Improve input detection and add new algorithms

python/plugins/processing/algs/grass7/Grass7Algorithm.py

@@ -194,6 +194,7 @@ def defineCharacteristicsFromFile(self):
             line = lines.readline().strip('\n').strip()
             self._group = QCoreApplication.translate("GrassAlgorithm", line)
             hasRasterOutput = False
+            hasRasterInput = False
             hasVectorInput = False
             vectorOutputs = False
             # Then you have parameters/output definition
@@ -208,9 +209,13 @@ def defineCharacteristicsFromFile(self):
                         self.params.append(parameter)
                         if isinstance(parameter, QgsProcessingParameterVectorLayer):
                             hasVectorInput = True
-                        elif isinstance(parameter, QgsProcessingParameterMultipleLayers) \
-                                and parameter.layerType() < 3:
-                            hasVectorInput = True
+                        elif isinstance(parameter, QgsProcessingParameterRasterLayer):
+                            hasRasterInput = True
+                        elif isinstance(parameter, QgsProcessingParameterMultipleLayers):
+                            if parameter.layerType() < 3 or parameter.layerType() == 5:
+                                hasVectorInput = True
+                            elif parameter.layerType() == 3:
+                                hasRasterInput = True
                         elif isinstance(parameter, QgsProcessingParameterVectorDestination):
                             vectorOutputs = True
                         elif isinstance(parameter, QgsProcessingParameterRasterDestination):
@@ -228,7 +233,7 @@ def defineCharacteristicsFromFile(self):
         param.setFlags(param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
         self.params.append(param)
 
-        if hasRasterOutput:
+        if hasRasterOutput or hasRasterInput:
             # Add a cellsize parameter
             param = QgsProcessingParameterNumber(
                 self.GRASS_REGION_CELLSIZE_PARAMETER,
@@ -239,6 +244,7 @@ def defineCharacteristicsFromFile(self):
             param.setFlags(param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
             self.params.append(param)
 
+        if hasRasterOutput:
             # Add a createopt parameter for format export
             param = QgsProcessingParameterString(
                 self.GRASS_RASTER_FORMAT_OPT,

python/plugins/processing/algs/grass7/description/r.out.ascii.txt

@@ -0,0 +1,11 @@
+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|2|False|0|None
+QgsProcessingParameterNumber|width|Number of values printed before wrapping a line (only SURFER or MODFLOW format)|QgsProcessingParameterNumber.Integer|None|False|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

python/plugins/processing/algs/grass7/description/r.out.mpeg.txt

@@ -1,9 +1,9 @@
 r.out.mpeg
 Converts raster map series to MPEG movie
 Raster (r.*)
-QgsProcessingParameterMultipleLayers|view1|Name of input raster map(s) for view no.1|5|None|False
-QgsProcessingParameterMultipleLayers|view2|Name of input raster map(s) for view no.2|5|None|True
-QgsProcessingParameterMultipleLayers|view3|Name of input raster map(s) for view no.3|5|None|True
-QgsProcessingParameterMultipleLayers|view4|Name of input raster map(s) for view no.4|5|None|True
+QgsProcessingParameterMultipleLayers|view1|Name of input raster map(s) for view no.1|3|None|False
+QgsProcessingParameterMultipleLayers|view2|Name of input raster map(s) for view no.2|3|None|True
+QgsProcessingParameterMultipleLayers|view3|Name of input raster map(s) for view no.3|3|None|True
+QgsProcessingParameterMultipleLayers|view4|Name of input raster map(s) for view no.4|3|None|True
 QgsProcessingParameterNumber|quality|Quality factor (1 = highest quality, lowest compression)|QgsProcessingParameterNumber.Integer|3|True|1|5
 QgsProcessingParameterFileDestination|output|MPEG file|MPEG files (*.mpeg;*.mpg)|None|False

python/plugins/processing/algs/grass7/description/r.out.png.txt

@@ -0,0 +1,8 @@
+r.out.png
+Export a GRASS raster map as a non-georeferenced PNG image
+Raster (r.*)
+QgsProcessingParameterRasterLayer|input|Input raster|None|False
+QgsProcessingParameterNumber|compression|Compression level of PNG file (0 = none, 1 = fastest, 9 = best)|QgsProcessingParameterNumber.Integer|6|True|0|9
+*QgsProcessingParameterBoolean|-t|Make NULL cells transparent|False|True
+*QgsProcessingParameterBoolean|-w|Output world file|False|True
+QgsProcessingParameterFileDestination|output|PNG File|PNG files (*.png)|None|False

python/plugins/processing/algs/grass7/description/r.out.xyz.txt

@@ -0,0 +1,7 @@
+r.out.xyz
+Exports a raster map to a text file as x,y,z values based on cell centers
+Raster (r.*)
+QgsProcessingParameterMultipleLayers|input|Input raster(s)|3|None|False
+QgsProcessingParameterString|separator|Field separator|pipe|False|True
+*QgsProcessingParameterBoolean|-i|Include no data values|False|True
+QgsProcessingParameterFileDestination|output|XYZ File|XYZ files (*.xyz *.txt)|None|False