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authorChristian Foellmann <foellmann@foe-services.de>2014-04-05 17:35:38 +0400
committerChristian Foellmann <foellmann@foe-services.de>2014-04-05 17:35:38 +0400
commit9eb27ef6ebc763ddc6f6278462b8ffeed6de0e36 (patch)
treed3b4a1c7ae68cafb05b9d60040c9c22d457cee62 /libraries/gis
parentd472216554769ba596795f23a70c1809fa8897a3 (diff)
INIT phpmyadmin 4.1.12 multilanguage
Diffstat (limited to 'libraries/gis')
-rw-r--r--libraries/gis/pma_gis_factory.php63
-rw-r--r--libraries/gis/pma_gis_geometry.php361
-rw-r--r--libraries/gis/pma_gis_geometrycollection.php336
-rw-r--r--libraries/gis/pma_gis_linestring.php298
-rw-r--r--libraries/gis/pma_gis_multilinestring.php370
-rw-r--r--libraries/gis/pma_gis_multipoint.php343
-rw-r--r--libraries/gis/pma_gis_multipolygon.php527
-rw-r--r--libraries/gis/pma_gis_point.php294
-rw-r--r--libraries/gis/pma_gis_polygon.php549
-rw-r--r--libraries/gis/pma_gis_visualization.php503
10 files changed, 3644 insertions, 0 deletions
diff --git a/libraries/gis/pma_gis_factory.php b/libraries/gis/pma_gis_factory.php
new file mode 100644
index 0000000000..a8f8b3777f
--- /dev/null
+++ b/libraries/gis/pma_gis_factory.php
@@ -0,0 +1,63 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Contains the factory class that handles the creation of geometric objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+/**
+ * Factory class that handles the creation of geometric objects.
+ *
+ * @package PhpMyAdmin-GIS
+ */
+class PMA_GIS_Factory
+{
+ /**
+ * Returns the singleton instance of geometric class of the given type.
+ *
+ * @param string $type type of the geometric object
+ *
+ * @return PMA_GIS_Geometry the singleton instance of geometric class
+ * of the given type
+ *
+ * @access public
+ * @static
+ */
+ public static function factory($type)
+ {
+ include_once './libraries/gis/pma_gis_geometry.php';
+
+ $type_lower = strtolower($type);
+ if (! file_exists('./libraries/gis/pma_gis_' . $type_lower . '.php')) {
+ return false;
+ }
+ if (include_once './libraries/gis/pma_gis_' . $type_lower . '.php') {
+ switch(strtoupper($type)) {
+ case 'MULTIPOLYGON' :
+ return PMA_GIS_Multipolygon::singleton();
+ case 'POLYGON' :
+ return PMA_GIS_Polygon::singleton();
+ case 'MULTIPOINT' :
+ return PMA_GIS_Multipoint::singleton();
+ case 'POINT' :
+ return PMA_GIS_Point::singleton();
+ case 'MULTILINESTRING' :
+ return PMA_GIS_Multilinestring::singleton();
+ case 'LINESTRING' :
+ return PMA_GIS_Linestring::singleton();
+ case 'GEOMETRYCOLLECTION' :
+ return PMA_GIS_Geometrycollection::singleton();
+ default :
+ return false;
+ }
+ } else {
+ return false;
+ }
+ }
+}
+?>
diff --git a/libraries/gis/pma_gis_geometry.php b/libraries/gis/pma_gis_geometry.php
new file mode 100644
index 0000000000..b457db53cd
--- /dev/null
+++ b/libraries/gis/pma_gis_geometry.php
@@ -0,0 +1,361 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Base class for all GIS data type classes
+ *
+ * @package PhpMyAdmin-GIS
+ */
+
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+/**
+ * Base class for all GIS data type classes.
+ *
+ * @package PhpMyAdmin-GIS
+ */
+abstract class PMA_GIS_Geometry
+{
+ /**
+ * Prepares and returns the code related to a row in the GIS dataset as SVG.
+ *
+ * @param string $spatial GIS data object
+ * @param string $label label for the GIS data object
+ * @param string $color color for the GIS data object
+ * @param array $scale_data data related to scaling
+ *
+ * @return string the code related to a row in the GIS dataset
+ * @access public
+ */
+ public abstract function prepareRowAsSvg($spatial, $label, $color, $scale_data);
+
+ /**
+ * Adds to the PNG image object, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS data object
+ * @param string $label label for the GIS data object
+ * @param string $color color for the GIS data object
+ * @param array $scale_data array containing data related to scaling
+ * @param object $image image object
+ *
+ * @return object the modified image object
+ * @access public
+ */
+ public abstract function prepareRowAsPng($spatial, $label, $color,
+ $scale_data, $image
+ );
+
+ /**
+ * Adds to the TCPDF instance, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS data object
+ * @param string $label label for the GIS data object
+ * @param string $color color for the GIS data object
+ * @param array $scale_data array containing data related to scaling
+ * @param TCPDF $pdf TCPDF instance
+ *
+ * @return TCPDF the modified TCPDF instance
+ * @access public
+ */
+ public abstract function prepareRowAsPdf($spatial, $label, $color,
+ $scale_data, $pdf
+ );
+
+ /**
+ * Prepares the JavaScript related to a row in the GIS dataset
+ * to visualize it with OpenLayers.
+ *
+ * @param string $spatial GIS data object
+ * @param int $srid spatial reference ID
+ * @param string $label label for the GIS data object
+ * @param string $color color for the GIS data object
+ * @param array $scale_data array containing data related to scaling
+ *
+ * @return string the JavaScript related to a row in the GIS dataset
+ * @access public
+ */
+ public abstract function prepareRowAsOl($spatial, $srid, $label,
+ $color, $scale_data
+ );
+
+ /**
+ * Scales each row.
+ *
+ * @param string $spatial spatial data of a row
+ *
+ * @return array array containing the min, max values for x and y cordinates
+ * @access public
+ */
+ public abstract function scaleRow($spatial);
+
+ /**
+ * Generates the WKT with the set of parameters passed by the GIS editor.
+ *
+ * @param array $gis_data GIS data
+ * @param int $index index into the parameter object
+ * @param string $empty value for empty points
+ *
+ * @return string WKT with the set of parameters passed by the GIS editor
+ * @access public
+ */
+ public abstract function generateWkt($gis_data, $index, $empty = '');
+
+ /**
+ * Returns OpenLayers.Bounds object that correspond to the bounds of GIS data.
+ *
+ * @param string $srid spatial reference ID
+ * @param array $scale_data data related to scaling
+ *
+ * @return string OpenLayers.Bounds object that
+ * correspond to the bounds of GIS data
+ * @access protected
+ */
+ protected function getBoundsForOl($srid, $scale_data)
+ {
+ return 'bound = new OpenLayers.Bounds(); '
+ . 'bound.extend(new OpenLayers.LonLat('
+ . $scale_data['minX'] . ', ' . $scale_data['minY']
+ . ').transform(new OpenLayers.Projection("EPSG:'
+ . $srid . '"), map.getProjectionObject())); '
+ . 'bound.extend(new OpenLayers.LonLat('
+ . $scale_data['maxX'] . ', ' . $scale_data['maxY']
+ . ').transform(new OpenLayers.Projection("EPSG:'
+ . $srid . '"), map.getProjectionObject()));';
+ }
+
+ /**
+ * Updates the min, max values with the given point set.
+ *
+ * @param string $point_set point set
+ * @param array $min_max existing min, max values
+ *
+ * @return array the updated min, max values
+ * @access protected
+ */
+ protected function setMinMax($point_set, $min_max)
+ {
+ // Seperate each point
+ $points = explode(",", $point_set);
+
+ foreach ($points as $point) {
+ // Extract cordinates of the point
+ $cordinates = explode(" ", $point);
+
+ $x = (float) $cordinates[0];
+ if (! isset($min_max['maxX']) || $x > $min_max['maxX']) {
+ $min_max['maxX'] = $x;
+ }
+ if (! isset($min_max['minX']) || $x < $min_max['minX']) {
+ $min_max['minX'] = $x;
+ }
+ $y = (float) $cordinates[1];
+ if (! isset($min_max['maxY']) || $y > $min_max['maxY']) {
+ $min_max['maxY'] = $y;
+ }
+ if (! isset($min_max['minY']) || $y < $min_max['minY']) {
+ $min_max['minY'] = $y;
+ }
+ }
+ return $min_max;
+ }
+
+ /**
+ * Generates parameters for the GIS data editor from the value of the GIS column.
+ * This method performs common work.
+ * More specific work is performed by each of the geom classes.
+ *
+ * @param string $value value of the GIS column
+ *
+ * @return array parameters for the GIS editor from the value of the GIS column
+ * @access protected
+ */
+ protected function generateParams($value)
+ {
+ $geom_types = '(POINT|MULTIPOINT|LINESTRING|MULTILINESTRING'
+ . '|POLYGON|MULTIPOLYGON|GEOMETRYCOLLECTION)';
+ $srid = 0;
+ $wkt = '';
+ if (preg_match("/^'" . $geom_types . "\(.*\)',[0-9]*$/i", $value)) {
+ $last_comma = strripos($value, ",");
+ $srid = trim(substr($value, $last_comma + 1));
+ $wkt = trim(substr($value, 1, $last_comma - 2));
+ } elseif (preg_match("/^" . $geom_types . "\(.*\)$/i", $value)) {
+ $wkt = $value;
+ }
+ return array('srid' => $srid, 'wkt' => $wkt);
+ }
+
+ /**
+ * Extracts points, scales and returns them as an array.
+ *
+ * @param string $point_set string of comma sperated points
+ * @param array $scale_data data related to scaling
+ * @param boolean $linear if true, as a 1D array, else as a 2D array
+ *
+ * @return array scaled points
+ * @access protected
+ */
+ protected function extractPoints($point_set, $scale_data, $linear = false)
+ {
+ $points_arr = array();
+
+ // Seperate each point
+ $points = explode(",", $point_set);
+
+ foreach ($points as $point) {
+ // Extract cordinates of the point
+ $cordinates = explode(" ", $point);
+
+ if (isset($cordinates[0]) && trim($cordinates[0]) != ''
+ && isset($cordinates[1]) && trim($cordinates[1]) != ''
+ ) {
+ if ($scale_data != null) {
+ $x = ($cordinates[0] - $scale_data['x']) * $scale_data['scale'];
+ $y = $scale_data['height']
+ - ($cordinates[1] - $scale_data['y']) * $scale_data['scale'];
+ } else {
+ $x = trim($cordinates[0]);
+ $y = trim($cordinates[1]);
+ }
+ } else {
+ $x = '';
+ $y = '';
+ }
+
+
+ if (! $linear) {
+ $points_arr[] = array($x, $y);
+ } else {
+ $points_arr[] = $x;
+ $points_arr[] = $y;
+ }
+ }
+
+ return $points_arr;
+ }
+
+ /**
+ * Generates JavaScript for adding an array of polygons to OpenLayers.
+ *
+ * @param array $polygons x and y coordinates for each polygon
+ * @param string $srid spatial reference id
+ *
+ * @return string JavaScript for adding an array of polygons to OpenLayers
+ * @access protected
+ */
+ protected function getPolygonArrayForOpenLayers($polygons, $srid)
+ {
+ $ol_array = 'new Array(';
+ foreach ($polygons as $polygon) {
+ $rings = explode("),(", $polygon);
+ $ol_array .= $this->getPolygonForOpenLayers($rings, $srid) . ', ';
+ }
+ $ol_array = substr($ol_array, 0, strlen($ol_array) - 2);
+ $ol_array .= ')';
+
+ return $ol_array;
+ }
+
+ /**
+ * Generates JavaScript for adding points for OpenLayers polygon.
+ *
+ * @param array $polygon x and y coordinates for each line
+ * @param string $srid spatial reference id
+ *
+ * @return string JavaScript for adding points for OpenLayers polygon
+ * @access protected
+ */
+ protected function getPolygonForOpenLayers($polygon, $srid)
+ {
+ return 'new OpenLayers.Geometry.Polygon('
+ . $this->getLineArrayForOpenLayers($polygon, $srid, false)
+ . ')';
+ }
+
+ /**
+ * Generates JavaScript for adding an array of LineString
+ * or LineRing to OpenLayers.
+ *
+ * @param array $lines x and y coordinates for each line
+ * @param string $srid spatial reference id
+ * @param bool $is_line_string whether it's an array of LineString
+ *
+ * @return string JavaScript for adding an array of LineString
+ * or LineRing to OpenLayers
+ * @access protected
+ */
+ protected function getLineArrayForOpenLayers($lines, $srid,
+ $is_line_string = true
+ ) {
+ $ol_array = 'new Array(';
+ foreach ($lines as $line) {
+ $points_arr = $this->extractPoints($line, null);
+ $ol_array .= $this->getLineForOpenLayers(
+ $points_arr, $srid, $is_line_string
+ );
+ $ol_array .= ', ';
+ }
+ $ol_array = substr($ol_array, 0, strlen($ol_array) - 2);
+ $ol_array .= ')';
+
+ return $ol_array;
+ }
+
+ /**
+ * Generates JavaScript for adding a LineString or LineRing to OpenLayers.
+ *
+ * @param array $points_arr x and y coordinates for each point
+ * @param string $srid spatial reference id
+ * @param bool $is_line_string whether it's a LineString
+ *
+ * @return string JavaScript for adding a LineString or LineRing to OpenLayers
+ * @access protected
+ */
+ protected function getLineForOpenLayers($points_arr, $srid,
+ $is_line_string = true
+ ) {
+ return 'new OpenLayers.Geometry.'
+ . ($is_line_string ? 'LineString' : 'LinearRing') . '('
+ . $this->getPointsArrayForOpenLayers($points_arr, $srid)
+ . ')';
+ }
+
+ /**
+ * Generates JavaScript for adding an array of points to OpenLayers.
+ *
+ * @param array $points_arr x and y coordinates for each point
+ * @param string $srid spatial reference id
+ *
+ * @return string JavaScript for adding an array of points to OpenLayers
+ * @access protected
+ */
+ protected function getPointsArrayForOpenLayers($points_arr, $srid)
+ {
+ $ol_array = 'new Array(';
+ foreach ($points_arr as $point) {
+ $ol_array .= $this->getPointForOpenLayers($point, $srid) . ', ';
+ }
+ $ol_array = substr($ol_array, 0, strlen($ol_array) - 2);
+ $ol_array .= ')';
+
+ return $ol_array;
+ }
+
+ /**
+ * Generates JavaScript for adding a point to OpenLayers.
