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https://git.osgeo.org/gitea/postgis/postgis
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1341 lines
36 KiB
C
1341 lines
36 KiB
C
/**********************************************************************
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* $Id$
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*
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* PostGIS - Spatial Types for PostgreSQL
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* http://postgis.refractions.net
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* Copyright 2001-2003 Refractions Research Inc.
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* Copyright 2010 Oslandia
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU General Public Licence. See the COPYING file.
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*
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**********************************************************************/
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/**
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* @file GML output routines.
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*
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**********************************************************************/
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#include <string.h>
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#include <math.h> /* fabs */
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#include "liblwgeom.h"
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#include "liblwgeom.h"
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static size_t asgml2_point_size(LWPOINT *point, char *srs, int precision, const char *prefix);
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static char *asgml2_point(LWPOINT *point, char *srs, int precision, const char *prefix);
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static size_t asgml2_line_size(LWLINE *line, char *srs, int precision, const char *prefix);
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static char *asgml2_line(LWLINE *line, char *srs, int precision, const char *prefix);
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static size_t asgml2_poly_size(LWPOLY *poly, char *srs, int precision, const char *prefix);
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static char *asgml2_poly(LWPOLY *poly, char *srs, int precision, const char *prefix);
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static size_t asgml2_multi_size(LWGEOM_INSPECTED *geom, char *srs, int precision, const char *prefix);
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static char *asgml2_multi(LWGEOM_INSPECTED *geom, char *srs, int precision, const char *prefix);
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static size_t asgml2_collection_size(LWGEOM_INSPECTED *geom, char *srs, int precision, const char *prefix);
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static char *asgml2_collection(LWGEOM_INSPECTED *geom, char *srs, int precision, const char *prefix);
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static size_t pointArray_toGML2(POINTARRAY *pa, char *buf, int precision);
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static size_t asgml3_point_size(LWPOINT *point, char *srs, int precision, int is_dims, const char *prefix);
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static char *asgml3_point(LWPOINT *point, char *srs, int precision, int is_deegree, int is_dims, const char *prefix);
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static size_t asgml3_line_size(LWLINE *line, char *srs, int precision, int is_dims, const char *prefix);
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static char *asgml3_line(LWLINE *line, char *srs, int precision, int is_deegree, int is_dims, const char *prefix);
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static size_t asgml3_poly_size(LWPOLY *poly, char *srs, int precision, int is_dims, const char *prefix);
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static char *asgml3_poly(LWPOLY *poly, char *srs, int precision, int is_deegree, int is_dims, int is_patch, const char *prefix);
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static size_t asgml3_triangle_size(LWTRIANGLE *triangle, char *srs, int precision, int is_dims, const char *prefix);
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static char *asgml3_triangle(LWTRIANGLE *triangle, char *srs, int precision, int is_deegree, int is_dims, const char *prefix);
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static size_t asgml3_multi_size(LWGEOM_INSPECTED *geom, char *srs, int precision, int is_dims, const char *prefix);
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static char *asgml3_multi(LWGEOM_INSPECTED *geom, char *srs, int precision, int is_deegree, int is_dims, const char *prefix);
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static char *asgml3_psurface(LWGEOM_INSPECTED *insp, char *srs, int precision, int is_deegree, int is_dims, const char *prefix);
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static char *asgml3_tin(LWGEOM_INSPECTED *insp, char *srs, int precision, int is_deegree, int is_dims, const char *prefix);
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static size_t asgml3_collection_size(LWGEOM_INSPECTED *geom, char *srs, int precision, int is_dims, const char *prefix);
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static char *asgml3_collection(LWGEOM_INSPECTED *insp, char *srs, int precision, int is_deegree, int is_dims, const char *prefix);
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static size_t pointArray_toGML3(POINTARRAY *pa, char *buf, int precision, int is_deegree);
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static size_t pointArray_GMLsize(POINTARRAY *pa, int precision);
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/**
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* @brief VERSION GML 2
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* takes a GEOMETRY and returns a GML2 representation
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*/
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extern char *
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lwgeom_to_gml2(uchar *geom, char *srs, int precision, const char* prefix)
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{
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int type;
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LWPOINT *point;
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LWLINE *line;
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LWPOLY *poly;
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LWGEOM_INSPECTED *inspected;
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type = lwgeom_getType(geom[0]);
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switch (type)
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{
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case POINTTYPE:
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point = lwpoint_deserialize(geom);
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return asgml2_point(point, srs, precision, prefix);
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case LINETYPE:
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line = lwline_deserialize(geom);
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return asgml2_line(line, srs, precision, prefix);
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case POLYGONTYPE:
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poly = lwpoly_deserialize(geom);
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return asgml2_poly(poly, srs, precision, prefix);
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case MULTIPOINTTYPE:
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case MULTILINETYPE:
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case MULTIPOLYGONTYPE:
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inspected = lwgeom_inspect(geom);
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return asgml2_multi(inspected, srs, precision, prefix);
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case COLLECTIONTYPE:
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inspected = lwgeom_inspect(geom);
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return asgml2_collection(inspected, srs, precision, prefix);
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default:
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lwerror("lwgeom_to_gml2: '%s' geometry type not supported",
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lwtype_name(type));
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return NULL;
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}
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}
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static size_t
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asgml2_point_size(LWPOINT *point, char *srs, int precision, const char* prefix)
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{
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int size;
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size_t prefixlen = strlen(prefix);
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size = pointArray_GMLsize(point->point, precision);
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size += ( sizeof("<point><coordinates>/") + (prefixlen*2) ) * 2;
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if ( srs ) size += strlen(srs) + sizeof(" srsName=..");
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return size;
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}
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static size_t
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asgml2_point_buf(LWPOINT *point, char *srs, char *output, int precision, const char* prefix)
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{
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char *ptr = output;
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if ( srs )
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{
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ptr += sprintf(ptr, "<%sPoint srsName=\"%s\">", prefix, srs);
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}
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else
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{
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ptr += sprintf(ptr, "<%sPoint>", prefix);
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}
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ptr += sprintf(ptr, "<%scoordinates>", prefix);
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ptr += pointArray_toGML2(point->point, ptr, precision);
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ptr += sprintf(ptr, "</%scoordinates></%sPoint>", prefix, prefix);
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return (ptr-output);
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}
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static char *
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asgml2_point(LWPOINT *point, char *srs, int precision, const char *prefix)
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{
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char *output;
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int size;
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size = asgml2_point_size(point, srs, precision, prefix);
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output = lwalloc(size);
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asgml2_point_buf(point, srs, output, precision, prefix);
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return output;
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}
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static size_t
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asgml2_line_size(LWLINE *line, char *srs, int precision, const char *prefix)
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{
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int size;
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size_t prefixlen = strlen(prefix);
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size = pointArray_GMLsize(line->points, precision);
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size += ( sizeof("<linestring><coordinates>/") + (prefixlen*2) ) * 2;
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if ( srs ) size += strlen(srs) + sizeof(" srsName=..");
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return size;
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}
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static size_t
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asgml2_line_buf(LWLINE *line, char *srs, char *output, int precision,
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const char *prefix)
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{
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char *ptr=output;
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if ( srs )
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{
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ptr += sprintf(ptr, "<%sLineString srsName=\"%s\">", prefix, srs);
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}
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else
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{
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ptr += sprintf(ptr, "<%sLineString>", prefix);
