def processAlgorithm(self, progress):
commands = []
vector = self.getParameterValue(self.VECTOR)
elevation = self.getParameterValue(self.ELEVATION)
region = str(self.getParameterValue(
self.GRASS_REGION_EXTENT_PARAMETER))
regionCoords = region.split(",")
command = "g.region "
command += "n=" + str(regionCoords[3])
command += " s=" + str(regionCoords[2])
command += " e=" + str(regionCoords[1])
command += " w=" + str(regionCoords[0])
cellsize = self.getParameterValue(self.GRASS_REGION_CELLSIZE_PARAMETER)
if cellsize:
command += " res=" + str(cellsize)
else:
command += " res=" + str(self.getDefaultCellsize())
commands.append(command)
command = "nviz"
if vector:
layers = vector.split(";")
for layer in layers:
cmd, newfilename = self.exportVectorLayer(layer)
commands.append(cmd)
vector = vector.replace(layer, newfilename)
command += (" vector=" + vector.replace(";", ","))
if elevation:
layers = elevation.split(";")
for layer in layers:
cmd, newfilename = self.exportRasterLayer(layer)
commands.append(cmd)
elevation = elevation.replace(layer, newfilename)
command += (" elevation=" + elevation.replace(";", ","))
if elevation is None and vector is None:
command += " -q"
commands.append(command)
GrassUtils.createTempMapset()
GrassUtils.executeGrass(commands, progress)
def processAlgorithm(self, progress):
commands = []
command = "nviz"
vector = self.getParameterValue(self.VECTOR)
elevation = self.getParameterValue(self.ELEVATION)
if vector:
layers = vector.split(";")
for layer in layers:
newfilename = self.exportVectorLayer(layer)
vector = vector.replace(layer, newfilename)
command += (" vector=" + vector.replace(";", ","))
if elevation:
layers = elevation.split(";")
for layer in layers:
newfilename = self.exportRasterLayer(layer)
elevation = elevation.replace(layer, newfilename)
command += (" elevation=" + elevation.replace(";", ","))
if elevation is None and vector is None:
command += " -q"
commands.append(command)
GrassUtils.createTempMapset()
GrassUtils.executeGrass(commands, progress)
def processAlgorithm(self, progress):
commands = []
command = "nviz"
vector = self.getParameterValue(self.VECTOR);
elevation = self.getParameterValue(self.ELEVATION);
if vector:
layers = vector.split(";")
for layer in layers:
newfilename = self.exportVectorLayer(layer)
vector = vector.replace(layer, newfilename)
command += (" vector=" + vector.replace(";", ","))
if elevation:
layers = elevation.split(";")
for layer in layers:
newfilename = self.exportRasterLayer(layer)
elevation = elevation.replace(layer, newfilename)
command += (" elevation=" + elevation.replace(";", ","))
if elevation is None and vector is None:
command += " -q"
commands.append(command)
GrassUtils.createTempMapset();
GrassUtils.executeGrass(commands, progress)
def processAlgorithm(self, progress):
commands = []
vector = self.getParameterValue(self.VECTOR);
elevation = self.getParameterValue(self.ELEVATION);
region = str(self.getParameterValue(self.GRASS_REGION_EXTENT_PARAMETER))
regionCoords = region.split(",")
command = "g.region "
command += "n=" + str(regionCoords[3])
command +=" s=" + str(regionCoords[2])
command +=" e=" + str(regionCoords[1])
command +=" w=" + str(regionCoords[0])
cellsize = self.getParameterValue(self.GRASS_REGION_CELLSIZE_PARAMETER)
if cellsize:
command +=" res=" + str(cellsize);
else:
command +=" res=" + str(self.getDefaultCellsize())
commands.append(command)
command = "nviz"
if vector:
layers = vector.split(";")
for layer in layers:
cmd, newfilename = self.exportVectorLayer(layer)
commands.append(cmd)
vector = vector.replace(layer, newfilename)
command += (" vector=" + vector.replace(";", ","))
if elevation:
layers = elevation.split(";")
for layer in layers:
cmd, newfilename = self.exportRasterLayer(layer)
commands.append(cmd)
elevation = elevation.replace(layer, newfilename)
command += (" elevation=" + elevation.replace(";", ","))
if elevation is None and vector is None:
command += " -q"
commands.append(command)
GrassUtils.createTempMapset();
GrassUtils.executeGrass(commands, progress)
def processAlgorithm(self, progress):
if SextanteUtils.isWindows():
path = GrassUtils.grassPath()
if path == "":
raise GeoAlgorithmExecutionException("GRASS folder is not configured.\nPlease configure it before running GRASS algorithms.")
