get_dem_color      36 samples/cpp/tutorial_code/HighGUI/GDAL_IO/gdal-image.cpp cv::Vec3b get_dem_color( const double& );
get_dem_color     217 samples/cpp/tutorial_code/HighGUI/GDAL_IO/gdal-image.cpp         cv::Vec3b actualColor = get_dem_color(dz);