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diff --git a/xs/src/qhull/src/libqhull_r/qh-io_r.htm b/xs/src/qhull/src/libqhull_r/qh-io_r.htm new file mode 100644 index 000000000..8a8a96300 --- /dev/null +++ b/xs/src/qhull/src/libqhull_r/qh-io_r.htm @@ -0,0 +1,305 @@ +<!-- Do not edit with Front Page, it adds too many spaces --> +<html> +<head> +<meta http-equiv="Content-Type" +content="text/html; charset=iso-8859-1"> +<title>io_r.c -- input and output operations</title> +</head> + +<body> +<!-- Navigation links --> +<p><a name="TOP"><b>Up:</b></a> <a +href="http://www.qhull.org">Home page</a> for Qhull<br> +<b>Up:</b> <a href="../../html/index.htm#TOC">Qhull manual</a>: Table of Contents <br> +<b>Up:</b> <a href="../../html/qh-quick.htm#programs">Programs</a> +• <a href="../../html/qh-quick.htm#options">Options</a> +• <a href="../../html/qh-opto.htm#output">Output</a> +• <a href="../../html/qh-optf.htm#format">Formats</a> +• <a href="../../html/qh-optg.htm#geomview">Geomview</a> +• <a href="../../html/qh-optp.htm#print">Print</a> +• <a href="../../html/qh-optq.htm#qhull">Qhull</a> +• <a href="../../html/qh-optc.htm#prec">Precision</a> +• <a href="../../html/qh-optt.htm#trace">Trace</a> +• <a href="index.htm">Functions</a><br> +<b>Up:</b> <a href="../../html/qh-code.htm#TOC">Qhull code: Table of Contents</a><br> +<b>To:</b> <a href="index.htm">Qhull functions</a>, macros, and data structures<br> +<b>To:</b> <a href="qh-geom_r.htm">Geom</a> • <a href="qh-globa_r.htm">Global</a> +• <a href="qh-io_r.htm#TOC">Io</a> • <a href="qh-mem_r.htm">Mem</a> +• <a href="qh-merge_r.htm">Merge</a> • <a href="qh-poly_r.htm">Poly</a> +• <a href="qh-qhull_r.htm">Qhull</a> • <a href="qh-set_r.htm">Set</a> +• <a href="qh-stat_r.htm">Stat</a> • <a href="qh-user_r.htm">User</a> +</p> +<hr> + +<h2>io_r.c -- input and output operations</h2> +<blockquote> + +<p>Qhull provides a wide range of input +and output options. To organize the code, most output formats use +the same driver: </p> + +<pre> + qh_printbegin( fp, format, facetlist, facets, printall ); + + FORALLfacet_( facetlist ) + qh_printafacet( fp, format, facet, printall ); + + FOREACHfacet_( facets ) + qh_printafacet( fp, format, facet, printall ); + + qh_printend( fp, format ); +</pre> + +<p>Note the 'printall' flag. It selects whether or not +qh_skipfacet() is tested. </p> + +</blockquote> +<p><b>Copyright © 1995-2015 C.B. Barber</b></p> +<hr> +<p><a href="#TOP">»</a> <a href="qh-geom_r.htm#TOC">Geom</a> <a name="TOC">•</a> +<a href="qh-globa_r.htm#TOC">Global</a> • <b>Io</b> • +<a href="qh-mem_r.htm#TOC">Mem</a> • <a href="qh-merge_r.htm#TOC">Merge</a> • +<a href="qh-poly_r.htm#TOC">Poly</a> • <a href="qh-qhull_r.htm#TOC">Qhull</a> • +<a href="qh-set_r.htm#TOC">Set</a> • <a href="qh-stat_r.htm#TOC">Stat</a> • +<a href="qh-user_r.htm#TOC">User</a> </p> + +<h3>Index to <a href="io_r.c">io_r.c</a> and <a href="io_r.h">io_r.h</a></h3> + +<ul> +<li><a href="#iconst">io_r.h constants and types</a> </li> +<li><a href="#ilevel">User level functions</a> </li> +<li><a href="#iprint">Print functions for all output formats</a></li> +<li><a href="#itext">Text output functions</a> </li> +<li><a href="#iutil">Text utility functions</a></li> +<li><a href="#igeom">Geomview output functions</a> </li> +<li><a href="#iview">Geomview utility functions</a></li> +</ul> + +<h3><a href="qh-io_r.htm#TOC">»</a><a name="iconst">io_r.h constants and types</a></h3> + +<ul> +<li><a href="io_r.h#qh_MAXfirst">qh_MAXfirst</a> maximum length +of first two lines of stdin </li> +<li><a href="io_r.h#qh_WHITESPACE">qh_WHITESPACE</a> possible +values of white space </li> +<li><a href="io_r.h#printvridgeT">printvridgeT</a> function to +print results of qh_printvdiagram or qh_eachvoronoi</li> +</ul> + +<h3><a