[processing] fixed conversion to unsupported raster formats after running algorithm

Author: volaya

python/plugins/processing/core/GeoAlgorithm.py

@@ -17,6 +17,7 @@
 ***************************************************************************
 """
 
+
 __author__ = 'Victor Olaya'
 __date__ = 'August 2012'
 __copyright__ = '(C) 2012, Victor Olaya'
@@ -27,10 +28,11 @@
 
 import os.path
 import traceback
+import subprocess
 import copy
 
 from PyQt4.QtGui import QIcon
-from PyQt4.QtCore import QCoreApplication
+from PyQt4.QtCore import QCoreApplication, QSettings
 from qgis.core import QGis, QgsRasterFileWriter
 
 from processing.core.ProcessingLog import ProcessingLog
@@ -294,13 +296,31 @@ def convertUnsupportedFormats(self, progress):
             elif isinstance(out, OutputRaster):
                 if out.compatible is not None:
                     layer = dataobjects.getObjectFromUri(out.compatible)
-                    provider = layer.dataProvider()
-                    writer = QgsRasterFileWriter(out.value)
                     format = self.getFormatShortNameFromFilename(out.value)
-                    writer.setOutputFormat(format)
-                    writer.writeRaster(layer.pipe(), layer.width(),
-                                       layer.height(), layer.extent(),
-                                       layer.crs())
+                    orgFile = out.compatible
+                    destFile = out.value
+                    crsid = layer.crs().authid()
+                    settings = QSettings()
+                    path = unicode(settings.value('/GdalTools/gdalPath', ''))
+                    envval = unicode(os.getenv('PATH'))
+                    if not path.lower() in envval.lower().split(os.pathsep):
+                        envval += '%s%s' % (os.pathsep, path)
+                        os.putenv('PATH', envval)
+                    command = 'gdal_translate -of %s -a_srs %s %s %s' % (format, crsid, orgFile, destFile)
+                    if os.name == 'nt':
+                        command = command.split(" ")
+                    else:
+                        command = [command]
+                    subprocess.Popen(
+                        command,
+                        shell=True,
+                        stdout=subprocess.PIPE,
+                        stdin=subprocess.PIPE,
+                        stderr=subprocess.STDOUT,
+                        universal_newlines=False,
+                        )
+
+
             elif isinstance(out, OutputTable):
                 if out.compatible is not None:
                     layer = dataobjects.getObjectFromUri(out.compatible)