C++ (Cpp) wgs84 Examples

Example #1

File: mdal_gdal.cpp Project: FERRATON/QGIS

void MDAL::DriverGdal::createMesh()
{
  Vertices vertices( meshGDALDataset()->mNPoints );
  bool is_longitude_shifted = initVertices( vertices );

  Faces faces( meshGDALDataset()->mNVolumes );
  initFaces( vertices, faces, is_longitude_shifted );

  mMesh.reset( new MemoryMesh(
                 name(),
                 vertices.size(),
                 faces.size(),
                 4, //maximum quads
                 computeExtent( vertices ),
                 mFileName
               )
             );
  mMesh->vertices = vertices;
  mMesh->faces = faces;
  bool proj_added = addSrcProj();
  if ( ( !proj_added ) && is_longitude_shifted )
  {
    std::string wgs84( "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs" );
    mMesh->setSourceCrs( wgs84 );
  }
}

Example #2

File: MapReprojector.cpp Project: giserh/hootenanny

Coordinate MapReprojector::reprojectFromWgs84(const Coordinate& c,
                                     shared_ptr<OGRSpatialReference> srs)
{
  shared_ptr<OGRSpatialReference> wgs84(new OGRSpatialReference());
  wgs84->importFromEPSG(4326);

  return reproject(c, wgs84, srs);
}

Example #3

File: OsmApiDbReader.cpp Project: andyneff/hootenanny

boost::shared_ptr<OGRSpatialReference> OsmApiDbReader::getProjection() const
{
  boost::shared_ptr<OGRSpatialReference> wgs84(new OGRSpatialReference());
  if (wgs84->SetWellKnownGeogCS("WGS84") != OGRERR_NONE)
  {
    throw HootException("Error creating EPSG:4326 projection.");
  }

  return wgs84;
}

Example #4

File: Conflator.cpp Project: giserh/hootenanny

void Conflator::_saveMap(QString path)
{
  LOG_INFO("Writing debug .osm file..." << path.toStdString());

  shared_ptr<OsmMap> wgs84(new OsmMap(_map));
  MapReprojector::reprojectToWgs84(wgs84);
  OsmWriter writer;
  writer.setIncludeHootInfo(true);
  writer.setIncludeIds(true);
  writer.write(wgs84, path);
}

Example #5

File: mdal_gdal.cpp Project: AlisterH/Quantum-GIS

void MDAL::LoaderGdal::createMesh()
{
  Vertices vertices( meshGDALDataset()->mNPoints );
  bool is_longitude_shifted = initVertices( vertices );

  Faces faces( meshGDALDataset()->mNVolumes );
  initFaces( vertices, faces, is_longitude_shifted );

  mMesh.reset( new Mesh() );
  mMesh->vertices = vertices;
  mMesh->faces = faces;
  bool proj_added = addSrcProj();
  if ( ( !proj_added ) && is_longitude_shifted )
  {
    std::string wgs84( "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs" );
    mMesh->setSourceCrs( wgs84 );
  }
}