[processing][gdal] Fix conversion of non-EPSG crs parameters

to GDAL compatible strings

(cherry-picked from 0d52045)

python/plugins/processing/algs/gdal/AssignProjection.py

@@ -80,11 +80,11 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
         inLayer = self.parameterAsRasterLayer(parameters, self.INPUT, context)
         fileName = inLayer.source()
 
-        crs = self.parameterAsCrs(parameters, self.CRS, context).authid()
+        crs = self.parameterAsCrs(parameters, self.CRS, context)
 
         arguments = []
         arguments.append('-a_srs')
-        arguments.append(crs)
+        arguments.append(GdalUtils.gdal_crs_string(crs))
 
         arguments.append(fileName)
 

python/plugins/processing/algs/gdal/GdalUtils.py

@@ -37,6 +37,7 @@
 
 from qgis.core import (Qgis,
                        QgsApplication,
+                       QgsCoordinateReferenceSystem,
                        QgsVectorFileWriter,
                        QgsProcessingFeedback,
                        QgsProcessingUtils,
@@ -411,3 +412,17 @@ def writeLayerParameterToTextFile(filename, alg, parameters, parameter_name, con
                         layers.append(l.source())
                 f.write('\n'.join(layers))
         return listFile
+
+    @staticmethod
+    def gdal_crs_string(crs: QgsCoordinateReferenceSystem) -> str:
+        """
+        Converts a QgsCoordinateReferenceSystem to a string understandable
+        by GDAL
+        :param crs: crs to convert
+        :return: gdal friendly string
+        """
+        if crs.authid().upper().startswith('EPSG:'):
+            return crs.authid()
+
+        # fallback to proj4 string
+        return crs.toProj4()

python/plugins/processing/algs/gdal/OgrToPostGis.py

@@ -190,9 +190,9 @@ def getConnectionString(self, parameters, context):
     def getConsoleCommands(self, parameters, context, feedback, executing=True):
         ogrLayer, layername = self.getOgrCompatibleSource(self.INPUT, parameters, context, feedback, executing)
         shapeEncoding = self.parameterAsString(parameters, self.SHAPE_ENCODING, context)
-        ssrs = self.parameterAsCrs(parameters, self.S_SRS, context).authid()
-        tsrs = self.parameterAsCrs(parameters, self.T_SRS, context).authid()
-        asrs = self.parameterAsCrs(parameters, self.A_SRS, context).authid()
+        ssrs = self.parameterAsCrs(parameters, self.S_SRS, context)
+        tsrs = self.parameterAsCrs(parameters, self.T_SRS, context)
+        asrs = self.parameterAsCrs(parameters, self.A_SRS, context)
         table = self.parameterAsString(parameters, self.TABLE, context)
         schema = self.parameterAsString(parameters, self.SCHEMA, context)
         pk = self.parameterAsString(parameters, self.PK, context)
@@ -261,15 +261,15 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
             table = '{}.{}'.format(schema, table)
         arguments.append('-nln')
         arguments.append(table)
-        if len(ssrs) > 0:
+        if ssrs.isValid():
             arguments.append('-s_srs')
-            arguments.append(ssrs)
-        if len(tsrs) > 0:
+            arguments.append(GdalUtils.gdal_crs_string(ssrs))
+        if tsrs.isValid():
             arguments.append('-t_srs')
-            arguments.append(tsrs)
-        if len(asrs) > 0:
+            arguments.append(GdalUtils.gdal_crs_string(tsrs))
+        if asrs.isValid():
             arguments.append('-a_srs')
-            arguments.append(asrs)
+            arguments.append(GdalUtils.gdal_crs_string(asrs))
         if not spat.isNull():
             arguments.append('-spat')
             arguments.append(spat.xMinimum())

python/plugins/processing/algs/gdal/gdal2tiles.py

@@ -187,7 +187,7 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
         crs = self.parameterAsCrs(parameters, self.SOURCE_CRS, context)
         if crs.isValid():
             arguments.append('-s')
-            arguments.append(crs.authid())
+            arguments.append(GdalUtils.gdal_crs_string(crs))
 