+ *
+ * @param array $point array containing the x and y coordinates of the point
+ * @param string $srid spatial reference id
+ *
+ * @return string JavaScript for adding points to OpenLayers
+ * @access protected
+ */
+ protected function getPointForOpenLayers($point, $srid)
+ {
+ return '(new OpenLayers.Geometry.Point(' . $point[0] . ',' . $point[1] . '))'
+ . '.transform(new OpenLayers.Projection("EPSG:'
+ . $srid . '"), map.getProjectionObject())';
+ }
+}
+?>
diff --git a/libraries/gis/pma_gis_geometrycollection.php b/libraries/gis/pma_gis_geometrycollection.php
new file mode 100644
index 0000000000..09b04ed404
--- /dev/null
+++ b/libraries/gis/pma_gis_geometrycollection.php
@@ -0,0 +1,336 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Handles actions related to GIS GEOMETRYCOLLECTION objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+/**
+ * Handles actions related to GIS GEOMETRYCOLLECTION objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+class PMA_GIS_Geometrycollection extends PMA_GIS_Geometry
+{
+ // Hold the singleton instance of the class
+ private static $_instance;
+
+ /**
+ * A private constructor; prevents direct creation of object.
+ *
+ * @access private
+ */
+ private function __construct()
+ {
+ }
+
+ /**
+ * Returns the singleton.
+ *
+ * @return PMA_GIS_Geometrycollection the singleton
+ * @access public
+ */
+ public static function singleton()
+ {
+ if (!isset(self::$_instance)) {
+ $class = __CLASS__;
+ self::$_instance = new $class;
+ }
+
+ return self::$_instance;
+ }
+
+ /**
+ * Scales each row.
+ *
+ * @param string $spatial spatial data of a row
+ *
+ * @return array array containing the min, max values for x and y cordinates
+ * @access public
+ */
+ public function scaleRow($spatial)
+ {
+ $min_max = array();
+
+ // Trim to remove leading 'GEOMETRYCOLLECTION(' and trailing ')'
+ $goem_col = substr($spatial, 19, (strlen($spatial) - 20));
+
+ // Split the geometry collection object to get its constituents.
+ $sub_parts = $this->_explodeGeomCol($goem_col);
+
+ foreach ($sub_parts as $sub_part) {
+ $type_pos = stripos($sub_part, '(');
+ $type = substr($sub_part, 0, $type_pos);
+
+ $gis_obj = PMA_GIS_Factory::factory($type);
+ if (! $gis_obj) {
+ continue;
+ }
+ $scale_data = $gis_obj->scaleRow($sub_part);
+
+ // Upadate minimum/maximum values for x and y cordinates.
+ $c_maxX = (float) $scale_data['maxX'];
+ if (! isset($min_max['maxX']) || $c_maxX > $min_max['maxX']) {
+ $min_max['maxX'] = $c_maxX;
+ }
+
+ $c_minX = (float) $scale_data['minX'];
+ if (! isset($min_max['minX']) || $c_minX < $min_max['minX']) {
+ $min_max['minX'] = $c_minX;
+ }
+
+ $c_maxY = (float) $scale_data['maxY'];
+ if (! isset($min_max['maxY']) || $c_maxY > $min_max['maxY']) {
+ $min_max['maxY'] = $c_maxY;
+ }
+
+ $c_minY = (float) $scale_data['minY'];
+ if (! isset($min_max['minY']) || $c_minY < $min_max['minY']) {
+ $min_max['minY'] = $c_minY;
+ }
+ }
+ return $min_max;
+ }
+
+ /**
+ * Adds to the PNG image object, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS GEOMETRYCOLLECTION object
+ * @param string $label label for the GIS GEOMETRYCOLLECTION object
+ * @param string $color color for the GIS GEOMETRYCOLLECTION object
+ * @param array $scale_data array containing data related to scaling
+ * @param object $image image object
+ *
+ * @return resource the modified image object
+ * @access public
+ */
+ public function prepareRowAsPng($spatial, $label, $color, $scale_data, $image)
+ {
+ // Trim to remove leading 'GEOMETRYCOLLECTION(' and trailing ')'
+ $goem_col = substr($spatial, 19, (strlen($spatial) - 20));
+ // Split the geometry collection object to get its constituents.
+ $sub_parts = $this->_explodeGeomCol($goem_col);
+
+ foreach ($sub_parts as $sub_part) {
+ $type_pos = stripos($sub_part, '(');
+ $type = substr($sub_part, 0, $type_pos);
+
+ $gis_obj = PMA_GIS_Factory::factory($type);
+ if (! $gis_obj) {
+ continue;
+ }
+ $image = $gis_obj->prepareRowAsPng(
+ $sub_part, $label, $color, $scale_data, $image
+ );
+ }
+ return $image;
+ }
+
+ /**
+ * Adds to the TCPDF instance, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS GEOMETRYCOLLECTION object
+ * @param string $label label for the GIS GEOMETRYCOLLECTION object
+ * @param string $color color for the GIS GEOMETRYCOLLECTION object
+ * @param array $scale_data array containing data related to scaling
+ * @param TCPDF $pdf TCPDF instance
+ *
+ * @return TCPDF the modified TCPDF instance
+ * @access pubilc
+ */
+ public function prepareRowAsPdf($spatial, $label, $color, $scale_data, $pdf)
+ {
+ // Trim to remove leading 'GEOMETRYCOLLECTION(' and trailing ')'
+ $goem_col = substr($spatial, 19, (strlen($spatial) - 20));
+ // Split the geometry collection object to get its constituents.
+ $sub_parts = $this->_explodeGeomCol($goem_col);
+
+ foreach ($sub_parts as $sub_part) {
+ $type_pos = stripos($sub_part, '(');
+ $type = substr($sub_part, 0, $type_pos);
+
+ $gis_obj = PMA_GIS_Factory::factory($type);
+ if (! $gis_obj) {
+ continue;
+ }
+ $pdf = $gis_obj->prepareRowAsPdf(
+ $sub_part, $label, $color, $scale_data, $pdf
+ );
+ }
+ return $pdf;
+ }
+
+ /**
+ * Prepares and returns the code related to a row in the GIS dataset as SVG.
+ *
+ * @param string $spatial GIS GEOMETRYCOLLECTION object
+ * @param string $label label for the GIS GEOMETRYCOLLECTION object
+ * @param string $color color for the GIS GEOMETRYCOLLECTION object
+ * @param array $scale_data array containing data related to scaling
+ *
+ * @return string the code related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsSvg($spatial, $label, $color, $scale_data)
+ {
+ $row = '';
+
+ // Trim to remove leading 'GEOMETRYCOLLECTION(' and trailing ')'
+ $goem_col = substr($spatial, 19, (strlen($spatial) - 20));
+ // Split the geometry collection object to get its constituents.
+ $sub_parts = $this->_explodeGeomCol($goem_col);
+
+ foreach ($sub_parts as $sub_part) {
+ $type_pos = stripos($sub_part, '(');
+ $type = substr($sub_part, 0, $type_pos);
+
+ $gis_obj = PMA_GIS_Factory::factory($type);
+ if (! $gis_obj) {
+ continue;
+ }
+ $row .= $gis_obj->prepareRowAsSvg(
+ $sub_part, $label, $color, $scale_data
+ );
+ }
+ return $row;
+ }
+
+ /**
+ * Prepares JavaScript related to a row in the GIS dataset
+ * to visualize it with OpenLayers.
+ *
+ * @param string $spatial GIS GEOMETRYCOLLECTION object
+ * @param int $srid spatial reference ID
+ * @param string $label label for the GIS GEOMETRYCOLLECTION object
+ * @param string $color color for the GIS GEOMETRYCOLLECTION object
+ * @param array $scale_data array containing data related to scaling
+ *
+ * @return string JavaScript related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsOl($spatial, $srid, $label, $color, $scale_data)
+ {
+ $row = '';
+
+ // Trim to remove leading 'GEOMETRYCOLLECTION(' and trailing ')'
+ $goem_col = substr($spatial, 19, (strlen($spatial) - 20));
+ // Split the geometry collection object to get its constituents.
+ $sub_parts = $this->_explodeGeomCol($goem_col);
+
+ foreach ($sub_parts as $sub_part) {
+ $type_pos = stripos($sub_part, '(');
+ $type = substr($sub_part, 0, $type_pos);
+
+ $gis_obj = PMA_GIS_Factory::factory($type);
+ if (! $gis_obj) {
+ continue;
+ }
+ $row .= $gis_obj->prepareRowAsOl(
+ $sub_part, $srid, $label, $color, $scale_data
+ );
+ }
+ return $row;
+ }
+
+ /**
+ * Splits the GEOMETRYCOLLECTION object and get its constituents.
+ *
+ * @param string $goem_col geometry collection string
+ *
+ * @return array the constituents of the geometry collection object
+ * @access private
+ */
+ private function _explodeGeomCol($goem_col)
+ {
+ $sub_parts = array();
+ $br_count = 0;
+ $start = 0;
+ $count = 0;
+ foreach (str_split($goem_col) as $char) {
+ if ($char == '(') {
+ $br_count++;
+ } elseif ($char == ')') {
+ $br_count--;
+ if ($br_count == 0) {
+ $sub_parts[] = substr($goem_col, $start, ($count + 1 - $start));
+ $start = $count + 2;
+ }
+ }
+ $count++;
+ }
+ return $sub_parts;
+ }
+
+ /**
+ * Generates the WKT with the set of parameters passed by the GIS editor.
+ *
+ * @param array $gis_data GIS data
+ * @param int $index index into the parameter object
+ * @param string $empty value for empty points
+ *
+ * @return string WKT with the set of parameters passed by the GIS editor
+ * @access public
+ */
+ public function generateWkt($gis_data, $index, $empty = '')
+ {
+ $geom_count = (isset($gis_data['GEOMETRYCOLLECTION']['geom_count']))
+ ? $gis_data['GEOMETRYCOLLECTION']['geom_count'] : 1;
+ $wkt = 'GEOMETRYCOLLECTION(';
+ for ($i = 0; $i < $geom_count; $i++) {
+ if (isset($gis_data[$i]['gis_type'])) {
+ $type = $gis_data[$i]['gis_type'];
+ $gis_obj = PMA_GIS_Factory::factory($type);
+ if (! $gis_obj) {
+ continue;
+ }
+ $wkt .= $gis_obj->generateWkt($gis_data, $i, $empty) . ',';
+ }
+ }
+ if (isset($gis_data[0]['gis_type'])) {
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ }
+ $wkt .= ')';
+ return $wkt;
+ }
+
+ /**
+ * Generates parameters for the GIS data editor from the value of the GIS column.
+ *
+ * @param string $value of the GIS column
+ *
+ * @return array parameters for the GIS editor from the value of the GIS column
+ * @access public
+ */
+ public function generateParams($value)
+ {
+ $params = array();
+ $data = PMA_GIS_Geometry::generateParams($value);
+ $params['srid'] = $data['srid'];
+ $wkt = $data['wkt'];
+
+ // Trim to remove leading 'GEOMETRYCOLLECTION(' and trailing ')'
+ $goem_col = substr($wkt, 19, (strlen($wkt) - 20));
+ // Split the geometry collection object to get its constituents.
+ $sub_parts = $this->_explodeGeomCol($goem_col);
+ $params['GEOMETRYCOLLECTION']['geom_count'] = count($sub_parts);
+
+ $i = 0;
+ foreach ($sub_parts as $sub_part) {
+ $type_pos = stripos($sub_part, '(');
+ $type = substr($sub_part, 0, $type_pos);
+ $gis_obj = PMA_GIS_Factory::factory($type);
+ if (! $gis_obj) {
+ continue;
+ }
+ $params = array_merge($params, $gis_obj->generateParams($sub_part, $i));
+ $i++;
+ }
+ return $params;
+ }
+}
+?>
diff --git a/libraries/gis/pma_gis_linestring.php b/libraries/gis/pma_gis_linestring.php
new file mode 100644
index 0000000000..306e88bca4
--- /dev/null
+++ b/libraries/gis/pma_gis_linestring.php
@@ -0,0 +1,298 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Handles actions related to GIS LINESTRING objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+/**
+ * Handles actions related to GIS LINESTRING objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+class PMA_GIS_Linestring extends PMA_GIS_Geometry
+{
+ // Hold the singleton instance of the class
+ private static $_instance;
+
+ /**
+ * A private constructor; prevents direct creation of object.
+ *
+ * @access private
+ */
+ private function __construct()
+ {
+ }
+
+ /**
+ * Returns the singleton.
+ *
+ * @return PMA_GIS_Linestring the singleton
+ * @access public
+ */
+ public static function singleton()
+ {
+ if (!isset(self::$_instance)) {
+ $class = __CLASS__;
+ self::$_instance = new $class;
+ }
+
+ return self::$_instance;
+ }
+
+ /**
+ * Scales each row.
+ *
+ * @param string $spatial spatial data of a row
+ *
+ * @return array an array containing the min, max values for x and y cordinates
+ * @access public
+ */
+ public function scaleRow($spatial)
+ {
+ // Trim to remove leading 'LINESTRING(' and trailing ')'
+ $linesrting = substr($spatial, 11, (strlen($spatial) - 12));
+ return $this->setMinMax($linesrting, array());
+ }
+
+ /**
+ * Adds to the PNG image object, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS LINESTRING object
+ * @param string $label Label for the GIS LINESTRING object
+ * @param string $line_color Color for the GIS LINESTRING object
+ * @param array $scale_data Array containing data related to scaling
+ * @param object $image Image object
+ *
+ * @return resource the modified image object
+ * @access public
+ */
+ public function prepareRowAsPng($spatial, $label, $line_color,
+ $scale_data, $image
+ ) {
+ // allocate colors
+ $black = imagecolorallocate($image, 0, 0, 0);
+ $red = hexdec(substr($line_color, 1, 2));
+ $green = hexdec(substr($line_color, 3, 2));
+ $blue = hexdec(substr($line_color, 4, 2));
+ $color = imagecolorallocate($image, $red, $green, $blue);
+
+ // Trim to remove leading 'LINESTRING(' and trailing ')'
+ $linesrting = substr($spatial, 11, (strlen($spatial) - 12));
+ $points_arr = $this->extractPoints($linesrting, $scale_data);
+
+ foreach ($points_arr as $point) {
+ if (! isset($temp_point)) {
+ $temp_point = $point;
+ } else {
+ // draw line section
+ imageline(
+ $image, $temp_point[0], $temp_point[1],
+ $point[0], $point[1], $color
+ );
+ $temp_point = $point;
+ }
+ }
+ // print label if applicable
+ if (isset($label) && trim($label) != '') {
+ imagestring(
+ $image, 1, $points_arr[1][0],
+ $points_arr[1][1], trim($label), $black
+ );
+ }
+ return $image;
+ }
+
+ /**
+ * Adds to the TCPDF instance, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS LINESTRING object
+ * @param string $label Label for the GIS LINESTRING object
+ * @param string $line_color Color for the GIS LINESTRING object
+ * @param array $scale_data Array containing data related to scaling
+ * @param TCPDF $pdf TCPDF instance
+ *
+ * @return TCPDF the modified TCPDF instance
+ * @access public
+ */
+ public function prepareRowAsPdf($spatial, $label, $line_color, $scale_data, $pdf)
+ {
+ // allocate colors
+ $red = hexdec(substr($line_color, 1, 2));
+ $green = hexdec(substr($line_color, 3, 2));
+ $blue = hexdec(substr($line_color, 4, 2));
+ $line = array('width' => 1.5, 'color' => array($red, $green, $blue));
+
+ // Trim to remove leading 'LINESTRING(' and trailing ')'
+ $linesrting = substr($spatial, 11, (strlen($spatial) - 12));
+ $points_arr = $this->extractPoints($linesrting, $scale_data);
+
+ foreach ($points_arr as $point) {
+ if (! isset($temp_point)) {
+ $temp_point = $point;
+ } else {
+ // draw line section
+ $pdf->Line(
+ $temp_point[0], $temp_point[1],
+ $point[0], $point[1], $line
+ );
+ $temp_point = $point;
+ }
+ }
+ // print label
+ if (isset($label) && trim($label) != '') {
+ $pdf->SetXY($points_arr[1][0], $points_arr[1][1]);
+ $pdf->SetFontSize(5);
+ $pdf->Cell(0, 0, trim($label));
+ }
+ return $pdf;
+ }
+
+ /**
+ * Prepares and returns the code related to a row in the GIS dataset as SVG.
