added explode and multi to single part algorithms

volayaf · volayaf · commit c80371a727da · 2012-05-08T09:59:29.000Z
added lastools for linux added FUSION filterdata algorihtm changed r installation method git-svn-id: http://sextante.googlecode.com/svn/trunk/soft/bindings/qgis-plugin@171 881b9c09-3ef8-f3c2-ec3d-21d735c97f4d
diff --git a/src/sextante/__init__.py b/src/sextante/__init__.py
@@ -5,7 +5,7 @@ def name():
 def description():
     return "SEXTANTE Geoprocessing platform for QGIS"
 def version():
-    return "Version 1.0.4"
+    return "Version 1.0.5"
 def icon():
     return "icon.png"
 def qgisMinimumVersion():
diff --git a/src/sextante/algs/Explode.py b/src/sextante/algs/Explode.py
@@ -0,0 +1,72 @@
+from sextante.core.GeoAlgorithm import GeoAlgorithm
+import os.path
+from PyQt4 import QtGui
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+from qgis.core import *
+from sextante.parameters.ParameterVector import ParameterVector
+from sextante.core.QGisLayers import QGisLayers
+from sextante.outputs.OutputVector import OutputVector
+
+class Explode(GeoAlgorithm):
+
+    INPUT = "INPUT"
+    OUTPUT = "OUTPUT"
+
+    def getIcon(self):
+        return QtGui.QIcon(os.path.dirname(__file__) + "/../images/toolbox.png")
+
+    def processAlgorithm(self, progress):
+        settings = QSettings()
+        systemEncoding = settings.value( "/UI/encoding", "System" ).toString()
+        vlayer = QGisLayers.getObjectFromUri(self.getParameterValue(self.INPUT))
+        output = self.getOutputValue(self.OUTPUT)
+        vprovider = vlayer.dataProvider()
+        allAttrs = vprovider.attributeIndexes()
+        vprovider.select( allAttrs )
+        fields = vprovider.fields()
+        writer = QgsVectorFileWriter( output, systemEncoding,
+            fields, QGis.WKBLineString, vprovider.crs() )
+        inFeat = QgsFeature()
+        outFeat = QgsFeature()
+        inGeom = QgsGeometry()
+        nFeat = vprovider.featureCount()
+        nElement = 0
+        while vprovider.nextFeature( inFeat ):
+            nElement += 1
+            progress.setPercentage((nElement*100)/nFeat)
+            inGeom = inFeat.geometry()
+            atMap = inFeat.attributeMap()
+            segments = self.extractAsSingleSegments( inGeom )
+            outFeat.setAttributeMap( atMap )
+            for segment in segments:
+                outFeat.setGeometry(segment)
+                writer.addFeature(outFeat)
+        del writer
+
+
+    def extractAsSingleSegments( self, geom ):
+        segments = []
+        if geom.isMultipart():
+            multi = geom.asMultiPolyline()
+            for polyline in multi:
+                segments.extend( self.getPolylineAsSingleSegments(polyline))
+        else:
+            segments.extend( self.getPolylineAsSingleSegments(geom.asPolyline()))
+        return segments
+
+    def getPolylineAsSingleSegments(self, polyline):
+        segments = []
+        for i in range(len(polyline)-1):
+            ptA = polyline[i]
+            ptB = polyline[i+1]
+            segment = QgsGeometry.fromPolyline([ptA, ptB])
+            segments.append(segment)
+        return segments
+
+    def defineCharacteristics(self):
+        self.name = "Explode lines"
+        self.group = "Algorithms for vector layers"
+        self.addParameter(ParameterVector(self.INPUT, "Input layer",ParameterVector.VECTOR_TYPE_LINE))
+        self.addOutput(OutputVector(self.OUTPUT, "Output layer"))
+
diff --git a/src/sextante/algs/FieldsCalculator.py b/src/sextante/algs/FieldsCalculator.py
@@ -5,7 +5,6 @@
 from PyQt4.QtCore import *
 from PyQt4.QtGui import *
 from sextante.parameters.ParameterString import ParameterString
-from sextante.parameters.ParameterSelection import ParameterSelection
 from sextante.core.QGisLayers import QGisLayers
 import os
 from PyQt4 import QtGui
diff --git a/src/sextante/algs/SextanteAlgorithmProvider.py b/src/sextante/algs/SextanteAlgorithmProvider.py
@@ -4,12 +4,13 @@
 import os
 from sextante.algs.FieldsCalculator import FieldsCalculator
 from sextante.algs.SaveSelectedFeatures import SaveSelectedFeatures
+from sextante.algs.Explode import Explode
 
