glcm_metrics            Calculates the GLCM Texture Metrics from a GLCM
glcm_textures           Calculates GLCM texture metrics of a Raster
                        Layer
glcm_textures_wholeimage
                        Calculates GLCM texture metrics of a Raster
                        Layer
make_glcm               Creates a symmetrical normalized GLCM for a
                        given matrix and shift
quantize_raster         Quantizes raster to a set number of discrete
                        levels