+ *
+ * @param string $spatial GIS LINESTRING object
+ * @param string $label Label for the GIS LINESTRING object
+ * @param string $line_color Color for the GIS LINESTRING object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string the code related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsSvg($spatial, $label, $line_color, $scale_data)
+ {
+ $line_options = array(
+ 'name' => $label,
+ 'id' => $label . rand(),
+ 'class' => 'linestring vector',
+ 'fill' => 'none',
+ 'stroke' => $line_color,
+ 'stroke-width'=> 2,
+ );
+
+ // Trim to remove leading 'LINESTRING(' and trailing ')'
+ $linesrting = substr($spatial, 11, (strlen($spatial) - 12));
+ $points_arr = $this->extractPoints($linesrting, $scale_data);
+
+ $row = '<polyline points="';
+ foreach ($points_arr as $point) {
+ $row .= $point[0] . ',' . $point[1] . ' ';
+ }
+ $row .= '"';
+ foreach ($line_options as $option => $val) {
+ $row .= ' ' . $option . '="' . trim($val) . '"';
+ }
+ $row .= '/>';
+
+ return $row;
+ }
+
+ /**
+ * Prepares JavaScript related to a row in the GIS dataset
+ * to visualize it with OpenLayers.
+ *
+ * @param string $spatial GIS LINESTRING object
+ * @param int $srid Spatial reference ID
+ * @param string $label Label for the GIS LINESTRING object
+ * @param string $line_color Color for the GIS LINESTRING object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string JavaScript related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsOl($spatial, $srid, $label, $line_color, $scale_data)
+ {
+ $style_options = array(
+ 'strokeColor' => $line_color,
+ 'strokeWidth' => 2,
+ 'label' => $label,
+ 'fontSize' => 10,
+ );
+ if ($srid == 0) {
+ $srid = 4326;
+ }
+ $result = $this->getBoundsForOl($srid, $scale_data);
+
+ // Trim to remove leading 'LINESTRING(' and trailing ')'
+ $linesrting = substr($spatial, 11, (strlen($spatial) - 12));
+ $points_arr = $this->extractPoints($linesrting, null);
+
+ $result .= 'vectorLayer.addFeatures(new OpenLayers.Feature.Vector('
+ . $this->getLineForOpenLayers($points_arr, $srid)
+ . ', null, ' . json_encode($style_options) . '));';
+ return $result;
+ }
+
+ /**
+ * Generate the WKT with the set of parameters passed by the GIS editor.
+ *
+ * @param array $gis_data GIS data
+ * @param int $index Index into the parameter object
+ * @param string $empty Value for empty points
+ *
+ * @return string WKT with the set of parameters passed by the GIS editor
+ * @access public
+ */
+ public function generateWkt($gis_data, $index, $empty = '')
+ {
+ $no_of_points = isset($gis_data[$index]['LINESTRING']['no_of_points'])
+ ? $gis_data[$index]['LINESTRING']['no_of_points'] : 2;
+ if ($no_of_points < 2) {
+ $no_of_points = 2;
+ }
+ $wkt = 'LINESTRING(';
+ for ($i = 0; $i < $no_of_points; $i++) {
+ $wkt .= ((isset($gis_data[$index]['LINESTRING'][$i]['x'])
+ && trim($gis_data[$index]['LINESTRING'][$i]['x']) != '')
+ ? $gis_data[$index]['LINESTRING'][$i]['x'] : $empty)
+ . ' ' . ((isset($gis_data[$index]['LINESTRING'][$i]['y'])
+ && trim($gis_data[$index]['LINESTRING'][$i]['y']) != '')
+ ? $gis_data[$index]['LINESTRING'][$i]['y'] : $empty) .',';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= ')';
+ return $wkt;
+ }
+
+ /**
+ * Generate parameters for the GIS data editor from the value of the GIS column.
+ *
+ * @param string $value of the GIS column
+ * @param int $index of the geometry
+ *
+ * @return array params for the GIS data editor from the value of the GIS column
+ * @access public
+ */
+ public function generateParams($value, $index = -1)
+ {
+ if ($index == -1) {
+ $index = 0;
+ $params = array();
+ $data = PMA_GIS_Geometry::generateParams($value);
+ $params['srid'] = $data['srid'];
+ $wkt = $data['wkt'];
+ } else {
+ $params[$index]['gis_type'] = 'LINESTRING';
+ $wkt = $value;
+ }
+
+ // Trim to remove leading 'LINESTRING(' and trailing ')'
+ $linestring = substr($wkt, 11, (strlen($wkt) - 12));
+ $points_arr = $this->extractPoints($linestring, null);
+
+ $no_of_points = count($points_arr);
+ $params[$index]['LINESTRING']['no_of_points'] = $no_of_points;
+ for ($i = 0; $i < $no_of_points; $i++) {
+ $params[$index]['LINESTRING'][$i]['x'] = $points_arr[$i][0];
+ $params[$index]['LINESTRING'][$i]['y'] = $points_arr[$i][1];
+ }
+
+ return $params;
+ }
+}
+?>
diff --git a/libraries/gis/pma_gis_multilinestring.php b/libraries/gis/pma_gis_multilinestring.php
new file mode 100644
index 0000000000..f6e85639c2
--- /dev/null
+++ b/libraries/gis/pma_gis_multilinestring.php
@@ -0,0 +1,370 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Handles actions related to GIS MULTILINESTRING objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+/**
+ * Handles actions related to GIS MULTILINESTRING objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+class PMA_GIS_Multilinestring extends PMA_GIS_Geometry
+{
+ // Hold the singleton instance of the class
+ private static $_instance;
+
+ /**
+ * A private constructor; prevents direct creation of object.
+ *
+ * @access private
+ */
+ private function __construct()
+ {
+ }
+
+ /**
+ * Returns the singleton.
+ *
+ * @return PMA_GIS_Multilinestring the singleton
+ * @access public
+ */
+ public static function singleton()
+ {
+ if (!isset(self::$_instance)) {
+ $class = __CLASS__;
+ self::$_instance = new $class;
+ }
+
+ return self::$_instance;
+ }
+
+ /**
+ * Scales each row.
+ *
+ * @param string $spatial spatial data of a row
+ *
+ * @return array an array containing the min, max values for x and y cordinates
+ * @access public
+ */
+ public function scaleRow($spatial)
+ {
+ $min_max = array();
+
+ // Trim to remove leading 'MULTILINESTRING((' and trailing '))'
+ $multilinestirng = substr($spatial, 17, (strlen($spatial) - 19));
+ // Seperate each linestring
+ $linestirngs = explode("),(", $multilinestirng);
+
+ foreach ($linestirngs as $linestring) {
+ $min_max = $this->setMinMax($linestring, $min_max);
+ }
+
+ return $min_max;
+ }
+
+ /**
+ * Adds to the PNG image object, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS MULTILINESTRING object
+ * @param string $label Label for the GIS MULTILINESTRING object
+ * @param string $line_color Color for the GIS MULTILINESTRING object
+ * @param array $scale_data Array containing data related to scaling
+ * @param object $image Image object
+ *
+ * @return object the modified image object
+ * @access public
+ */
+ public function prepareRowAsPng($spatial, $label, $line_color,
+ $scale_data, $image
+ ) {
+ // allocate colors
+ $black = imagecolorallocate($image, 0, 0, 0);
+ $red = hexdec(substr($line_color, 1, 2));
+ $green = hexdec(substr($line_color, 3, 2));
+ $blue = hexdec(substr($line_color, 4, 2));
+ $color = imagecolorallocate($image, $red, $green, $blue);
+
+ // Trim to remove leading 'MULTILINESTRING((' and trailing '))'
+ $multilinestirng = substr($spatial, 17, (strlen($spatial) - 19));
+ // Seperate each linestring
+ $linestirngs = explode("),(", $multilinestirng);
+
+ $first_line = true;
+ foreach ($linestirngs as $linestring) {
+ $points_arr = $this->extractPoints($linestring, $scale_data);
+ foreach ($points_arr as $point) {
+ if (! isset($temp_point)) {
+ $temp_point = $point;
+ } else {
+ // draw line section
+ imageline(
+ $image, $temp_point[0], $temp_point[1],
+ $point[0], $point[1], $color
+ );
+ $temp_point = $point;
+ }
+ }
+ unset($temp_point);
+ // print label if applicable
+ if (isset($label) && trim($label) != '' && $first_line) {
+ imagestring(
+ $image, 1, $points_arr[1][0],
+ $points_arr[1][1], trim($label), $black
+ );
+ }
+ $first_line = false;
+ }
+ return $image;
+ }
+
+ /**
+ * Adds to the TCPDF instance, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS MULTILINESTRING object
+ * @param string $label Label for the GIS MULTILINESTRING object
+ * @param string $line_color Color for the GIS MULTILINESTRING object
+ * @param array $scale_data Array containing data related to scaling
+ * @param TCPDF $pdf TCPDF instance
+ *
+ * @return TCPDF the modified TCPDF instance
+ * @access public
+ */
+ public function prepareRowAsPdf($spatial, $label, $line_color, $scale_data, $pdf)
+ {
+ // allocate colors
+ $red = hexdec(substr($line_color, 1, 2));
+ $green = hexdec(substr($line_color, 3, 2));
+ $blue = hexdec(substr($line_color, 4, 2));
+ $line = array('width' => 1.5, 'color' => array($red, $green, $blue));
+
+ // Trim to remove leading 'MULTILINESTRING((' and trailing '))'
+ $multilinestirng = substr($spatial, 17, (strlen($spatial) - 19));
+ // Seperate each linestring
+ $linestirngs = explode("),(", $multilinestirng);
+
+ $first_line = true;
+ foreach ($linestirngs as $linestring) {
+ $points_arr = $this->extractPoints($linestring, $scale_data);
+ foreach ($points_arr as $point) {
+ if (! isset($temp_point)) {
+ $temp_point = $point;
+ } else {
+ // draw line section
+ $pdf->Line(
+ $temp_point[0], $temp_point[1], $point[0], $point[1], $line
+ );
+ $temp_point = $point;
+ }
+ }
+ unset($temp_point);
+ // print label
+ if (isset($label) && trim($label) != '' && $first_line) {
+ $pdf->SetXY($points_arr[1][0], $points_arr[1][1]);
+ $pdf->SetFontSize(5);
+ $pdf->Cell(0, 0, trim($label));
+ }
+ $first_line = false;
+ }
+ return $pdf;
+ }
+
+ /**
+ * Prepares and returns the code related to a row in the GIS dataset as SVG.
+ *
+ * @param string $spatial GIS MULTILINESTRING object
+ * @param string $label Label for the GIS MULTILINESTRING object
+ * @param string $line_color Color for the GIS MULTILINESTRING object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string the code related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsSvg($spatial, $label, $line_color, $scale_data)
+ {
+ $line_options = array(
+ 'name' => $label,
+ 'class' => 'linestring vector',
+ 'fill' => 'none',
+ 'stroke' => $line_color,
+ 'stroke-width'=> 2,
+ );
+
+ // Trim to remove leading 'MULTILINESTRING((' and trailing '))'
+ $multilinestirng = substr($spatial, 17, (strlen($spatial) - 19));
+ // Seperate each linestring
+ $linestirngs = explode("),(", $multilinestirng);
+
+ $row = '';
+ foreach ($linestirngs as $linestring) {
+ $points_arr = $this->extractPoints($linestring, $scale_data);
+
+ $row .= '<polyline points="';
+ foreach ($points_arr as $point) {
+ $row .= $point[0] . ',' . $point[1] . ' ';
+ }
+ $row .= '"';
+ $line_options['id'] = $label . rand();
+ foreach ($line_options as $option => $val) {
+ $row .= ' ' . $option . '="' . trim($val) . '"';
+ }
+ $row .= '/>';
+ }
+
+ return $row;
+ }
+
+ /**
+ * Prepares JavaScript related to a row in the GIS dataset
+ * to visualize it with OpenLayers.
+ *
+ * @param string $spatial GIS MULTILINESTRING object
+ * @param int $srid Spatial reference ID
+ * @param string $label Label for the GIS MULTILINESTRING object
+ * @param string $line_color Color for the GIS MULTILINESTRING object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string JavaScript related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsOl($spatial, $srid, $label, $line_color, $scale_data)
+ {
+ $style_options = array(
+ 'strokeColor' => $line_color,
+ 'strokeWidth' => 2,
+ 'label' => $label,
+ 'fontSize' => 10,
+ );
+ if ($srid == 0) {
+ $srid = 4326;
+ }
+ $row = $this->getBoundsForOl($srid, $scale_data);
+
+ // Trim to remove leading 'MULTILINESTRING((' and trailing '))'
+ $multilinestirng = substr($spatial, 17, (strlen($spatial) - 19));
+ // Seperate each linestring
+ $linestirngs = explode("),(", $multilinestirng);
+
+ $row .= 'vectorLayer.addFeatures(new OpenLayers.Feature.Vector('
+ . 'new OpenLayers.Geometry.MultiLineString('
+ . $this->getLineArrayForOpenLayers($linestirngs, $srid)
+ . '), null, ' . json_encode($style_options) . '));';
+ return $row;
+ }
+
+ /**
+ * Generate the WKT with the set of parameters passed by the GIS editor.
+ *
+ * @param array $gis_data GIS data
+ * @param int $index Index into the parameter object
+ * @param string $empty Value for empty points
+ *
+ * @return string WKT with the set of parameters passed by the GIS editor
+ * @access public
+ */
+ public function generateWkt($gis_data, $index, $empty = '')
+ {
+ $data_row = $gis_data[$index]['MULTILINESTRING'];
+
+ $no_of_lines = isset($data_row['no_of_lines'])
+ ? $data_row['no_of_lines'] : 1;
+ if ($no_of_lines < 1) {
+ $no_of_lines = 1;
+ }
+ $wkt = 'MULTILINESTRING(';
+ for ($i = 0; $i < $no_of_lines; $i++) {
+ $no_of_points = isset($data_row[$i]['no_of_points'])
+ ? $data_row[$i]['no_of_points'] : 2;
+ if ($no_of_points < 2) {
+ $no_of_points = 2;
+ }
+ $wkt .= '(';
+ for ($j = 0; $j < $no_of_points; $j++) {
+ $wkt .= ((isset($data_row[$i][$j]['x'])
+ && trim($data_row[$i][$j]['x']) != '')
+ ? $data_row[$i][$j]['x'] : $empty)
+ . ' ' . ((isset($data_row[$i][$j]['y'])
+ && trim($data_row[$i][$j]['y']) != '')
+ ? $data_row[$i][$j]['y'] : $empty) . ',';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= '),';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= ')';
+ return $wkt;
+ }
+
+ /**
+ * Generate the WKT for the data from ESRI shape files.