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}
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ptr += sprintf(ptr, "<%scoordinates>", prefix);
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ptr += pointArray_toGML2(line->points, ptr, precision);
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ptr += sprintf(ptr, "</%scoordinates></%sLineString>", prefix, prefix);
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return (ptr-output);
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}
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static char *
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asgml2_line(LWLINE *line, char *srs, int precision, const char *prefix)
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{
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char *output;
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int size;
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size = asgml2_line_size(line, srs, precision, prefix);
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output = lwalloc(size);
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asgml2_line_buf(line, srs, output, precision, prefix);
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return output;
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}
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static size_t
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asgml2_poly_size(LWPOLY *poly, char *srs, int precision, const char *prefix)
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{
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size_t size;
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int i;
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size_t prefixlen = strlen(prefix);
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size = sizeof("<polygon></polygon>") + prefixlen*2;
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size += ( sizeof("<outerboundaryis><linearring><coordinates>/") + ( prefixlen*3) ) * 2;
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size += ( sizeof("<innerboundaryis><linearring><coordinates>/") + ( prefixlen*2) ) * 2 * poly->nrings;
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if ( srs ) size += strlen(srs) + sizeof(" srsName=..");
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for (i=0; i<poly->nrings; i++)
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size += pointArray_GMLsize(poly->rings[i], precision);
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return size;
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}
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static size_t
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asgml2_poly_buf(LWPOLY *poly, char *srs, char *output, int precision,
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const char *prefix)
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{
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int i;
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char *ptr=output;
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if ( srs )
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{
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ptr += sprintf(ptr, "<%sPolygon srsName=\"%s\">", prefix, srs);
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}
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else
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{
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ptr += sprintf(ptr, "<%sPolygon>", prefix);
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}
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ptr += sprintf(ptr, "<%souterBoundaryIs><%sLinearRing><%scoordinates>",
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prefix, prefix, prefix);
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ptr += pointArray_toGML2(poly->rings[0], ptr, precision);
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ptr += sprintf(ptr, "</%scoordinates></%sLinearRing></%souterBoundaryIs>", prefix, prefix, prefix);
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for (i=1; i<poly->nrings; i++)
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{
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ptr += sprintf(ptr, "<%sinnerBoundaryIs><%sLinearRing><%scoordinates>", prefix, prefix, prefix);
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ptr += pointArray_toGML2(poly->rings[i], ptr, precision);
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ptr += sprintf(ptr, "</%scoordinates></%sLinearRing></%sinnerBoundaryIs>", prefix, prefix, prefix);
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}
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ptr += sprintf(ptr, "</%sPolygon>", prefix);
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return (ptr-output);
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}
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static char *
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asgml2_poly(LWPOLY *poly, char *srs, int precision, const char *prefix)
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{
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char *output;
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int size;
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size = asgml2_poly_size(poly, srs, precision, prefix);
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output = lwalloc(size);
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asgml2_poly_buf(poly, srs, output, precision, prefix);
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return output;
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}
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/*
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* Compute max size required for GML version of this
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* inspected geometry. Will recurse when needed.
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* Don't call this with single-geoms inspected.
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*/
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static size_t
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asgml2_multi_size(LWGEOM_INSPECTED *insp, char *srs, int precision,
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const char *prefix)
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{
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int i;
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size_t size;
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size_t prefixlen = strlen(prefix);
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/* the longest possible multi version */
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size = sizeof("<MultiLineString></MultiLineString>");
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size += 2*prefixlen;
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if ( srs ) size += strlen(srs) + sizeof(" srsName=..");
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for (i=0; i<insp->ngeometries; i++)
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{
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LWPOINT *point;
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LWLINE *line;
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LWPOLY *poly;
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if ((point=lwgeom_getpoint_inspected(insp, i)))
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{
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size += ( sizeof("<pointMember>/") + prefixlen ) * 2;
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size += asgml2_point_size(point, 0, precision, prefix);
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lwpoint_release(point);
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}
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else if ((line=lwgeom_getline_inspected(insp, i)))
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{
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size += ( sizeof("<lineStringMember>/") + prefixlen ) * 2;
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size += asgml2_line_size(line, 0, precision, prefix);
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lwline_release(line);
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}
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else if ((poly=lwgeom_getpoly_inspected(insp, i)))
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{
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size += ( sizeof("<polygonMember>/") + prefixlen ) * 2;
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size += asgml2_poly_size(poly, 0, precision, prefix);
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lwpoly_release(poly);
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}
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}
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return size;
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}
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/*
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* Don't call this with single-geoms inspected!
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*/
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static size_t
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asgml2_multi_buf(LWGEOM_INSPECTED *insp, char *srs, char *output,
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int precision, const char *prefix)
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{
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int type = lwgeom_getType(insp->serialized_form[0]);
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char *ptr, *gmltype;
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int i;
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ptr = output;
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gmltype="";
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if (type == MULTIPOINTTYPE) gmltype = "MultiPoint";
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else if (type == MULTILINETYPE) gmltype = "MultiLineString";
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else if (type == MULTIPOLYGONTYPE) gmltype = "MultiPolygon";
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/* Open outmost tag */
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if ( srs )
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{
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ptr += sprintf(ptr, "<%s%s srsName=\"%s\">", prefix, gmltype, srs);
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}
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else
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{
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ptr += sprintf(ptr, "<%s%s>", prefix, gmltype);
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}
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for (i=0; i<insp->ngeometries; i++)
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{
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LWPOINT *point;
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LWLINE *line;
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LWPOLY *poly;
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if ((point=lwgeom_getpoint_inspected(insp, i)))
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{
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ptr += sprintf(ptr, "<%spointMember>", prefix);
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ptr += asgml2_point_buf(point, 0, ptr, precision, prefix);
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lwpoint_release(point);
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ptr += sprintf(ptr, "</%spointMember>", prefix);
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}
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else if ((line=lwgeom_getline_inspected(insp, i)))
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{
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ptr += sprintf(ptr, "<%slineStringMember>", prefix);
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ptr += asgml2_line_buf(line, 0, ptr, precision, prefix);
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lwline_release(line);
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ptr += sprintf(ptr, "</%slineStringMember>", prefix);
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}
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else if ((poly=lwgeom_getpoly_inspected(insp, i)))
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{
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ptr += sprintf(ptr, "<%spolygonMember>", prefix);
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ptr += asgml2_poly_buf(poly, 0, ptr, precision, prefix);
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lwpoly_release(poly);
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ptr += sprintf(ptr, "</%spolygonMember>", prefix);
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}
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}
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/* Close outmost tag */
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ptr += sprintf(ptr, "</%s%s>", prefix, gmltype);
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return (ptr-output);
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}
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/*
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* Don't call this with single-geoms inspected!
