C++ (Cpp) pointArray_to_geojson Examples

Example #1

File: lwout_geojson.c Project: NianYue/pipelinedb

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);
}

Example #2

File: lwout_geojson.c Project: NianYue/pipelinedb

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);
}

Example #3

File: lwout_geojson.c Project: NianYue/pipelinedb

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);
}

Example #4

File: lwout_geojson.c Project: JeremyGrosser/postgis

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);
}

Example #5

File: lwout_geojson.c Project: NianYue/pipelinedb

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);
}

Example #6

File: lwout_geojson.c Project: NianYue/pipelinedb

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);
}