asgeojson_multipolygon_buf()

static size_t asgeojson_multipolygon_buf ( const LWMPOLY *  mpoly, char *  srs, char *  output, GBOX *  bbox, int  precision  )

static

Definition at line 489 of file lwout_geojson.c.

References asgeojson_bbox_buf(), asgeojson_srs_buf(), LWMPOLY::flags, FLAGS_GET_Z, LWMPOLY::geoms, LWMPOLY::ngeoms, LWPOLY::nrings, pointArray_to_geojson(), and LWPOLY::rings.

Referenced by asgeojson_geom_buf(), and asgeojson_multipolygon().

{
        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);
}

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