commands = []
self.exportedLayers = {}
#self.calculateRegion()
region = str(self.getParameterValue(self.GRASS_REGION_EXTENT_PARAMETER))
regionCoords = region.split(",")
GrassUtils.createTempMapset();
command = "g.region"
command += " n=" + str(regionCoords[3])
command +=" s=" + str(regionCoords[2])
command +=" e=" + str(regionCoords[1])
command +=" w=" + str(regionCoords[0])
command +=" res=" + str(self.getParameterValue(self.GRASS_REGION_CELLSIZE_PARAMETER));
commands.append(command)
#1: Export layer to grass mapset
for param in self.parameters:
if isinstance(param, ParameterRaster):
if param.value == None:
continue
value = param.value
commands.append(self.exportRasterLayer(value))
if isinstance(param, ParameterVector):
if param.value == None:
continue
value = param.value
commands.append(self.exportVectorLayer(value))
if isinstance(param, ParameterTable):
pass
if isinstance(param, ParameterMultipleInput):
if param.value == None:
continue
layers = param.value.split(";")
if layers == None or len(layers) == 0:
continue
if param.datatype == ParameterMultipleInput.TYPE_RASTER:
for layer in layers:
commands.append(self.exportRasterLayer(layer))
elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
for layer in layers:
commands.append(self.exportVectorLayer(layer))
#2: set parameters and outputs
command = self.grassName
for param in self.parameters:
if param.value == None:
continue
if param.name == self.GRASS_REGION_CELLSIZE_PARAMETER or param.name == self.GRASS_REGION_EXTENT_PARAMETER:
continue
if isinstance(param, (ParameterRaster, ParameterVector)):
value = param.value
if value in self.exportedLayers.keys():
command+=(" " + param.name + "=" + self.exportedLayers[value])
else:
command+=(" " + param.name + "=" + value)
elif isinstance(param, ParameterMultipleInput):
s = param.value
for layer in self.exportedLayers.keys():
s = s.replace(layer, self.exportedLayers[layer])
s = s.replace(";",",")
command+=(" " + param.name + "=" + s);
elif isinstance(param, ParameterBoolean):
if param.value:
command += (" " + param.name)
elif isinstance(param, ParameterSelection):
idx = int(param.value)
command+=(" " + param.name + "=" + str(param.options[idx]));
else:
command+=(" " + param.name + "=" + str(param.value));
for out in self.outputs:
if isinstance(out, OutputFile):
command+=(" " + out.name + "=\"" + out.value + "\"");
else:
command+=(" " + out.name + "=" + out.name);
command += " --overwrite"
commands.append(command)
#3:Export resulting layers to a format that qgis can read
for out in self.outputs:
if isinstance(out, OutputRaster):
filename = out.value
#Raster layer output: adjust region to layer before exporting
commands.append("g.region rast=" + out.name)
command = "r.out.gdal -c createopt=\"TFW=YES,COMPRESS=LZW\""
command += " input="
command += out.name
command += " output=\"" + filename + "\""
commands.append(command)
if isinstance(out, OutputVector):
command = "v.out.ogr -ce input=" + out.name
command += " dsn=\"" + os.path.dirname(out.value) + "\""
command += " format=ESRI_Shapefile"
command += " olayer=" + os.path.basename(out.value)[:-4]
command += " type=auto"
commands.append(command)
#4 Run GRASS
loglines = []
loglines.append("GRASS execution commands")
for line in commands:
progress.setCommand(line)
loglines.append(line)
if SextanteConfig.getSetting(GrassUtils.GRASS_LOG_COMMANDS):
SextanteLog.addToLog(SextanteLog.LOG_INFO, loglines)
GrassUtils.executeGrass(commands, progress);
def processAlgorithm(self, progress):
if SextanteUtils.isWindows():
path = GrassUtils.grassPath()
if path == "":
raise GeoAlgorithmExecutionException(
"GRASS folder is not configured.\nPlease configure it before running GRASS algorithms."