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*/
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static char *
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asgml2_multi(LWGEOM_INSPECTED *insp, char *srs, int precision,
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const char *prefix)
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{
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char *gml;
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size_t size;
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size = asgml2_multi_size(insp, srs, precision, prefix);
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gml = lwalloc(size);
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asgml2_multi_buf(insp, srs, gml, precision, prefix);
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return gml;
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}
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static size_t
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asgml2_collection_size(LWGEOM_INSPECTED *insp, char *srs, int precision,
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const char *prefix)
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{
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int i;
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size_t size;
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size_t prefixlen = strlen(prefix);
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size = sizeof("<MultiGeometry></MultiGeometry>");
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size += (prefixlen * 2);
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if ( srs ) size += strlen(srs) + sizeof(" srsName=..");
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for (i=0; i<insp->ngeometries; i++)
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{
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LWPOINT *point;
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LWLINE *line;
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LWPOLY *poly;
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LWGEOM_INSPECTED *subinsp;
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uchar *subgeom;
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size += ( sizeof("<geometryMember>/") + prefixlen ) * 2;
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if ((point=lwgeom_getpoint_inspected(insp, i)))
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{
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size += asgml2_point_size(point, 0, precision, prefix);
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lwpoint_release(point);
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}
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else if ((line=lwgeom_getline_inspected(insp, i)))
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{
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size += asgml2_line_size(line, 0, precision, prefix);
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lwline_release(line);
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}
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else if ((poly=lwgeom_getpoly_inspected(insp, i)))
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{
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size += asgml2_poly_size(poly, 0, precision, prefix);
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lwpoly_release(poly);
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}
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else
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{
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subgeom = lwgeom_getsubgeometry_inspected(insp, i);
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subinsp = lwgeom_inspect(subgeom);
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size += asgml2_collection_size(subinsp, 0, precision, prefix);
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lwinspected_release(subinsp);
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}
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}
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return size;
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}
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/*
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* Don't call this with single-geoms inspected!
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*/
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static size_t
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asgml2_collection_buf(LWGEOM_INSPECTED *insp, char *srs, char *output, int precision, const char *prefix)
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{
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char *ptr;
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int i;
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ptr = output;
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/* Open outmost tag */
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if ( srs )
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{
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ptr += sprintf(ptr, "<%sMultiGeometry srsName=\"%s\">", prefix, srs);
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}
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else
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{
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ptr += sprintf(ptr, "<%sMultiGeometry>", prefix);
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}
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for (i=0; i<insp->ngeometries; i++)
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{
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LWPOINT *point;
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LWLINE *line;
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LWPOLY *poly;
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LWGEOM_INSPECTED *subinsp;
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uchar *subgeom;
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ptr += sprintf(ptr, "<%sgeometryMember>", prefix);
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if ((point=lwgeom_getpoint_inspected(insp, i)))
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{
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ptr += asgml2_point_buf(point, 0, ptr, precision, prefix);
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lwpoint_release(point);
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}
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else if ((line=lwgeom_getline_inspected(insp, i)))
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{
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ptr += asgml2_line_buf(line, 0, ptr, precision, prefix);
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lwline_release(line);
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}
|
|
else if ((poly=lwgeom_getpoly_inspected(insp, i)))
|
|
{
|
|
ptr += asgml2_poly_buf(poly, 0, ptr, precision, prefix);
|
|
lwpoly_release(poly);
|
|
}
|
|
else
|
|
{
|
|
subgeom = lwgeom_getsubgeometry_inspected(insp, i);
|
|
subinsp = lwgeom_inspect(subgeom);
|
|
if (lwgeom_getType(subgeom[0]) == COLLECTIONTYPE)
|
|
ptr += asgml2_collection_buf(subinsp, 0, ptr, precision, prefix);
|
|
else
|
|
ptr += asgml2_multi_buf(subinsp, 0, ptr, precision, prefix);
|
|
lwinspected_release(subinsp);
|
|
}
|
|
ptr += sprintf(ptr, "</%sgeometryMember>", prefix);
|
|
}
|
|
|
|
/* Close outmost tag */
|
|
ptr += sprintf(ptr, "</%sMultiGeometry>", prefix);
|
|
|
|
return (ptr-output);
|
|
}
|
|
|
|
/*
|
|
* Don't call this with single-geoms inspected!