 class SextanteAlgorithmProvider(AlgorithmProvider):
 
     def __init__(self):
         AlgorithmProvider.__init__(self)
-        self.alglist = [AddTableField(), FieldsCalculator(), SaveSelectedFeatures()]
+        self.alglist = [AddTableField(), FieldsCalculator(), SaveSelectedFeatures(), Explode()]
 
     def initializeSettings(self):
         AlgorithmProvider.initializeSettings(self)
diff --git a/src/sextante/core/Sextante.py b/src/sextante/core/Sextante.py
@@ -86,8 +86,8 @@ def initialize():
         Sextante.addProvider(FToolsAlgorithmProvider())
         Sextante.addProvider(ModelerOnlyAlgorithmProvider())
         Sextante.addProvider(GdalAlgorithmProvider())
+        Sextante.addProvider(LasToolsAlgorithmProvider())
         if SextanteUtils.isWindows():
-            Sextante.addProvider(LasToolsAlgorithmProvider())
             Sextante.addProvider(FusionAlgorithmProvider())
         Sextante.addProvider(OTBAlgorithmProvider())
         Sextante.addProvider(RAlgorithmProvider())
diff --git a/src/sextante/ftools/FToolsAlgorithmProvider.py b/src/sextante/ftools/FToolsAlgorithmProvider.py
@@ -29,6 +29,7 @@
 from sextante.ftools.RandomSelection import RandomSelection
 from sextante.ftools.SelectByLocation import SelectByLocation
 from sextante.ftools.RandomSelectionWithinSubsets import RandomSelectionWithinSubsets
+from sextante.ftools.MultipartToSingleparts import MultipartTosingleparts
 
 class FToolsAlgorithmProvider(AlgorithmProvider):
 
@@ -41,7 +42,8 @@ def __init__(self):
                      NearestNeighbourAnalysis(), MeanCoords(), LinesIntersection(),
                      ConvexHull(), FixedDistanceBuffer(), VariableDistanceBuffer(),
                      Dissolve(), Difference(), Intersection(), Union(), Clip(), ExtentFromLayer(),
-                     RandomSelection(), RandomSelectionWithinSubsets(), SelectByLocation()]
+                     RandomSelection(), RandomSelectionWithinSubsets(), SelectByLocation(),
+                     MultipartTosingleparts()]
 
