C++ (Cpp) OGRGeometry::Buffer примеры использования

Пример #1

Файл: ogrsqlitesqlfunctions.cpp Проект: rashadkm/lib_gdal

static
void OGR2SQLITE_ST_Buffer(sqlite3_context* pContext,
                          int argc, sqlite3_value** argv)
{
    int nSRSId = -1;
    OGRGeometry* poGeom = OGR2SQLITE_GetGeom(pContext, argc, argv, &nSRSId);
    int bGotVal;
    double dfDist = OGR2SQLITE_GetValAsDouble(argv[1], &bGotVal);
    if( poGeom != NULL && bGotVal )
        OGR2SQLITE_SetGeom_AndDestroy(pContext, poGeom->Buffer(dfDist), nSRSId);
    else
        sqlite3_result_null(pContext);
    delete poGeom;
}