def refresh(self):
layers = dataobjects.getRasterLayers()
options = {}
for lyr in layers:
for n in range(lyr.bandCount()):
options[lyr.name()] = '{:s}@{:d}'.format(lyr.name(), n + 1)
self.widget.setList(options)
def createWidget(self):
if self.dialogType == DIALOG_STANDARD:
if self.param.datatype == dataobjects.TYPE_FILE:
return MultipleInputPanel(datatype=dataobjects.TYPE_FILE)
else:
if self.param.datatype == dataobjects.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif self.param.datatype == dataobjects.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers(
[self.param.datatype], sorting=False)
opts = [getExtendedLayerName(opt) for opt in options]
return MultipleInputPanel(opts)
elif self.dialogType == DIALOG_BATCH:
widget = BatchInputSelectionPanel(self.param, self.row, self.col,
self.dialog)
widget.valueChanged.connect(
lambda: self.widgetValueHasChanged.emit(self))
return widget
else:
options = [
self.dialog.resolveValueDescription(opt)
for opt in self._getOptions()
]
return MultipleInputPanel(options)
def getWidgetFromParameter(self, param):
"""
Overload for custom Qwidget(Panel) from Parameter
return item : Qwidget(Panel)
"""
if param.name in ["CHANGES"]:
item = TableReplaceInputDialog(self, param)
elif param.name in ["MAP_CSV"]:
item = FileSelectionCSVTXTPanel(param.isFolder, param.ext)
elif isinstance(param, ParameterRaster):
# === Overload of Panel for Raster in order to add signal for updating param
layers = dataobjects.getRasterLayers()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
self.NONE_SELECTED = self.tr('Chose a layer')
items.append((self.NONE_SELECTED, "")) # Not use None
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
item = InputLayerSelectorPanel(items, param)
else:
# == default Wigdet from Parameter, i.e. use parent method
item = ParametersPanel.getWidgetFromParameter(self, param)
return item
def refresh(self):
layers = dataobjects.getRasterLayers()
options = {}
for lyr in layers:
for n in range(lyr.bandCount()):
options[lyr.name()] = '{:s}@{:d}'.format(lyr.name(), n + 1)
self.widget.setList(options)
def getWidgetFromParameter(self, param):
"""
Overload for custom Qwidget(Panel) from Parameter
return item : Qwidget(Panel)
"""
if param.name in ["DOMAINS"]:
# === Overload ParameterString for special parameter name like DOMAINS,..
item = ClassificationTablePanel(self.parent, self.alg,
param.default)
if param.default:
item.setText(unicode(param.default))
elif isinstance(param, ParameterRaster):
# === Overload of Panel for Raster in order to add signal for updating param
layers = dataobjects.getRasterLayers()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
self.NONE_SELECTED = self.tr('Chose a layer')
items.append((self.NONE_SELECTED, "")) # Not use None
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
item = CustomInputLayerSelectorPanel(items, param)
else:
# == default Wigdet from Parameter, i.e. use parent method
item = ChloeParametersPanel.getWidgetFromParameter(self, param)
#item = ParametersPanel.getWidgetFromParameter(self,param)
return item
def showLayerSelectionDialog(self):
if (isinstance(self.param, ParameterRaster) or
(isinstance(self.param, ParameterMultipleInput) and
self.param.datatype == dataobjects.TYPE_RASTER)):
layers = dataobjects.getRasterLayers()
elif isinstance(self.param, ParameterTable):
layers = dataobjects.getTables()
else:
if isinstance(self.param, ParameterVector):
datatype = self.param.datatype
else:
datatype = [self.param.datatype]
layers = dataobjects.getVectorLayers(datatype)
dlg = MultipleInputDialog([layer.name() for layer in layers])
dlg.exec_()
if dlg.selectedoptions is not None:
selected = dlg.selectedoptions
if len(selected) == 1:
self.setValue(layers[selected[0]])
else:
if isinstance(self.param, ParameterMultipleInput):
self.text.setText(';'.join(layers[idx].name() for idx in selected))
else:
rowdif = len(selected) - (self._table().rowCount() - self.row)
for i in range(rowdif):
self._panel().addRow()
for i, layeridx in enumerate(selected):
self._table().cellWidget(i + self.row,
self.col).setValue(layers[layeridx])
def showLayerSelectionDialog(self):
if (isinstance(self.param, ParameterRaster)
or (isinstance(self.param, ParameterMultipleInput)
and self.param.datatype == dataobjects.TYPE_RASTER)):
layers = dataobjects.getRasterLayers()
elif isinstance(self.param, ParameterTable):
layers = dataobjects.getTables()
else:
if isinstance(self.param, ParameterVector):
datatype = self.param.datatype
else:
datatype = [self.param.datatype]
layers = dataobjects.getVectorLayers(datatype)
dlg = MultipleInputDialog([layer.name() for layer in layers])
dlg.exec_()
if dlg.selectedoptions is not None:
selected = dlg.selectedoptions
if len(selected) == 1:
self.setValue(layers[selected[0]])
else:
if isinstance(self.param, ParameterMultipleInput):
self.text.setText(';'.join(layers[idx].name()
for idx in selected))
else:
rowdif = len(selected) - (self._table().rowCount() -
self.row)
for i in range(rowdif):
self._panel().addRow()
for i, layeridx in enumerate(selected):
self._table().cellWidget(
i + self.row, self.col).setValue(layers[layeridx])
def getWidgetFromParameter(self, param):
"""
Overload for custom Qwidget(Panel) from Parameter
return item : Qwidget(Panel)
"""
if param.name in ["METRICS"]:
# === Overload ParameterString for special parameter name like FIELDS,..s
item = DoubleCmbBoxSelectionPanel(self.parent, self.alg,
param.default)
elif param.name in ["FILTER", "UNFILTER"]:
# === Overload ParameterString for special parameter name like FIELDS,..s
item = ValuesSelectionPanel(self.parent, self.alg, param.default,
'INPUT_LAYER_ASC')
if param.default:
item.setText(unicode(param.default))
elif isinstance(param, ParameterRaster):
# === Overload of Panel for Raster in order to add signal for updating param
layers = dataobjects.getRasterLayers()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
self.NONE_SELECTED = self.tr('Chose a layer')
items.append((self.NONE_SELECTED, "")) # Not use None
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
item = InputLayerSelectorPanel(items, param)
else:
# == default Wigdet from Parameter, i.e. use parent method
item = ParametersPanel.getWidgetFromParameter(self, param)
return item
def processAlgorithm(self, feedback):
expression = self.getParameterValue(self.EXPRESSION)
layersValue = self.getParameterValue(self.LAYERS)
layersDict = {}
if layersValue:
layers = [
dataobjects.getObjectFromUri(f) for f in layersValue.split(";")
]
layersDict = {
os.path.basename(lyr.source().split(".")[0]): lyr
for lyr in layers
}
for lyr in dataobjects.getRasterLayers():
name = lyr.name()
if (name + "@") in expression:
layersDict[name] = lyr
entries = []