+ *
+ * @param array $row_data GIS data
+ *
+ * @return string the WKT for the data from ESRI shape files
+ * @access public
+ */
+ public function getShape($row_data)
+ {
+ $wkt = 'MULTILINESTRING(';
+ for ($i = 0; $i < $row_data['numparts']; $i++) {
+ $wkt .= '(';
+ foreach ($row_data['parts'][$i]['points'] as $point) {
+ $wkt .= $point['x'] . ' ' . $point['y'] . ',';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= '),';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= ')';
+ return $wkt;
+ }
+
+ /**
+ * Generate parameters for the GIS data editor from the value of the GIS column.
+ *
+ * @param string $value Value of the GIS column
+ * @param int $index Index of the geometry
+ *
+ * @return array params for the GIS data editor from the value of the GIS column
+ * @access public
+ */
+ public function generateParams($value, $index = -1)
+ {
+ if ($index == -1) {
+ $index = 0;
+ $params = array();
+ $data = PMA_GIS_Geometry::generateParams($value);
+ $params['srid'] = $data['srid'];
+ $wkt = $data['wkt'];
+ } else {
+ $params[$index]['gis_type'] = 'MULTILINESTRING';
+ $wkt = $value;
+ }
+
+ // Trim to remove leading 'MULTILINESTRING((' and trailing '))'
+ $multilinestirng = substr($wkt, 17, (strlen($wkt) - 19));
+ // Seperate each linestring
+ $linestirngs = explode("),(", $multilinestirng);
+ $params[$index]['MULTILINESTRING']['no_of_lines'] = count($linestirngs);
+
+ $j = 0;
+ foreach ($linestirngs as $linestring) {
+ $points_arr = $this->extractPoints($linestring, null);
+ $no_of_points = count($points_arr);
+ $params[$index]['MULTILINESTRING'][$j]['no_of_points'] = $no_of_points;
+ for ($i = 0; $i < $no_of_points; $i++) {
+ $params[$index]['MULTILINESTRING'][$j][$i]['x'] = $points_arr[$i][0];
+ $params[$index]['MULTILINESTRING'][$j][$i]['y'] = $points_arr[$i][1];
+ }
+ $j++;
+ }
+ return $params;
+ }
+}
+?>
diff --git a/libraries/gis/pma_gis_multipoint.php b/libraries/gis/pma_gis_multipoint.php
new file mode 100644
index 0000000000..6ef57ddec7
--- /dev/null
+++ b/libraries/gis/pma_gis_multipoint.php
@@ -0,0 +1,343 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Handles actions related to GIS MULTIPOINT objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+/**
+ * Handles actions related to GIS MULTIPOINT objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+class PMA_GIS_Multipoint extends PMA_GIS_Geometry
+{
+ // Hold the singleton instance of the class
+ private static $_instance;
+
+ /**
+ * A private constructor; prevents direct creation of object.
+ *
+ * @access private
+ */
+ private function __construct()
+ {
+ }
+
+ /**
+ * Returns the singleton.
+ *
+ * @return PMA_GIS_Multipoint the singleton
+ * @access public
+ */
+ public static function singleton()
+ {
+ if (!isset(self::$_instance)) {
+ $class = __CLASS__;
+ self::$_instance = new $class;
+ }
+
+ return self::$_instance;
+ }
+
+ /**
+ * Scales each row.
+ *
+ * @param string $spatial spatial data of a row
+ *
+ * @return array an array containing the min, max values for x and y cordinates
+ * @access public
+ */
+ public function scaleRow($spatial)
+ {
+ // Trim to remove leading 'MULTIPOINT(' and trailing ')'
+ $multipoint = substr($spatial, 11, (strlen($spatial) - 12));
+ return $this->setMinMax($multipoint, array());
+ }
+
+ /**
+ * Adds to the PNG image object, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS MULTIPOINT object
+ * @param string $label Label for the GIS MULTIPOINT object
+ * @param string $point_color Color for the GIS MULTIPOINT object
+ * @param array $scale_data Array containing data related to scaling
+ * @param object $image Image object
+ *
+ * @return object the modified image object
+ * @access public
+ */
+ public function prepareRowAsPng($spatial, $label, $point_color,
+ $scale_data, $image
+ ) {
+ // allocate colors
+ $black = imagecolorallocate($image, 0, 0, 0);
+ $red = hexdec(substr($point_color, 1, 2));
+ $green = hexdec(substr($point_color, 3, 2));
+ $blue = hexdec(substr($point_color, 4, 2));
+ $color = imagecolorallocate($image, $red, $green, $blue);
+
+ // Trim to remove leading 'MULTIPOINT(' and trailing ')'
+ $multipoint = substr($spatial, 11, (strlen($spatial) - 12));
+ $points_arr = $this->extractPoints($multipoint, $scale_data);
+
+ foreach ($points_arr as $point) {
+ // draw a small circle to mark the point
+ if ($point[0] != '' && $point[1] != '') {
+ imagearc($image, $point[0], $point[1], 7, 7, 0, 360, $color);
+ }
+ }
+ // print label for each point
+ if ((isset($label) && trim($label) != '')
+ && ($points_arr[0][0] != '' && $points_arr[0][1] != '')
+ ) {
+ imagestring(
+ $image, 1, $points_arr[0][0], $points_arr[0][1], trim($label), $black
+ );
+ }
+ return $image;
+ }
+
+ /**
+ * Adds to the TCPDF instance, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS MULTIPOINT object
+ * @param string $label Label for the GIS MULTIPOINT object
+ * @param string $point_color Color for the GIS MULTIPOINT object
+ * @param array $scale_data Array containing data related to scaling
+ * @param TCPDF $pdf TCPDF instance
+ *
+ * @return TCPDF the modified TCPDF instance
+ * @access public
+ */
+ public function prepareRowAsPdf($spatial, $label, $point_color,
+ $scale_data, $pdf
+ ) {
+ // allocate colors
+ $red = hexdec(substr($point_color, 1, 2));
+ $green = hexdec(substr($point_color, 3, 2));
+ $blue = hexdec(substr($point_color, 4, 2));
+ $line = array('width' => 1.25, 'color' => array($red, $green, $blue));
+
+ // Trim to remove leading 'MULTIPOINT(' and trailing ')'
+ $multipoint = substr($spatial, 11, (strlen($spatial) - 12));
+ $points_arr = $this->extractPoints($multipoint, $scale_data);
+
+ foreach ($points_arr as $point) {
+ // draw a small circle to mark the point
+ if ($point[0] != '' && $point[1] != '') {
+ $pdf->Circle($point[0], $point[1], 2, 0, 360, 'D', $line);
+ }
+ }
+ // print label for each point
+ if ((isset($label) && trim($label) != '')
+ && ($points_arr[0][0] != '' && $points_arr[0][1] != '')
+ ) {
+ $pdf->SetXY($points_arr[0][0], $points_arr[0][1]);
+ $pdf->SetFontSize(5);
+ $pdf->Cell(0, 0, trim($label));
+ }
+ return $pdf;
+ }
+
+ /**
+ * Prepares and returns the code related to a row in the GIS dataset as SVG.
+ *
+ * @param string $spatial GIS MULTIPOINT object
+ * @param string $label Label for the GIS MULTIPOINT object
+ * @param string $point_color Color for the GIS MULTIPOINT object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string the code related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsSvg($spatial, $label, $point_color, $scale_data)
+ {
+ $point_options = array(
+ 'name' => $label,
+ 'class' => 'multipoint vector',
+ 'fill' => 'white',
+ 'stroke' => $point_color,
+ 'stroke-width'=> 2,
+ );
+
+ // Trim to remove leading 'MULTIPOINT(' and trailing ')'
+ $multipoint = substr($spatial, 11, (strlen($spatial) - 12));
+ $points_arr = $this->extractPoints($multipoint, $scale_data);
+
+ $row = '';
+ foreach ($points_arr as $point) {
+ if ($point[0] != '' && $point[1] != '') {
+ $row .= '<circle cx="' . $point[0] . '" cy="'
+ . $point[1] . '" r="3"';
+ $point_options['id'] = $label . rand();
+ foreach ($point_options as $option => $val) {
+ $row .= ' ' . $option . '="' . trim($val) . '"';
+ }
+ $row .= '/>';
+ }
+ }
+
+ return $row;
+ }
+
+ /**
+ * Prepares JavaScript related to a row in the GIS dataset
+ * to visualize it with OpenLayers.
+ *
+ * @param string $spatial GIS MULTIPOINT object
+ * @param int $srid Spatial reference ID
+ * @param string $label Label for the GIS MULTIPOINT object
+ * @param string $point_color Color for the GIS MULTIPOINT object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string JavaScript related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsOl($spatial, $srid, $label,
+ $point_color, $scale_data
+ ) {
+ $style_options = array(
+ 'pointRadius' => 3,
+ 'fillColor' => '#ffffff',
+ 'strokeColor' => $point_color,
+ 'strokeWidth' => 2,
+ 'label' => $label,
+ 'labelYOffset' => -8,
+ 'fontSize' => 10,
+ );
+ if ($srid == 0) {
+ $srid = 4326;
+ }
+ $result = $this->getBoundsForOl($srid, $scale_data);
+
+ // Trim to remove leading 'MULTIPOINT(' and trailing ')'
+ $multipoint = substr($spatial, 11, (strlen($spatial) - 12));
+ $points_arr = $this->extractPoints($multipoint, null);
+
+ $result .= 'vectorLayer.addFeatures(new OpenLayers.Feature.Vector('
+ . 'new OpenLayers.Geometry.MultiPoint('
+ . $this->getPointsArrayForOpenLayers($points_arr, $srid)
+ . '), null, ' . json_encode($style_options) . '));';
+ return $result;
+ }
+
+ /**
+ * Generate the WKT with the set of parameters passed by the GIS editor.
+ *
+ * @param array $gis_data GIS data
+ * @param int $index Index into the parameter object
+ * @param string $empty Multipoint does not adhere to this
+ *
+ * @return string WKT with the set of parameters passed by the GIS editor
+ * @access public
+ */
+ public function generateWkt($gis_data, $index, $empty = '')
+ {
+ $no_of_points = isset($gis_data[$index]['MULTIPOINT']['no_of_points'])
+ ? $gis_data[$index]['MULTIPOINT']['no_of_points'] : 1;
+ if ($no_of_points < 1) {
+ $no_of_points = 1;
+ }
+ $wkt = 'MULTIPOINT(';
+ for ($i = 0; $i < $no_of_points; $i++) {
+ $wkt .= ((isset($gis_data[$index]['MULTIPOINT'][$i]['x'])
+ && trim($gis_data[$index]['MULTIPOINT'][$i]['x']) != '')
+ ? $gis_data[$index]['MULTIPOINT'][$i]['x'] : '')
+ . ' ' . ((isset($gis_data[$index]['MULTIPOINT'][$i]['y'])
+ && trim($gis_data[$index]['MULTIPOINT'][$i]['y']) != '')
+ ? $gis_data[$index]['MULTIPOINT'][$i]['y'] : '') . ',';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= ')';
+ return $wkt;
+ }
+
+ /**
+ * Generate the WKT for the data from ESRI shape files.
+ *
+ * @param array $row_data GIS data
+ *
+ * @return string the WKT for the data from ESRI shape files
+ * @access public
+ */
+ public function getShape($row_data)
+ {
+ $wkt = 'MULTIPOINT(';
+ for ($i = 0; $i < $row_data['numpoints']; $i++) {
+ $wkt .= $row_data['points'][$i]['x'] . ' '
+ . $row_data['points'][$i]['y'] . ',';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= ')';
+ return $wkt;
+ }
+
+ /**
+ * Generate parameters for the GIS data editor from the value of the GIS column.
+ *
+ * @param string $value Value of the GIS column
+ * @param integer $index Index of the geometry
+ *
+ * @return array params for the GIS data editor from the value of the GIS column
+ * @access public
+ */
+ public function generateParams($value, $index = -1)
+ {
+ if ($index == -1) {
+ $index = 0;
+ $params = array();
+ $data = PMA_GIS_Geometry::generateParams($value);
+ $params['srid'] = $data['srid'];
+ $wkt = $data['wkt'];
+ } else {
+ $params[$index]['gis_type'] = 'MULTIPOINT';
+ $wkt = $value;
+ }
+
+ // Trim to remove leading 'MULTIPOINT(' and trailing ')'
+ $points = substr($wkt, 11, (strlen($wkt) - 12));
+ $points_arr = $this->extractPoints($points, null);
+
+ $no_of_points = count($points_arr);
+ $params[$index]['MULTIPOINT']['no_of_points'] = $no_of_points;
+ for ($i = 0; $i < $no_of_points; $i++) {
+ $params[$index]['MULTIPOINT'][$i]['x'] = $points_arr[$i][0];
+ $params[$index]['MULTIPOINT'][$i]['y'] = $points_arr[$i][1];
+ }
+
+ return $params;
+ }
+
+ /**
+ * Overidden to make sure that only the points having valid values
+ * for x and y coordinates are added.
+ *
+ * @param array $points_arr x and y coordinates for each point
+ * @param string $srid spatial reference id
+ *
+ * @return string JavaScript for adding an array of points to OpenLayers
+ * @access protected
+ */
+ protected function getPointsArrayForOpenLayers($points_arr, $srid)
+ {
+ $ol_array = 'new Array(';
+ foreach ($points_arr as $point) {
+ if ($point[0] != '' && $point[1] != '') {
+ $ol_array .= $this->getPointForOpenLayers($point, $srid) . ', ';
+ }
+ }
+ if (substr($ol_array, strlen($ol_array) - 2) == ', ') {
+ $ol_array = substr($ol_array, 0, strlen($ol_array) - 2);
+ }
+ $ol_array .= ')';
+
+ return $ol_array;
+ }
+}
+?>
diff --git a/libraries/gis/pma_gis_multipolygon.php b/libraries/gis/pma_gis_multipolygon.php
new file mode 100644
index 0000000000..7afbff386e
--- /dev/null
+++ b/libraries/gis/pma_gis_multipolygon.php
@@ -0,0 +1,527 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Handles actions related to GIS MULTIPOLYGON objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+/**
+ * Handles actions related to GIS MULTIPOLYGON objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+class PMA_GIS_Multipolygon extends PMA_GIS_Geometry
+{
+ // Hold the singleton instance of the class
+ private static $_instance;
+
+ /**
+ * A private constructor; prevents direct creation of object.