|
|
*/
|
|
static char *
|
|
asgml2_collection(LWGEOM_INSPECTED *insp, char *srs, int precision,
|
|
const char *prefix)
|
|
{
|
|
char *gml;
|
|
size_t size;
|
|
|
|
size = asgml2_collection_size(insp, srs, precision, prefix);
|
|
gml = lwalloc(size);
|
|
asgml2_collection_buf(insp, srs, gml, precision, prefix);
|
|
return gml;
|
|
}
|
|
|
|
|
|
static size_t
|
|
pointArray_toGML2(POINTARRAY *pa, char *output, int precision)
|
|
{
|
|
int i;
|
|
char *ptr;
|
|
char x[OUT_MAX_DIGS_DOUBLE+OUT_MAX_DOUBLE_PRECISION+1];
|
|
char y[OUT_MAX_DIGS_DOUBLE+OUT_MAX_DOUBLE_PRECISION+1];
|
|
char z[OUT_MAX_DIGS_DOUBLE+OUT_MAX_DOUBLE_PRECISION+1];
|
|
|
|
ptr = output;
|
|
|
|
if ( ! TYPE_HASZ(pa->dims) )
|
|
{
|
|
for (i=0; i<pa->npoints; i++)
|
|
{
|
|
POINT2D pt;
|
|
getPoint2d_p(pa, i, &pt);
|
|
|
|
if (fabs(pt.x) < OUT_MAX_DOUBLE)
|
|
sprintf(x, "%.*f", precision, pt.x);
|
|
else
|
|
sprintf(x, "%g", pt.x);
|
|
trim_trailing_zeros(x);
|
|
|
|
if (fabs(pt.y) < OUT_MAX_DOUBLE)
|
|
sprintf(y, "%.*f", precision, pt.y);
|
|
else
|
|
sprintf(y, "%g", pt.y);
|
|
trim_trailing_zeros(y);
|
|
|
|
if ( i ) ptr += sprintf(ptr, " ");
|
|
ptr += sprintf(ptr, "%s,%s", x, y);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i=0; i<pa->npoints; i++)
|
|
{
|
|
POINT4D pt;
|
|
getPoint4d_p(pa, i, &pt);
|
|
|
|
if (fabs(pt.x) < OUT_MAX_DOUBLE)
|
|
sprintf(x, "%.*f", precision, pt.x);
|
|
else
|
|
sprintf(x, "%g", pt.x);
|
|
trim_trailing_zeros(x);
|
|
|
|
if (fabs(pt.y) < OUT_MAX_DOUBLE)
|
|
sprintf(y, "%.*f", precision, pt.y);
|
|
else
|
|
sprintf(y, "%g", pt.y);
|
|
trim_trailing_zeros(y);
|
|
|
|
if (fabs(pt.z) < OUT_MAX_DOUBLE)
|
|
sprintf(z, "%.*f", precision, pt.z);
|
|
else
|
|
sprintf(z, "%g", pt.z);
|
|
trim_trailing_zeros(z);
|
|
|
|
if ( i ) ptr += sprintf(ptr, " ");
|
|
ptr += sprintf(ptr, "%s,%s,%s", x, y, z);
|
|
}
|
|
}
|
|
|
|
return ptr-output;
|
|
}
|
|
|
|
|
|
/*
|
|
* VERSION GML 3.1.1
|
|
*/
|
|
|
|
|
|
/* takes a GEOMETRY and returns a GML representation */
|
|
extern char *
|
|
lwgeom_to_gml3(uchar *geom, char *srs, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
int type;
|
|
LWPOINT *point;
|
|
LWLINE *line;
|
|
LWPOLY *poly;
|
|
LWTRIANGLE *triangle;
|
|
LWGEOM_INSPECTED *inspected;
|
|
|
|
type = lwgeom_getType(geom[0]);
|
|
|
|
switch (type)
|
|
{
|
|
case POINTTYPE:
|
|
point = lwpoint_deserialize(geom);
|
|
return asgml3_point(point, srs, precision, is_deegree, is_dims, prefix);
|
|
|
|
case LINETYPE:
|
|
line = lwline_deserialize(geom);
|
|
return asgml3_line(line, srs, precision, is_deegree, is_dims, prefix);
|
|
|
|
case POLYGONTYPE:
|
|
poly = lwpoly_deserialize(geom);
|
|
return asgml3_poly(poly, srs, precision, is_deegree, is_dims, 0, prefix);
|
|
|
|
case TRIANGLETYPE:
|
|
triangle = lwtriangle_deserialize(geom);
|
|
return asgml3_triangle(triangle, srs, precision, is_deegree, is_dims, prefix);
|
|
|
|
case MULTIPOINTTYPE:
|
|
case MULTILINETYPE:
|
|
case MULTIPOLYGONTYPE:
|
|
inspected = lwgeom_inspect(geom);
|
|
return asgml3_multi(inspected, srs, precision, is_deegree, is_dims, prefix);
|
|
|
|
case POLYHEDRALSURFACETYPE:
|
|
inspected = lwgeom_inspect(geom);
|
|
return asgml3_psurface(inspected, srs, precision, is_deegree, is_dims, prefix);
|
|
|
|
case TINTYPE:
|
|
inspected = lwgeom_inspect(geom);
|
|
return asgml3_tin(inspected, srs, precision, is_deegree, is_dims, prefix);
|
|
|
|
case COLLECTIONTYPE:
|
|
inspected = lwgeom_inspect(geom);
|
|
return asgml3_collection(inspected, srs, precision, is_deegree, is_dims, prefix);
|
|
|
|
default:
|
|
lwerror("lwgeom_to_gml3: '%s' geometry type not supported", lwtype_name(type));
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static size_t
|
|
asgml3_point_size(LWPOINT *point, char *srs, int precision, int is_dims, const char *prefix)
|
|
{
|
|
int size;
|
|
size_t prefixlen = strlen(prefix);
|
|
|
|
size = pointArray_GMLsize(point->point, precision);
|
|
size += ( sizeof("<point><pos>/") + (prefixlen*2) ) * 2;
|
|
if (srs) size += strlen(srs) + sizeof(" srsName=..");
|
|
if (is_dims) size += sizeof(" srsDimension='x'");
|
|
return size;
|
|
}
|
|
|
|
static size_t
|
|
asgml3_point_buf(LWPOINT *point, char *srs, char *output, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *ptr = output;
|
|
int dimension=2;
|
|
|
|
if (TYPE_HASZ(point->type)) dimension = 3;
|
|
if ( srs )
|
|
{
|
|
ptr += sprintf(ptr, "<%sPoint srsName=\"%s\">", prefix, srs);
|
|
}
|
|
else
|
|
{
|
|
ptr += sprintf(ptr, "<%sPoint>", prefix);
|
|
}
|
|
if (is_dims) ptr += sprintf(ptr, "<%spos srsDimension=\"%d\">", prefix, dimension);
|
|
else ptr += sprintf(ptr, "<%spos>", prefix);
|
|
ptr += pointArray_toGML3(point->point, ptr, precision, is_deegree);
|
|
ptr += sprintf(ptr, "</%spos></%sPoint>", prefix, prefix);
|
|
|
|
return (ptr-output);
|
|
}
|
|
|
|
static char *
|
|
asgml3_point(LWPOINT *point, char *srs, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *output;
|
|
int size;
|
|
|
|
size = asgml3_point_size(point, srs, precision, is_dims, prefix);
|
|
output = lwalloc(size);
|
|
asgml3_point_buf(point, srs, output, precision, is_deegree, is_dims, prefix);
|
|
return output;
|
|
}
|
|
|
|
|
|
static size_t
|
|
asgml3_line_size(LWLINE *line, char *srs, int precision, int is_dims, const char *prefix)
|
|
{
|
|
int size;
|
|
size_t prefixlen = strlen(prefix);
|
|
|
|
size = pointArray_GMLsize(line->points, precision);
|
|
size += ( sizeof("<Curve><segments><LineStringSegment><posList>/") + ( prefixlen * 4 ) ) * 2;
|
|
if (srs) size += strlen(srs) + sizeof(" srsName=..");
|
|
if (is_dims) size += sizeof(" srsDimension='x'");
|
|
return size;
|
|
}
|
|
|
|
static size_t
|
|
asgml3_line_buf(LWLINE *line, char *srs, char *output, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *ptr=output;
