[BUGFIX][Processing][Rscript] Use CRS Parameter

Add support for CRS parameter to Rscript command.

python/plugins/processing/algs/r/RAlgorithm.py

@@ -43,6 +43,7 @@
 from processing.core.parameters import ParameterSelection
 from processing.core.parameters import ParameterTableField
 from processing.core.parameters import ParameterExtent
+from processing.core.parameters import ParameterCrs
 from processing.core.parameters import ParameterFile
 from processing.core.parameters import ParameterPoint
 from processing.core.outputs import OutputTable
@@ -200,6 +201,8 @@ def processParameterLine(self, line):
                 param = ParameterTableField(tokens[0], tokens[0], field)
         elif tokens[1].lower().strip() == 'extent':
             param = ParameterExtent(tokens[0], desc)
+        elif tokens[1].lower().strip() == 'crs':
+            param = ParameterCrs(tokens[0], desc)
         elif tokens[1].lower().strip() == 'point':
             param = ParameterPoint(tokens[0], desc)
         elif tokens[1].lower().strip() == 'file':
@@ -350,6 +353,8 @@ def getImportCommands(self):
                     commands.append(param.name + ' = extent(' + tokens[0] + ',' + tokens[2] + ',' + tokens[1] + ',' + tokens[3] + ')')
                 else:
                     commands.append(param.name + ' = NULL')
+            elif isinstance(param, ParameterCrs):
+                commands.append(param.name + ' = "' + param.value + '"')
             elif isinstance(param, (ParameterTableField, ParameterString,
                                     ParameterFile)):
                 commands.append(param.name + '="' + param.value + '"')