     def getDescription(self):
         return "fTools (Vector analysis)"
diff --git a/src/sextante/ftools/MultipartToSingleparts.py b/src/sextante/ftools/MultipartToSingleparts.py
@@ -0,0 +1,99 @@
+from sextante.core.GeoAlgorithm import GeoAlgorithm
+import os.path
+from PyQt4 import QtGui
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+from qgis.core import *
+from sextante.parameters.ParameterVector import ParameterVector
+from sextante.core.QGisLayers import QGisLayers
+from sextante.core.GeoAlgorithmExecutionException import GeoAlgorithmExecutionException
+from sextante.outputs.OutputVector import OutputVector
+
+class MultipartTosingleparts(GeoAlgorithm):
+
+    INPUT = "INPUT"
+    OUTPUT = "OUTPUT"
+
+    def getIcon(self):
+        return QtGui.QIcon(os.path.dirname(__file__) + "/icons/multi_to_single.png")
+
+    def processAlgorithm(self, progress):
+        settings = QSettings()
+        systemEncoding = settings.value( "/UI/encoding", "System" ).toString()
+        vlayer = QGisLayers.getObjectFromUri(self.getParameterValue(self.INPUT))
+        output = self.getOutputValue(self.OUTPUT)
+        vprovider = vlayer.dataProvider()
+        allAttrs = vprovider.attributeIndexes()
+        vprovider.select( allAttrs )
+        fields = vprovider.fields()
+        geomType = self.multiToSingleGeom(vprovider.geometryType())
+        writer = QgsVectorFileWriter( output, systemEncoding,
+            fields, geomType, vprovider.crs() )
+        inFeat = QgsFeature()
+        outFeat = QgsFeature()
+        inGeom = QgsGeometry()
+        nFeat = vprovider.featureCount()
+        nElement = 0
+        while vprovider.nextFeature( inFeat ):
+            nElement += 1
+            progress.setPercentage((nElement*100)/nFeat)
+            inGeom = inFeat.geometry()
+            atMap = inFeat.attributeMap()
+            featList = self.extractAsSingle( inGeom )
+            outFeat.setAttributeMap( atMap )
+            for i in featList:
+                outFeat.setGeometry( i )
+                writer.addFeature( outFeat )
+        del writer
+
+
+    def multiToSingleGeom(self, wkbType):
+        try:
+            if wkbType in (QGis.WKBPoint, QGis.WKBMultiPoint,
+                         QGis.WKBPoint25D, QGis.WKBMultiPoint25D):
+                return QGis.WKBPoint
+            elif wkbType in (QGis.WKBLineString, QGis.WKBMultiLineString,
+                           QGis.WKBMultiLineString25D, QGis.WKBLineString25D):
+                return QGis.WKBLineString
+            elif wkbType in (QGis.WKBPolygon, QGis.WKBMultiPolygon,
+                           QGis.WKBMultiPolygon25D, QGis.WKBPolygon25D):
+                return QGis.WKBPolygon
+            else:
+                return QGis.WKBUnknown
+        except Exception, err:
+            raise GeoAlgorithmExecutionException(str(err))
+
+
+    def extractAsSingle( self, geom ):
+        multi_geom = QgsGeometry()
+        temp_geom = []
+        if geom.type() == 0:
+            if geom.isMultipart():
+                multi_geom = geom.asMultiPoint()
+                for i in multi_geom:
+                    temp_geom.append( QgsGeometry().fromPoint ( i ) )
+            else:
+                temp_geom.append( geom )
+        elif geom.type() == 1:
+            if geom.isMultipart():
+                multi_geom = geom.asMultiPolyline()
+                for i in multi_geom:
+                    temp_geom.append( QgsGeometry().fromPolyline( i ) )
+            else:
+                temp_geom.append( geom )
+        elif geom.type() == 2:
+            if geom.isMultipart():
+                multi_geom = geom.asMultiPolygon()
+                for i in multi_geom:
+                    temp_geom.append( QgsGeometry().fromPolygon( i ) )
+            else:
+                temp_geom.append( geom )
+        return temp_geom
+
+
+    def defineCharacteristics(self):
+        self.name = "Multipart to singleparts"
+        self.group = "Geometry tools"
+        self.addParameter(ParameterVector(self.INPUT, "Input layer"))
+        self.addOutput(OutputVector(self.OUTPUT, "Output layer"))
+
diff --git a/src/sextante/ftools/SinglePartsToMultiparts.py b/src/sextante/ftools/SinglePartsToMultiparts.py
@@ -86,7 +86,7 @@ def singleToMultiGeom(self, wkbType):
           print str(err)
 
     def defineCharacteristics(self):
-        self.name = "Singleparts to multi parts"
+        self.name = "Singleparts to multipart"
         self.group = "Geometry tools"
         self.addParameter(ParameterVector(SinglePartsToMultiparts.INPUT, "Input layer"))
         self.addParameter(ParameterTableField(SinglePartsToMultiparts.FIELD,
diff --git a/src/sextante/fusion/ClipData.py b/src/sextante/fusion/ClipData.py
@@ -1,6 +1,5 @@
 import os
 from sextante.parameters.ParameterFile import ParameterFile
-from sextante.core.GeoAlgorithm import GeoAlgorithm
 from sextante.fusion.FusionUtils import FusionUtils
 from PyQt4 import QtGui
 import subprocess
@@ -27,7 +26,7 @@ def defineCharacteristics(self):
         self.addAdvancedModifiers()
 