for name, lyr in layersDict.items():
for n in range(lyr.bandCount()):
entry = QgsRasterCalculatorEntry()
entry.ref = '{:s}@{:d}'.format(name, n + 1)
entry.raster = lyr
entry.bandNumber = n + 1
entries.append(entry)
output = self.getOutputValue(self.OUTPUT)
extentValue = self.getParameterValue(self.EXTENT)
if extentValue:
extent = extentValue.split(',')
bbox = QgsRectangle(float(extent[0]), float(extent[2]),
float(extent[1]), float(extent[3]))
else:
if layersDict:
bbox = list(layersDict.values())[0].extent()
for lyr in layersDict.values():
bbox.combineExtentWith(lyr.extent())
else:
raise GeoAlgorithmExecutionException(
self.tr("No layers selected"))
def _cellsize(layer):
return (layer.extent().xMaximum() -
layer.extent().xMinimum()) / layer.width()
cellsize = self.getParameterValue(self.CELLSIZE) or min(
[_cellsize(lyr) for lyr in layersDict.values()])
width = math.floor((bbox.xMaximum() - bbox.xMinimum()) / cellsize)
height = math.floor((bbox.yMaximum() - bbox.yMinimum()) / cellsize)
driverName = GdalUtils.getFormatShortNameFromFilename(output)
calc = QgsRasterCalculator(expression, output, driverName, bbox, width,
height, entries)
res = calc.processCalculation()
if res == QgsRasterCalculator.ParserError:
raise GeoAlgorithmExecutionException(
self.tr("Error parsing formula"))
def refresh(self):
items = []
layers = dataobjects.getRasterLayers()
if self.param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((getExtendedLayerName(layer), layer))
self.widget.update(items)
def setParamValue(self, param, widget, alg=None):
if isinstance(param, ParameterRaster):
return param.setValue(widget.getValue())
elif isinstance(param, (ParameterVector, ParameterTable)):
try:
return param.setValue(widget.itemData(widget.currentIndex()))
except:
return param.setValue(widget.getValue())
elif isinstance(param, ParameterBoolean):
return param.setValue(widget.isChecked())
elif isinstance(param, ParameterSelection):
return param.setValue(widget.currentIndex())
elif isinstance(param, ParameterFixedTable):
return param.setValue(widget.table)
elif isinstance(param, ParameterRange):
return param.setValue(widget.getValue())
elif isinstance(param, ParameterTableField):
if param.optional and widget.currentIndex() == 0:
return param.setValue(None)
return param.setValue(widget.currentText())
elif isinstance(param, ParameterTableMultipleField):
if param.optional and len(list(widget.get_selected_items())) == 0:
return param.setValue(None)
return param.setValue(list(widget.get_selected_items()))
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_FILE:
return param.setValue(widget.selectedoptions)
else:
if param.datatype == ParameterMultipleInput.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers([param.datatype],
sorting=False)
return param.setValue(
[options[i] for i in widget.selectedoptions])
elif isinstance(param, (ParameterNumber, ParameterFile, ParameterCrs,
ParameterExtent, ParameterPoint)):
return param.setValue(widget.getValue())
elif isinstance(param, ParameterString):
if param.multiline:
text = unicode(widget.toPlainText())
else:
text = widget.text()
if param.evaluateExpressions:
try:
text = self.evaluateExpression(text)
except:
pass
return param.setValue(text)
elif isinstance(param, ParameterGeometryPredicate):
return param.setValue(widget.value())
else:
return param.setValue(unicode(widget.text()))
def refresh(self):
if self.param.datatype != dataobjects.TYPE_FILE:
if self.param.datatype == dataobjects.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif self.param.datatype == dataobjects.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers([self.param.datatype], sorting=False)
opts = [self.getExtendedLayerName(opt) for opt in options]
self.widget.updateForOptions(opts)
def setParamValue(self, param, widget, alg=None):
if isinstance(param, ParameterRaster):
return param.setValue(widget.getValue())
elif isinstance(param, (ParameterVector, ParameterTable)):
try:
return param.setValue(widget.itemData(widget.currentIndex()))
except:
return param.setValue(widget.getValue())
elif isinstance(param, ParameterBoolean):
return param.setValue(widget.isChecked())
elif isinstance(param, ParameterSelection):
return param.setValue(widget.currentIndex())
elif isinstance(param, ParameterFixedTable):
return param.setValue(widget.table)
elif isinstance(param, ParameterRange):
return param.setValue(widget.getValue())
elif isinstance(param, ParameterTableField):
if param.optional and widget.currentIndex() == 0:
return param.setValue(None)
return param.setValue(widget.currentText())
elif isinstance(param, ParameterTableMultipleField):
if param.optional and len(list(widget.get_selected_items())) == 0:
return param.setValue(None)
return param.setValue(list(widget.get_selected_items()))
elif isinstance(param, ParameterMultipleInput):
if param.datatype == dataobjects.TYPE_FILE:
return param.setValue(widget.selectedoptions)
else:
if param.datatype == dataobjects.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif param.datatype == dataobjects.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers([param.datatype], sorting=False)
return param.setValue([options[i] for i in widget.selectedoptions])
elif isinstance(param, (ParameterNumber, ParameterFile, ParameterCrs,
ParameterExtent, ParameterPoint)):
return param.setValue(widget.getValue())
elif isinstance(param, ParameterString):
if param.multiline:
text = str(widget.toPlainText())
else:
text = widget.text()
if param.evaluateExpressions:
try:
text = self.evaluateExpression(text)
except:
pass
return param.setValue(text)
elif isinstance(param, ParameterGeometryPredicate):
return param.setValue(widget.value())
else:
return param.setValue(str(widget.text()))
def processAlgorithm(self, progress):
expression = self.getParameterValue(self.EXPRESSION)
layersValue = self.getParameterValue(self.LAYERS)
layersDict = {}
if layersValue:
layers = [dataobjects.getObjectFromUri(f) for f in layersValue.split(";")]
layersDict = {os.path.basename(lyr.source().split(".")[0]): lyr for lyr in layers}
for lyr in dataobjects.getRasterLayers():
name = lyr.name()
if (name + "@") in expression:
layersDict[name] = lyr
entries = []
for name, lyr in layersDict.items():
for n in range(lyr.bandCount()):
entry = QgsRasterCalculatorEntry()
entry.ref = '{:s}@{:d}'.format(name, n + 1)
entry.raster = lyr
entry.bandNumber = n + 1
entries.append(entry)
output = self.getOutputValue(self.OUTPUT)
extentValue = self.getParameterValue(self.EXTENT)
if extentValue:
extent = extentValue.split(',')
bbox = QgsRectangle(float(extent[0]), float(extent[2]),
float(extent[1]), float(extent[3]))
else:
if layersDict:
bbox = list(layersDict.values())[0].extent()
for lyr in layersDict.values():
