static size_t
asgeojson_multipolygon_buf(GEOSGeom mpoly, char *srs, char *output, bbox3D *bbox, int precision)
{
GEOSGeom poly;
int i, j, ngeoms = GEOSGetNumGeometries(mpoly);
char *ptr=output;
ptr += sprintf(ptr, "{\"type\":\"MultiPolygon\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (bbox) ptr += asgeojson_bbox_buf(ptr, bbox, GEOS_getWKBOutputDims(mpoly) == 3, precision);
ptr += sprintf(ptr, "\"coordinates\":[");
for (i=0; i<ngeoms; i++)
{
int nrings;
if (i) ptr += sprintf(ptr, ",");
ptr += sprintf(ptr, "[");
poly = (GEOSGeom ) GEOSGetGeometryN(mpoly, i);
nrings = GEOSGetNumInteriorRings(poly);
for (j=0 ; j < nrings ; j++)
{
if (j) ptr += sprintf(ptr, ",");
ptr += sprintf(ptr, "[");
ptr += points_to_geojson(*(GEOSGeom*)GEOSGetInteriorRingN(poly, j), ptr, precision);
ptr += sprintf(ptr, "]");
}
ptr += sprintf(ptr, "]");
}
ptr += sprintf(ptr, "]}");
return (ptr - output);
}
static size_t
asgeojson_multipolygon_buf(const LWMPOLY *mpoly, char *srs, char *output, GBOX *bbox, int precision)
{
LWPOLY *poly;
int i, j;
char *ptr=output;
ptr += sprintf(ptr, "{\"type\":\"MultiPolygon\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (bbox) ptr += asgeojson_bbox_buf(ptr, bbox, FLAGS_GET_Z(mpoly->flags), precision);
ptr += sprintf(ptr, "\"coordinates\":[");
for (i=0; i<mpoly->ngeoms; i++)
{
if (i) ptr += sprintf(ptr, ",");
ptr += sprintf(ptr, "[");
poly = mpoly->geoms[i];
for (j=0 ; j < poly->nrings ; j++)
{
if (j) ptr += sprintf(ptr, ",");
ptr += sprintf(ptr, "[");
ptr += pointArray_to_geojson(poly->rings[j], ptr, precision);
ptr += sprintf(ptr, "]");
}
ptr += sprintf(ptr, "]");
}
ptr += sprintf(ptr, "]}");
return (ptr - output);
}
static size_t
asgeojson_multiline_buf(GEOSGeom mline, char *srs, char *output, bbox3D *bbox, int precision)
{
GEOSGeom line;
int i, ngeoms = GEOSGetNumGeometries(mline);
char *ptr=output;
ptr += sprintf(ptr, "{\"type\":\"MultiLineString\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (bbox) ptr += asgeojson_bbox_buf(ptr, bbox, GEOS_getWKBOutputDims(mline) == 3, precision);
ptr += sprintf(ptr, "\"coordinates\":[");
for (i=0; i<ngeoms; i++)
{
if (i) ptr += sprintf(ptr, ",");
ptr += sprintf(ptr, "[");
line = (GEOSGeom ) GEOSGetGeometryN(mline, i);
ptr += points_to_geojson(line, ptr, precision);
ptr += sprintf(ptr, "]");
}
ptr += sprintf(ptr, "]}");
return (ptr - output);
}
static size_t
asgeojson_multiline_buf(const LWMLINE *mline, char *srs, char *output, GBOX *bbox, int precision)
{
LWLINE *line;
int i;
char *ptr=output;
ptr += sprintf(ptr, "{\"type\":\"MultiLineString\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (bbox) ptr += asgeojson_bbox_buf(ptr, bbox, FLAGS_GET_Z(mline->flags), precision);
ptr += sprintf(ptr, "\"coordinates\":[");
for (i=0; i<mline->ngeoms; i++)
{
if (i) ptr += sprintf(ptr, ",");
ptr += sprintf(ptr, "[");
line = mline->geoms[i];
ptr += pointArray_to_geojson(line->points, ptr, precision);
ptr += sprintf(ptr, "]");
}
ptr += sprintf(ptr, "]}");
return (ptr - output);
}
static size_t
asgeojson_line_buf(GEOSGeom line, char *srs, char *output, bbox3D *bbox, int precision)
{
char *ptr=output;
ptr += sprintf(ptr, "{\"type\":\"LineString\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (bbox) ptr += asgeojson_bbox_buf(ptr, bbox, GEOS_getWKBOutputDims(line) == 3, precision);
ptr += sprintf(ptr, "\"coordinates\":[");
ptr += points_to_geojson(line, ptr, precision);
ptr += sprintf(ptr, "]}");
return (ptr-output);
}
static size_t
asgeojson_line_buf(const LWLINE *line, char *srs, char *output, GBOX *bbox, int precision)
{
char *ptr=output;
ptr += sprintf(ptr, "{\"type\":\"LineString\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (bbox) ptr += asgeojson_bbox_buf(ptr, bbox, FLAGS_GET_Z(line->flags), precision);
ptr += sprintf(ptr, "\"coordinates\":[");
ptr += pointArray_to_geojson(line->points, ptr, precision);
ptr += sprintf(ptr, "]}");
return (ptr-output);
}
static size_t
asgeojson_point_buf(const LWPOINT *point, char *srs, char *output, GBOX *bbox, int precision)