|
|
int dimension=2;
|
|
|
|
if (TYPE_HASZ(line->type)) dimension = 3;
|
|
if ( srs )
|
|
{
|
|
ptr += sprintf(ptr, "<%sCurve srsName=\"%s\">", prefix, srs);
|
|
}
|
|
else
|
|
{
|
|
ptr += sprintf(ptr, "<%sCurve>", prefix);
|
|
}
|
|
ptr += sprintf(ptr, "<%ssegments>", prefix);
|
|
ptr += sprintf(ptr, "<%sLineStringSegment>", prefix);
|
|
if (is_dims) ptr += sprintf(ptr, "<%sposList srsDimension=\"%d\">", prefix, dimension);
|
|
else ptr += sprintf(ptr, "<%sposList>", prefix);
|
|
ptr += pointArray_toGML3(line->points, ptr, precision, is_deegree);
|
|
ptr += sprintf(ptr, "</%sposList></%sLineStringSegment>", prefix, prefix);
|
|
ptr += sprintf(ptr, "</%ssegments>", prefix);
|
|
ptr += sprintf(ptr, "</%sCurve>", prefix);
|
|
|
|
return (ptr-output);
|
|
}
|
|
|
|
static char *
|
|
asgml3_line(LWLINE *line, char *srs, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *output;
|
|
int size;
|
|
|
|
size = asgml3_line_size(line, srs, precision, is_dims, prefix);
|
|
output = lwalloc(size);
|
|
asgml3_line_buf(line, srs, output, precision, is_deegree, is_dims, prefix);
|
|
return output;
|
|
}
|
|
|
|
|
|
static size_t
|
|
asgml3_poly_size(LWPOLY *poly, char *srs, int precision, int is_dims, const char *prefix)
|
|
{
|
|
size_t size;
|
|
size_t prefixlen = strlen(prefix);
|
|
int i;
|
|
|
|
size = ( sizeof("<PolygonPatch><exterior><LinearRing>///") + (prefixlen*3) ) * 2;
|
|
size += ( sizeof("<interior><LinearRing>//") + (prefixlen*2) ) * 2 * (poly->nrings - 1);
|
|
size += ( sizeof("<posList></posList>") + (prefixlen*2) ) * poly->nrings;
|
|
if (srs) size += strlen(srs) + sizeof(" srsName=..");
|
|
if (is_dims) size += sizeof(" srsDimension='x'") * poly->nrings;
|
|
|
|
for (i=0; i<poly->nrings; i++)
|
|
size += pointArray_GMLsize(poly->rings[i], precision);
|
|
|
|
return size;
|
|
}
|
|
|
|
static size_t
|
|
asgml3_poly_buf(LWPOLY *poly, char *srs, char *output, int precision, int is_deegree, int is_dims, int is_patch, const char *prefix)
|
|
{
|
|
int i;
|
|
char *ptr=output;
|
|
int dimension=2;
|
|
|
|
if (TYPE_HASZ(poly->type)) dimension = 3;
|
|
if (is_patch) {
|
|
if (srs) ptr += sprintf(ptr, "<%sPolygonPatch srsName=\"%s\">", prefix, srs);
|
|
else ptr += sprintf(ptr, "<%sPolygonPatch>", prefix);
|
|
} else {
|
|
if (srs) ptr += sprintf(ptr, "<%sPolygon srsName=\"%s\">", prefix, srs);
|
|
else ptr += sprintf(ptr, "<%sPolygon>", prefix);
|
|
}
|
|
|
|
ptr += sprintf(ptr, "<%sexterior><%sLinearRing>", prefix, prefix);
|
|
if (is_dims) ptr += sprintf(ptr, "<%sposList srsDimension=\"%d\">", prefix, dimension);
|
|
else ptr += sprintf(ptr, "<%sposList>", prefix);
|
|
|
|
ptr += pointArray_toGML3(poly->rings[0], ptr, precision, is_deegree);
|
|
ptr += sprintf(ptr, "</%sposList></%sLinearRing></%sexterior>",
|
|
prefix, prefix, prefix);
|
|
for (i=1; i<poly->nrings; i++)
|
|
{
|
|
ptr += sprintf(ptr, "<%sinterior><%sLinearRing>", prefix, prefix);
|
|
if (is_dims) ptr += sprintf(ptr, "<%sposList srsDimension=\"%d\">", prefix, dimension);
|
|
else ptr += sprintf(ptr, "<%sposList>", prefix);
|
|
ptr += pointArray_toGML3(poly->rings[i], ptr, precision, is_deegree);
|
|
ptr += sprintf(ptr, "</%sposList></%sLinearRing></%sinterior>",
|
|
prefix, prefix, prefix);
|
|
}
|
|
if (is_patch) ptr += sprintf(ptr, "</%sPolygonPatch>", prefix);
|
|
else ptr += sprintf(ptr, "</%sPolygon>", prefix);
|
|
|
|
return (ptr-output);
|
|
}
|
|
|
|
static char *
|
|
asgml3_poly(LWPOLY *poly, char *srs, int precision, int is_deegree, int is_dims, int is_patch, const char *prefix)
|
|
{
|
|
char *output;
|
|
int size;
|
|
|
|
size = asgml3_poly_size(poly, srs, precision, is_dims, prefix);
|
|
output = lwalloc(size);
|
|
asgml3_poly_buf(poly, srs, output, precision, is_deegree, is_dims, is_patch, prefix);
|
|
return output;
|
|
}
|
|
|
|
|
|
static size_t
|
|
asgml3_triangle_size(LWTRIANGLE *triangle, char *srs, int precision, int is_dims, const char *prefix)
|
|
{
|
|
size_t size;
|
|
size_t prefixlen = strlen(prefix);
|
|
|
|
size = ( sizeof("<Triangle><exterior><LinearRing>///") + (prefixlen*3) ) * 2;
|
|
size += sizeof("<posList></posList>") + (prefixlen*2);
|
|
if (srs) size += strlen(srs) + sizeof(" srsName=..");
|
|
if (is_dims) size += sizeof(" srsDimension='x'");
|
|
|
|
size += pointArray_GMLsize(triangle->points, precision);
|
|
|
|
return size;
|
|
}
|
|
|
|
static size_t
|
|
asgml3_triangle_buf(LWTRIANGLE *triangle, char *srs, char *output, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *ptr=output;
|
|
int dimension=2;
|
|
|
|
if (TYPE_HASZ(triangle->type)) dimension = 3;
|
|
if (srs) ptr += sprintf(ptr, "<%sTriangle srsName=\"%s\">", prefix, srs);
|
|
else ptr += sprintf(ptr, "<%sTriangle>", prefix);
|
|
|
|
ptr += sprintf(ptr, "<%sexterior><%sLinearRing>", prefix, prefix);
|
|
if (is_dims) ptr += sprintf(ptr, "<%sposList srsDimension=\"%d\">", prefix, dimension);
|
|
else ptr += sprintf(ptr, "<%sposList>", prefix);
|
|
|
|
ptr += pointArray_toGML3(triangle->points, ptr, precision, is_deegree);
|
|
ptr += sprintf(ptr, "</%sposList></%sLinearRing></%sexterior>",
|
|
prefix, prefix, prefix);
|
|
|
|
ptr += sprintf(ptr, "</%sTriangle>", prefix);
|
|
|
|
return (ptr-output);
|
|
}
|
|
|
|
static char *
|
|
asgml3_triangle(LWTRIANGLE *triangle, char *srs, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *output;
|
|
int size;
|
|
|
|
size = asgml3_triangle_size(triangle, srs, precision, is_dims, prefix);
|
|
output = lwalloc(size);
|
|
asgml3_triangle_buf(triangle, srs, output, precision, is_deegree, is_dims, prefix);
|
|
return output;
|
|
}
|
|
|
|
|
|
/*
|
|
* Compute max size required for GML version of this
|
|
* inspected geometry. Will recurse when needed.