     def processAlgorithm(self, progress):
-        commands = [os.path.join(FusionUtils.FusionPath(), "ClipData.exe")]
+        commands = [os.path.join(FusionUtils.FusionPath(), "FilterData.exe")]
         commands.append("/verbose")
         self.addAdvancedModifiersToCommand(commands)
         commands.append("/shape:" + str(self.getParameterValue(self.SHAPE)))
@@ -37,7 +36,7 @@ def processAlgorithm(self, progress):
         else:
             FusionUtils.createFileList(files)
             commands.append(FusionUtils.tempFileListFilepath())
-        outFile = self.getOutputValue(self.OUTPUT)
+        outFile = self.getOutputValue(self.OUTPUT) + ".lda"
         commands.append(outFile)
         extent = str(self.getParameterValue(self.EXTENT)).split(",")
         commands.append(extent[0])
diff --git a/src/sextante/fusion/DensityMetrics.py b/src/sextante/fusion/DensityMetrics.py
@@ -0,0 +1,5 @@
+'''
+Created on 07/05/2012
+
+@author: Volaya
+'''
diff --git a/src/sextante/fusion/FilterData.py b/src/sextante/fusion/FilterData.py
@@ -0,0 +1,48 @@
+import os
+from sextante.parameters.ParameterFile import ParameterFile
+from sextante.fusion.FusionUtils import FusionUtils
+from PyQt4 import QtGui
+import subprocess
+from sextante.outputs.OutputFile import OutputFile
+from sextante.fusion.FusionAlgorithm import FusionAlgorithm
+from sextante.parameters.ParameterNumber import ParameterNumber
+
+class FilterData(FusionAlgorithm):
+
+    INPUT = "INPUT"
+    OUTPUT = "OUTPUT"
+    VALUE = "VALUE"
+    SHAPE = "SHAPE"
+    WINDOWSIZE = "WINDOWSIZE"
+
+
+    def defineCharacteristics(self):
+        self.name = "Filter Data outliers"
+        self.group = "Points"
+        self.addParameter(ParameterFile(self.INPUT, "Input las layer"))
+        self.addParameter(ParameterNumber(self.VALUE, "Standard Deviation multiplier"))
+        self.addParameter(ParameterNumber(self.VALUE, "Window size", None, None, 10))
+        self.addOutput(OutputFile(self.OUTPUT, "Output filtered las file"))
+        self.addAdvancedModifiers()
+
+    def processAlgorithm(self, progress):
+        commands = [os.path.join(FusionUtils.FusionPath(), "FilterData.exe")]
+        commands.append("/verbose")
+        self.addAdvancedModifiersToCommand(commands)
+        commands.append("outlier")
+        commands.append(self.getParameterValue(self.VALUE))
+        commands.append(self.getParameterValue(self.WINDOWSIZE))
+        outFile = self.getOutputValue(self.OUTPUT) + ".lda"
+        commands.append(outFile)
+        files = self.getParameterValue(self.INPUT).split(";")
+        if len(files) == 1:
+            commands.append(self.getParameterValue(self.INPUT))
+        else:
+            FusionUtils.createFileList(files)
+            commands.append(FusionUtils.tempFileListFilepath())
+        FusionUtils.runFusion(commands, progress)
+        commands = [os.path.join(FusionUtils.FusionPath(), "LDA2LAS.exe")]
+        commands.append(outFile)
+        commands.append(self.getOutputValue(self.OUTPUT))
+        p = subprocess.Popen(commands, shell=True)
+        p.wait()
diff --git a/src/sextante/fusion/FusionAlgorithmProvider.py b/src/sextante/fusion/FusionAlgorithmProvider.py
@@ -10,14 +10,15 @@
 from sextante.fusion.CanopyModel import CanopyModel
 from sextante.fusion.ClipData import ClipData
 from sextante.fusion.Cover import Cover
+from sextante.fusion.FilterData import FilterData
 
