void ogr_converter::convert_polygon(OGRPolygon* geom, feature_ptr feature)
{
OGRLinearRing* exterior = geom->getExteriorRing();
int num_points = exterior->getNumPoints();
int num_interior = geom->getNumInteriorRings();
int capacity = 0;
for (int r = 0; r < num_interior; r++)
{
OGRLinearRing* interior = geom->getInteriorRing(r);
capacity += interior->getNumPoints();
}
geometry_type* poly = new geometry_type(mapnik::Polygon);
poly->move_to(exterior->getX(0), exterior->getY(0));
for (int i = 1; i < num_points; ++i)
{
poly->line_to(exterior->getX(i), exterior->getY(i));
}
for (int r = 0; r < num_interior; r++)
{
OGRLinearRing* interior = geom->getInteriorRing(r);
num_points = interior->getNumPoints();
poly->move_to(interior->getX(0), interior->getY(0));
for (int i = 1; i < num_points; ++i)
{
poly->line_to(interior->getX(i), interior->getY(i));
}
}
feature->add_geometry(poly);
}
void ogr_converter::convert_linestring(OGRLineString* geom, feature_ptr feature)
{
int num_points = geom->getNumPoints();
geometry_type* line = new geometry_type(mapnik::LineString);
line->move_to(geom->getX(0), geom->getY(0));
for (int i = 1; i < num_points; ++i)
{
line->line_to (geom->getX(i), geom->getY(i));
}
feature->add_geometry(line);
}
void occi_featureset::convert_geometry(SDOGeometry* geom, feature_ptr feature)
{
int gtype = (int)geom->getSdo_gtype();
int dimensions = gtype / 1000;
int lrsvalue = (gtype - dimensions * 1000) / 100;
int geomtype = (gtype - dimensions * 1000 - lrsvalue * 100);
const std::vector<Number>& elem_info = geom->getSdo_elem_info();
const std::vector<Number>& ordinates = geom->getSdo_ordinates();
const int ordinates_size = (int)ordinates.size();
switch (geomtype)
{
case SDO_GTYPE_POINT:
{
SDOPointType* sdopoint = geom->getSdo_point();
if (sdopoint && ! sdopoint->isNull())
{
std::unique_ptr<geometry_type> point = std::make_unique<geometry_type>(mapnik::geometry_type::types::Point);
point->move_to(sdopoint->getX(), sdopoint->getY());
feature->add_geometry(point.release());
}
}
break;
case SDO_GTYPE_LINE:
{
if (ordinates_size >= dimensions)
{
const bool is_single_geom = true;
const bool is_point_type = false;
convert_ordinates(feature,
mapnik::geometry_type::types::LineString,
elem_info,
ordinates,
dimensions,
is_single_geom,
is_point_type);
}
}
break;
case SDO_GTYPE_POLYGON:
{
if (ordinates_size >= dimensions)
{
const bool is_single_geom = true;
const bool is_point_type = false;
convert_ordinates(feature,
mapnik::geometry_type::types::Polygon,
elem_info,
ordinates,
dimensions,
is_single_geom,
is_point_type);
}
}
break;
case SDO_GTYPE_MULTIPOINT:
{
if (ordinates_size >= dimensions)
{
const bool is_single_geom = false;
const bool is_point_type = true;
convert_ordinates(feature,
mapnik::geometry_type::types::Point,
elem_info,
ordinates,
dimensions,
is_single_geom,
is_point_type);
}
}
break;
case SDO_GTYPE_MULTILINE:
{
if (ordinates_size >= dimensions)
{
const bool is_single_geom = false;
const bool is_point_type = false;
convert_ordinates(feature,
mapnik::geometry_type::types::LineString,
elem_info,
ordinates,
dimensions,
is_single_geom,
is_point_type);
}
}
break;
case SDO_GTYPE_MULTIPOLYGON:
{
if (ordinates_size >= dimensions)
{
const bool is_single_geom = false;
const bool is_point_type = false;
convert_ordinates(feature,
mapnik::geometry_type::types::Polygon,
elem_info,
ordinates,
dimensions,
is_single_geom,
is_point_type);
}
}
break;
case SDO_GTYPE_COLLECTION:
{
if (ordinates_size >= dimensions)
{
const bool is_single_geom = false;
const bool is_point_type = false;
convert_ordinates(feature,
mapnik::geometry_type::types::Polygon,
elem_info,
ordinates,
dimensions,
is_single_geom,
is_point_type);
}
}
break;
case SDO_GTYPE_UNKNOWN:
default:
{
MAPNIK_LOG_WARN(occi) << "occi_featureset: Unknown oracle enum "
<< occi_enums::resolve_gtype(geomtype)
<< "(gtype=" << gtype << ")";
}
break;
}
}
void ogr_converter::convert_point(OGRPoint* geom, feature_ptr feature)
{
geometry_type * point = new geometry_type(mapnik::Point);
point->move_to(geom->getX(), geom->getY());
feature->add_geometry(point);
}