i.atcorr Performs atmospheric correction using the 6S algorithm. Imagery (i.*) QgsProcessingParameterRasterLayer|input|Name of input raster map|None|False QgsProcessingParameterRange|range|Input imagery range [0,255]|QgsProcessingParameterNumber.Integer|0,255|True QgsProcessingParameterRasterLayer|elevation|Input altitude raster map in m (optional)|None|True QgsProcessingParameterRasterLayer|visibility|Input visibility raster map in km (optional)|None|True QgsProcessingParameterFile|parameters|Name of input text file|QgsProcessingParameterFile.File|txt|None|False QgsProcessingParameterRange|rescale|Rescale output raster map [0,255]|QgsProcessingParameterNumber.Integer|0,255|True QgsProcessingParameterRasterDestination|output|Atmospheric correction *QgsProcessingParameterBoolean|-i|Output raster map as integer|False *QgsProcessingParameterBoolean|-r|Input raster map converted to reflectance (default is radiance)|False *QgsProcessingParameterBoolean|-a|Input from ETM+ image taken after July 1, 2000|False *QgsProcessingParameterBoolean|-b|Input from ETM+ image taken before July 1, 2000|False