+ *
+ * @access private
+ */
+ private function __construct()
+ {
+ }
+
+ /**
+ * Returns the singleton.
+ *
+ * @return PMA_GIS_Multipolygon the singleton
+ * @access public
+ */
+ public static function singleton()
+ {
+ if (!isset(self::$_instance)) {
+ $class = __CLASS__;
+ self::$_instance = new $class;
+ }
+
+ return self::$_instance;
+ }
+
+ /**
+ * Scales each row.
+ *
+ * @param string $spatial spatial data of a row
+ *
+ * @return array an array containing the min, max values for x and y cordinates
+ * @access public
+ */
+ public function scaleRow($spatial)
+ {
+ $min_max = array();
+
+ // Trim to remove leading 'MULTIPOLYGON(((' and trailing ')))'
+ $multipolygon = substr($spatial, 15, (strlen($spatial) - 18));
+ // Seperate each polygon
+ $polygons = explode(")),((", $multipolygon);
+
+ foreach ($polygons as $polygon) {
+ // If the polygon doesn't have an inner ring, use polygon itself
+ if (strpos($polygon, "),(") === false) {
+ $ring = $polygon;
+ } else {
+ // Seperate outer ring and use it to determin min-max
+ $parts = explode("),(", $polygon);
+ $ring = $parts[0];
+ }
+ $min_max = $this->setMinMax($ring, $min_max);
+ }
+
+ return $min_max;
+ }
+
+ /**
+ * Adds to the PNG image object, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS MULTIPOLYGON object
+ * @param string $label Label for the GIS MULTIPOLYGON object
+ * @param string $fill_color Color for the GIS MULTIPOLYGON object
+ * @param array $scale_data Array containing data related to scaling
+ * @param object $image Image object
+ *
+ * @return object the modified image object
+ * @access public
+ */
+ public function prepareRowAsPng($spatial, $label, $fill_color,
+ $scale_data, $image
+ ) {
+ // allocate colors
+ $black = imagecolorallocate($image, 0, 0, 0);
+ $red = hexdec(substr($fill_color, 1, 2));
+ $green = hexdec(substr($fill_color, 3, 2));
+ $blue = hexdec(substr($fill_color, 4, 2));
+ $color = imagecolorallocate($image, $red, $green, $blue);
+
+ // Trim to remove leading 'MULTIPOLYGON(((' and trailing ')))'
+ $multipolygon = substr($spatial, 15, (strlen($spatial) - 18));
+ // Seperate each polygon
+ $polygons = explode(")),((", $multipolygon);
+
+ $first_poly = true;
+ foreach ($polygons as $polygon) {
+ // If the polygon doesnt have an inner polygon
+ if (strpos($polygon, "),(") === false) {
+ $points_arr = $this->extractPoints($polygon, $scale_data, true);
+ } else {
+ // Seperate outer and inner polygons
+ $parts = explode("),(", $polygon);
+ $outer = $parts[0];
+ $inner = array_slice($parts, 1);
+
+ $points_arr = $this->extractPoints($outer, $scale_data, true);
+
+ foreach ($inner as $inner_poly) {
+ $points_arr = array_merge(
+ $points_arr,
+ $this->extractPoints($inner_poly, $scale_data, true)
+ );
+ }
+ }
+ // draw polygon
+ imagefilledpolygon($image, $points_arr, sizeof($points_arr) / 2, $color);
+ // mark label point if applicable
+ if (isset($label) && trim($label) != '' && $first_poly) {
+ $label_point = array($points_arr[2], $points_arr[3]);
+ }
+ $first_poly = false;
+ }
+ // print label if applicable
+ if (isset($label_point)) {
+ imagestring(
+ $image, 1, $points_arr[2], $points_arr[3], trim($label), $black
+ );
+ }
+ return $image;
+ }
+
+ /**
+ * Adds to the TCPDF instance, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS MULTIPOLYGON object
+ * @param string $label Label for the GIS MULTIPOLYGON object
+ * @param string $fill_color Color for the GIS MULTIPOLYGON object
+ * @param array $scale_data Array containing data related to scaling
+ * @param TCPDF $pdf TCPDF instance
+ *
+ * @return TCPDF the modified TCPDF instance
+ * @access public
+ */
+ public function prepareRowAsPdf($spatial, $label, $fill_color, $scale_data, $pdf)
+ {
+ // allocate colors
+ $red = hexdec(substr($fill_color, 1, 2));
+ $green = hexdec(substr($fill_color, 3, 2));
+ $blue = hexdec(substr($fill_color, 4, 2));
+ $color = array($red, $green, $blue);
+
+ // Trim to remove leading 'MULTIPOLYGON(((' and trailing ')))'
+ $multipolygon = substr($spatial, 15, (strlen($spatial) - 18));
+ // Seperate each polygon
+ $polygons = explode(")),((", $multipolygon);
+
+ $first_poly = true;
+ foreach ($polygons as $polygon) {
+ // If the polygon doesnt have an inner polygon
+ if (strpos($polygon, "),(") === false) {
+ $points_arr = $this->extractPoints($polygon, $scale_data, true);
+ } else {
+ // Seperate outer and inner polygons
+ $parts = explode("),(", $polygon);
+ $outer = $parts[0];
+ $inner = array_slice($parts, 1);
+
+ $points_arr = $this->extractPoints($outer, $scale_data, true);
+
+ foreach ($inner as $inner_poly) {
+ $points_arr = array_merge(
+ $points_arr,
+ $this->extractPoints($inner_poly, $scale_data, true)
+ );
+ }
+ }
+ // draw polygon
+ $pdf->Polygon($points_arr, 'F*', array(), $color, true);
+ // mark label point if applicable
+ if (isset($label) && trim($label) != '' && $first_poly) {
+ $label_point = array($points_arr[2], $points_arr[3]);
+ }
+ $first_poly = false;
+ }
+
+ // print label if applicable
+ if (isset($label_point)) {
+ $pdf->SetXY($label_point[0], $label_point[1]);
+ $pdf->SetFontSize(5);
+ $pdf->Cell(0, 0, trim($label));
+ }
+ return $pdf;
+ }
+
+ /**
+ * Prepares and returns the code related to a row in the GIS dataset as SVG.
+ *
+ * @param string $spatial GIS MULTIPOLYGON object
+ * @param string $label Label for the GIS MULTIPOLYGON object
+ * @param string $fill_color Color for the GIS MULTIPOLYGON object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string the code related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsSvg($spatial, $label, $fill_color, $scale_data)
+ {
+ $polygon_options = array(
+ 'name' => $label,
+ 'class' => 'multipolygon vector',
+ 'stroke' => 'black',
+ 'stroke-width'=> 0.5,
+ 'fill' => $fill_color,
+ 'fill-rule' => 'evenodd',
+ 'fill-opacity'=> 0.8,
+ );
+
+ $row = '';
+
+ // Trim to remove leading 'MULTIPOLYGON(((' and trailing ')))'
+ $multipolygon = substr($spatial, 15, (strlen($spatial) - 18));
+ // Seperate each polygon
+ $polygons = explode(")),((", $multipolygon);
+
+ foreach ($polygons as $polygon) {
+ $row .= '<path d="';
+
+ // If the polygon doesnt have an inner polygon
+ if (strpos($polygon, "),(") === false) {
+ $row .= $this->_drawPath($polygon, $scale_data);
+ } else {
+ // Seperate outer and inner polygons
+ $parts = explode("),(", $polygon);
+ $outer = $parts[0];
+ $inner = array_slice($parts, 1);
+
+ $row .= $this->_drawPath($outer, $scale_data);
+
+ foreach ($inner as $inner_poly) {
+ $row .= $this->_drawPath($inner_poly, $scale_data);
+ }
+ }
+ $polygon_options['id'] = $label . rand();
+ $row .= '"';
+ foreach ($polygon_options as $option => $val) {
+ $row .= ' ' . $option . '="' . trim($val) . '"';
+ }
+ $row .= '/>';
+ }
+
+ return $row;
+ }
+
+ /**
+ * Prepares JavaScript related to a row in the GIS dataset
+ * to visualize it with OpenLayers.
+ *
+ * @param string $spatial GIS MULTIPOLYGON object
+ * @param int $srid Spatial reference ID
+ * @param string $label Label for the GIS MULTIPOLYGON object
+ * @param string $fill_color Color for the GIS MULTIPOLYGON object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string JavaScript related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsOl($spatial, $srid, $label, $fill_color, $scale_data)
+ {
+ $style_options = array(
+ 'strokeColor' => '#000000',
+ 'strokeWidth' => 0.5,
+ 'fillColor' => $fill_color,
+ 'fillOpacity' => 0.8,
+ 'label' => $label,
+ 'fontSize' => 10,
+ );
+ if ($srid == 0) {
+ $srid = 4326;
+ }
+ $row = $this->getBoundsForOl($srid, $scale_data);
+
+ // Trim to remove leading 'MULTIPOLYGON(((' and trailing ')))'
+ $multipolygon = substr($spatial, 15, (strlen($spatial) - 18));
+ // Seperate each polygon
+ $polygons = explode(")),((", $multipolygon);
+
+ $row .= 'vectorLayer.addFeatures(new OpenLayers.Feature.Vector('
+ . 'new OpenLayers.Geometry.MultiPolygon('
+ . $this->getPolygonArrayForOpenLayers($polygons, $srid)
+ . '), null, ' . json_encode($style_options) . '));';
+ return $row;
+ }
+
+ /**
+ * Draws a ring of the polygon using SVG path element.
+ *
+ * @param string $polygon The ring
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string the code to draw the ring
+ * @access private
+ */
+ private function _drawPath($polygon, $scale_data)
+ {
+ $points_arr = $this->extractPoints($polygon, $scale_data);
+
+ $row = ' M ' . $points_arr[0][0] . ', ' . $points_arr[0][1];
+ $other_points = array_slice($points_arr, 1, count($points_arr) - 2);
+ foreach ($other_points as $point) {
+ $row .= ' L ' . $point[0] . ', ' . $point[1];
+ }
+ $row .= ' Z ';
+
+ return $row;
+ }
+
+ /**
+ * Generate the WKT with the set of parameters passed by the GIS editor.
+ *
+ * @param array $gis_data GIS data
+ * @param int $index Index into the parameter object
+ * @param string $empty Value for empty points
+ *
+ * @return string WKT with the set of parameters passed by the GIS editor
+ * @access public
+ */
+ public function generateWkt($gis_data, $index, $empty = '')
+ {
+ $data_row = $gis_data[$index]['MULTIPOLYGON'];
+
+ $no_of_polygons = isset($data_row['no_of_polygons'])
+ ? $data_row['no_of_polygons'] : 1;
+ if ($no_of_polygons < 1) {
+ $no_of_polygons = 1;
+ }
+
+ $wkt = 'MULTIPOLYGON(';
+ for ($k = 0; $k < $no_of_polygons; $k++) {
+ $no_of_lines = isset($data_row[$k]['no_of_lines'])
+ ? $data_row[$k]['no_of_lines'] : 1;
+ if ($no_of_lines < 1) {
+ $no_of_lines = 1;
+ }
+ $wkt .= '(';
+ for ($i = 0; $i < $no_of_lines; $i++) {
+ $no_of_points = isset($data_row[$k][$i]['no_of_points'])
+ ? $data_row[$k][$i]['no_of_points'] : 4;
+ if ($no_of_points < 4) {
+ $no_of_points = 4;
+ }
+ $wkt .= '(';
+ for ($j = 0; $j < $no_of_points; $j++) {
+ $wkt .= ((isset($data_row[$k][$i][$j]['x'])
+ && trim($data_row[$k][$i][$j]['x']) != '')
+ ? $data_row[$k][$i][$j]['x'] : $empty)
+ . ' ' . ((isset($data_row[$k][$i][$j]['y'])
+ && trim($data_row[$k][$i][$j]['y']) != '')
+ ? $data_row[$k][$i][$j]['y'] : $empty) .',';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= '),';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= '),';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= ')';
+ return $wkt;
+ }
+
+ /**
+ * Generate the WKT for the data from ESRI shape files.
+ *
+ * @param array $row_data GIS data
+ *
+ * @return string the WKT for the data from ESRI shape files
+ * @access public
+ */
+ public function getShape($row_data)
+ {
+ // Determines whether each line ring is an inner ring or an outer ring.
+ // If it's an inner ring get a point on the surface which can be used to
+ // correctly classify inner rings to their respective outer rings.
+ include_once './libraries/gis/pma_gis_polygon.php';
+ foreach ($row_data['parts'] as $i => $ring) {
+ $row_data['parts'][$i]['isOuter']
+ = PMA_GIS_Polygon::isOuterRing($ring['points']);
+ }
+
+ // Find points on surface for inner rings
+ foreach ($row_data['parts'] as $i => $ring) {
+ if (! $ring['isOuter']) {
+ $row_data['parts'][$i]['pointOnSurface']
+ = PMA_GIS_Polygon::getPointOnSurface($ring['points']);
+ }
+ }
+
+ // Classify inner rings to their respective outer rings.
+ foreach ($row_data['parts'] as $j => $ring1) {
+ if (! $ring1['isOuter']) {
+ foreach ($row_data['parts'] as $k => $ring2) {
+ if ($ring2['isOuter']) {
+ // If the pointOnSurface of the inner ring
+ // is also inside the outer ring
+ if (PMA_GIS_Polygon::isPointInsidePolygon(
+ $ring1['pointOnSurface'], $ring2['points']
+ )) {
+ if (! isset($ring2['inner'])) {
+ $row_data['parts'][$k]['inner'] = array();
+ }
+ $row_data['parts'][$k]['inner'][] = $j;
+ }
+ }
+ }
+ }
+ }
+
+ $wkt = 'MULTIPOLYGON(';
+ // for each polygon
+ foreach ($row_data['parts'] as $ring) {
+ if ($ring['isOuter']) {
+ $wkt .= '('; // start of polygon
+
+ $wkt .= '('; // start of outer ring
+ foreach ($ring['points'] as $point) {
+ $wkt .= $point['x'] . ' ' . $point['y'] . ',';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= ')'; // end of outer ring
+
+ // inner rings if any
+ if (isset($ring['inner'])) {
+ foreach ($ring['inner'] as $j) {
+ $wkt .= ',('; // start of inner ring
+ foreach ($row_data['parts'][$j]['points'] as $innerPoint) {
+ $wkt .= $innerPoint['x'] . ' ' . $innerPoint['y'] . ',';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= ')'; // end of inner ring
+ }
+ }
+
+ $wkt .= '),'; // end of polygon
+ }
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+
+ $wkt .= ')'; // end of multipolygon
+ return $wkt;
+ }
+
+ /**
+ * Generate parameters for the GIS data editor from the value of the GIS column.
