/**
* Takes a GEOMETRY and returns a GeoJson representation
*/
char *
lwgeom_to_geojson(const LWGEOM *geom, char *srs, int precision, int has_bbox)
{
int type = geom->type;
GBOX *bbox = NULL;
GBOX tmp;
if ( precision > OUT_MAX_DOUBLE_PRECISION ) precision = OUT_MAX_DOUBLE_PRECISION;
if (has_bbox)
{
/* Whether these are geography or geometry,
the GeoJSON expects a cartesian bounding box */
lwgeom_calculate_gbox_cartesian(geom, &tmp);
bbox = &tmp;
}
switch (type)
{
case POINTTYPE:
return asgeojson_point((LWPOINT*)geom, srs, bbox, precision);
case LINETYPE:
return asgeojson_line((LWLINE*)geom, srs, bbox, precision);
case POLYGONTYPE:
return asgeojson_poly((LWPOLY*)geom, srs, bbox, precision);
case MULTIPOINTTYPE:
return asgeojson_multipoint((LWMPOINT*)geom, srs, bbox, precision);
case MULTILINETYPE:
return asgeojson_multiline((LWMLINE*)geom, srs, bbox, precision);
case MULTIPOLYGONTYPE:
return asgeojson_multipolygon((LWMPOLY*)geom, srs, bbox, precision);
case COLLECTIONTYPE:
return asgeojson_collection((LWCOLLECTION*)geom, srs, bbox, precision);
default:
lwerror("lwgeom_to_geojson: '%s' geometry type not supported",
lwtype_name(type));
}
/* Never get here */
return NULL;
}
char*
geom_to_geojson(GEOSGeom geom, char *srs, int precision, int has_bbox)
{
int type = GEOSGeomTypeId(geom)+1;
bbox3D *bbox;
if ( precision > OUT_MAX_DOUBLE_PRECISION ) precision = OUT_MAX_DOUBLE_PRECISION;
if (has_bbox)
{
bbox3DFromGeos(&bbox, geom);
}
switch (type)
{
case wkbPoint_mdb:
return asgeojson_point(geom, srs, bbox, precision);
case wkbLineString_mdb:
return asgeojson_line(geom, srs, bbox, precision);
case wkbPolygon_mdb:
return asgeojson_poly(geom, srs, bbox, precision);
case wkbMultiPoint_mdb:
return asgeojson_multipoint(geom, srs, bbox, precision);
case wkbMultiLineString_mdb:
return asgeojson_multiline(geom, srs, bbox, precision);
case wkbMultiPolygon_mdb:
return asgeojson_multipolygon(geom, srs, bbox, precision);
case wkbGeometryCollection_mdb:
return asgeojson_collection(geom, srs, bbox, precision);
default:
assert(0);
return NULL;
}
return NULL;
}