{
char *ptr = output;
ptr += sprintf(ptr, "{\"type\":\"Point\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (bbox) ptr += asgeojson_bbox_buf(ptr, bbox, FLAGS_GET_Z(point->flags), precision);
ptr += sprintf(ptr, "\"coordinates\":");
ptr += pointArray_to_geojson(point->point, ptr, precision);
ptr += sprintf(ptr, "}");
return (ptr-output);
}
static size_t
asgeojson_point_buf(GEOSGeom point, char *srs, char *output, bbox3D *bbox, int precision)
{
char *ptr = output;
ptr += sprintf(ptr, "{\"type\":\"Point\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (bbox) ptr += asgeojson_bbox_buf(ptr, bbox, GEOS_getWKBOutputDims(point) == 3, precision);
ptr += sprintf(ptr, "\"coordinates\":");
if ( GEOSisEmpty(point) == 1 )
ptr += sprintf(ptr, "[]");
ptr += points_to_geojson(point, ptr, precision);
ptr += sprintf(ptr, "}");
return (ptr-output);
}
static size_t
asgeojson_poly_buf(GEOSGeom poly, char *srs, char *output, bbox3D *bbox, int precision)
{
int i, nrings = GEOSGetNumInteriorRings(poly);
char *ptr=output;
ptr += sprintf(ptr, "{\"type\":\"Polygon\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (bbox) ptr += asgeojson_bbox_buf(ptr, bbox, GEOS_getWKBOutputDims(poly) == 3, precision);
ptr += sprintf(ptr, "\"coordinates\":[");
for (i=0; i<nrings; i++)
{
if (i) ptr += sprintf(ptr, ",");
ptr += sprintf(ptr, "[");
ptr += points_to_geojson(*(GEOSGeom*) GEOSGetInteriorRingN(poly, i), ptr, precision);
ptr += sprintf(ptr, "]");
}
ptr += sprintf(ptr, "]}");
return (ptr-output);
}
static size_t
asgeojson_poly_buf(const LWPOLY *poly, char *srs, char *output, GBOX *bbox, int precision)
{
int i;
char *ptr=output;
ptr += sprintf(ptr, "{\"type\":\"Polygon\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (bbox) ptr += asgeojson_bbox_buf(ptr, bbox, FLAGS_GET_Z(poly->flags), precision);
ptr += sprintf(ptr, "\"coordinates\":[");
for (i=0; i<poly->nrings; i++)
{
if (i) ptr += sprintf(ptr, ",");
ptr += sprintf(ptr, "[");
ptr += pointArray_to_geojson(poly->rings[i], ptr, precision);
ptr += sprintf(ptr, "]");
}
ptr += sprintf(ptr, "]}");
return (ptr-output);
}
static size_t
asgeojson_multipoint_buf(const LWMPOINT *mpoint, char *srs, char *output, GBOX *bbox, int precision)
{
LWPOINT *point;
int i;
char *ptr=output;
ptr += sprintf(ptr, "{\"type\":\"MultiPoint\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (bbox) ptr += asgeojson_bbox_buf(ptr, bbox, FLAGS_GET_Z(mpoint->flags), precision);
ptr += sprintf(ptr, "\"coordinates\":[");
for (i=0; i<mpoint->ngeoms; i++)
{
if (i) ptr += sprintf(ptr, ",");
point = mpoint->geoms[i];
ptr += pointArray_to_geojson(point->point, ptr, precision);
}
ptr += sprintf(ptr, "]}");
return (ptr - output);
}
static size_t
asgeojson_collection_buf(GEOSGeom col, char *srs, char *output, bbox3D *bbox, int precision)
{
int i, ngeoms = GEOSGetNumGeometries(col);
char *ptr=output;
GEOSGeom subgeom;
ptr += sprintf(ptr, "{\"type\":\"GeometryCollection\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (ngeoms && bbox) ptr += asgeojson_bbox_buf(ptr, bbox, GEOS_getWKBOutputDims(col) == 3, precision);
ptr += sprintf(ptr, "\"geometries\":[");
for (i=0; i<ngeoms; i++)
{
if (i) ptr += sprintf(ptr, ",");
subgeom = (GEOSGeom ) GEOSGetGeometryN(col, i);
ptr += asgeojson_geom_buf(subgeom, ptr, NULL, precision);
}
ptr += sprintf(ptr, "]}");
return (ptr - output);
}
static size_t
asgeojson_collection_buf(const LWCOLLECTION *col, char *srs, char *output, GBOX *bbox, int precision)
{
int i;
char *ptr=output;
LWGEOM *subgeom;
ptr += sprintf(ptr, "{\"type\":\"GeometryCollection\",");
if (srs) ptr += asgeojson_srs_buf(ptr, srs);
if (col->ngeoms && bbox) ptr += asgeojson_bbox_buf(ptr, bbox, FLAGS_GET_Z(col->flags), precision);
ptr += sprintf(ptr, "\"geometries\":[");
for (i=0; i<col->ngeoms; i++)
{
if (i) ptr += sprintf(ptr, ",");
subgeom = col->geoms[i];
ptr += asgeojson_geom_buf(subgeom, ptr, NULL, precision);
}
ptr += sprintf(ptr, "]}");
return (ptr - output);
}