MyOGRHandler(const std::string& driver_name, const std::string& filename) {
OGRRegisterAll();
OGRSFDriver* driver = OGRSFDriverRegistrar::GetRegistrar()->GetDriverByName(driver_name.c_str());
if (!driver) {
std::cerr << driver_name << " driver not available.\n";
exit(1);
}
CPLSetConfigOption("OGR_SQLITE_SYNCHRONOUS", "FALSE");
const char* options[] = { "SPATIALITE=TRUE", nullptr };
m_data_source = driver->CreateDataSource(filename.c_str(), const_cast<char**>(options));
if (!m_data_source) {
std::cerr << "Creation of output file failed.\n";
exit(1);
}
OGRSpatialReference sparef;
sparef.importFromProj4(m_factory.proj_string().c_str());
m_layer_point = m_data_source->CreateLayer("postboxes", &sparef, wkbPoint, nullptr);
if (!m_layer_point) {
std::cerr << "Layer creation failed.\n";
exit(1);
}
OGRFieldDefn layer_point_field_id("id", OFTReal);
layer_point_field_id.SetWidth(10);
if (m_layer_point->CreateField(&layer_point_field_id) != OGRERR_NONE) {
std::cerr << "Creating id field failed.\n";
exit(1);
}
OGRFieldDefn layer_point_field_operator("operator", OFTString);
layer_point_field_operator.SetWidth(30);
if (m_layer_point->CreateField(&layer_point_field_operator) != OGRERR_NONE) {
std::cerr << "Creating operator field failed.\n";
exit(1);
}
/* Transactions might make things faster, then again they might not.
Feel free to experiment and benchmark and report back. */
m_layer_point->StartTransaction();
m_layer_linestring = m_data_source->CreateLayer("roads", &sparef, wkbLineString, nullptr);
if (!m_layer_linestring) {
std::cerr << "Layer creation failed.\n";
exit(1);
}
OGRFieldDefn layer_linestring_field_id("id", OFTReal);
layer_linestring_field_id.SetWidth(10);
if (m_layer_linestring->CreateField(&layer_linestring_field_id) != OGRERR_NONE) {
std::cerr << "Creating id field failed.\n";
exit(1);
}
OGRFieldDefn layer_linestring_field_type("type", OFTString);
layer_linestring_field_type.SetWidth(30);
if (m_layer_linestring->CreateField(&layer_linestring_field_type) != OGRERR_NONE) {
std::cerr << "Creating type field failed.\n";
exit(1);
}
m_layer_linestring->StartTransaction();
m_layer_polygon = m_data_source->CreateLayer("buildings", &sparef, wkbMultiPolygon, nullptr);
if (!m_layer_polygon) {
std::cerr << "Layer creation failed.\n";
exit(1);
}
OGRFieldDefn layer_polygon_field_id("id", OFTInteger);
layer_polygon_field_id.SetWidth(10);
if (m_layer_polygon->CreateField(&layer_polygon_field_id) != OGRERR_NONE) {
std::cerr << "Creating id field failed.\n";
exit(1);
}
OGRFieldDefn layer_polygon_field_type("type", OFTString);
layer_polygon_field_type.SetWidth(30);
if (m_layer_polygon->CreateField(&layer_polygon_field_type) != OGRERR_NONE) {
std::cerr << "Creating type field failed.\n";
exit(1);
}
m_layer_polygon->StartTransaction();
}
TestHandler(OGRDataSource* data_source) :
m_data_source(data_source),
m_out("multipolygon-tests.json") {
OGRSpatialReference sparef;
sparef.SetWellKnownGeogCS("WGS84");
/**************/
m_layer_point = m_data_source->CreateLayer("points", &sparef, wkbPoint, nullptr);
if (!m_layer_point) {
std::cerr << "Layer creation failed.\n";
exit(1);
}
OGRFieldDefn layer_point_field_id("id", OFTReal);
layer_point_field_id.SetWidth(10);
if (m_layer_point->CreateField(&layer_point_field_id) != OGRERR_NONE) {
std::cerr << "Creating id field failed.\n";
exit(1);
}
OGRFieldDefn layer_point_field_type("type", OFTString);
layer_point_field_type.SetWidth(30);
if (m_layer_point->CreateField(&layer_point_field_type) != OGRERR_NONE) {
std::cerr << "Creating type field failed.\n";
exit(1);
}
/**************/
m_layer_linestring = m_data_source->CreateLayer("lines", &sparef, wkbLineString, nullptr);
if (!m_layer_linestring) {
std::cerr << "Layer creation failed.\n";
exit(1);
}
OGRFieldDefn layer_linestring_field_id("id", OFTReal);
layer_linestring_field_id.SetWidth(10);
if (m_layer_linestring->CreateField(&layer_linestring_field_id) != OGRERR_NONE) {
std::cerr << "Creating id field failed.\n";
exit(1);
}
OGRFieldDefn layer_linestring_field_type("type", OFTString);
layer_linestring_field_type.SetWidth(30);
if (m_layer_linestring->CreateField(&layer_linestring_field_type) != OGRERR_NONE) {
std::cerr << "Creating type field failed.\n";
exit(1);
}
/**************/
m_layer_polygon = m_data_source->CreateLayer("multipolygons", &sparef, wkbMultiPolygon, nullptr);
if (!m_layer_polygon) {
std::cerr << "Layer creation failed.\n";
exit(1);
}
OGRFieldDefn layer_polygon_field_id("id", OFTInteger);
layer_polygon_field_id.SetWidth(10);
if (m_layer_polygon->CreateField(&layer_polygon_field_id) != OGRERR_NONE) {
std::cerr << "Creating id field failed.\n";
exit(1);
}
OGRFieldDefn layer_polygon_field_from_type("from_type", OFTString);
layer_polygon_field_from_type.SetWidth(1);
if (m_layer_polygon->CreateField(&layer_polygon_field_from_type) != OGRERR_NONE) {
std::cerr << "Creating from_type field failed.\n";
exit(1);
}
}
