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#include "grid_generator.hpp"
#include "../../base/logging.hpp"
#include "../../indexer/cell_id.hpp"
#include "../../indexer/mercator.hpp"
// tags used for grid drawing
#define GRIDKEY "mapswithme"
#define GRIDVALUE "grid"
#define CAPTIONKEY "place"
#define CAPTIONVALUE "country"
namespace grid
{
static size_t const MIN_GRID_LEVEL = 1;
static size_t const MAX_GRID_LEVEL = 10;
template <class TCellId>
string MercatorPointToCellIdString(double x, double y, size_t bucketingLevel)
{
TCellId id = CellIdConverter<MercatorBounds, TCellId>::ToCellId(x, y);
return id.ToString().substr(0, bucketingLevel);
}
void GenerateGridToStdout(size_t bucketingLevel)
{
if (bucketingLevel < MIN_GRID_LEVEL || bucketingLevel > MAX_GRID_LEVEL)
{
LOG(LERROR, ("Bucketing level", bucketingLevel, "for grid is not within valid range [", MIN_GRID_LEVEL, "..", MAX_GRID_LEVEL, "]"));
return;
}
size_t const COUNT = 2 << (bucketingLevel - 1);
double const STEPX = (MercatorBounds::maxX - MercatorBounds::minX) / COUNT;
double const STEPY = (MercatorBounds::maxY - MercatorBounds::minY) / COUNT;
cout <<
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<osm version=\"0.6\" generator=\"MapsWithMe Indexer Tool\">\n"
" <bounds minlat=\"" << MercatorBounds::YToLat(MercatorBounds::minY) <<
"\" minlon=\"" << MercatorBounds::XToLon(MercatorBounds::minX) <<
"\" maxlat=\"" << MercatorBounds::YToLat(MercatorBounds::maxY) <<
"\" maxlon=\"" << MercatorBounds::XToLon(MercatorBounds::maxX) << "\"/>\n";
// generate nodes and ways
size_t nodeID = 1;
size_t wayID = 1;
for (double y = MercatorBounds::minY; y <= MercatorBounds::maxY; y += STEPY)
{
size_t const firstID = nodeID;
cout <<
" <node id=\"" << nodeID++ <<
"\" lat=\"" << MercatorBounds::YToLat(y) <<
"\" lon=\"" << MercatorBounds::XToLon(MercatorBounds::minX) <<
"\"/>\n";
size_t const secondID = nodeID;
cout <<
" <node id=\"" << nodeID++ <<
"\" lat=\"" << MercatorBounds::YToLat(y) <<
"\" lon=\"" << MercatorBounds::XToLon(MercatorBounds::maxX) <<
"\"/>\n";
cout <<
" <way id=\"" << wayID++ << "\">\n"
" <nd ref=\"" << firstID << "\"/>\n"
" <nd ref=\"" << secondID << "\"/>\n"
" <tag k=\"" << GRIDKEY << "\" v=\"" << GRIDVALUE << "\"/>\n"
" <tag k=\"layer\" v=\"-5\"/>\n"
" </way>\n";
}
for (double x = MercatorBounds::minX; x <= MercatorBounds::maxX; x += STEPX)
{
size_t const firstID = nodeID;
cout <<
" <node id=\"" << nodeID++ <<
"\" lat=\"" << MercatorBounds::YToLat(MercatorBounds::minY) <<
"\" lon=\"" << MercatorBounds::XToLon(x) <<
"\"/>\n";
size_t const secondID = nodeID;
cout <<
" <node id=\"" << nodeID++ <<
"\" lat=\"" << MercatorBounds::YToLat(MercatorBounds::maxY) <<
"\" lon=\"" << MercatorBounds::XToLon(x) <<
"\"/>\n";
cout <<
" <way id=\"" << wayID++ << "\">\n"
" <nd ref=\"" << firstID << "\"/>\n"
" <nd ref=\"" << secondID << "\"/>\n"
" <tag k=\"" << GRIDKEY << "\" v=\"" << GRIDVALUE << "\"/>\n"
" <tag k=\"layer\" v=\"-5\"/>\n"
" </way>\n";
}
// generate nodes with captions
for (size_t y = 0; y <= COUNT - 1; ++y)