 
 class FusionAlgorithmProvider(AlgorithmProvider):
 
     def __init__(self):
         AlgorithmProvider.__init__(self)
         self.actions.append(OpenViewerAction())
-        self.algsList = [CloudMetrics(), CanopyMaxima(), CanopyModel(), ClipData(), Cover()]
+        self.algsList = [CloudMetrics(), CanopyMaxima(), CanopyModel(), ClipData(), Cover(), FilterData()]
 
     def initializeSettings(self):
         AlgorithmProvider.initializeSettings(self)
diff --git a/src/sextante/grass/GrassAlgorithmProvider.py b/src/sextante/grass/GrassAlgorithmProvider.py
@@ -55,9 +55,9 @@ def createAlgsList(self):
                     self.preloadedAlgs.append(alg)
                 else:
                     SextanteLog.addToLog(SextanteLog.LOG_ERROR, "Could not open GRASS algorithm: " + descriptionFile)
-            except Exception,e:
+            except Exception:
                 SextanteLog.addToLog(SextanteLog.LOG_ERROR, "Could not open GRASS algorithm: " + descriptionFile)
-        self.preloadedAlgs.append(nviz())
+        #self.preloadedAlgs.append(nviz())
         #self.createDescriptionFiles()
 
     def _loadAlgorithms(self):
diff --git a/src/sextante/grass/description/v.surf.idw.txt b/src/sextante/grass/description/v.surf.idw.txt
@@ -1,10 +1,9 @@
 v.surf.idw
 v.surf.idw
 Vector (v.*)
-ParameterVector|input|input|-1|False
+ParameterVector|input|input|0|False
 ParameterNumber|npoints|npoints|None|None|12
 ParameterNumber|power|power|None|None|2.0
-ParameterNumber|layer|layer|None|None|1
 ParameterTableField|column|column|input
 ParameterBoolean|-n|-n|True
 OutputRaster|output|output
diff --git a/src/sextante/lastools/LasToolsAlgorithmProvider.py b/src/sextante/lastools/LasToolsAlgorithmProvider.py
@@ -16,14 +16,18 @@
 from sextante.lastools.lassplit import lassplit
 from sextante.lastools.lasclassify import lasclassify
 from sextante.lastools.lasclip import lasclip
+from sextante.core.SextanteUtils import SextanteUtils
 
 
 class LasToolsAlgorithmProvider(AlgorithmProvider):
 
     def __init__(self):
         AlgorithmProvider.__init__(self)
-        self.algsList = [las2shp(), lasboundary(), las2dem(), las2iso(), lasgrid(), lasground(),
+        if SextanteUtils.isWindows():
+            self.algsList = [las2shp(), lasboundary(), las2dem(), las2iso(), lasgrid(), lasground(),
                          lasinfo(), lasheight(), lasprecision(), lassplit(), lasclassify(), lasclip()]
+        else:
+            self.algsList = [lasinfo(), lasprecision()]
 
     def initializeSettings(self):
         AlgorithmProvider.initializeSettings(self)
diff --git a/src/sextante/lastools/LasToolsUtils.py b/src/sextante/lastools/LasToolsUtils.py
@@ -20,7 +20,8 @@ def LasToolsPath():
     def runLasTools(commands, progress):
         loglines = []
         loglines.append("LasTools execution console output")
-        proc = subprocess.Popen(commands, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE,stderr=subprocess.STDOUT, universal_newlines=False).stdout
+        commandline = " ".join(commands)
+        proc = subprocess.Popen(commandline, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE,stderr=subprocess.STDOUT, universal_newlines=False).stdout
         for line in iter(proc.readline, ""):
             loglines.append(line)
         SextanteLog.addToLog(SextanteLog.LOG_INFO, loglines)
diff --git a/src/sextante/metadata.txt b/src/sextante/metadata.txt
diff --git a/src/sextante/parameters/ParameterNumber.py b/src/sextante/parameters/ParameterNumber.py
diff --git a/src/sextante/r/RAlgorithm.py b/src/sextante/r/RAlgorithm.py
