Fixed some minor bugs in sextante algs

Removed SAGA Split algorithms

python/plugins/sextante/__init__.py

@@ -17,7 +17,7 @@
 ***************************************************************************
 """
 
-from sextante.core.Sextante import runalg, alghelp, alglist, algoptions, load, loadFromAlg, extent, getObjectFromName, getObjectFromUri
+from sextante.core.Sextante import runalg, runandload, alghelp, alglist, algoptions, load, loadFromAlg, extent, getObjectFromName, getObjectFromUri
 
 __author__ = 'Victor Olaya'
 __date__ = 'August 2012'
@@ -32,7 +32,7 @@ def description():
     return "SEXTANTE Geoprocessing Platform for QGIS"
 
 def version():
-    return "1.0.8"
+    return "1.0.9"
 
 def icon():
     return "images/toolbox.png"
@@ -41,7 +41,7 @@ def category():
   return "Analysis"
 
 def qgisMinimumVersion():
-    return "1.0"
+    return "1.8"
 
 def classFactory(iface):
     from sextante.SextantePlugin import SextantePlugin

python/plugins/sextante/algs/AddTableField.py

@@ -73,13 +73,13 @@ def processAlgorithm(self, progress):
         nFeat = vprovider.featureCount()
         nElement = 0
         while vprovider.nextFeature(inFeat):
-          progress.setPercentage(int((100 * nElement)/nFeat))
-          nElement += 1
-          inGeom = inFeat.geometry()
-          outFeat.setGeometry( inGeom )
-          atMap = inFeat.attributeMap()
-          outFeat.setAttributeMap( atMap )
-          outFeat.addAttribute( len(vprovider.fields()), QVariant() )
-          writer.addFeature( outFeat )
+            progress.setPercentage(int((100 * nElement)/nFeat))
+            nElement += 1
+            inGeom = inFeat.geometry()
+            outFeat.setGeometry( inGeom )
+            atMap = inFeat.attributeMap()
+            outFeat.setAttributeMap( atMap )
+            outFeat.addAttribute( len(vprovider.fields()), QVariant() )
+            writer.addFeature( outFeat )
         del writer
 

python/plugins/sextante/algs/FieldPyculator.py

@@ -67,8 +67,6 @@ def processAlgorithm(self, progress):
         code = self.getParameterValue(self.FORMULA)
         globalExpression = self.getParameterValue(self.GLOBAL)
         useSelected = self.getParameterValue(self.USE_SELECTED)
-        settings = QSettings()
-        systemEncoding = settings.value( "/UI/encoding", "System" ).toString()
         output = self.getOutputFromName(self.OUTPUT_LAYER)
         layer = QGisLayers.getObjectFromUri(self.getParameterValue(self.INPUT_LAYER))
         vprovider = layer.dataProvider()
@@ -77,9 +75,7 @@ def processAlgorithm(self, progress):
         fields = vprovider.fields()
         fields[len(fields)] = QgsField(fieldname, QVariant.Double)
         writer = output.getVectorWriter(fields, vprovider.geometryType(), vprovider.crs() )
-        outFeat = QgsFeature()
-        nFeatures = vprovider.featureCount()
-        nElement = 0
+        outFeat = QgsFeature()        
         new_ns = {}
 
         #run global code
@@ -115,13 +111,12 @@ def processAlgorithm(self, progress):
                                  "Field code block can't be executed! %s \n %s"
                                  (unicode(sys.exc_info()[0].__name__), unicode(sys.exc_info()[1])))
 