bbox.combineExtentWith(lyr.extent())
else:
raise GeoAlgorithmExecutionException(self.tr("No layers selected"))
def _cellsize(layer):
return (layer.extent().xMaximum() - layer.extent().xMinimum()) / layer.width()
cellsize = self.getParameterValue(self.CELLSIZE) or min([_cellsize(lyr) for lyr in layersDict.values()])
width = math.floor((bbox.xMaximum() - bbox.xMinimum()) / cellsize)
height = math.floor((bbox.yMaximum() - bbox.yMinimum()) / cellsize)
driverName = GdalUtils.getFormatShortNameFromFilename(output)
calc = QgsRasterCalculator(expression,
output,
driverName,
bbox,
width,
height,
entries)
res = calc.processCalculation()
if res == QgsRasterCalculator.ParserError:
raise GeoAlgorithmExecutionException(self.tr("Error parsing formula"))
def updateMultipleInputs(self):
for param in self.alg.parameters:
if isinstance(param, ParameterMultipleInput) and param.datatype != dataobjects.TYPE_FILE:
if param.datatype == dataobjects.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif param.datatype == dataobjects.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers([param.datatype], sorting=False)
opts = [self.getExtendedLayerName(opt) for opt in options]
widget = self.valueItems[param.name]
widget.updateForOptions(opts)
def updateMultipleInputs(self):
for param in self.alg.parameters:
if isinstance(param, ParameterMultipleInput) and param.datatype != ParameterMultipleInput.TYPE_FILE:
if param.datatype == ParameterMultipleInput.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers([param.datatype], sorting=False)
opts = [self.getExtendedLayerName(opt) for opt in options]
widget = self.valueItems[param.name]
widget.updateForOptions(opts)
def fillTree(self):
layersItem = QtGui.QTreeWidgetItem()
layersItem.setText(0, "Values from data layers extents")
self.tree.addTopLevelItem(layersItem)
layers = dataobjects.getAllLayers()
for layer in layers:
layerItem = QtGui.QTreeWidgetItem()
layerItem.setText(0, unicode(layer.name()))
layerItem.addChild(TreeValueItem("Min X", layer.extent().xMinimum()))
layerItem.addChild(TreeValueItem("Max X", layer.extent().xMaximum()))
layerItem.addChild(TreeValueItem("Min Y", layer.extent().yMinimum()))
layerItem.addChild(TreeValueItem("Max y", layer.extent().yMaximum()))
if isinstance(layer, QgsRasterLayer):
cellsize = (layer.extent().xMaximum() - layer.extent().xMinimum())/layer.width()
layerItem.addChild(TreeValueItem("Cellsize", cellsize))
layersItem.addChild(layerItem)
layersItem = QtGui.QTreeWidgetItem()
layersItem.setText(0, "Values from raster layers statistics")
self.tree.addTopLevelItem(layersItem)
layers = dataobjects.getRasterLayers()
for layer in layers:
for i in range(layer.bandCount()):
if QGis.QGIS_VERSION_INT >= 10900:
stats = layer.dataProvider().bandStatistics(i+1)
else:
stats = layer.bandStatistics(i)
layerItem = QtGui.QTreeWidgetItem()
layerItem.setText(0, unicode(layer.name()))
layerItem.addChild(TreeValueItem("Mean", stats.mean))
layerItem.addChild(TreeValueItem("Std. deviation", stats.stdDev))
layerItem.addChild(TreeValueItem("Max value", stats.maximumValue))
layerItem.addChild(TreeValueItem("Min value", stats.minimumValue))
layersItem.addChild(layerItem)
canvasItem = QtGui.QTreeWidgetItem()
canvasItem.setText(0, "Values from QGIS map canvas")
self.tree.addTopLevelItem(canvasItem)
extent = interface.iface.mapCanvas().extent()
extentItem = QtGui.QTreeWidgetItem()
extentItem.setText(0, "Current extent")
extentItem.addChild(TreeValueItem("Min X", extent.xMinimum()))
extentItem.addChild(TreeValueItem("Max X", extent.xMaximum()))
extentItem.addChild(TreeValueItem("Min Y", extent.yMinimum()))
extentItem.addChild(TreeValueItem("Max y", extent.yMaximum()))
canvasItem.addChild(extentItem)
extent = interface.iface.mapCanvas().fullExtent()
extentItem = QtGui.QTreeWidgetItem()
extentItem.setText(0, "Full extent of all layers in map canvas")
extentItem.addChild(TreeValueItem("Min X", extent.xMinimum()))
extentItem.addChild(TreeValueItem("Max X", extent.xMaximum()))
extentItem.addChild(TreeValueItem("Min Y", extent.yMinimum()))
extentItem.addChild(TreeValueItem("Max y", extent.yMaximum()))
canvasItem.addChild(extentItem)
def setParamValue(self, param, widget):
"""
set the .value of the parameter according to the given widget
the way to get the value is different for each value,
so there is a code for each kind of parameter
param : -il <ParameterMultipleInput> or -method <ParameterSelection> ...
"""
if isinstance(param, ParameterRaster):
return param.setValue(widget.getValue())
elif isinstance(param, (ParameterVector, ParameterTable)):
try:
return param.setValue(widget.itemData(widget.currentIndex()))
except:
return param.setValue(widget.getValue())
elif isinstance(param, ParameterBoolean):
return param.setValue(widget.currentIndex() == 0)
elif isinstance(param, ParameterSelection):
return param.setValue(widget.currentIndex())
elif isinstance(param, ParameterFixedTable):
return param.setValue(widget.table)
elif isinstance(param, ParameterRange):
return param.setValue(widget.getValue())
if isinstance(param, ParameterTableField):
if param.optional and widget.currentIndex() == 0:
return param.setValue(None)
return param.setValue(widget.currentText())
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers()
else:
options = dataobjects.getRasterLayers()
value = []
for index in widget.selectedoptions:
value.append(options[index])
return param.setValue(value)
elif isinstance(param, ParameterMultipleExternalInput):
value = widget.selectedoptions
return param.setValue(value)
elif isinstance(param, (ParameterNumber, ParameterFile, ParameterCrs,
ParameterExtent)):
return param.setValue(widget.getValue())
elif isinstance(param, ParameterString):
if param.multiline:
return param.setValue(unicode(widget.toPlainText()))
else:
return param.setValue(unicode(widget.text()))
else:
return param.setValue(unicode(widget.text()))
def createWidget(self):
if self.dialogType == DIALOG_STANDARD:
layers = dataobjects.getRasterLayers(sorting=False)
options = {}
for lyr in layers:
for n in range(lyr.bandCount()):
name = '{:s}@{:d}'.format(lyr.name(), n + 1)
options[name] = name
return self._panel(options)
elif self.dialogType == DIALOG_BATCH:
return QLineEdit()
else:
layers = self.dialog.getAvailableValuesOfType(ParameterRaster, OutputRaster)
options = {self.dialog.resolveValueDescription(lyr): "{}@1".format(lyr) for lyr in layers}
return self._panel(options)
def setParamValue(self, param, widget):
"""
set the .value of the parameter according to the given widget
the way to get the value is different for each value,
so there is a code for each kind of parameter
param : -il <ParameterMultipleInput> or -method <ParameterSelection> ...