|
|
* Don't call this with single-geoms inspected.
|
|
*/
|
|
static size_t
|
|
asgml3_multi_size(LWGEOM_INSPECTED *insp, char *srs, int precision, int is_dims, const char *prefix)
|
|
{
|
|
int i;
|
|
size_t size;
|
|
size_t prefixlen = strlen(prefix);
|
|
|
|
/* the longest possible multi version */
|
|
size = sizeof("<MultiLineString></MultiLineString>") + prefixlen*2;
|
|
|
|
if ( srs ) size += strlen(srs) + sizeof(" srsName=..");
|
|
|
|
for (i=0; i<insp->ngeometries; i++)
|
|
{
|
|
LWPOINT *point;
|
|
LWLINE *line;
|
|
LWPOLY *poly;
|
|
|
|
if ((point=lwgeom_getpoint_inspected(insp, i)))
|
|
{
|
|
size += ( sizeof("<pointMember>/") + prefixlen ) * 2;
|
|
size += asgml3_point_size(point, 0, precision, is_dims, prefix);
|
|
lwpoint_release(point);
|
|
}
|
|
else if ((line=lwgeom_getline_inspected(insp, i)))
|
|
{
|
|
size += ( sizeof("<curveMember>/") + prefixlen ) * 2;
|
|
size += asgml3_line_size(line, 0, precision, is_dims, prefix);
|
|
lwline_release(line);
|
|
}
|
|
else if ((poly=lwgeom_getpoly_inspected(insp, i)))
|
|
{
|
|
size += ( sizeof("<surfaceMember>/") + prefixlen ) * 2;
|
|
size += asgml3_poly_size(poly, 0, precision, is_dims, prefix);
|
|
lwpoly_release(poly);
|
|
}
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
/*
|
|
* Don't call this with single-geoms inspected!
|
|
*/
|
|
static size_t
|
|
asgml3_multi_buf(LWGEOM_INSPECTED *insp, char *srs, char *output, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
int type = lwgeom_getType(insp->serialized_form[0]);
|
|
char *ptr, *gmltype;
|
|
int i;
|
|
|
|
ptr = output;
|
|
gmltype="";
|
|
|
|
if (type == MULTIPOINTTYPE) gmltype = "MultiPoint";
|
|
else if (type == MULTILINETYPE) gmltype = "MultiCurve";
|
|
else if (type == MULTIPOLYGONTYPE) gmltype = "MultiSurface";
|
|
|
|
/* Open outmost tag */
|
|
if ( srs )
|
|
{
|
|
ptr += sprintf(ptr, "<%s%s srsName=\"%s\">", prefix, gmltype, srs);
|
|
}
|
|
else
|
|
{
|
|
ptr += sprintf(ptr, "<%s%s>", prefix, gmltype);
|
|
}
|
|
|
|
for (i=0; i<insp->ngeometries; i++)
|
|
{
|
|
LWPOINT *point;
|
|
LWLINE *line;
|
|
LWPOLY *poly;
|
|
|
|
if ((point=lwgeom_getpoint_inspected(insp, i)))
|
|
{
|
|
ptr += sprintf(ptr, "<%spointMember>", prefix);
|
|
ptr += asgml3_point_buf(point, 0, ptr, precision, is_deegree, is_dims, prefix);
|
|
lwpoint_release(point);
|
|
ptr += sprintf(ptr, "</%spointMember>", prefix);
|
|
}
|
|
else if ((line=lwgeom_getline_inspected(insp, i)))
|
|
{
|
|
ptr += sprintf(ptr, "<%scurveMember>", prefix);
|
|
ptr += asgml3_line_buf(line, 0, ptr, precision, is_deegree, is_dims, prefix);
|
|
lwline_release(line);
|
|
ptr += sprintf(ptr, "</%scurveMember>", prefix);
|
|
}
|
|
else if ((poly=lwgeom_getpoly_inspected(insp, i)))
|
|
{
|
|
ptr += sprintf(ptr, "<%ssurfaceMember>", prefix);
|
|
ptr += asgml3_poly_buf(poly, 0, ptr, precision, is_deegree, is_dims, 0, prefix);
|
|
lwpoly_release(poly);
|
|
ptr += sprintf(ptr, "</%ssurfaceMember>", prefix);
|
|
}
|
|
}
|
|
|
|
/* Close outmost tag */
|
|
ptr += sprintf(ptr, "</%s%s>", prefix, gmltype);
|
|
|
|
return (ptr-output);
|
|
}
|
|
|
|
/*
|
|
* Don't call this with single-geoms inspected!
|
|
*/
|
|
static char *
|
|
asgml3_multi(LWGEOM_INSPECTED *insp, char *srs, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *gml;
|
|
size_t size;
|
|
|
|
size = asgml3_multi_size(insp, srs, precision, is_dims, prefix);
|
|
gml = lwalloc(size);
|
|
asgml3_multi_buf(insp, srs, gml, precision, is_deegree, is_dims, prefix);
|
|
return gml;
|
|
}
|
|
|
|
|
|
static size_t
|
|
asgml3_psurface_size(LWGEOM_INSPECTED *insp, char *srs, int precision, int is_dims, const char *prefix)
|
|
{
|
|
int i;
|
|
size_t size;
|
|
size_t prefixlen = strlen(prefix);
|
|
LWPOLY *poly;
|
|
|
|
size = (sizeof("<PolyhedralSurface><polygonPatches>/") + prefixlen*2) * 2;
|
|
if ( srs ) size += strlen(srs) + sizeof(" srsName=..");
|
|
|
|
for (i=0; i<insp->ngeometries; i++)
|
|
{
|
|
poly=lwgeom_getpoly_inspected(insp, i);
|
|
size += asgml3_poly_size(poly, 0, precision, is_dims, prefix);
|
|
lwpoly_release(poly);
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
|
|
/*
|
|
* Don't call this with single-geoms inspected!