-
-        QtGui.QMessageBox.critical(None, "", str(vprovider))
         #run
-
+        nElement = 1
         features = layer.selectedFeatures()
         nFeatures = len(features)
         if not useSelected or nFeatures == 0:
+            nFeatures = vprovider.featureCount()
             feat = QgsFeature()
             if need_attrs:
                 attr_ind = vprovider.attributeIndexes()

python/plugins/sextante/core/Sextante.py

@@ -376,6 +376,10 @@ def alghelp(name):
 def runalg(algOrName, *args):
     alg = Sextante.runAlgorithm(algOrName, None, *args)
     return alg.getOutputValuesAsDictionary()
+
+def runandload(name, *args):
+    Sextante.runAlgorithm(name, SextantePostprocessing.handleAlgorithmResults, *args)
+
 
 def extent(layers):    
     first = True

python/plugins/sextante/core/SextanteVectorWriter.py

@@ -54,7 +54,7 @@ def __init__(self, fileName, encoding, fields, geometryType, crs, options=None):
 
             uri = self.TYPE_MAP[geometryType]
             if crs.isValid():
-              uri += "?crs=" + crs.authid()
+                uri += "?crs=" + crs.authid()
             self.memLayer = QgsVectorLayer(uri, self.fileName, "memory")
             self.writer = self.memLayer.dataProvider()
             self.writer.addAttributes(fields.values())
@@ -69,6 +69,9 @@ def __init__(self, fileName, encoding, fields, geometryType, crs, options=None):
                 OGRCodes[extension] = value
 
             extension = self.fileName[self.fileName.rfind(".") + 1:]
+            if extension not in OGRCodes:
+                extension = "shp"
+                self.filename = self.filename + "shp"
             self.writer = QgsVectorFileWriter(self.fileName, encoding, fields, geometryType, crs, OGRCodes[extension])
 
     def addFeature(self, feature):

python/plugins/sextante/gui/BatchProcessingDialog.py

@@ -16,11 +16,6 @@
 *                                                                         *
 ***************************************************************************
 """
-from sextante.gui.CrsSelectionPanel import CrsSelectionPanel
-from sextante.outputs.OutputNumber import OutputNumber
-from sextante.outputs.OutputString import OutputString
-from sextante.core.SextanteUtils import SextanteUtils
-
 __author__ = 'Victor Olaya'
 __date__ = 'August 2012'
 __copyright__ = '(C) 2012, Victor Olaya'
@@ -35,6 +30,10 @@
 from sextante.parameters.ParameterVector import ParameterVector
 from sextante.gui.BatchInputSelectionPanel import BatchInputSelectionPanel
 from sextante.gui.AlgorithmExecutionDialog import AlgorithmExecutionDialog
+from sextante.gui.CrsSelectionPanel import CrsSelectionPanel
+from sextante.outputs.OutputNumber import OutputNumber
+from sextante.outputs.OutputString import OutputString
+from sextante.core.SextanteUtils import SextanteUtils
 
 from sextante.parameters.ParameterExtent import ParameterExtent
 from sextante.parameters.ParameterNumber import ParameterNumber
@@ -58,6 +57,7 @@
 class BatchProcessingDialog(AlgorithmExecutionDialog):
     def __init__(self, alg):
         self.algs = None
+        self.showAdvanced = False
         self.table = QtGui.QTableWidget(None)
         AlgorithmExecutionDialog.__init__(self, alg, self.table)        
         self.setWindowModality(1)

python/plugins/sextante/gui/HistoryDialog.py

@@ -98,7 +98,7 @@ def executeAlgorithm(self):
         item = self.tree.currentItem()
         if isinstance(item, TreeLogEntryItem):
             if item.isAlg:
-                script = "from sextante.core.Sextante import Sextante\n"
+                script = "import sextante\n"
                 script+=item.entry.text.replace("runalg(","runandload(")
                 exec(script)
 

python/plugins/sextante/metadata.txt

@@ -2,8 +2,8 @@
 name=SEXTANTE
 description=SEXTANTE Geoprocessing Platform for QGIS
 category=Analysis
-version=1.0.8
-qgisMinimumVersion=1.0
+version=1.0.9
+qgisMinimumVersion=1.8
 
 author=Victor Olaya
 email=volayaf@gmail.com

python/plugins/sextante/mmqgisx/mmqgisx_library.py

@@ -1598,7 +1598,7 @@ def mmqgisx_grid(qgis, savename, hspacing, vspacing, width, height, originx, ori
 	if (hspacing <= 0) or (vspacing <= 0):
 		return "Invalid grid spacing: " + unicode(hspacing) + " / " + unicode(vspacing)
 