)
commands = []
self.exportedLayers = {}
#self.calculateRegion()
region = str(self.getParameterValue(
self.GRASS_REGION_EXTENT_PARAMETER))
regionCoords = region.split(",")
GrassUtils.createTempMapset()
command = "g.region"
command += " n=" + str(regionCoords[3])
command += " s=" + str(regionCoords[2])
command += " e=" + str(regionCoords[1])
command += " w=" + str(regionCoords[0])
command += " res=" + str(
self.getParameterValue(self.GRASS_REGION_CELLSIZE_PARAMETER))
commands.append(command)
#1: Export layer to grass mapset
for param in self.parameters:
if isinstance(param, ParameterRaster):
if param.value == None:
continue
value = param.value
commands.append(self.exportRasterLayer(value))
if isinstance(param, ParameterVector):
if param.value == None:
continue
value = param.value
commands.append(self.exportVectorLayer(value))
if isinstance(param, ParameterTable):
pass
if isinstance(param, ParameterMultipleInput):
if param.value == None:
continue
layers = param.value.split(";")
if layers == None or len(layers) == 0:
continue
if param.datatype == ParameterMultipleInput.TYPE_RASTER:
for layer in layers:
commands.append(self.exportRasterLayer(layer))
elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
for layer in layers:
commands.append(self.exportVectorLayer(layer))
#2: set parameters and outputs
command = self.grassName
for param in self.parameters:
if param.value == None:
continue
if param.name == self.GRASS_REGION_CELLSIZE_PARAMETER or param.name == self.GRASS_REGION_EXTENT_PARAMETER:
continue
if isinstance(param, (ParameterRaster, ParameterVector)):
value = param.value
if value in self.exportedLayers.keys():
command += (" " + param.name + "=" +
self.exportedLayers[value])
else:
command += (" " + param.name + "=" + value)
elif isinstance(param, ParameterMultipleInput):
s = param.value
for layer in self.exportedLayers.keys():
s = s.replace(layer, self.exportedLayers[layer])
s = s.replace(";", ",")
command += (" " + param.name + "=" + s)
elif isinstance(param, ParameterBoolean):
if param.value:
command += (" " + param.name)
elif isinstance(param, ParameterSelection):
idx = int(param.value)
command += (" " + param.name + "=" + str(param.options[idx]))
else:
command += (" " + param.name + "=" + str(param.value))
for out in self.outputs:
if isinstance(out, OutputFile):
command += (" " + out.name + "=\"" + out.value + "\"")
else:
command += (" " + out.name + "=" + out.name)
command += " --overwrite"
commands.append(command)
#3:Export resulting layers to a format that qgis can read
for out in self.outputs:
if isinstance(out, OutputRaster):
filename = out.value
#Raster layer output: adjust region to layer before exporting
commands.append("g.region rast=" + out.name)
command = "r.out.gdal -c createopt=\"TFW=YES,COMPRESS=LZW\""
command += " input="
command += out.name
command += " output=\"" + filename + "\""
commands.append(command)
if isinstance(out, OutputVector):
command = "v.out.ogr -ce input=" + out.name
command += " dsn=\"" + os.path.dirname(out.value) + "\""
command += " format=ESRI_Shapefile"
command += " olayer=" + os.path.basename(out.value)[:-4]
command += " type=auto"
commands.append(command)
#4 Run GRASS
loglines = []
loglines.append("GRASS execution commands")
for line in commands:
progress.setCommand(line)
loglines.append(line)
if SextanteConfig.getSetting(GrassUtils.GRASS_LOG_COMMANDS):
SextanteLog.addToLog(SextanteLog.LOG_INFO, loglines)
GrassUtils.executeGrass(commands, progress)