+ *
+ * @param string $value Value of the GIS column
+ * @param int $index Index of the geometry
+ *
+ * @return array params for the GIS data editor from the value of the GIS column
+ * @access public
+ */
+ public function generateParams($value, $index = -1)
+ {
+ if ($index == -1) {
+ $index = 0;
+ $params = array();
+ $data = PMA_GIS_Geometry::generateParams($value);
+ $params['srid'] = $data['srid'];
+ $wkt = $data['wkt'];
+ } else {
+ $params[$index]['gis_type'] = 'MULTIPOLYGON';
+ $wkt = $value;
+ }
+
+ // Trim to remove leading 'MULTIPOLYGON(((' and trailing ')))'
+ $multipolygon = substr($wkt, 15, (strlen($wkt) - 18));
+ // Seperate each polygon
+ $polygons = explode(")),((", $multipolygon);
+
+ $param_row =& $params[$index]['MULTIPOLYGON'];
+ $param_row['no_of_polygons'] = count($polygons);
+
+ $k = 0;
+ foreach ($polygons as $polygon) {
+ // If the polygon doesnt have an inner polygon
+ if (strpos($polygon, "),(") === false) {
+ $param_row[$k]['no_of_lines'] = 1;
+ $points_arr = $this->extractPoints($polygon, null);
+ $no_of_points = count($points_arr);
+ $param_row[$k][0]['no_of_points'] = $no_of_points;
+ for ($i = 0; $i < $no_of_points; $i++) {
+ $param_row[$k][0][$i]['x'] = $points_arr[$i][0];
+ $param_row[$k][0][$i]['y'] = $points_arr[$i][1];
+ }
+ } else {
+ // Seperate outer and inner polygons
+ $parts = explode("),(", $polygon);
+ $param_row[$k]['no_of_lines'] = count($parts);
+ $j = 0;
+ foreach ($parts as $ring) {
+ $points_arr = $this->extractPoints($ring, null);
+ $no_of_points = count($points_arr);
+ $param_row[$k][$j]['no_of_points'] = $no_of_points;
+ for ($i = 0; $i < $no_of_points; $i++) {
+ $param_row[$k][$j][$i]['x'] = $points_arr[$i][0];
+ $param_row[$k][$j][$i]['y'] = $points_arr[$i][1];
+ }
+ $j++;
+ }
+ }
+ $k++;
+ }
+ return $params;
+ }
+}
+?>
diff --git a/libraries/gis/pma_gis_point.php b/libraries/gis/pma_gis_point.php
new file mode 100644
index 0000000000..e434e0c26c
--- /dev/null
+++ b/libraries/gis/pma_gis_point.php
@@ -0,0 +1,294 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Handles actions related to GIS POINT objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+/**
+ * Handles actions related to GIS POINT objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+class PMA_GIS_Point extends PMA_GIS_Geometry
+{
+ // Hold the singleton instance of the class
+ private static $_instance;
+
+ /**
+ * A private constructor; prevents direct creation of object.
+ *
+ * @access private
+ */
+ private function __construct()
+ {
+ }
+
+ /**
+ * Returns the singleton.
+ *
+ * @return PMA_GIS_Point the singleton
+ * @access public
+ */
+ public static function singleton()
+ {
+ if (!isset(self::$_instance)) {
+ $class = __CLASS__;
+ self::$_instance = new $class;
+ }
+
+ return self::$_instance;
+ }
+
+ /**
+ * Scales each row.
+ *
+ * @param string $spatial spatial data of a row
+ *
+ * @return array an array containing the min, max values for x and y cordinates
+ * @access public
+ */
+ public function scaleRow($spatial)
+ {
+ // Trim to remove leading 'POINT(' and trailing ')'
+ $point = substr($spatial, 6, (strlen($spatial) - 7));
+ return $this->setMinMax($point, array());
+ }
+
+ /**
+ * Adds to the PNG image object, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS POINT object
+ * @param string $label Label for the GIS POINT object
+ * @param string $point_color Color for the GIS POINT object
+ * @param array $scale_data Array containing data related to scaling
+ * @param object $image Image object
+ *
+ * @return object the modified image object
+ * @access public
+ */
+ public function prepareRowAsPng($spatial, $label, $point_color,
+ $scale_data, $image
+ ) {
+ // allocate colors
+ $black = imagecolorallocate($image, 0, 0, 0);
+ $red = hexdec(substr($point_color, 1, 2));
+ $green = hexdec(substr($point_color, 3, 2));
+ $blue = hexdec(substr($point_color, 4, 2));
+ $color = imagecolorallocate($image, $red, $green, $blue);
+
+ // Trim to remove leading 'POINT(' and trailing ')'
+ $point = substr($spatial, 6, (strlen($spatial) - 7));
+ $points_arr = $this->extractPoints($point, $scale_data);
+
+ // draw a small circle to mark the point
+ if ($points_arr[0][0] != '' && $points_arr[0][1] != '') {
+ imagearc(
+ $image, $points_arr[0][0], $points_arr[0][1], 7, 7, 0, 360, $color
+ );
+ // print label if applicable
+ if (isset($label) && trim($label) != '') {
+ imagestring(
+ $image, 1, $points_arr[0][0],
+ $points_arr[0][1], trim($label), $black
+ );
+ }
+ }
+ return $image;
+ }
+
+ /**
+ * Adds to the TCPDF instance, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS POINT object
+ * @param string $label Label for the GIS POINT object
+ * @param string $point_color Color for the GIS POINT object
+ * @param array $scale_data Array containing data related to scaling
+ * @param TCPDF $pdf TCPDF instance
+ *
+ * @return TCPDF the modified TCPDF instance
+ * @access public
+ */
+ public function prepareRowAsPdf($spatial, $label, $point_color,
+ $scale_data, $pdf
+ ) {
+ // allocate colors
+ $red = hexdec(substr($point_color, 1, 2));
+ $green = hexdec(substr($point_color, 3, 2));
+ $blue = hexdec(substr($point_color, 4, 2));
+ $line = array('width' => 1.25, 'color' => array($red, $green, $blue));
+
+ // Trim to remove leading 'POINT(' and trailing ')'
+ $point = substr($spatial, 6, (strlen($spatial) - 7));
+ $points_arr = $this->extractPoints($point, $scale_data);
+
+ // draw a small circle to mark the point
+ if ($points_arr[0][0] != '' && $points_arr[0][1] != '') {
+ $pdf->Circle(
+ $points_arr[0][0], $points_arr[0][1], 2, 0, 360, 'D', $line
+ );
+ // print label if applicable
+ if (isset($label) && trim($label) != '') {
+ $pdf->SetXY($points_arr[0][0], $points_arr[0][1]);
+ $pdf->SetFontSize(5);
+ $pdf->Cell(0, 0, trim($label));
+ }
+ }
+ return $pdf;
+ }
+
+ /**
+ * Prepares and returns the code related to a row in the GIS dataset as SVG.
+ *
+ * @param string $spatial GIS POINT object
+ * @param string $label Label for the GIS POINT object
+ * @param string $point_color Color for the GIS POINT object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string the code related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsSvg($spatial, $label, $point_color, $scale_data)
+ {
+ $point_options = array(
+ 'name' => $label,
+ 'id' => $label . rand(),
+ 'class' => 'point vector',
+ 'fill' => 'white',
+ 'stroke' => $point_color,
+ 'stroke-width'=> 2,
+ );
+
+ // Trim to remove leading 'POINT(' and trailing ')'
+ $point = substr($spatial, 6, (strlen($spatial) - 7));
+ $points_arr = $this->extractPoints($point, $scale_data);
+
+ $row = '';
+ if ($points_arr[0][0] != '' && $points_arr[0][1] != '') {
+ $row .= '<circle cx="' . $points_arr[0][0]
+ . '" cy="' . $points_arr[0][1] . '" r="3"';
+ foreach ($point_options as $option => $val) {
+ $row .= ' ' . $option . '="' . trim($val) . '"';
+ }
+ $row .= '/>';
+ }
+
+ return $row;
+ }
+
+ /**
+ * Prepares JavaScript related to a row in the GIS dataset
+ * to visualize it with OpenLayers.
+ *
+ * @param string $spatial GIS POINT object
+ * @param int $srid Spatial reference ID
+ * @param string $label Label for the GIS POINT object
+ * @param string $point_color Color for the GIS POINT object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string JavaScript related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsOl($spatial, $srid, $label,
+ $point_color, $scale_data
+ ) {
+ $style_options = array(
+ 'pointRadius' => 3,
+ 'fillColor' => '#ffffff',
+ 'strokeColor' => $point_color,
+ 'strokeWidth' => 2,
+ 'label' => $label,
+ 'labelYOffset' => -8,
+ 'fontSize' => 10,
+ );
+ if ($srid == 0) {
+ $srid = 4326;
+ }
+ $result = $this->getBoundsForOl($srid, $scale_data);
+
+ // Trim to remove leading 'POINT(' and trailing ')'
+ $point = substr($spatial, 6, (strlen($spatial) - 7));
+ $points_arr = $this->extractPoints($point, null);
+
+ if ($points_arr[0][0] != '' && $points_arr[0][1] != '') {
+ $result .= 'vectorLayer.addFeatures(new OpenLayers.Feature.Vector('
+ . $this->getPointForOpenLayers($points_arr[0], $srid). ', null, '
+ . json_encode($style_options) . '));';
+ }
+ return $result;
+ }
+
+ /**
+ * Generate the WKT with the set of parameters passed by the GIS editor.
+ *
+ * @param array $gis_data GIS data
+ * @param int $index Index into the parameter object
+ * @param string $empty Point deos not adhere to this parameter
+ *
+ * @return string WKT with the set of parameters passed by the GIS editor
+ * @access public
+ */
+ public function generateWkt($gis_data, $index, $empty = '')
+ {
+ return 'POINT('
+ . ((isset($gis_data[$index]['POINT']['x'])
+ && trim($gis_data[$index]['POINT']['x']) != '')
+ ? $gis_data[$index]['POINT']['x'] : '')
+ . ' '
+ . ((isset($gis_data[$index]['POINT']['y'])
+ && trim($gis_data[$index]['POINT']['y']) != '')
+ ? $gis_data[$index]['POINT']['y'] : '') . ')';
+ }
+
+ /**
+ * Generate the WKT for the data from ESRI shape files.
+ *
+ * @param array $row_data GIS data
+ *
+ * @return string the WKT for the data from ESRI shape files
+ * @access public
+ */
+ public function getShape($row_data)
+ {
+ return 'POINT(' . (isset($row_data['x']) ? $row_data['x'] : '')
+ . ' ' . (isset($row_data['y']) ? $row_data['y'] : '') . ')';
+ }
+
+ /**
+ * Generate parameters for the GIS data editor from the value of the GIS column.
+ *
+ * @param string $value of the GIS column
+ * @param int $index of the geometry
+ *
+ * @return array params for the GIS data editor from the value of the GIS column
+ * @access public
+ */
+ public function generateParams($value, $index = -1)
+ {
+ if ($index == -1) {
+ $index = 0;
+ $params = array();
+ $data = PMA_GIS_Geometry::generateParams($value);
+ $params['srid'] = $data['srid'];
+ $wkt = $data['wkt'];
+ } else {
+ $params[$index]['gis_type'] = 'POINT';
+ $wkt = $value;
+ }
+
+ // Trim to remove leading 'POINT(' and trailing ')'
+ $point = substr($wkt, 6, (strlen($wkt) - 7));
+ $points_arr = $this->extractPoints($point, null);
+
+ $params[$index]['POINT']['x'] = $points_arr[0][0];
+ $params[$index]['POINT']['y'] = $points_arr[0][1];
+
+ return $params;
+ }
+}
+?>
diff --git a/libraries/gis/pma_gis_polygon.php b/libraries/gis/pma_gis_polygon.php
new file mode 100644
index 0000000000..215625e13e
--- /dev/null
+++ b/libraries/gis/pma_gis_polygon.php
@@ -0,0 +1,549 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Handles actions related to GIS POLYGON objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+/**
+ * Handles actions related to GIS POLYGON objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+class PMA_GIS_Polygon extends PMA_GIS_Geometry
+{
+ // Hold the singleton instance of the class
+ private static $_instance;
+
+ /**
+ * A private constructor; prevents direct creation of object.
+ *
+ * @access private
+ */
+ private function __construct()
+ {
+ }
+
+ /**
+ * Returns the singleton.
+ *
+ * @return PMA_GIS_Polygon the singleton
+ * @access public
+ */
+ public static function singleton()
+ {
+ if (!isset(self::$_instance)) {
+ $class = __CLASS__;
+ self::$_instance = new $class;
+ }
+
+ return self::$_instance;
+ }
+
+ /**
+ * Scales each row.
+ *
+ * @param string $spatial spatial data of a row
+ *
+ * @return array an array containing the min, max values for x and y cordinates
+ * @access public
+ */
+ public function scaleRow($spatial)
+ {
+ // Trim to remove leading 'POLYGON((' and trailing '))'
+ $polygon = substr($spatial, 9, (strlen($spatial) - 11));
+
+ // If the polygon doesn't have an inner ring, use polygon itself
+ if (strpos($polygon, "),(") === false) {
+ $ring = $polygon;
+ } else {
+ // Seperate outer ring and use it to determin min-max
+ $parts = explode("),(", $polygon);
+ $ring = $parts[0];
+ }
+ return $this->setMinMax($ring, array());
+ }
+
+ /**
+ * Adds to the PNG image object, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS POLYGON object
+ * @param string $label Label for the GIS POLYGON object
+ * @param string $fill_color Color for the GIS POLYGON object
+ * @param array $scale_data Array containing data related to scaling
+ * @param object $image Image object
+ *
+ * @return object the modified image object
+ * @access public
+ */
+ public function prepareRowAsPng($spatial, $label, $fill_color,
+ $scale_data, $image
+ ) {
+ // allocate colors
+ $black = imagecolorallocate($image, 0, 0, 0);
+ $red = hexdec(substr($fill_color, 1, 2));
+ $green = hexdec(substr($fill_color, 3, 2));
+ $blue = hexdec(substr($fill_color, 4, 2));
+ $color = imagecolorallocate($image, $red, $green, $blue);
+
+ // Trim to remove leading 'POLYGON((' and trailing '))'
+ $polygon = substr($spatial, 9, (strlen($spatial) - 11));
+
+ // If the polygon doesnt have an inner polygon
+ if (strpos($polygon, "),(") === false) {
+ $points_arr = $this->extractPoints($polygon, $scale_data, true);
+ } else {
+ // Seperate outer and inner polygons
+ $parts = explode("),(", $polygon);
+ $outer = $parts[0];
+ $inner = array_slice($parts, 1);
+
+ $points_arr = $this->extractPoints($outer, $scale_data, true);
+
+ foreach ($inner as $inner_poly) {
+ $points_arr = array_merge(
+ $points_arr, $this->extractPoints($inner_poly, $scale_data, true)
+ );
+ }
+ }
+
+ // draw polygon
+ imagefilledpolygon($image, $points_arr, sizeof($points_arr) / 2, $color);
+ // print label if applicable
+ if (isset($label) && trim($label) != '') {
+ imagestring(
+ $image, 1, $points_arr[2], $points_arr[3], trim($label), $black
+ );
+ }
+ return $image;
+ }
+
+ /**
+ * Adds to the TCPDF instance, the data related to a row in the GIS dataset.