"""
if isinstance(param, ParameterRaster):
return param.setValue(widget.getValue())
elif isinstance(param, (ParameterVector, ParameterTable)):
try:
return param.setValue(widget.itemData(widget.currentIndex()))
except:
return param.setValue(widget.getValue())
elif isinstance(param, ParameterBoolean):
return param.setValue(widget.currentIndex() == 0)
elif isinstance(param, ParameterSelection):
return param.setValue(widget.currentIndex())
elif isinstance(param, ParameterFixedTable):
return param.setValue(widget.table)
elif isinstance(param, ParameterRange):
return param.setValue(widget.getValue())
if isinstance(param, ParameterTableField):
if param.optional and widget.currentIndex() == 0:
return param.setValue(None)
return param.setValue(widget.currentText())
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_FILE:
return param.setValue(widget.selectedoptions)
else:
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers()
else:
options = dataobjects.getRasterLayers()
return param.setValue(
[options[i] for i in widget.selectedoptions])
elif isinstance(
param,
(ParameterNumber, ParameterFile, ParameterCrs, ParameterExtent)):
return param.setValue(widget.getValue())
elif isinstance(param, ParameterString):
if param.multiline:
return param.setValue(unicode(widget.toPlainText()))
else:
return param.setValue(unicode(widget.text()))
else:
return param.setValue(unicode(widget.text()))
def expressionContext(self):
context = QgsExpressionContext()
context.appendScope(QgsExpressionContextUtils.globalScope())
context.appendScope(QgsExpressionContextUtils.projectScope())
processingScope = QgsExpressionContextScope()
layers = dataobjects.getAllLayers()
for layer in layers:
name = layer.name()
processingScope.setVariable('%s_minx' % name,
layer.extent().xMinimum())
processingScope.setVariable('%s_miny' % name,
layer.extent().yMinimum())
processingScope.setVariable('%s_maxx' % name,
layer.extent().xMaximum())
processingScope.setVariable('%s_maxy' % name,
layer.extent().yMaximum())
if isinstance(layer, QgsRasterLayer):
cellsize = (layer.extent().xMaximum() -
layer.extent().xMinimum()) / layer.width()
processingScope.setVariable('%s_cellsize' % name, cellsize)
layers = dataobjects.getRasterLayers()
for layer in layers:
for i in range(layer.bandCount()):
stats = layer.dataProvider().bandStatistics(i + 1)
processingScope.setVariable('%s_band%i_avg' % (name, i + 1),
stats.mean)
processingScope.setVariable('%s_band%i_stddev' % (name, i + 1),
stats.stdDev)
processingScope.setVariable('%s_band%i_min' % (name, i + 1),
stats.minimumValue)
processingScope.setVariable('%s_band%i_max' % (name, i + 1),
stats.maximumValue)
extent = iface.mapCanvas().extent()
processingScope.setVariable('canvasextent_minx', extent.xMinimum())
processingScope.setVariable('canvasextent_miny', extent.yMinimum())
processingScope.setVariable('canvasextent_maxx', extent.xMaximum())
processingScope.setVariable('canvasextent_maxy', extent.yMaximum())
extent = iface.mapCanvas().fullExtent()
processingScope.setVariable('fullextent_minx', extent.xMinimum())
processingScope.setVariable('fullextent_miny', extent.yMinimum())
processingScope.setVariable('fullextent_maxx', extent.xMaximum())
processingScope.setVariable('fullextent_maxy', extent.yMaximum())
context.appendScope(processingScope)
return context
def getWidgetFromParameter(self, param):
"""
Overload for custom Qwidget(Panel) from Parameter
return item : Qwidget(Panel)
"""
if param.name in ["INPUTS_MATRIX"]:
options = dataobjects.getRasterLayers(sorting=False)
opts = [self.getExtendedLayerName(opt) for opt in options]
item = OrderedMultipleInputPanel(opts)
else:
# == default Wigdet from Parameter, i.e. use parent method
item = ParametersPanel.getWidgetFromParameter(self,param)
return item
def setValue(self, obj):
self.exported = None
if obj is None:
if self.optional:
self.value = None
return True
else:
return False
if isinstance(obj, QgsRasterLayer):
self.value = unicode(obj.dataProvider().dataSourceUri())
return True
else:
self.value = unicode(obj)
layers = dataobjects.getRasterLayers()
for layer in layers:
if layer.name() == self.value:
self.value = unicode(layer.dataProvider().dataSourceUri())
return True
return os.path.exists(self.value)
def createWidget(self):
if self.dialogType == DIALOG_STANDARD:
layers = dataobjects.getRasterLayers(sorting=False)
options = {}
for lyr in layers:
for n in range(lyr.bandCount()):
name = '{:s}@{:d}'.format(lyr.name(), n + 1)
options[name] = name
return self._panel(options)
elif self.dialogType == DIALOG_BATCH:
return QLineEdit()
else:
layers = self.dialog.getAvailableValuesOfType(
ParameterRaster, OutputRaster)
options = {
self.dialog.resolveValueDescription(lyr): "{}@1".format(lyr)
for lyr in layers
}
return self._panel(options)
def createWidget(self):
if self.dialogType == DIALOG_STANDARD:
if self.param.datatype == dataobjects.TYPE_FILE:
return MultipleInputPanel(datatype=dataobjects.TYPE_FILE)
else:
if self.param.datatype == dataobjects.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif self.param.datatype == dataobjects.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers([self.param.datatype], sorting=False)
opts = [getExtendedLayerName(opt) for opt in options]
return MultipleInputPanel(opts)
elif self.dialogType == DIALOG_BATCH:
widget = BatchInputSelectionPanel(self.param, self.row, self.col, self.dialog)
widget.valueChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
return widget
else:
options = [self.dialog.resolveValueDescription(opt) for opt in self._getOptions()]
return MultipleInputPanel(options)
def value(self):
if self.dialogType == DIALOG_STANDARD:
if self.param.datatype == dataobjects.TYPE_FILE:
return self.param.setValue(self.widget.selectedoptions)
else:
if self.param.datatype == dataobjects.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif self.param.datatype == dataobjects.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers([self.param.datatype], sorting=False)
return [options[i] for i in self.widget.selectedoptions]
elif self.dialogType == DIALOG_BATCH:
return self.widget.getText()
else:
options = self._getOptions()
values = [options[i] for i in self.widget.selectedoptions]
if len(values) == 0 and not self.param.optional:
raise InvalidParameterValue()
return values
def createWidget(self):
if self.dialogType == DIALOG_STANDARD:
layers = dataobjects.getRasterLayers()
items = []
if self.param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((getExtendedLayerName(layer), layer))
return InputLayerSelectorPanel(items, self.param)
elif self.dialogType == DIALOG_BATCH:
return BatchInputSelectionPanel(self.param, self.row, self.col, self.dialog)
else:
widget = QComboBox()
widget.setEditable(True)
files = self.dialog.getAvailableValuesOfType(ParameterRaster, OutputRaster)
for f in files:
widget.addItem(self.dialog.resolveValueDescription(f), f)
if self.param.optional:
widget.setEditText("")
return widget
def setParamValue(self, param, widget, alg=None):
if isinstance(param, ParameterRaster):
return param.setValue(widget.getValue())
elif isinstance(param, (ParameterVector, ParameterTable)):
try:
return param.setValue(widget.itemData(widget.currentIndex()))
except:
return param.setValue(widget.getValue())
elif isinstance(param, ParameterBoolean):
return param.setValue(widget.isChecked())
elif isinstance(param, ParameterSelection):
return param.setValue(widget.currentIndex())
elif isinstance(param, ParameterFixedTable):
return param.setValue(widget.table)
elif isinstance(param, ParameterRange):
return param.setValue(widget.getValue())
if isinstance(param, ParameterTableField):