         if self.NODATA in parameters and parameters[self.NODATA] is not None:
             nodata = self.parameterAsDouble(parameters, self.NODATA, context)

python/plugins/processing/algs/gdal/gdaltindex.py

@@ -153,7 +153,8 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
             arguments.append('-src_srs_format {}'.format(self.modes[crs_format][1]))
 
         if target_crs.isValid():
-            arguments.append('-t_srs {}'.format(target_crs.authid()))
+            arguments.append('-t_srs')
+            arguments.append(GdalUtils.gdal_crs_string(target_crs))
 
         if outFormat:
             arguments.append('-f {}'.format(outFormat))

python/plugins/processing/algs/gdal/ogr2ogrtopostgislist.py

@@ -188,9 +188,9 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
 
         ogrLayer, layername = self.getOgrCompatibleSource(self.INPUT, parameters, context, feedback, executing)
         shapeEncoding = self.parameterAsString(parameters, self.SHAPE_ENCODING, context)
-        ssrs = self.parameterAsCrs(parameters, self.S_SRS, context).authid()
-        tsrs = self.parameterAsCrs(parameters, self.T_SRS, context).authid()
-        asrs = self.parameterAsCrs(parameters, self.A_SRS, context).authid()
+        ssrs = self.parameterAsCrs(parameters, self.S_SRS, context)
+        tsrs = self.parameterAsCrs(parameters, self.T_SRS, context)
+        asrs = self.parameterAsCrs(parameters, self.A_SRS, context)
         table = self.parameterAsString(parameters, self.TABLE, context)
         schema = self.parameterAsString(parameters, self.SCHEMA, context)
         pk = self.parameterAsString(parameters, self.PK, context)
@@ -261,15 +261,15 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
             table = '{}.{}'.format(schema, table)
         arguments.append('-nln')
         arguments.append(table)
-        if len(ssrs) > 0:
+        if ssrs.isValid():
             arguments.append('-s_srs')
-            arguments.append(ssrs)
-        if len(tsrs) > 0:
+            arguments.append(GdalUtils.gdal_crs_string(ssrs))
+        if tsrs.isValid():
             arguments.append('-t_srs')
-            arguments.append(tsrs)
-        if len(asrs) > 0:
+            arguments.append(GdalUtils.gdal_crs_string(tsrs))
+        if asrs.isValid():
             arguments.append('-a_srs')
-            arguments.append(asrs)
+            arguments.append(GdalUtils.gdal_crs_string(asrs))
         if not spat.isNull():
             arguments.append('-spat')
             arguments.append(spat.xMinimum())

python/plugins/processing/algs/gdal/retile.py

@@ -177,7 +177,7 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
         crs = self.parameterAsCrs(parameters, self.SOURCE_CRS, context)
         if crs.isValid():
             arguments.append('-s_srs')
-            arguments.append(crs.authid())
+            arguments.append(GdalUtils.gdal_crs_string(crs))
 
         arguments.append('-r')
         arguments.append(self.methods[self.parameterAsEnum(parameters, self.RESAMPLING, context)][1])

python/plugins/processing/algs/gdal/translate.py

@@ -126,7 +126,7 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
         crs = self.parameterAsCrs(parameters, self.TARGET_CRS, context)
         if crs.isValid():
             arguments.append('-a_srs')
-            arguments.append(crs.authid())
+            arguments.append(GdalUtils.gdal_crs_string(crs))
 
         if nodata is not None:
             arguments.append('-a_nodata')

python/plugins/processing/algs/gdal/warp.py

@@ -175,11 +175,11 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
         arguments = []
         if sourceCrs.isValid():
             arguments.append('-s_srs')
-            arguments.append(sourceCrs.authid())
+            arguments.append(GdalUtils.gdal_crs_string(sourceCrs))
 
         if targetCrs.isValid():
             arguments.append('-t_srs')
-            arguments.append(targetCrs.authid())
+            arguments.append(GdalUtils.gdal_crs_string(targetCrs))
 
         if nodata is not None:
             arguments.append('-dstnodata')