href="qh-io_r.htm#TOC">»</a><a name="ilevel">User level functions</a></h3> + +<ul> +<li><a href="io_r.c#copyfilename">qh_copyfilename</a> +copy filename identified by qh_skipfilename +<li><a href="io_r.c#eachvoronoi_all">qh_eachvoronoi_all</a> +visit each Voronoi ridge of the Voronoi diagram +<li><a href="io_r.c#prepare_output">qh_prepare_output</a> +prepare Qhull for output (called by qh_produce_output()) +<li><a href="io_r.c#printhelp_degenerate">qh_printhelp_degenerate</a> +prints descriptive message for precision error </li> +<li><a href="io_r.c#printhelp_singular">qh_printhelp_singular</a> +print help message for singular data </li> +<li><a href="libqhull_r.c#printsummary">qh_printsummary</a> print +summary ('s')</li> +<li><a href="io_r.c#produce_output">qh_produce_output</a> +prints out the result of qhull()</li> +<li><a href="io_r.c#produce_output">qh_produce_output2</a> +prints out the result of qhull() without calling qh_prepare_output()</li> +<li><a href="io_r.c#readfeasible">qh_readfeasible</a> read +interior point from remainder and qh fin ('H')</li> +<li><a href="io_r.c#readpoints">qh_readpoints</a> read input +points </li> +<li><a href="io_r.c#setfeasible">qh_setfeasible</a> set +interior point from qh feasible_string ('Hn,n,n')</li> +<li><a href="io_r.c#skipfilename">qh_skipfilename</a> +skip filename in string +</ul> + +<h3><a href="qh-io_r.htm#TOC">»</a><a name="iprint">Print functions for all +output formats</a></h3> + +<ul> +<li><a href="io_r.c#countfacets">qh_countfacets</a> count good +facets for printing and set visitid </li> +<li><a href="io_r.c#markkeep">qh_markkeep</a> mark good facets +that meet qh.KEEParea ('PAn'), qh.KEEPmerge ('PMn'), and qh.KEEPminArea ('PFn')</li> +<li><a href="io_r.c#order_vertexneighbors">qh_order_vertexneighbors</a> +order neighbors for a 3-d vertex by adjacency ('i', 'o')</li> +<li><a href="io_r.c#printafacet">qh_printafacet</a> print facet +in an output format </li> +<li><a href="io_r.c#printbegin">qh_printbegin</a> print header +for an output format </li> +<li><a href="io_r.c#printend">qh_printend</a> print trailer for +an output format </li> +<li><a href="user_r.c#printfacetlist">qh_printfacetlist</a> +print facets in a facetlist</li> +<li><a href="io_r.c#printfacets">qh_printfacets</a> print +facetlist and/or facet set in an output format </li> +<li><a href="io_r.c#printneighborhood">qh_printneighborhood</a> +print neighborhood of one or two facets ('Po')</li> +<li><a href="io_r.c#produce_output">qh_produce_output</a> +print the results of qh_qhull() </li> +<li><a href="io_r.c#skipfacet">qh_skipfacet</a> True if not +printing this facet ('Pdk:n', 'QVn', 'QGn')</li> +<li><a href="io_r.c#facetvertices">qh_facetvertices</a> return +vertices in a set of facets ('p')</li> +</ul> + +<h3><a href="qh-io_r.htm#TOC">»</a><a name="itext">Text output functions</a></h3> +<ul> +<li><a href="io_r.c#eachvoronoi">qh_eachvoronoi</a> +print or visit each Voronoi ridge for an input site of the Voronoi diagram +<li><a href="io_r.c#printextremes">qh_printextremes</a> print +extreme points by point ID (vertices of convex hull) ('Fx')</li> +<li><a href="io_r.c#printextremes_2d">qh_printextremes_2d</a> print +2-d extreme points by point ID ('Fx')</li> +<li><a href="io_r.c#printextremes_d">qh_printextremes_d</a> print +extreme points of input sites for Delaunay triangulations ('Fx')</li> +<li><a href="io_r.c#printfacet">qh_printfacet</a> print all +fields of a facet ('f')</li> +<li><a href="io_r.c#printfacet2math">qh_printfacet2math</a> print +2-d Maple or Mathematica output for a facet ('FM' or 'm')</li> +<li><a href="io_r.c#printfacet3math">qh_printfacet3math</a> +print 3-d Maple or Mathematica facet ('FM' or 'm')</li> +<li><a