r.out.ascii
Export a raster layer into a GRASS ASCII text file
Raster (r.*)
QgsProcessingParameterRasterLayer|input|Input raster|None|False
QgsProcessingParameterNumber|precision|Number of significant digits|QgsProcessingParameterNumber.Integer|None|True|0|None
QgsProcessingParameterNumber|width|Number of values printed before wrapping a line (only SURFER or MODFLOW format)|QgsProcessingParameterNumber.Integer|None|True|0|None
QgsProcessingParameterString|null_value|String to represent null cell (GRASS grid only)|*|False|True
*QgsProcessingParameterBoolean|-s|Write SURFER (Golden Software) ASCII grid|False|True
*QgsProcessingParameterBoolean|-m|Write MODFLOW (USGS) ASCII array|False|True
*QgsProcessingParameterBoolean|-i|Force output of integer values|False|True
QgsProcessingParameterFileDestination|output|GRASS Ascii|Txt files (*.txt)|None|False