+ *
+ * @param string $spatial GIS POLYGON object
+ * @param string $label Label for the GIS POLYGON object
+ * @param string $fill_color Color for the GIS POLYGON object
+ * @param array $scale_data Array containing data related to scaling
+ * @param TCPDF $pdf TCPDF instance
+ *
+ * @return TCPDF the modified TCPDF instance
+ * @access public
+ */
+ public function prepareRowAsPdf($spatial, $label, $fill_color, $scale_data, $pdf)
+ {
+ // allocate colors
+ $red = hexdec(substr($fill_color, 1, 2));
+ $green = hexdec(substr($fill_color, 3, 2));
+ $blue = hexdec(substr($fill_color, 4, 2));
+ $color = array($red, $green, $blue);
+
+ // Trim to remove leading 'POLYGON((' and trailing '))'
+ $polygon = substr($spatial, 9, (strlen($spatial) - 11));
+
+ // If the polygon doesnt have an inner polygon
+ if (strpos($polygon, "),(") === false) {
+ $points_arr = $this->extractPoints($polygon, $scale_data, true);
+ } else {
+ // Seperate outer and inner polygons
+ $parts = explode("),(", $polygon);
+ $outer = $parts[0];
+ $inner = array_slice($parts, 1);
+
+ $points_arr = $this->extractPoints($outer, $scale_data, true);
+
+ foreach ($inner as $inner_poly) {
+ $points_arr = array_merge(
+ $points_arr, $this->extractPoints($inner_poly, $scale_data, true)
+ );
+ }
+ }
+
+ // draw polygon
+ $pdf->Polygon($points_arr, 'F*', array(), $color, true);
+ // print label if applicable
+ if (isset($label) && trim($label) != '') {
+ $pdf->SetXY($points_arr[2], $points_arr[3]);
+ $pdf->SetFontSize(5);
+ $pdf->Cell(0, 0, trim($label));
+ }
+ return $pdf;
+ }
+
+ /**
+ * Prepares and returns the code related to a row in the GIS dataset as SVG.
+ *
+ * @param string $spatial GIS POLYGON object
+ * @param string $label Label for the GIS POLYGON object
+ * @param string $fill_color Color for the GIS POLYGON object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string the code related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsSvg($spatial, $label, $fill_color, $scale_data)
+ {
+ $polygon_options = array(
+ 'name' => $label,
+ 'id' => $label . rand(),
+ 'class' => 'polygon vector',
+ 'stroke' => 'black',
+ 'stroke-width'=> 0.5,
+ 'fill' => $fill_color,
+ 'fill-rule' => 'evenodd',
+ 'fill-opacity'=> 0.8,
+ );
+
+ // Trim to remove leading 'POLYGON((' and trailing '))'
+ $polygon = substr($spatial, 9, (strlen($spatial) - 11));
+
+ $row = '<path d="';
+
+ // If the polygon doesnt have an inner polygon
+ if (strpos($polygon, "),(") === false) {
+ $row .= $this->_drawPath($polygon, $scale_data);
+ } else {
+ // Seperate outer and inner polygons
+ $parts = explode("),(", $polygon);
+ $outer = $parts[0];
+ $inner = array_slice($parts, 1);
+
+ $row .= $this->_drawPath($outer, $scale_data);
+
+ foreach ($inner as $inner_poly) {
+ $row .= $this->_drawPath($inner_poly, $scale_data);
+ }
+ }
+
+ $row .= '"';
+ foreach ($polygon_options as $option => $val) {
+ $row .= ' ' . $option . '="' . trim($val) . '"';
+ }
+ $row .= '/>';
+ return $row;
+ }
+
+ /**
+ * Prepares JavaScript related to a row in the GIS dataset
+ * to visualize it with OpenLayers.
+ *
+ * @param string $spatial GIS POLYGON object
+ * @param int $srid Spatial reference ID
+ * @param string $label Label for the GIS POLYGON object
+ * @param string $fill_color Color for the GIS POLYGON object
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string JavaScript related to a row in the GIS dataset
+ * @access public
+ */
+ public function prepareRowAsOl($spatial, $srid, $label, $fill_color, $scale_data)
+ {
+ $style_options = array(
+ 'strokeColor' => '#000000',
+ 'strokeWidth' => 0.5,
+ 'fillColor' => $fill_color,
+ 'fillOpacity' => 0.8,
+ 'label' => $label,
+ 'fontSize' => 10,
+ );
+ if ($srid == 0) {
+ $srid = 4326;
+ }
+ $row = $this->getBoundsForOl($srid, $scale_data);
+
+ // Trim to remove leading 'POLYGON((' and trailing '))'
+ $polygon = substr($spatial, 9, (strlen($spatial) - 11));
+
+ // Seperate outer and inner polygons
+ $parts = explode("),(", $polygon);
+ $row .= 'vectorLayer.addFeatures(new OpenLayers.Feature.Vector('
+ . $this->getPolygonForOpenLayers($parts, $srid)
+ . ', null, ' . json_encode($style_options) . '));';
+ return $row;
+ }
+
+ /**
+ * Draws a ring of the polygon using SVG path element.
+ *
+ * @param string $polygon The ring
+ * @param array $scale_data Array containing data related to scaling
+ *
+ * @return string the code to draw the ring
+ * @access private
+ */
+ private function _drawPath($polygon, $scale_data)
+ {
+ $points_arr = $this->extractPoints($polygon, $scale_data);
+
+ $row = ' M ' . $points_arr[0][0] . ', ' . $points_arr[0][1];
+ $other_points = array_slice($points_arr, 1, count($points_arr) - 2);
+ foreach ($other_points as $point) {
+ $row .= ' L ' . $point[0] . ', ' . $point[1];
+ }
+ $row .= ' Z ';
+
+ return $row;
+ }
+
+ /**
+ * Generate the WKT with the set of parameters passed by the GIS editor.
+ *
+ * @param array $gis_data GIS data
+ * @param int $index Index into the parameter object
+ * @param string $empty Value for empty points
+ *
+ * @return string WKT with the set of parameters passed by the GIS editor
+ * @access public
+ */
+ public function generateWkt($gis_data, $index, $empty = '')
+ {
+ $no_of_lines = isset($gis_data[$index]['POLYGON']['no_of_lines'])
+ ? $gis_data[$index]['POLYGON']['no_of_lines'] : 1;
+ if ($no_of_lines < 1) {
+ $no_of_lines = 1;
+ }
+ $wkt = 'POLYGON(';
+ for ($i = 0; $i < $no_of_lines; $i++) {
+ $no_of_points = isset($gis_data[$index]['POLYGON'][$i]['no_of_points'])
+ ? $gis_data[$index]['POLYGON'][$i]['no_of_points'] : 4;
+ if ($no_of_points < 4) {
+ $no_of_points = 4;
+ }
+ $wkt .= '(';
+ for ($j = 0; $j < $no_of_points; $j++) {
+ $wkt .= ((isset($gis_data[$index]['POLYGON'][$i][$j]['x'])
+ && trim($gis_data[$index]['POLYGON'][$i][$j]['x']) != '')
+ ? $gis_data[$index]['POLYGON'][$i][$j]['x'] : $empty)
+ . ' ' . ((isset($gis_data[$index]['POLYGON'][$i][$j]['y'])
+ && trim($gis_data[$index]['POLYGON'][$i][$j]['y']) != '')
+ ? $gis_data[$index]['POLYGON'][$i][$j]['y'] : $empty) .',';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= '),';
+ }
+ $wkt = substr($wkt, 0, strlen($wkt) - 1);
+ $wkt .= ')';
+ return $wkt;
+ }
+
+ /**
+ * Calculates the area of a closed simple polygon.
+ *
+ * @param array $ring array of points forming the ring
+ *
+ * @return float the area of a closed simple polygon
+ * @access public
+ * @static
+ */
+ public static function area($ring)
+ {
+
+ $no_of_points = count($ring);
+
+ // If the last point is same as the first point ignore it
+ $last = count($ring) - 1;
+ if (($ring[0]['x'] == $ring[$last]['x'])
+ && ($ring[0]['y'] == $ring[$last]['y'])
+ ) {
+ $no_of_points--;
+ }
+
+ // _n-1
+ // A = _1_ \ (X(i) * Y(i+1)) - (Y(i) * X(i+1))
+ // 2 /__
+ // i=0
+ $area = 0;
+ for ($i = 0; $i < $no_of_points; $i++) {
+ $j = ($i + 1) % $no_of_points;
+ $area += $ring[$i]['x'] * $ring[$j]['y'];
+ $area -= $ring[$i]['y'] * $ring[$j]['x'];
+ }
+ $area /= 2.0;
+
+ return $area;
+ }
+
+ /**
+ * Determines whether a set of points represents an outer ring.
+ * If points are in clockwise orientation then, they form an outer ring.
+ *
+ * @param array $ring array of points forming the ring
+ *
+ * @return bool whether a set of points represents an outer ring
+ * @access public
+ * @static
+ */
+ public static function isOuterRing($ring)
+ {
+ // If area is negative then it's in clockwise orientation,
+ // i.e. it's an outer ring
+ if (PMA_GIS_Polygon::area($ring) < 0) {
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Determines whether a given point is inside a given polygon.
+ *
+ * @param array $point x, y coordinates of the point
+ * @param array $polygon array of points forming the ring
+ *
+ * @return bool whether a given point is inside a given polygon
+ * @access public
+ * @static
+ */
+ public static function isPointInsidePolygon($point, $polygon)
+ {
+ // If first point is repeated at the end remove it
+ $last = count($polygon) - 1;
+ if (($polygon[0]['x'] == $polygon[$last]['x'])
+ && ($polygon[0]['y'] == $polygon[$last]['y'])
+ ) {
+ $polygon = array_slice($polygon, 0, $last);
+ }
+
+ $no_of_points = count($polygon);
+ $counter = 0;
+
+ // Use ray casting algorithm
+ $p1 = $polygon[0];
+ for ($i = 1; $i <= $no_of_points; $i++) {
+ $p2 = $polygon[$i % $no_of_points];
+ if ($point['y'] > min(array($p1['y'], $p2['y']))) {
+ if ($point['y'] <= max(array($p1['y'], $p2['y']))) {
+ if ($point['x'] <= max(array($p1['x'], $p2['x']))) {
+ if ($p1['y'] != $p2['y']) {
+ $xinters = ($point['y'] - $p1['y'])
+ * ($p2['x'] - $p1['x'])
+ / ($p2['y'] - $p1['y']) + $p1['x'];
+ if ($p1['x'] == $p2['x'] || $point['x'] <= $xinters) {
+ $counter++;
+ }
+ }
+ }
+ }
+ }
+ $p1 = $p2;
+ }
+
+ if ($counter % 2 == 0) {
+ return false;
+ } else {
+ return true;
+ }
+ }
+
+ /**
+ * Returns a point that is guaranteed to be on the surface of the ring.
+ * (for simple closed rings)
+ *
+ * @param array $ring array of points forming the ring
+ *
+ * @return array|void a point on the surface of the ring
+ * @access public
+ * @static
+ */
+ public static function getPointOnSurface($ring)
+ {
+ // Find two consecutive distinct points.
+ for ($i = 0; $i < count($ring) - 1; $i++) {
+ if ($ring[$i]['y'] != $ring[$i + 1]['y']) {
+ $x0 = $ring[$i]['x'];
+ $x1 = $ring[$i + 1]['x'];
+ $y0 = $ring[$i]['y'];
+ $y1 = $ring[$i + 1]['y'];
+ break;
+ }
+ }
+
+ if (! isset($x0)) {
+ return false;
+ }
+
+ // Find the mid point
+ $x2 = ($x0 + $x1) / 2;
+ $y2 = ($y0 + $y1) / 2;
+
+ // Always keep $epsilon < 1 to go with the reduction logic down here
+ $epsilon = 0.1;
+ $denominator = sqrt(
+ PMA_Util::pow(($y1 - $y0), 2)
+ + PMA_Util::pow(($x0 - $x1), 2)
+ );
+ $pointA = array(); $pointB = array();
+
+ while (true) {
+ // Get the points on either sides of the line
+ // with a distance of epsilon to the mid point
+ $pointA['x'] = $x2 + ($epsilon * ($y1 - $y0)) / $denominator;
+ $pointA['y'] = $y2 + ($pointA['x'] - $x2) * ($x0 - $x1) / ($y1 - $y0);
+
+ $pointB['x'] = $x2 + ($epsilon * ($y1 - $y0)) / (0 - $denominator);
+ $pointB['y'] = $y2 + ($pointB['x'] - $x2) * ($x0 - $x1) / ($y1 - $y0);
+
+ // One of the points should be inside the polygon,
+ // unless epcilon chosen is too large
+ if (PMA_GIS_Polygon::isPointInsidePolygon($pointA, $ring)) {
+ return $pointA;
+ } elseif (PMA_GIS_Polygon::isPointInsidePolygon($pointB, $ring)) {
+ return $pointB;
+ } else {
+ //If both are outside the polygon reduce the epsilon and
+ //recalculate the points(reduce exponentially for faster convergance)
+ $epsilon = PMA_Util::pow($epsilon, 2);
+ if ($epsilon == 0) {
+ return false;
+ }
+ }
+
+ }
+ }
+
+ /** Generate parameters for the GIS data editor from the value of the GIS column.
+ *
+ * @param string $value Value of the GIS column
+ * @param int $index Index of the geometry
+ *
+ * @return array params for the GIS data editor from the value of the GIS column
+ * @access public
+ */
+ public function generateParams($value, $index = -1)
+ {
+ if ($index == -1) {
+ $index = 0;
+ $params = array();
+ $data = PMA_GIS_Geometry::generateParams($value);
+ $params['srid'] = $data['srid'];
+ $wkt = $data['wkt'];
+ } else {
+ $params[$index]['gis_type'] = 'POLYGON';
+ $wkt = $value;
+ }
+
+ // Trim to remove leading 'POLYGON((' and trailing '))'
+ $polygon = substr($wkt, 9, (strlen($wkt) - 11));
+ // Seperate each linestring
+ $linerings = explode("),(", $polygon);
+ $params[$index]['POLYGON']['no_of_lines'] = count($linerings);
+
+ $j = 0;
+ foreach ($linerings as $linering) {
+ $points_arr = $this->extractPoints($linering, null);
+ $no_of_points = count($points_arr);
+ $params[$index]['POLYGON'][$j]['no_of_points'] = $no_of_points;
+ for ($i = 0; $i < $no_of_points; $i++) {
+ $params[$index]['POLYGON'][$j][$i]['x'] = $points_arr[$i][0];
+ $params[$index]['POLYGON'][$j][$i]['y'] = $points_arr[$i][1];
+ }
+ $j++;
+ }
+ return $params;
+ }
+}
+?>
diff --git a/libraries/gis/pma_gis_visualization.php b/libraries/gis/pma_gis_visualization.php
new file mode 100644
index 0000000000..85f0e289bf
--- /dev/null
+++ b/libraries/gis/pma_gis_visualization.php
@@ -0,0 +1,503 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Handles visualization of GIS data
+ *
+ * @package PhpMyAdmin-GIS
+ */
+
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+/**
+ * Handles visualization of GIS data
+ *
+ * @package PhpMyAdmin-GIS
+ */
+class PMA_GIS_Visualization
+{
+ /**
+ * @var array Raw data for the visualization
+ */
+ private $_data;
+
+ /**
+ * @var array Set of default settigs values are here.
