mapnik::geometry::polygon<double> geowave_featureset::create_polygon(Polygon polygon)
{
mapnik::geometry::polygon<double> polygon_out;
// handle exterior ring
{
LineString geom = polygon.getExteriorRing();
mapnik::geometry::linear_ring<double> linear_ring;
for (int point_idx = geom.getNumPoints()-1; point_idx >= 0; --point_idx)
{
Coordinate coord = geom.getPointN(point_idx).getCoordinate();
linear_ring.add_coord(coord.x(), coord.y());
}
if (geom.isClosed())
{
Coordinate coord = geom.getPointN(geom.getNumPoints()-1).getCoordinate();
linear_ring.add_coord(coord.x(), coord.y());
}
polygon_out.set_exterior_ring(std::move(linear_ring));
}
// handle interior rings
{
for (int ring_idx = 0; ring_idx < polygon.getNumInteriorRing(); ++ring_idx)
{
LineString geom = polygon.getInteriorRingN(ring_idx);
mapnik::geometry::linear_ring<double> linear_ring;
for (int point_idx = geom.getNumPoints()-1; point_idx >= 0; --point_idx)
{
Coordinate coord = geom.getPointN(point_idx).getCoordinate();
linear_ring.add_coord(coord.x(), coord.y());
}
if (geom.isClosed())
{
Coordinate coord = geom.getPointN(geom.getNumPoints()-1).getCoordinate();
linear_ring.add_coord(coord.x(), coord.y());
}
polygon_out.add_hole(std::move(linear_ring));
}
}
return polygon_out;
}
bool MultiLineString::isClosed() const {
if (isEmpty()) {
return false;
}
for (size_t i = 0, n = geometries->size(); i < n; ++i) {
LineString *ls = dynamic_cast<LineString*>((*geometries)[i]);
if ( ! ls->isClosed() ) {
return false;
}
}
return true;
}
mapnik::geometry::line_string<double> geowave_featureset::create_line_string(LineString line_string)
{
mapnik::geometry::line_string<double> line_string_out;
for (int point_idx = line_string.getNumPoints()-1; point_idx >= 0; --point_idx)
{
Coordinate coord = line_string.getPointN(point_idx).getCoordinate();
line_string_out.add_coord(coord.x(), coord.y());
}
if (line_string.isClosed())
{
Coordinate coord = line_string.getPointN(line_string.getNumPoints()-1).getCoordinate();
line_string_out.add_coord(coord.x(), coord.y());
}
return line_string_out;
}