{
for (size_t x = 0; x <= COUNT - 1; ++x)
{
double const mercY = MercatorBounds::minY + y * STEPY + STEPY / 2;
double const mercX = MercatorBounds::minX + x * STEPX + STEPX / 2;
string const title = MercatorPointToCellIdString<m2::CellId<MAX_GRID_LEVEL> >(mercX, mercY, bucketingLevel);
cout <<
" <node id=\"" << nodeID++ <<
"\" lat=\"" << MercatorBounds::YToLat(mercY) <<
"\" lon=\"" << MercatorBounds::XToLon(mercX) <<
"\">\n";
cout <<
" <tag k=\"" << CAPTIONKEY << "\" v=\"" << CAPTIONVALUE << "\"/>\n";
cout <<
" <tag k=\"name\" v=\"" << title << "\"/>\n";
cout <<
" </node>\n";
}
}
cout <<
"</osm>\n";
}
/* void GenerateGridToStdout(size_t bucketingLevel)
{
if (bucketingLevel < MIN_GRID_LEVEL || bucketingLevel > MAX_GRID_LEVEL)
{
LOG(LERROR, ("Bucketing level", bucketingLevel, "for grid is not within valid range [", MIN_GRID_LEVEL, "..", MAX_GRID_LEVEL, "]"));
return;
}
size_t const COUNT = 2 << (bucketingLevel - 1);
double const STEPX = (MercatorBounds::maxX - MercatorBounds::minX) / COUNT;
double const STEPY = (MercatorBounds::maxY - MercatorBounds::minY) / COUNT;
cout <<
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<osm version=\"0.6\" generator=\"MapsWithMe Indexer Tool\">\n"
" <bounds minlat=\"" << MercatorBounds::YToLat(MercatorBounds::minY) <<
"\" minlon=\"" << MercatorBounds::XToLon(MercatorBounds::minX) <<
"\" maxlat=\"" << MercatorBounds::YToLat(MercatorBounds::maxY) <<
"\" maxlon=\"" << MercatorBounds::XToLon(MercatorBounds::maxX) << "\"/>\n";
// generate nodes
size_t nodeID = 1;
for (double y = MercatorBounds::minY; y <= MercatorBounds::maxY; y += STEPY)
{
for (double x = MercatorBounds::minX; x <= MercatorBounds::maxX; x += STEPX)
{
cout <<
" <node id=\"" << nodeID++ <<
"\" lat=\"" << MercatorBounds::YToLat(y) <<
"\" lon=\"" << MercatorBounds::XToLon(x) <<
"\"/>\n";
}
}
// generate squares and captions
size_t wayID = 1;
for (size_t y = 0; y <= COUNT - 1; ++y)
{
for (size_t x = 0; x <= COUNT - 1; ++x)
{
size_t const first = x + y * (COUNT + 1) + 1;
size_t const second = first + 1;
size_t const third = second + COUNT + 1;
size_t const fourth = third - 1;
string title = CellStringFromXYLevel(x, y, bucketingLevel);
++nodeID;
cout <<
" <node id=\"" << nodeID <<
"\" lat=\"" << MercatorBounds::YToLat(MercatorBounds::minY + y * STEPY + STEPY / 2) <<
"\" lon=\"" << MercatorBounds::XToLon(MercatorBounds::minX + x * STEPX + STEPX / 2) <<
"\">\n";
cout <<
" <tag k=\"" << TAGKEY << "\" v=\"" << CAPTIONVALUE << "\"/>\n";
cout <<
" <tag k=\"name\" v=\"" << title << "\"/>\n";
cout <<
" </node>\n";
cout <<
" <way id=\"" << wayID++ << "\">\n"
" <nd ref=\"" << first << "\"/>\n"
" <nd ref=\"" << second << "\"/>\n"
" <nd ref=\"" << third << "\"/>\n"
" <nd ref=\"" << fourth << "\"/>\n"
" <nd ref=\"" << first << "\"/>\n"
" <tag k=\"name\" v=\"" << title << "\"/>\n"
" <tag k=\"" << TAGKEY << "\" v=\"" << GRIDVALUE << "\"/>\n"
" <tag k=\"layer\" v=\"-5\"/>\n"
" </way>\n";
}
}
cout <<
"</osm>\n";
}*/
}
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