if param.optional and widget.currentIndex() == 0:
return param.setValue(None)
return param.setValue(widget.currentText())
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_FILE:
return param.setValue(widget.selectedoptions)
else:
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getRasterLayers(sorting=False)
return param.setValue([options[i] for i in widget.selectedoptions])
elif isinstance(param, (ParameterNumber, ParameterFile, ParameterCrs,
ParameterExtent)):
return param.setValue(widget.getValue())
elif isinstance(param, ParameterString):
if param.multiline:
return param.setValue(unicode(widget.toPlainText()))
else:
return param.setValue(unicode(widget.text()))
elif isinstance(param, ParameterGeometryPredicate):
return param.setValue(widget.value())
else:
return param.setValue(unicode(widget.text()))
def setParamValue(self, param, widget, alg=None):
if isinstance(param, ParameterRaster):
return param.setValue(widget.getValue())
elif isinstance(param, (ParameterVector, ParameterTable)):
try:
return param.setValue(widget.itemData(widget.currentIndex()))
except:
return param.setValue(widget.getValue())
elif isinstance(param, ParameterBoolean):
return param.setValue(widget.isChecked())
elif isinstance(param, ParameterSelection):
return param.setValue(widget.currentIndex())
elif isinstance(param, ParameterFixedTable):
return param.setValue(widget.table)
elif isinstance(param, ParameterRange):
return param.setValue(widget.getValue())
if isinstance(param, ParameterTableField):
if param.optional and widget.currentIndex() == 0:
return param.setValue(None)
return param.setValue(widget.currentText())
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_FILE:
return param.setValue(widget.selectedoptions)
else:
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getRasterLayers(sorting=False)
return param.setValue(
[options[i] for i in widget.selectedoptions])
elif isinstance(
param,
(ParameterNumber, ParameterFile, ParameterCrs, ParameterExtent)):
return param.setValue(widget.getValue())
elif isinstance(param, ParameterString):
if param.multiline:
return param.setValue(unicode(widget.toPlainText()))
else:
return param.setValue(unicode(widget.text()))
else:
return param.setValue(unicode(widget.text()))
def getAsString(self, value):
if self.datatype == ParameterMultipleInput.TYPE_RASTER:
if isinstance(value, QgsRasterLayer):
return unicode(value.dataProvider().dataSourceUri())
else:
s = unicode(value)
layers = dataobjects.getRasterLayers()
for layer in layers:
if layer.name() == s:
return unicode(layer.dataProvider().dataSourceUri())
return s
else:
if isinstance(value, QgsVectorLayer):
return unicode(value.source())
else:
s = unicode(value)
layers = dataobjects.getVectorLayers(self.datatype)
for layer in layers:
if layer.name() == s:
return unicode(layer.source())
return s
def getAsString(self, value):
if self.datatype == ParameterMultipleInput.TYPE_RASTER:
if isinstance(value, QgsRasterLayer):
return unicode(value.dataProvider().dataSourceUri())
else:
s = unicode(value)
layers = dataobjects.getRasterLayers()
for layer in layers:
if layer.name() == s:
return unicode(layer.dataProvider().dataSourceUri())
return s
else:
if isinstance(value, QgsVectorLayer):
return unicode(value.source())
else:
s = unicode(value)
layers = dataobjects.getVectorLayers(self.datatype)
for layer in layers:
if layer.name() == s:
return unicode(layer.source())
return s
def expressionContext(self):
context = QgsExpressionContext()
context.appendScope(QgsExpressionContextUtils.globalScope())
context.appendScope(QgsExpressionContextUtils.projectScope())
processingScope = QgsExpressionContextScope()
layers = dataobjects.getAllLayers()
for layer in layers:
name = layer.name()
processingScope.setVariable('%s_minx' % name, layer.extent().xMinimum())
processingScope.setVariable('%s_miny' % name, layer.extent().yMinimum())
processingScope.setVariable('%s_maxx' % name, layer.extent().xMaximum())
processingScope.setVariable('%s_maxy' % name, layer.extent().yMaximum())
if isinstance(layer, QgsRasterLayer):
cellsize = (layer.extent().xMaximum()
- layer.extent().xMinimum()) / layer.width()
processingScope.setVariable('%s_cellsize' % name, cellsize)
layers = dataobjects.getRasterLayers()
for layer in layers:
for i in range(layer.bandCount()):
stats = layer.dataProvider().bandStatistics(i + 1)
processingScope.setVariable('%s_band%i_avg' % (name, i + 1), stats.mean)
processingScope.setVariable('%s_band%i_stddev' % (name, i + 1), stats.stdDev)
processingScope.setVariable('%s_band%i_min' % (name, i + 1), stats.minimumValue)
processingScope.setVariable('%s_band%i_max' % (name, i + 1), stats.maximumValue)
extent = iface.mapCanvas().extent()
processingScope.setVariable('canvasextent_minx', extent.xMinimum())
processingScope.setVariable('canvasextent_miny', extent.yMinimum())
processingScope.setVariable('canvasextent_maxx', extent.xMaximum())
processingScope.setVariable('canvasextent_maxy', extent.yMaximum())
extent = iface.mapCanvas().fullExtent()
processingScope.setVariable('fullextent_minx', extent.xMinimum())
processingScope.setVariable('fullextent_miny', extent.yMinimum())
processingScope.setVariable('fullextent_maxx', extent.xMaximum())
processingScope.setVariable('fullextent_maxy', extent.yMaximum())
context.appendScope(processingScope)
return context
def setParamValue(self, param, widget):
if isinstance(param, ParameterRaster):
return param.setValue(widget.getValue())
elif isinstance(param, (ParameterVector, ParameterTable)):
try:
return param.setValue(widget.itemData(widget.currentIndex()))
except:
return param.setValue(widget.getValue())
elif isinstance(param, ParameterBoolean):
return param.setValue(widget.currentIndex() == 0)
elif isinstance(param, ParameterSelection):
return param.setValue(widget.currentIndex())
elif isinstance(param, ParameterFixedTable):
return param.setValue(widget.table)
elif isinstance(param, ParameterRange):
return param.setValue(widget.getValue())
if isinstance(param, ParameterTableField):
return param.setValue(widget.currentText())
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers()
else:
options = dataobjects.getRasterLayers()
value = []
for index in widget.selectedoptions:
value.append(options[index])
return param.setValue(value)
elif isinstance(
param,
(ParameterNumber, ParameterFile, ParameterCrs, ParameterExtent)):
return param.setValue(widget.getValue())
elif isinstance(param, ParameterString):
if param.multiline:
return param.setValue(unicode(widget.toPlainText()))
else:
return param.setValue(unicode(widget.text()))
else:
return param.setValue(unicode(widget.text()))
def setParamValue(self, param, widget):
if isinstance(param, ParameterRaster):
return param.setValue(widget.getValue())
elif isinstance(param, (ParameterVector, ParameterTable)):
try:
return param.setValue(widget.itemData(widget.currentIndex()))
except:
return param.setValue(widget.getValue())
elif isinstance(param, ParameterBoolean):
return param.setValue(widget.currentIndex() == 0)
elif isinstance(param, ParameterSelection):
return param.setValue(widget.currentIndex())
elif isinstance(param, ParameterFixedTable):
return param.setValue(widget.table)
elif isinstance(param, ParameterRange):
return param.setValue(widget.getValue())
if isinstance(param, ParameterTableField):
return param.setValue(widget.currentText())
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers()
else:
options = dataobjects.getRasterLayers()
value = []
for index in widget.selectedoptions:
value.append(options[index])
return param.setValue(value)
elif isinstance(param, (ParameterNumber, ParameterFile, ParameterCrs,