|
|
*/
|
|
static size_t
|
|
asgml3_psurface_buf(LWGEOM_INSPECTED *insp, char *srs, char *output, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *ptr;
|
|
int i;
|
|
|
|
ptr = output;
|
|
|
|
/* Open outmost tag */
|
|
if (srs) ptr += sprintf(ptr, "<%sPolyhedralSurface srsName=\"%s\"><%spolygonPatches>",
|
|
prefix, srs, prefix);
|
|
else ptr += sprintf(ptr, "<%sPolyhedralSurface><%spolygonPatches>",
|
|
prefix, prefix);
|
|
|
|
for (i=0; i<insp->ngeometries; i++)
|
|
{
|
|
LWPOLY *poly;
|
|
|
|
poly=lwgeom_getpoly_inspected(insp, i);
|
|
ptr += asgml3_poly_buf(poly, 0, ptr, precision, is_deegree, is_dims, 1, prefix);
|
|
lwpoly_release(poly);
|
|
}
|
|
|
|
/* Close outmost tag */
|
|
ptr += sprintf(ptr, "</%spolygonPatches></%sPolyhedralSurface>",
|
|
prefix, prefix);
|
|
|
|
return (ptr-output);
|
|
}
|
|
|
|
/*
|
|
* Don't call this with single-geoms inspected!
|
|
*/
|
|
static char *
|
|
asgml3_psurface(LWGEOM_INSPECTED *insp, char *srs, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *gml;
|
|
size_t size;
|
|
|
|
size = asgml3_psurface_size(insp, srs, precision, is_dims, prefix);
|
|
gml = lwalloc(size);
|
|
asgml3_psurface_buf(insp, srs, gml, precision, is_deegree, is_dims, prefix);
|
|
return gml;
|
|
}
|
|
|
|
|
|
static size_t
|
|
asgml3_tin_size(LWGEOM_INSPECTED *insp, char *srs, int precision, int is_dims, const char *prefix)
|
|
{
|
|
int i;
|
|
size_t size;
|
|
size_t prefixlen = strlen(prefix);
|
|
LWTRIANGLE *triangle;
|
|
|
|
size = (sizeof("<Tin><trianglePatches>/") + prefixlen*2) * 2;
|
|
if ( srs ) size += strlen(srs) + sizeof(" srsName=..");
|
|
|
|
for (i=0; i<insp->ngeometries; i++)
|
|
{
|
|
triangle=lwgeom_gettriangle_inspected(insp, i);
|
|
size += asgml3_triangle_size(triangle, 0, precision, is_dims, prefix);
|
|
lwtriangle_release(triangle);
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
|
|
/*
|
|
* Don't call this with single-geoms inspected!
|
|
*/
|
|
static size_t
|
|
asgml3_tin_buf(LWGEOM_INSPECTED *insp, char *srs, char *output, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *ptr;
|
|
int i;
|
|
|
|
ptr = output;
|
|
|
|
/* Open outmost tag */
|
|
if (srs) ptr += sprintf(ptr, "<%sTin srsName=\"%s\"><%strianglePatches>",
|
|
prefix, srs, prefix);
|
|
else ptr += sprintf(ptr, "<%sTin><%strianglePatches>",
|
|
prefix, prefix);
|
|
|
|
for (i=0; i<insp->ngeometries; i++)
|
|
{
|
|
LWTRIANGLE *triangle;
|
|
|
|
triangle = lwgeom_gettriangle_inspected(insp, i);
|
|
ptr += asgml3_triangle_buf(triangle, 0, ptr, precision,
|
|
is_deegree, is_dims, prefix);
|
|
lwtriangle_release(triangle);
|
|
}
|
|
|
|
/* Close outmost tag */
|
|
ptr += sprintf(ptr, "</%strianglePatches></%sTin>", prefix, prefix);
|
|
|
|
return (ptr-output);
|
|
}
|
|
|
|
/*
|
|
* Don't call this with single-geoms inspected!
|
|
*/
|
|
static char *
|
|
asgml3_tin(LWGEOM_INSPECTED *insp, char *srs, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *gml;
|
|
size_t size;
|
|
|
|
size = asgml3_tin_size(insp, srs, precision, is_dims, prefix);
|
|
gml = lwalloc(size);
|
|
asgml3_tin_buf(insp, srs, gml, precision, is_deegree, is_dims, prefix);
|
|
return gml;
|
|
}
|
|
|
|
static size_t
|
|
asgml3_collection_size(LWGEOM_INSPECTED *insp, char *srs, int precision, int is_dims, const char *prefix)
|
|
{
|
|
int i;
|
|
size_t size;
|
|
size_t prefixlen = strlen(prefix);
|
|
|
|
size = sizeof("<MultiGeometry></MultiGeometry>") + prefixlen*2;
|
|
|
|
if ( srs ) size += strlen(srs) + sizeof(" srsName=..");
|
|
|
|
for (i=0; i<insp->ngeometries; i++)
|
|
{
|
|
LWPOINT *point;
|
|
LWLINE *line;
|
|
LWPOLY *poly;
|
|
LWGEOM_INSPECTED *subinsp;
|
|
uchar *subgeom;
|
|
|
|
size += ( sizeof("<geometryMember>/") + prefixlen ) * 2;
|
|
if ((point=lwgeom_getpoint_inspected(insp, i)))
|
|
{
|
|
size += asgml3_point_size(point, 0, precision, is_dims, prefix);
|
|
lwpoint_release(point);
|
|
}
|
|
else if ((line=lwgeom_getline_inspected(insp, i)))
|
|
{
|
|
size += asgml3_line_size(line, 0, precision, is_dims, prefix);
|
|
lwline_release(line);
|
|
}
|
|
else if ((poly=lwgeom_getpoly_inspected(insp, i)))
|
|
{
|
|
size += asgml3_poly_size(poly, 0, precision, is_dims, prefix);
|
|
lwpoly_release(poly);
|
|
}
|
|
else
|
|
{
|
|
subgeom = lwgeom_getsubgeometry_inspected(insp, i);
|
|
subinsp = lwgeom_inspect(subgeom);
|
|
size += asgml3_multi_size(subinsp, 0, precision, is_dims, prefix);
|
|
lwinspected_release(subinsp);
|
|
}
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
