C++ (Cpp) asgeojson_geom_buf Beispiele

Beispiel #1

Datei: geom_geojson.c Projekt: NLeSC/3D_geospatial_risk_management

    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);
}

Beispiel #2

Datei: lwout_geojson.c Projekt: NianYue/pipelinedb

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);
}