rgb_to_ihs
Rgb to ihs
Image processing
https://www.whiteboxgeo.com/manual/wbw-user-manual/book/tool_help.html#rgb_to_ihs
QgsProcessingParameterRasterLayer|red1|Red (Raster)|None|True
QgsProcessingParameterRasterLayer|green2|Green (Raster)|None|True
QgsProcessingParameterRasterLayer|blue3|Blue (Raster)|None|True
QgsProcessingParameterRasterLayer|composite4|Composite (Raster)|None|True
QgsProcessingParameterRasterDestination|fnOutput0|Output intensity (Raster)|None|False
QgsProcessingParameterRasterDestination|fnOutput1|Output hue (Raster)|None|False
QgsProcessingParameterRasterDestination|fnOutput2|Output saturation (Raster)|None|False