ParameterExtent)):
return param.setValue(widget.getValue())
elif isinstance(param, ParameterString):
if param.multiline:
return param.setValue(unicode(widget.toPlainText()))
else:
return param.setValue(unicode(widget.text()))
else:
return param.setValue(unicode(widget.text()))
def getAsString(self, value):
if self.datatype == dataobjects.TYPE_RASTER:
if isinstance(value, QgsRasterLayer):
return str(value.dataProvider().dataSourceUri())
else:
s = str(value)
layers = dataobjects.getRasterLayers()
for layer in layers:
if layer.name() == s:
return str(layer.dataProvider().dataSourceUri())
return s
if self.datatype == dataobjects.TYPE_FILE:
return str(value)
else:
if isinstance(value, QgsVectorLayer):
return str(value.source())
else:
s = str(value)
layers = dataobjects.getVectorLayers([self.datatype])
for layer in layers:
if layer.name() == s:
return str(layer.source())
return s
def getWidgetFromParameter(self, param):
if isinstance(param, ParameterRaster):
layers = dataobjects.getRasterLayers()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
item = InputLayerSelectorPanel(items)
elif isinstance(param, ParameterVector):
if self.somethingDependsOnThisParameter(param) \
or self.alg.allowOnlyOpenedLayers:
item = QtGui.QComboBox()
layers = dataobjects.getVectorLayers(param.shapetype)
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(self.getExtendedLayerName(layer), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getVectorLayers(param.shapetype)
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
item = InputLayerSelectorPanel(items)
elif isinstance(param, ParameterTable):
if self.somethingDependsOnThisParameter(param):
item = QtGui.QComboBox()
layers = dataobjects.getTables()
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(layer.name(), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getTables()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((layer.name(), layer))
item = InputLayerSelectorPanel(items)
elif isinstance(param, ParameterBoolean):
item = QtGui.QComboBox()
item.addItem('Yes')
item.addItem('No')
if param.default:
item.setCurrentIndex(0)
else:
item.setCurrentIndex(1)
elif isinstance(param, ParameterTableField):
item = QtGui.QComboBox()
if param.parent in self.dependentItems:
items = self.dependentItems[param.parent]
else:
items = []
self.dependentItems[param.parent] = items
items.append(param.name)
parent = self.alg.getParameterFromName(param.parent)
if isinstance(parent, ParameterVector):
layers = dataobjects.getVectorLayers(parent.shapetype)
else:
layers = dataobjects.getTables()
if len(layers) > 0:
item.addItems(self.getFields(layers[0], param.datatype))
elif isinstance(param, ParameterSelection):
item = QtGui.QComboBox()
item.addItems(param.options)
item.setCurrentIndex(param.default)
elif isinstance(param, ParameterFixedTable):
item = FixedTablePanel(param)
elif isinstance(param, ParameterRange):
item = RangePanel(param)
elif isinstance(param, ParameterFile):
item = FileSelectionPanel(param.isFolder)
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_RASTER:
options = dataobjects.getRasterLayers()
elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers()
else:
options = dataobjects.getVectorLayers([param.datatype])
opts = []
for opt in options:
opts.append(self.getExtendedLayerName(opt))
item = MultipleInputPanel(opts)
elif isinstance(param, ParameterNumber):
item = NumberInputPanel(param.default, param.min, param.max,
param.isInteger)
elif isinstance(param, ParameterExtent):
item = ExtentSelectionPanel(self.parent, self.alg, param.default)
elif isinstance(param, ParameterCrs):
item = CrsSelectionPanel(param.default)
elif isinstance(param, ParameterString):
if param.multiline:
verticalLayout = QtGui.QVBoxLayout()
verticalLayout.setSizeConstraint(
QtGui.QLayout.SetDefaultConstraint)
textEdit = QtGui.QPlainTextEdit()
textEdit.setPlainText(param.default)
verticalLayout.addWidget(textEdit)
item = textEdit
else:
item = QtGui.QLineEdit()
item.setText(str(param.default))
else:
item = QtGui.QLineEdit()
item.setText(str(param.default))
return item
def getWidgetFromParameter(self, param):
# TODO Create Parameter widget class that holds the logic
# for creating a widget that belongs to the parameter.
if isinstance(param, ParameterRaster):
layers = dataobjects.getRasterLayers()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterVector):
if self.somethingDependsOnThisParameter(
param) or self.alg.allowOnlyOpenedLayers:
item = QComboBox()
layers = dataobjects.getVectorLayers(param.shapetype)
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(self.getExtendedLayerName(layer), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getVectorLayers(param.shapetype)
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
# if already set, put first in list
for i, (name, layer) in enumerate(items):
if layer and layer.source() == param.value:
items.insert(0, items.pop(i))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterTable):
if self.somethingDependsOnThisParameter(param):
item = QComboBox()
layers = dataobjects.getTables()
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(layer.name(), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getTables()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((layer.name(), layer))
# if already set, put first in list
for i, (name, layer) in enumerate(items):
if layer and layer.source() == param.value:
items.insert(0, items.pop(i))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterBoolean):
item = QCheckBox()
if param.default:
item.setChecked(True)
else:
item.setChecked(False)
elif isinstance(param, ParameterTableField):
item = QComboBox()
if param.parent in self.dependentItems:
items = self.dependentItems[param.parent]
else:
items = []
self.dependentItems[param.parent] = items
items.append(param.name)
parent = self.alg.getParameterFromName(param.parent)
if isinstance(parent, ParameterVector):
layers = dataobjects.getVectorLayers(parent.shapetype)
else:
layers = dataobjects.getTables()
if len(layers) > 0:
if param.optional:
item.addItem(self.tr("[not set]"))
item.addItems(self.getFields(layers[0], param.datatype))
elif isinstance(param, ParameterSelection):
item = QComboBox()
item.addItems(param.options)
item.setCurrentIndex(param.default)
elif isinstance(param, ParameterFixedTable):
item = FixedTablePanel(param)
elif isinstance(param, ParameterRange):
item = RangePanel(param)
elif isinstance(param, ParameterFile):
item = FileSelectionPanel(param.isFolder, param.ext)
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_FILE:
item = MultipleFileInputPanel()
else:
if param.datatype == ParameterMultipleInput.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers([param.datatype],
sorting=False)
opts = []
for opt in options:
opts.append(self.getExtendedLayerName(opt))
item = MultipleInputPanel(opts)
elif isinstance(param, ParameterNumber):
item = NumberInputPanel(param.default, param.min, param.max,
param.isInteger)
elif isinstance(param, ParameterExtent):
item = ExtentSelectionPanel(self.parent, self.alg, param.default)
elif isinstance(param, ParameterCrs):
item = CrsSelectionPanel(param.default)
elif isinstance(param, ParameterString):
if param.multiline:
verticalLayout = QVBoxLayout()
verticalLayout.setSizeConstraint(QLayout.SetDefaultConstraint)
textEdit = QPlainTextEdit()
textEdit.setPlainText(param.default)
verticalLayout.addWidget(textEdit)
item = textEdit
else:
item = QLineEdit()
item.setText(str(param.default))
else:
item = QLineEdit()
item.setText(str(param.default))
return item
def getWidgetFromParameter(self, param):