href="io_r.c#printfacet3vertex">qh_printfacet3vertex</a> +print vertices for a 3-d facet ('i', 'o')</li> +<li><a href="io_r.c#printfacetheader">qh_printfacetheader</a> +prints header fields of a facet ('f')</li> +<li><a href="io_r.c#printfacetNvertex_nonsimplicial">qh_printfacetNvertex_nonsimplicial</a> +print vertices for an N-d non-simplicial facet ('i', 'Ft')</li> +<li><a href="io_r.c#printfacetNvertex_simplicial">qh_printfacetNvertex_simplicial</a> +print vertices for an N-d simplicial facet ('i', 'o', 'Ft')</li> +<li><a href="io_r.c#printfacetridges">qh_printfacetridges</a> +prints ridges of a facet ('f')</li> +<li><a href="io_r.c#printpoints_out">qh_printpoints_out</a> prints +vertices for facets by their point coordinates ('p')</li> +<li><a href="io_r.c#printridge">qh_printridge</a> print all +fields for a ridge ('f')</li> +<li><a href="io_r.c#printvdiagram">qh_printvdiagram</a> print +voronoi diagram as Voronoi vertices for each input pair</li> +<li><a href="io_r.c#printvertex">qh_printvertex</a> print all +fields for a vertex ('f')</li> +<li><a href="io_r.c#printvertexlist">qh_printvertexlist</a> +print vertices used by a list or set of facets ('f')</li> +<li><a href="io_r.c#printvertices">qh_printvertices</a> print a +set of vertices ('f')</li> +<li><a href="io_r.c#printvneighbors">qh_printvneighbors</a> +print vertex neighbors of vertices ('FN')</li> +<li><a href="io_r.c#printvoronoi">qh_printvoronoi</a> print +voronoi diagram in 'o' or 'G' format</li> +</ul> + +<h3><a href="qh-io_r.htm#TOC">»</a><a name="iutil">Text utility functions</a></h3> +<ul> +<li><a href="io_r.c#dfacet">dfacet</a> print facet by ID </li> +<li><a href="io_r.c#dvertex">dvertex</a> print vertex by ID </li> +<li><a href="io_r.c#compare_facetarea">qh_compare_facetarea</a> +used by qsort() to order facets by area </li> +<li><a href="io_r.c#compare_facetmerge">qh_compare_facetmerge</a> +used by qsort() to order facets by number of merges </li> +<li><a href="io_r.c#compare_facetvisit">qh_compare_facetvisit</a> +used by qsort() to order facets by visit ID or ID </li> +<li><a href="io_r.c#compare_vertexpoint">qh_compare_vertexpoint</a> +used by qsort() to order vertices by point ID </li> +<li><a href="io_r.c#detvnorm">qh_detvnorm</a> determine normal for Voronoi ridge </li> +<li><a href="io_r.c#detvridge">qh_detvridge</a> determine Voronoi +ridge for an input site +<li><a href="io_r.c#detvridge3">qh_detvridge3</a> determine 3-d Voronoi +ridge for an input site +<li><a href="io_r.c#facet2point">qh_facet2point</a> return two +projected temporary vertices for a 2-d facet ('m', 'G')</li> +<li><a href="io_r.c#markvoronoi">qh_markvoronoi</a> mark Voronoi +vertices for printing +<li><a href="io_r.c#printcenter">qh_printcenter</a> print +facet->center as centrum or Voronoi center ('Ft', 'v p', 'FC', 'f') </li> +<li><a href="io_r.c#printpoint">qh_printpoint</a>, qh_printpointid, print +coordinates of a point ('p', 'o', 'Fp', 'G', 'f')</li> +<li><a href="io_r.c#printpoint3">qh_printpoint3</a> prints 2-d, +3-d, or 4-d point as 3-d coordinates ('G')</li> +<li><a href="io_r.c#printvdiagram2">qh_printvdiagram2</a> print +voronoi diagram for each ridge of each vertex from qh_markvoronoi</li> +<li><a href="io_r.c#printvnorm">qh_printvnorm</a> print +separating plane of the Voronoi diagram for a pair of input sites</li> +<li><a href="io_r.c#printvridge">qh_printvridge</a> print +ridge of the Voronoi diagram for a pair of input sites</li> +<li><a href="io_r.c#projectdim3">qh_projectdim3</a> project 2-d +3-d or 4-d point to a 3-d point ('G')</li> +</ul> + +<h3><a href="qh-io_r.htm#TOC">»</a><a name="igeom">Geomview output functions</a></h3> +<ul> +<li><a href="io_r.c#printfacet2geom">qh_printfacet2geom</a> +print facet as a 2-d VECT object </li> +<li><a