+ */
+ private $_settings = array(
+
+ // Array of colors to be used for GIS visualizations.
+ 'colors' => array(
+ '#B02EE0',
+ '#E0642E',
+ '#E0D62E',
+ '#2E97E0',
+ '#BCE02E',
+ '#E02E75',
+ '#5CE02E',
+ '#E0B02E',
+ '#0022E0',
+ '#726CB1',
+ '#481A36',
+ '#BAC658',
+ '#127224',
+ '#825119',
+ '#238C74',
+ '#4C489B',
+ '#87C9BF',
+ ),
+
+ // The width of the GIS visualization.
+ 'width' => 600,
+
+ // The height of the GIS visualization.
+ 'height' => 450,
+ );
+
+ /**
+ * @var array Options that the user has specified.
+ */
+ private $_userSpecifiedSettings = null;
+
+ /**
+ * Returns the settings array
+ *
+ * @return array the settings array
+ * @access public
+ */
+ public function getSettings()
+ {
+ return $this->_settings;
+ }
+
+ /**
+ * Constructor. Stores user specified options.
+ *
+ * @param array $data Data for the visualization
+ * @param array $options Users specified options
+ *
+ * @access public
+ */
+ public function __construct($data, $options)
+ {
+ $this->_userSpecifiedSettings = $options;
+ $this->_data = $data;
+ }
+
+ /**
+ * All the variable initialization, options handling has to be done here.
+ *
+ * @return void
+ * @access protected
+ */
+ protected function init()
+ {
+ $this->_handleOptions();
+ }
+
+ /**
+ * A function which handles passed parameters. Useful if desired
+ * chart needs to be a little bit different from the default one.
+ *
+ * @return void
+ * @access private
+ */
+ private function _handleOptions()
+ {
+ if (! is_null($this->_userSpecifiedSettings)) {
+ $this->_settings = array_merge(
+ $this->_settings,
+ $this->_userSpecifiedSettings
+ );
+ }
+ }
+
+ /**
+ * Sanitizes the file name.
+ *
+ * @param string $file_name file name
+ * @param string $ext extension of the file
+ *
+ * @return string the sanitized file name
+ * @access private
+ */
+ private function _sanitizeName($file_name, $ext)
+ {
+ $file_name = PMA_sanitizeFilename($file_name);
+
+ // Check if the user already added extension;
+ // get the substring where the extension would be if it was included
+ $extension_start_pos = strlen($file_name) - strlen($ext) - 1;
+ $user_extension = substr(
+ $file_name, $extension_start_pos, strlen($file_name)
+ );
+ $required_extension = "." . $ext;
+ if (strtolower($user_extension) != $required_extension) {
+ $file_name .= $required_extension;
+ }
+ return $file_name;
+ }
+
+ /**
+ * Handles common tasks of writing the visualization to file for various formats.
+ *
+ * @param string $file_name file name
+ * @param string $type mime type
+ * @param string $ext extension of the file
+ *
+ * @return void
+ * @access private
+ */
+ private function _toFile($file_name, $type, $ext)
+ {
+ $file_name = $this->_sanitizeName($file_name, $ext);
+ PMA_downloadHeader($file_name, $type);
+ }
+
+ /**
+ * Generate the visualization in SVG format.
+ *
+ * @return string the generated image resource
+ * @access private
+ */
+ private function _svg()
+ {
+ $this->init();
+
+ $output = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>' . "\n";
+ $output .= '<svg version="1.1" xmlns:svg="http://www.w3.org/2000/svg"'
+ . ' xmlns="http://www.w3.org/2000/svg"'
+ . ' width="' . $this->_settings['width'] . '"'
+ . ' height="' . $this->_settings['height'] . '">';
+ $output .= '<g id="groupPanel">';
+
+ $scale_data = $this->_scaleDataSet($this->_data);
+ $output .= $this->_prepareDataSet($this->_data, $scale_data, 'svg', '');
+
+ $output .= '</g>';
+ $output .= '</svg>';
+
+ return $output;
+ }
+
+ /**
+ * Get the visualization as a SVG.
+ *
+ * @return string the visualization as a SVG
+ * @access public
+ */
+ public function asSVG()
+ {
+ $output = $this->_svg();
+ return $output;
+ }
+
+ /**
+ * Saves as a SVG image to a file.
+ *
+ * @param string $file_name File name
+ *
+ * @return void
+ * @access public
+ */
+ public function toFileAsSvg($file_name)
+ {
+ $img = $this->_svg();
+ $this->_toFile($file_name, 'image/svg+xml', 'svg');
+ echo($img);
+ }
+
+ /**
+ * Generate the visualization in PNG format.
+ *
+ * @return resource the generated image resource
+ * @access private
+ */
+ private function _png()
+ {
+ $this->init();
+
+ // create image
+ $image = imagecreatetruecolor(
+ $this->_settings['width'],
+ $this->_settings['height']
+ );
+
+ // fill the background
+ $bg = imagecolorallocate($image, 229, 229, 229);
+ imagefilledrectangle(
+ $image, 0, 0, $this->_settings['width'] - 1,
+ $this->_settings['height'] - 1, $bg
+ );
+
+ $scale_data = $this->_scaleDataSet($this->_data);
+ $image = $this->_prepareDataSet($this->_data, $scale_data, 'png', $image);
+
+ return $image;
+ }
+
+ /**
+ * Get the visualization as a PNG.
+ *
+ * @return string the visualization as a PNG
+ * @access public
+ */
+ public function asPng()
+ {
+ $img = $this->_png();
+
+ // render and save it to variable
+ ob_start();
+ imagepng($img, null, 9, PNG_ALL_FILTERS);
+ imagedestroy($img);
+ $output = ob_get_contents();
+ ob_end_clean();
+
+ // base64 encode
+ $encoded = base64_encode($output);
+ return '<img src="data:image/png;base64,'. $encoded .'" />';
+ }
+
+ /**
+ * Saves as a PNG image to a file.
+ *
+ * @param string $file_name File name
+ *
+ * @return void
+ * @access public
+ */
+ public function toFileAsPng($file_name)
+ {
+ $img = $this->_png();
+ $this->_toFile($file_name, 'image/png', 'png');
+ imagepng($img, null, 9, PNG_ALL_FILTERS);
+ imagedestroy($img);
+ }
+
+ /**
+ * Get the code for visualization with OpenLayers.
+ *
+ * @return string the code for visualization with OpenLayers
+ * @access public
+ */
+ public function asOl()
+ {
+ $this->init();
+ $scale_data = $this->_scaleDataSet($this->_data);
+ $output
+ = 'var options = {'
+ . 'projection: new OpenLayers.Projection("EPSG:900913"),'
+ . 'displayProjection: new OpenLayers.Projection("EPSG:4326"),'
+ . 'units: "m",'
+ . 'numZoomLevels: 18,'
+ . 'maxResolution: 156543.0339,'
+ . 'maxExtent: new OpenLayers.Bounds('
+ . '-20037508, -20037508, 20037508, 20037508),'
+ . 'restrictedExtent: new OpenLayers.Bounds('
+ . '-20037508, -20037508, 20037508, 20037508)'
+ . '};'
+ . 'var map = new OpenLayers.Map("openlayersmap", options);'
+ . 'var layerNone = new OpenLayers.Layer.Boxes('
+ . '"None", {isBaseLayer: true});'
+ . 'var layerMapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik");'
+ . 'var layerCycleMap = new OpenLayers.Layer.OSM.CycleMap("CycleMap");'
+ . 'map.addLayers([layerMapnik,layerCycleMap,layerNone]);'
+ . 'var vectorLayer = new OpenLayers.Layer.Vector("Data");'
+ . 'var bound;';
+ $output .= $this->_prepareDataSet($this->_data, $scale_data, 'ol', '');
+ $output .=
+ 'map.addLayer(vectorLayer);'
+ . 'map.zoomToExtent(bound);'
+ . 'if (map.getZoom() < 2) {'
+ . 'map.zoomTo(2);'
+ . '}'
+ . 'map.addControl(new OpenLayers.Control.LayerSwitcher());'
+ . 'map.addControl(new OpenLayers.Control.MousePosition());';
+ return $output;
+ }
+
+ /**
+ * Saves as a PDF to a file.
+ *
+ * @param string $file_name File name
+ *
+ * @return void
+ * @access public
+ */
+ public function toFileAsPdf($file_name)
+ {
+ $this->init();
+
+ include_once './libraries/tcpdf/tcpdf.php';
+
+ // create pdf
+ $pdf = new TCPDF(
+ '', 'pt', $GLOBALS['cfg']['PDFDefaultPageSize'], true, 'UTF-8', false
+ );
+
+ // disable header and footer
+ $pdf->setPrintHeader(false);
+ $pdf->setPrintFooter(false);
+
+ //set auto page breaks
+ $pdf->SetAutoPageBreak(false);
+
+ // add a page
+ $pdf->AddPage();
+
+ $scale_data = $this->_scaleDataSet($this->_data);
+ $pdf = $this->_prepareDataSet($this->_data, $scale_data, 'pdf', $pdf);
+
+ // sanitize file name
+ $file_name = $this->_sanitizeName($file_name, 'pdf');
+ $pdf->Output($file_name, 'D');
+ }
+
+ /**
+ * Calculates the scale, horizontal and vertical offset that should be used.
+ *
+ * @param array $data Row data
+ *
+ * @return array an array containing the scale, x and y offsets
+ * @access private
+ */
+ private function _scaleDataSet($data)
+ {
+ $min_max = array();
+ $border = 15;
+ // effective width and height of the plot
+ $plot_width = $this->_settings['width'] - 2 * $border;
+ $plot_height = $this->_settings['height'] - 2 * $border;
+
+ foreach ($data as $row) {
+
+ // Figure out the data type
+ $ref_data = $row[$this->_settings['spatialColumn']];
+ $type_pos = stripos($ref_data, '(');
+ $type = substr($ref_data, 0, $type_pos);
+
+ $gis_obj = PMA_GIS_Factory::factory($type);
+ if (! $gis_obj) {
+ continue;
+ }
+ $scale_data = $gis_obj->scaleRow(
+ $row[$this->_settings['spatialColumn']]
+ );
+
+ // Upadate minimum/maximum values for x and y cordinates.
+ $c_maxX = (float) $scale_data['maxX'];
+ if (! isset($min_max['maxX']) || $c_maxX > $min_max['maxX']) {
+ $min_max['maxX'] = $c_maxX;
+ }
+
+ $c_minX = (float) $scale_data['minX'];
+ if (! isset($min_max['minX']) || $c_minX < $min_max['minX']) {
+ $min_max['minX'] = $c_minX;
+ }
+
+ $c_maxY = (float) $scale_data['maxY'];
+ if (! isset($min_max['maxY']) || $c_maxY > $min_max['maxY']) {
+ $min_max['maxY'] = $c_maxY;
+ }
+
+ $c_minY = (float) $scale_data['minY'];
+ if (! isset($min_max['minY']) || $c_minY < $min_max['minY']) {
+ $min_max['minY'] = $c_minY;
+ }
+ }
+
+ // scale the visualization
+ $x_ratio = ($min_max['maxX'] - $min_max['minX']) / $plot_width;
+ $y_ratio = ($min_max['maxY'] - $min_max['minY']) / $plot_height;
+ $ratio = ($x_ratio > $y_ratio) ? $x_ratio : $y_ratio;
+
+ $scale = ($ratio != 0) ? (1 / $ratio) : 1;
+
+ if ($x_ratio < $y_ratio) {
+ // center horizontally
+ $x = ($min_max['maxX'] + $min_max['minX'] - $plot_width / $scale) / 2;
+ // fit vertically
+ $y = $min_max['minY'] - ($border / $scale);
+ } else {
+ // fit horizontally
+ $x = $min_max['minX'] - ($border / $scale);
+ // center vertically
+ $y =($min_max['maxY'] + $min_max['minY'] - $plot_height / $scale) / 2;
+ }
+
+ return array(
+ 'scale' => $scale,
+ 'x' => $x,
+ 'y' => $y,
+ 'minX' => $min_max['minX'],
+ 'maxX' => $min_max['maxX'],
+ 'minY' => $min_max['minY'],
+ 'maxY' => $min_max['maxY'],
+ 'height' => $this->_settings['height'],
+ );
+ }
+
+ /**
+ * Prepares and return the dataset as needed by the visualization.
+ *
+ * @param array $data Raw data
+ * @param array $scale_data Data related to scaling
+ * @param string $format Format of the visulaization
+ * @param object $results Image object in the case of png
+ * TCPDF object in the case of pdf
+ *
+ * @return mixed the formatted array of data
+ * @access private
+ */
+ private function _prepareDataSet($data, $scale_data, $format, $results)
+ {
+ $color_number = 0;
+
+ // loop through the rows
+ foreach ($data as $row) {
+ $index = $color_number % sizeof($this->_settings['colors']);
+
+ // Figure out the data type
+ $ref_data = $row[$this->_settings['spatialColumn']];
+ $type_pos = stripos($ref_data, '(');
+ $type = substr($ref_data, 0, $type_pos);
+
+ $gis_obj = PMA_GIS_Factory::factory($type);
+ if (! $gis_obj) {
+ continue;
+ }
+ $label = '';
+ if (isset($this->_settings['labelColumn'])
+ && isset($row[$this->_settings['labelColumn']])
+ ) {
+ $label = $row[$this->_settings['labelColumn']];
+ }
+
+ if ($format == 'svg') {
+ $results .= $gis_obj->prepareRowAsSvg(
+ $row[$this->_settings['spatialColumn']], $label,
+ $this->_settings['colors'][$index], $scale_data
+ );
+ } elseif ($format == 'png') {
+ $results = $gis_obj->prepareRowAsPng(
+ $row[$this->_settings['spatialColumn']], $label,
+ $this->_settings['colors'][$index], $scale_data, $results
+ );
+ } elseif ($format == 'pdf') {
+ $results = $gis_obj->prepareRowAsPdf(
+ $row[$this->_settings['spatialColumn']], $label,
+ $this->_settings['colors'][$index], $scale_data, $results
+ );
+ } elseif ($format == 'ol') {
+ $results .= $gis_obj->prepareRowAsOl(
+ $row[$this->_settings['spatialColumn']], $row['srid'],
+ $label, $this->_settings['colors'][$index], $scale_data
+ );
+ }
+ $color_number++;
+ }
+ return $results;
+ }
+}
+?>