# TODO Create Parameter widget class that holds the logic
# for creating a widget that belongs to the parameter.
if isinstance(param, ParameterRaster):
layers = dataobjects.getRasterLayers()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
item = InputLayerSelectorPanel(items)
elif isinstance(param, ParameterVector):
if self.somethingDependsOnThisParameter(param) \
or self.alg.allowOnlyOpenedLayers:
item = QtGui.QComboBox()
layers = dataobjects.getVectorLayers(param.shapetype)
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(self.getExtendedLayerName(layer), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getVectorLayers(param.shapetype)
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
item = InputLayerSelectorPanel(items)
elif isinstance(param, ParameterTable):
if self.somethingDependsOnThisParameter(param):
item = QtGui.QComboBox()
layers = dataobjects.getTables()
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(layer.name(), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getTables()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((layer.name(), layer))
item = InputLayerSelectorPanel(items)
elif isinstance(param, ParameterBoolean):
item = QtGui.QComboBox()
item.addItem('Yes')
item.addItem('No')
if param.default:
item.setCurrentIndex(0)
else:
item.setCurrentIndex(1)
elif isinstance(param, ParameterTableField):
item = QtGui.QComboBox()
if param.parent in self.dependentItems:
items = self.dependentItems[param.parent]
else:
items = []
self.dependentItems[param.parent] = items
items.append(param.name)
parent = self.alg.getParameterFromName(param.parent)
if isinstance(parent, ParameterVector):
layers = dataobjects.getVectorLayers(parent.shapetype)
else:
layers = dataobjects.getTables()
if len(layers) > 0:
item.addItems(self.getFields(layers[0], param.datatype))
elif isinstance(param, ParameterSelection):
item = QtGui.QComboBox()
item.addItems(param.options)
item.setCurrentIndex(param.default)
elif isinstance(param, ParameterFixedTable):
item = FixedTablePanel(param)
elif isinstance(param, ParameterRange):
item = RangePanel(param)
elif isinstance(param, ParameterFile):
item = FileSelectionPanel(param.isFolder)
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_RASTER:
options = dataobjects.getRasterLayers()
elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers()
else:
options = dataobjects.getVectorLayers([param.datatype])
opts = []
for opt in options:
opts.append(self.getExtendedLayerName(opt))
item = MultipleInputPanel(opts)
elif isinstance(param, ParameterNumber):
item = NumberInputPanel(param.default, param.min, param.max,
param.isInteger)
elif isinstance(param, ParameterExtent):
item = ExtentSelectionPanel(self.parent, self.alg, param.default)
elif isinstance(param, ParameterCrs):
item = CrsSelectionPanel(param.default)
elif isinstance(param, ParameterString):
if param.multiline:
verticalLayout = QtGui.QVBoxLayout()
verticalLayout.setSizeConstraint(
QtGui.QLayout.SetDefaultConstraint)
textEdit = QtGui.QPlainTextEdit()
textEdit.setPlainText(param.default)
verticalLayout.addWidget(textEdit)
item = textEdit
else:
item = QtGui.QLineEdit()
item.setText(str(param.default))
else:
item = QtGui.QLineEdit()
item.setText(str(param.default))
return item
def getWidgetFromParameter(self, param):
# TODO Create Parameter widget class that holds the logic
# for creating a widget that belongs to the parameter.
if isinstance(param, ParameterRaster):
layers = dataobjects.getRasterLayers()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterVector):
if self.somethingDependsOnThisParameter(param) or self.alg.allowOnlyOpenedLayers:
item = QComboBox()
layers = dataobjects.getVectorLayers(param.shapetype)
layers.sort(key=lambda lay: lay.name())
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(self.getExtendedLayerName(layer), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getVectorLayers(param.shapetype)
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((self.getExtendedLayerName(layer), layer))
# if already set, put first in list
for i,(name,layer) in enumerate(items):
if layer and layer.source() == param.value:
items.insert(0, items.pop(i))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterTable):
if self.somethingDependsOnThisParameter(param):
item = QComboBox()
layers = dataobjects.getTables()
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(layer.name(), layer)
item.currentIndexChanged.connect(self.updateDependentFields)
item.name = param.name
else:
layers = dataobjects.getTables()
items = []
if param.optional:
items.append((self.NOT_SELECTED, None))
for layer in layers:
items.append((layer.name(), layer))
# if already set, put first in list
for i,(name,layer) in enumerate(items):
if layer and layer.source() == param.value:
items.insert(0, items.pop(i))
item = InputLayerSelectorPanel(items, param)
elif isinstance(param, ParameterBoolean):
item = QCheckBox()
if param.default:
item.setChecked(True)
else:
item.setChecked(False)
elif isinstance(param, ParameterTableField):
item = QComboBox()
if param.parent in self.dependentItems:
items = self.dependentItems[param.parent]
else:
items = []
self.dependentItems[param.parent] = items
items.append(param.name)
parent = self.alg.getParameterFromName(param.parent)
if isinstance(parent, ParameterVector):
layers = dataobjects.getVectorLayers(parent.shapetype)
else:
layers = dataobjects.getTables()
if len(layers) > 0:
if param.optional:
item.addItem(self.tr('[not set]'))
item.addItems(self.getFields(layers[0], param.datatype))
elif isinstance(param, ParameterSelection):
item = QComboBox()
item.addItems(param.options)
item.setCurrentIndex(param.default)
elif isinstance(param, ParameterFixedTable):
item = FixedTablePanel(param)
elif isinstance(param, ParameterRange):
item = RangePanel(param)
elif isinstance(param, ParameterFile):
item = FileSelectionPanel(param.isFolder, param.ext)
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_FILE:
item = MultipleInputPanel(datatype=ParameterMultipleInput.TYPE_FILE)
else:
if param.datatype == ParameterMultipleInput.TYPE_RASTER:
options = dataobjects.getRasterLayers(sorting=False)
elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = dataobjects.getVectorLayers(sorting=False)
else:
options = dataobjects.getVectorLayers([param.datatype], sorting=False)
opts = []
for opt in options:
opts.append(self.getExtendedLayerName(opt))
item = MultipleInputPanel(opts)
elif isinstance(param, ParameterNumber):