href="io_r.c#printfacet2geom_points">qh_printfacet2geom_points</a> +print points as a 2-d VECT object with offset </li> +<li><a href="io_r.c#printfacet3geom_nonsimplicial">qh_printfacet3geom_nonsimplicial</a> +print Geomview OFF for a 3-d nonsimplicial facet. </li> +<li><a href="io_r.c#printfacet3geom_points">qh_printfacet3geom_points</a> +prints a 3-d facet as OFF Geomview object. </li> +<li><a href="io_r.c#printfacet3geom_simplicial">qh_printfacet3geom_simplicial</a> +print Geomview OFF for a 3-d simplicial facet. </li> +<li><a href="io_r.c#printfacet4geom_nonsimplicial">qh_printfacet4geom_nonsimplicial</a> +print Geomview 4OFF file for a 4d nonsimplicial facet </li> +<li><a href="io_r.c#printfacet4geom_simplicial">qh_printfacet4geom_simplicial</a> +print Geomview 4OFF file for a 4d simplicial facet </li> +<li><a href="io_r.c#printhyperplaneintersection">qh_printhyperplaneintersection</a> +print hyperplane intersection as OFF or 4OFF </li> +<li><a href="io_r.c#printvoronoi">qh_printvoronoi</a> print +voronoi diagram in 'o' or 'G' format</li> +</ul> +<h3><a href="qh-io_r.htm#TOC">»</a><a name="iview">Geomview utility functions</a></h3> +<ul> +<li><a href="io_r.c#geomplanes">qh_geomplanes</a> + return outer and inner planes for Geomview</li> +<li><a href="io_r.c#printcentrum">qh_printcentrum</a> print +centrum for a facet in OOGL format </li> +<li><a href="io_r.c#printend4geom">qh_printend4geom</a> helper +function for qh_printbegin/printend </li> +<li><a href="io_r.c#printhyperplaneintersection">qh_printhyperplaneintersection</a> +print Geomview OFF or 4OFF for the intersection of two +hyperplanes in 3-d or 4-d </li> +<li><a href="io_r.c#printline3geom">qh_printline3geom</a> prints a +line as a VECT </li> +<li><a href="io_r.c#printpointvect">qh_printpointvect</a> +prints a 2-d or 3-d point as 3-d VECT's </li> +<li><a href="io_r.c#printpointvect2">qh_printpointvect2</a> +prints a 2-d or 3-d point as 2 3-d VECT's </li> +<li><a href="io_r.c#printspheres">qh_printspheres</a> prints 3-d +vertices as OFF spheres </li> +</ul> +<p> +<p><!-- Navigation links --> </p> +<hr> +<p><b>Up:</b> +<a href="http://www.qhull.org">Home page for +Qhull</a> <br> +<b>Up:</b> <a href="../../html/index.htm#TOC">Qhull manual: Table of Contents</a> <br> +<b>Up:</b> <a href="../../html/qh-quick.htm#programs">Programs</a> +• <a href="../../html/qh-quick.htm#options">Options</a> +• <a href="../../html/qh-opto.htm#output">Output</a> +• <a href="../../html/qh-optf.htm#format">Formats</a> +• <a href="../../html/qh-optg.htm#geomview">Geomview</a> +• <a href="../../html/qh-optp.htm#print">Print</a> +• <a href="../../html/qh-optq.htm#qhull">Qhull</a> +• <a href="../../html/qh-optc.htm#prec">Precision</a> +• <a href="../../html/qh-optt.htm#trace">Trace</a> +• <a href="index.htm">Functions</a><br> +<b>Up:</b> <a href="../../html/qh-code.htm#TOC">Qhull code: Table of Contents</a> <br> +<b>To:</b> <a href="index.htm">Qhull functions</a>, macros, and data structures<br> +<b>To:</b> <a href="qh-geom_r.htm">Geom</a> • +<a href="qh-globa_r.htm">Global</a> • <a href="qh-io_r.htm">Io</a> +• <a href="qh-mem_r.htm">Mem</a> • <a href="qh-merge_r.htm">Merge</a> +• <a href="qh-poly_r.htm">Poly</a> • <a href="qh-qhull_r.htm#TOC">Qhull</a> +• <a href="qh-set_r.htm">Set</a> • <a href="qh-stat_r.htm">Stat</a> +• <a href="qh-user_r.htm">User</a><br> +</p> +<p><!-- GC common information --> </p> +<hr> +<p><a href="http://www.geom.uiuc.edu/"><img +src="../../html/qh--geom.gif" align="middle" width="40" height="40"></a><i>The +Geometry Center Home Page </i></p> +<p>Comments to: <a href=mailto:qhull@qhull.org>qhull@qhull.org</a> +</a><br> +Created: May 2, 1997 --- <!-- hhmts start --> Last modified: see top <!-- hhmts end --> </p> +</body> +</html> |