| 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 |