item = NumberInputPanel(param.default, param.min, param.max,
param.isInteger)
elif isinstance(param, ParameterExtent):
item = ExtentSelectionPanel(self.parent, self.alg, param.default)
elif isinstance(param, ParameterCrs):
item = CrsSelectionPanel(param.default)
elif isinstance(param, ParameterString):
if param.multiline:
verticalLayout = QVBoxLayout()
verticalLayout.setSizeConstraint(
QLayout.SetDefaultConstraint)
textEdit = QPlainTextEdit()
textEdit.setPlainText(param.default)
verticalLayout.addWidget(textEdit)
item = textEdit
else:
item = QLineEdit()
item.setText(str(param.default))
elif isinstance(param, ParameterGeometryPredicate):
item = GeometryPredicateSelectionPanel(param.enabledPredicates)
if param.left:
widget = self.valueItems[param.left]
if isinstance(widget, InputLayerSelectorPanel):
widget = widget.cmbText
widget.currentIndexChanged.connect(item.onLeftLayerChange)
item.leftLayer = widget.itemData(widget.currentIndex())
if param.right:
widget = self.valueItems[param.right]
if isinstance(widget, InputLayerSelectorPanel):
widget = widget.cmbText
widget.currentIndexChanged.connect(item.onRightLayerChange)
item.rightLayer = widget.itemData(widget.currentIndex())
item.updatePredicates()
item.setValue(param.default)
else:
item = QLineEdit()
item.setText(str(param.default))
return item
def fillTree(self):
layersItem = QTreeWidgetItem()
layersItem.setText(0, self.tr('Values from data layers extents'))
self.treeValues.addTopLevelItem(layersItem)
layers = dataobjects.getAllLayers()
for layer in layers:
layerItem = QTreeWidgetItem()
layerItem.setText(0, unicode(layer.name()))
layerItem.addChild(TreeValueItem(self.tr('Min X'),
layer.extent().xMinimum()))
layerItem.addChild(TreeValueItem(self.tr('Max X'),
layer.extent().xMaximum()))
layerItem.addChild(TreeValueItem(self.tr('Min Y'),
layer.extent().yMinimum()))
layerItem.addChild(TreeValueItem(self.tr('Max Y'),
layer.extent().yMaximum()))
if isinstance(layer, QgsRasterLayer):
cellsize = (layer.extent().xMaximum()
- layer.extent().xMinimum()) / layer.width()
layerItem.addChild(TreeValueItem(self.tr('Cellsize'),
cellsize))
layersItem.addChild(layerItem)
layersItem = QTreeWidgetItem()
layersItem.setText(0, self.tr('Values from raster layers statistics'))
self.treeValues.addTopLevelItem(layersItem)
layers = dataobjects.getRasterLayers()
for layer in layers:
for i in range(layer.bandCount()):
stats = layer.dataProvider().bandStatistics(i + 1)
layerItem = QTreeWidgetItem()
layerItem.setText(0, unicode(layer.name()))
layerItem.addChild(TreeValueItem(self.tr('Mean'), stats.mean))
layerItem.addChild(TreeValueItem(self.tr('Std. deviation'),
stats.stdDev))
layerItem.addChild(TreeValueItem(self.tr('Max value'),
stats.maximumValue))
layerItem.addChild(TreeValueItem(self.tr('Min value'),
stats.minimumValue))
layersItem.addChild(layerItem)
canvasItem = QTreeWidgetItem()
canvasItem.setText(0, self.tr('Values from QGIS map canvas'))
self.treeValues.addTopLevelItem(canvasItem)
extent = iface.mapCanvas().extent()
extentItem = QTreeWidgetItem()
extentItem.setText(0, self.tr('Current extent'))
extentItem.addChild(TreeValueItem(self.tr('Min X'), extent.xMinimum()))
extentItem.addChild(TreeValueItem(self.tr('Max X'), extent.xMaximum()))
extentItem.addChild(TreeValueItem(self.tr('Min Y'), extent.yMinimum()))
extentItem.addChild(TreeValueItem(self.tr('Max Y'), extent.yMaximum()))
canvasItem.addChild(extentItem)
extent = iface.mapCanvas().fullExtent()
extentItem = QTreeWidgetItem()
extentItem.setText(0,
self.tr('Full extent of all layers in map canvas'))
extentItem.addChild(TreeValueItem(self.tr('Min X'), extent.xMinimum()))
extentItem.addChild(TreeValueItem(self.tr('Max X'), extent.xMaximum()))
extentItem.addChild(TreeValueItem(self.tr('Min Y'), extent.yMinimum()))
extentItem.addChild(TreeValueItem(self.tr('Max Y'), extent.yMaximum()))
canvasItem.addChild(extentItem)
def fillTree(self):
layersItem = QTreeWidgetItem()
layersItem.setText(0, self.tr('Values from data layers extents'))
self.treeValues.addTopLevelItem(layersItem)
layers = dataobjects.getAllLayers()
for layer in layers:
layerItem = QTreeWidgetItem()
layerItem.setText(0, unicode(layer.name()))
layerItem.addChild(
TreeValueItem(self.tr('Min X'),
layer.extent().xMinimum()))
layerItem.addChild(
TreeValueItem(self.tr('Max X'),
layer.extent().xMaximum()))
layerItem.addChild(
TreeValueItem(self.tr('Min Y'),
layer.extent().yMinimum()))
layerItem.addChild(
TreeValueItem(self.tr('Max Y'),
layer.extent().yMaximum()))
if isinstance(layer, QgsRasterLayer):
cellsize = (layer.extent().xMaximum() -
layer.extent().xMinimum()) / layer.width()
layerItem.addChild(TreeValueItem(self.tr('Cellsize'),
cellsize))
layersItem.addChild(layerItem)
layersItem = QTreeWidgetItem()
layersItem.setText(0, self.tr('Values from raster layers statistics'))
self.treeValues.addTopLevelItem(layersItem)
layers = dataobjects.getRasterLayers()
for layer in layers:
for i in range(layer.bandCount()):
stats = layer.dataProvider().bandStatistics(i + 1)
layerItem = QTreeWidgetItem()
layerItem.setText(0, unicode(layer.name()))
layerItem.addChild(TreeValueItem(self.tr('Mean'), stats.mean))
layerItem.addChild(
TreeValueItem(self.tr('Std. deviation'), stats.stdDev))
layerItem.addChild(
TreeValueItem(self.tr('Max value'), stats.maximumValue))
layerItem.addChild(
TreeValueItem(self.tr('Min value'), stats.minimumValue))
layersItem.addChild(layerItem)
canvasItem = QTreeWidgetItem()
canvasItem.setText(0, self.tr('Values from QGIS map canvas'))
self.treeValues.addTopLevelItem(canvasItem)
extent = interface.iface.mapCanvas().extent()
extentItem = QTreeWidgetItem()
extentItem.setText(0, self.tr('Current extent'))
extentItem.addChild(TreeValueItem(self.tr('Min X'), extent.xMinimum()))
extentItem.addChild(TreeValueItem(self.tr('Max X'), extent.xMaximum()))
extentItem.addChild(TreeValueItem(self.tr('Min Y'), extent.yMinimum()))
extentItem.addChild(TreeValueItem(self.tr('Max Y'), extent.yMaximum()))
canvasItem.addChild(extentItem)
extent = interface.iface.mapCanvas().fullExtent()
extentItem = QTreeWidgetItem()
extentItem.setText(0,
self.tr('Full extent of all layers in map canvas'))
extentItem.addChild(TreeValueItem(self.tr('Min X'), extent.xMinimum()))
extentItem.addChild(TreeValueItem(self.tr('Max X'), extent.xMaximum()))
extentItem.addChild(TreeValueItem(self.tr('Min Y'), extent.yMinimum()))
extentItem.addChild(TreeValueItem(self.tr('Max Y'), extent.yMaximum()))
canvasItem.addChild(extentItem)