-	if (width <= hspacing) or (width < vspacing):
+	if (width < hspacing) or (height < vspacing):
 		return "Invalid width / height: " + unicode(width) + " / " + unicode(height)
 
 	fields = {
@@ -1681,9 +1681,9 @@ def mmqgisx_grid(qgis, savename, hspacing, vspacing, width, height, originx, ori
 				feature.addAttribute(1, QVariant(y + (vspacing / 2.0)))
 				outfile.addFeature(feature)
 				linecount = linecount + 1
-				y = y + hspacing;
+				y = y + vspacing;
 
-			x = x + vspacing
+			x = x + hspacing
 
 	elif gridtype == "Diamond (polygon)":
 		x = originx

python/plugins/sextante/parameters/ParameterFile.py

@@ -39,6 +39,12 @@ def serialize(self):
         return self.__module__.split(".")[-1] + "|" + self.name + "|" + self.description +\
                         "|" + str(self.isFolder)
 
+    def setValue(self, obj):
+        self.value = str(obj)
+        if self.value.strip() == "":
+            return False
+        return True
+
     def deserialize(self, s):
         tokens = s.split("|")
         return ParameterFile(tokens[0], tokens[1], tokens[2] == str(True))

python/plugins/sextante/script/scripts/Number_of_unique_values_in_classes.py

@@ -36,8 +36,7 @@
 
 #Iterate over input layer to count unique values in each class
 while provider.nextFeature(inFeat):
-  #Printing a number to the console to indicate progress
-  print int((50 * nElement)/nFeat)
+  progress.setPercentage(int((100 * nElement)/nFeat))
   nElement += 1
   atMap = inFeat.attributeMap()
   clazz = atMap[class_field_index].toString()

python/plugins/sextante/script/scripts/Split_vector_layer_by_attribute.py

@@ -0,0 +1,50 @@
+#Definition of inputs and outputs
+#==================================
+##[Example scripts]=group
+##input=vector
+##class_field=field input
+##output=output file
+
+#Algorithm body
+#==================================
+from sextante.core.QGisLayers import QGisLayers
+from qgis.core import *
+from PyQt4.QtCore import *
+from sextante.core.SextanteVectorWriter import SextanteVectorWriter
+
+# "input" contains the location of the selected layer.
+# We get the actual object,
+layer = QGisLayers.getObjectFromUri(input)
+provider = layer.dataProvider()
+allAttrs = provider.attributeIndexes()
+provider.select( allAttrs )
+fields = provider.fields()
+writers = {}
+
+# Fields are defined by their names, but QGIS needs the index for the attributes map
+class_field_index = provider.fieldNameIndex(class_field)
+
+inFeat = QgsFeature()
+outFeat = QgsFeature()
+inGeom = QgsGeometry()
+nFeat = provider.featureCount()
+nElement = 0
+writers = {}
+
+while provider.nextFeature(inFeat):
+  progress.setPercentage(int((100 * nElement)/nFeat))
+  nElement += 1
+  atMap = inFeat.attributeMap()
+  clazz = atMap[class_field_index].toString()
+  if clazz not in writers:
+      outputFile = output + "_" + str(len(writers)) + ".shp"
+      writers[clazz] = SextanteVectorWriter(outputFile, None, fields, provider.geometryType(), provider.crs() )
+  inGeom = inFeat.geometry()
+  outFeat.setGeometry(inGeom)
+  outFeat.setAttributeMap(atMap)
+  writers[clazz].addFeature(outFeat)
+
+
+
+for writer in writers.values():
+    del writer