static size_t
|
|
asgml3_collection_buf(LWGEOM_INSPECTED *insp, char *srs, char *output, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *ptr;
|
|
int i;
|
|
|
|
ptr = output;
|
|
|
|
/* Open outmost tag */
|
|
if ( srs )
|
|
{
|
|
ptr += sprintf(ptr, "<%sMultiGeometry srsName=\"%s\">", prefix, srs);
|
|
}
|
|
else
|
|
{
|
|
ptr += sprintf(ptr, "<%sMultiGeometry>", prefix);
|
|
}
|
|
|
|
for (i=0; i<insp->ngeometries; i++)
|
|
{
|
|
LWPOINT *point;
|
|
LWLINE *line;
|
|
LWPOLY *poly;
|
|
LWGEOM_INSPECTED *subinsp;
|
|
uchar *subgeom;
|
|
|
|
ptr += sprintf(ptr, "<%sgeometryMember>", prefix);
|
|
if ((point=lwgeom_getpoint_inspected(insp, i)))
|
|
{
|
|
ptr += asgml3_point_buf(point, 0, ptr, precision, is_deegree, is_dims, prefix);
|
|
lwpoint_release(point);
|
|
}
|
|
else if ((line=lwgeom_getline_inspected(insp, i)))
|
|
{
|
|
ptr += asgml3_line_buf(line, 0, ptr, precision, is_deegree, is_dims, prefix);
|
|
lwline_release(line);
|
|
}
|
|
else if ((poly=lwgeom_getpoly_inspected(insp, i)))
|
|
{
|
|
ptr += asgml3_poly_buf(poly, 0, ptr, precision, is_deegree, is_dims, 0, prefix);
|
|
lwpoly_release(poly);
|
|
}
|
|
else
|
|
{
|
|
subgeom = lwgeom_getsubgeometry_inspected(insp, i);
|
|
subinsp = lwgeom_inspect(subgeom);
|
|
if (lwgeom_getType(subgeom[0]) == COLLECTIONTYPE)
|
|
ptr += asgml3_collection_buf(subinsp, 0, ptr, precision, is_deegree, is_dims, prefix);
|
|
else
|
|
ptr += asgml3_multi_buf(subinsp, 0, ptr, precision, is_deegree, is_dims, prefix);
|
|
lwinspected_release(subinsp);
|
|
}
|
|
ptr += sprintf(ptr, "</%sgeometryMember>", prefix);
|
|
}
|
|
|
|
/* Close outmost tag */
|
|
ptr += sprintf(ptr, "</%sMultiGeometry>", prefix);
|
|
|
|
return (ptr-output);
|
|
}
|
|
|
|
/*
|
|
* Don't call this with single-geoms inspected!
|
|
*/
|
|
static char *
|
|
asgml3_collection(LWGEOM_INSPECTED *insp, char *srs, int precision, int is_deegree, int is_dims, const char *prefix)
|
|
{
|
|
char *gml;
|
|
size_t size;
|
|
|
|
size = asgml3_collection_size(insp, srs, precision, is_dims, prefix);
|
|
gml = lwalloc(size);
|
|
asgml3_collection_buf(insp, srs, gml, precision, is_deegree, is_dims, prefix);
|
|
return gml;
|
|
}
|
|
|
|
|
|
/* In GML3, inside <posList> or <pos>, coordinates are separated by a space separator
|
|
* In GML3 also, lat/lon are reversed for geocentric data
|
|
*/
|
|
static size_t
|
|
pointArray_toGML3(POINTARRAY *pa, char *output, int precision, int is_deegree)
|
|
{
|
|
int i;
|
|
char *ptr;
|
|
char x[OUT_MAX_DIGS_DOUBLE+OUT_MAX_DOUBLE_PRECISION+1];
|
|
char y[OUT_MAX_DIGS_DOUBLE+OUT_MAX_DOUBLE_PRECISION+1];
|
|
char z[OUT_MAX_DIGS_DOUBLE+OUT_MAX_DOUBLE_PRECISION+1];
|
|
|
|
ptr = output;
|
|
|
|
if ( ! TYPE_HASZ(pa->dims) )
|
|
{
|
|
for (i=0; i<pa->npoints; i++)
|
|
{
|
|
POINT2D pt;
|
|
getPoint2d_p(pa, i, &pt);
|
|
|
|
if (fabs(pt.x) < OUT_MAX_DOUBLE)
|
|
sprintf(x, "%.*f", precision, pt.x);
|
|
else
|
|
sprintf(x, "%g", pt.x);
|
|
trim_trailing_zeros(x);
|
|
|
|
if (fabs(pt.y) < OUT_MAX_DOUBLE)
|
|
sprintf(y, "%.*f", precision, pt.y);
|
|
else
|
|
sprintf(y, "%g", pt.y);
|
|
trim_trailing_zeros(y);
|
|
|
|
if ( i ) ptr += sprintf(ptr, " ");
|
|
if (is_deegree)
|
|
ptr += sprintf(ptr, "%s %s", y, x);
|
|
else
|
|
ptr += sprintf(ptr, "%s %s", x, y);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i=0; i<pa->npoints; i++)
|
|
{
|
|
POINT4D pt;
|
|
getPoint4d_p(pa, i, &pt);
|
|
|
|
if (fabs(pt.x) < OUT_MAX_DOUBLE)
|
|
sprintf(x, "%.*f", precision, pt.x);
|
|
else
|
|
sprintf(x, "%g", pt.x);
|
|
trim_trailing_zeros(x);
|
|
|
|
if (fabs(pt.y) < OUT_MAX_DOUBLE)
|
|
sprintf(y, "%.*f", precision, pt.y);
|
|
else
|
|
sprintf(y, "%g", pt.y);
|
|
trim_trailing_zeros(y);
|
|
|
|
if (fabs(pt.z) < OUT_MAX_DOUBLE)
|
|
sprintf(z, "%.*f", precision, pt.z);
|
|
else
|
|
sprintf(z, "%g", pt.z);
|
|
trim_trailing_zeros(z);
|
|
|
|
if ( i ) ptr += sprintf(ptr, " ");
|
|
if (is_deegree)
|
|
ptr += sprintf(ptr, "%s %s %s", y, x, z);
|
|
else
|
|
ptr += sprintf(ptr, "%s %s %s", x, y, z);
|
|
}
|
|
}
|
|
|
|
return ptr-output;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Returns maximum size of rendered pointarray in bytes.
|
|
*/
|
|
static size_t
|
|
pointArray_GMLsize(POINTARRAY *pa, int precision)
|
|
{
|
|
if (TYPE_NDIMS(pa->dims) == 2)
|
|
return (OUT_MAX_DIGS_DOUBLE + precision + sizeof(", "))
|
|
* 2 * pa->npoints;
|
|
|
|
return (OUT_MAX_DIGS_DOUBLE + precision + sizeof(", ")) * 3 * pa->npoints;
|
|
}
|