def __init__(self, dialog, alg, default):
super(ExtentSelectionPanel, self).__init__(None)
self.dialog = dialog
self.params = alg.parameters
self.horizontalLayout = QtGui.QHBoxLayout(self)
self.horizontalLayout.setSpacing(2)
self.horizontalLayout.setMargin(0)
self.text = QtGui.QLineEdit()
#self.text.setText(default)
self.text.setSizePolicy(QtGui.QSizePolicy.Expanding,
QtGui.QSizePolicy.Expanding)
if self.canUseAutoExtent():
if hasattr(self.text, 'setPlaceholderText'):
self.text.setPlaceholderText(
"[Leave blank to use min covering extent]")
self.horizontalLayout.addWidget(self.text)
self.pushButton = QtGui.QPushButton()
self.pushButton.setText("...")
self.pushButton.clicked.connect(self.buttonPushed)
self.horizontalLayout.addWidget(self.pushButton)
self.setLayout(self.horizontalLayout)
canvas = QGisLayers.iface.mapCanvas()
self.prevMapTool = canvas.mapTool()
self.tool = RectangleMapTool(canvas)
self.connect(self.tool, SIGNAL("rectangleCreated()"), self.fillCoords)
class DefineGrassRegionAction(ToolboxAction):
def __init__(self):
self.name="Define GRASS region on canvas"
self.group="Tools"
canvas = QGisLayers.iface.mapCanvas()
self.prevMapTool = canvas.mapTool()
self.tool = RectangleMapTool(canvas)
QtCore.QObject.connect(self.tool, SIGNAL("rectangleCreated()"), self.fillCoords)
def getIcon(self):
return QtGui.QIcon(os.path.dirname(__file__) + "/../images/grass.png")
def execute(self):
QtGui.QMessageBox.information(None, "GRASS Region", "Click and drag onto map canvas to define GRASS region")
canvas = QGisLayers.iface.mapCanvas()
canvas.setMapTool(self.tool)
def fillCoords(self):
r = self.tool.rectangle()
SextanteConfig.setSettingValue(GrassUtils.GRASS_REGION_XMIN, r.xMinimum())
SextanteConfig.setSettingValue(GrassUtils.GRASS_REGION_YMIN, r.yMinimum())
SextanteConfig.setSettingValue(GrassUtils.GRASS_REGION_XMAX, r.xMaximum())
SextanteConfig.setSettingValue(GrassUtils.GRASS_REGION_YMAX, r.yMaximum())
SextanteConfig.setSettingValue(GrassUtils.GRASS_AUTO_REGION, False)
s = str(r.xMinimum()) + "," + str(r.xMaximum()) + "," + str(r.yMinimum()) + "," + str(r.yMaximum())
self.tool.reset()
canvas = QGisLayers.iface.mapCanvas()
canvas.setMapTool(self.prevMapTool)
QtGui.QMessageBox.information(None, "GRASS Region", "GRASS region set to:\n" + s + \
"\nTo set the cellsize or set back the autoregion option,\ngo to the SEXTANTE configuration.")
def __init__(self):
self.name = "Define GRASS region on canvas"
self.group = "Tools"
canvas = QGisLayers.iface.mapCanvas()
self.prevMapTool = canvas.mapTool()
self.tool = RectangleMapTool(canvas)
QtCore.QObject.connect(self.tool, SIGNAL("rectangleCreated()"),
self.fillCoords)
def __init__(self):
self.name="Define GRASS region on canvas"
self.group="Tools"
canvas = QGisLayers.iface.mapCanvas()
self.prevMapTool = canvas.mapTool()
self.tool = RectangleMapTool(canvas)
QtCore.QObject.connect(self.tool, SIGNAL("rectangleCreated()"), self.fillCoords)
class DefineGrassRegionAction(ToolboxAction):
def __init__(self):
self.name = "Define GRASS region on canvas"
self.group = "Tools"
canvas = QGisLayers.iface.mapCanvas()
self.prevMapTool = canvas.mapTool()
self.tool = RectangleMapTool(canvas)
QtCore.QObject.connect(self.tool, SIGNAL("rectangleCreated()"),
self.fillCoords)
def getIcon(self):
return QtGui.QIcon(os.path.dirname(__file__) + "/../images/grass.png")
def execute(self):
QtGui.QMessageBox.information(
None, "GRASS Region",
"Click and drag onto map canvas to define GRASS region")
canvas = QGisLayers.iface.mapCanvas()
canvas.setMapTool(self.tool)
def fillCoords(self):
r = self.tool.rectangle()
SextanteConfig.setSettingValue(GrassUtils.GRASS_REGION_XMIN,
r.xMinimum())
SextanteConfig.setSettingValue(GrassUtils.GRASS_REGION_YMIN,
r.yMinimum())
SextanteConfig.setSettingValue(GrassUtils.GRASS_REGION_XMAX,
r.xMaximum())
SextanteConfig.setSettingValue(GrassUtils.GRASS_REGION_YMAX,
r.yMaximum())
SextanteConfig.setSettingValue(GrassUtils.GRASS_AUTO_REGION, False)
s = str(r.xMinimum()) + "," + str(r.xMaximum()) + "," + str(
r.yMinimum()) + "," + str(r.yMaximum())
self.tool.reset()
canvas = QGisLayers.iface.mapCanvas()
canvas.setMapTool(self.prevMapTool)
QtGui.QMessageBox.information(None, "GRASS Region", "GRASS region set to:\n" + s + \
"\nTo set the cellsize or set back the autoregion option,\ngo to the SEXTANTE configuration.")
def __init__(self, dialog, alg, default):
super(ExtentSelectionPanel, self).__init__(None)
self.dialog = dialog
self.params = alg.parameters
self.horizontalLayout = QtGui.QHBoxLayout(self)
self.horizontalLayout.setSpacing(2)
self.horizontalLayout.setMargin(0)
self.text = QtGui.QLineEdit()
# self.text.setText(default)
self.text.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
if self.canUseAutoExtent():
if hasattr(self.text, "setPlaceholderText"):
self.text.setPlaceholderText("[Leave blank to use min covering extent]")
self.horizontalLayout.addWidget(self.text)
self.pushButton = QtGui.QPushButton()
self.pushButton.setText("...")
self.pushButton.clicked.connect(self.buttonPushed)
self.horizontalLayout.addWidget(self.pushButton)
self.setLayout(self.horizontalLayout)
canvas = QGisLayers.iface.mapCanvas()
self.prevMapTool = canvas.mapTool()
self.tool = RectangleMapTool(canvas)
self.connect(self.tool, SIGNAL("rectangleCreated()"), self.fillCoords)
class ExtentSelectionPanel(QtGui.QWidget):
def __init__(self, dialog, alg, default):
super(ExtentSelectionPanel, self).__init__(None)
self.dialog = dialog
self.params = alg.parameters
self.horizontalLayout = QtGui.QHBoxLayout(self)
self.horizontalLayout.setSpacing(2)
self.horizontalLayout.setMargin(0)
self.text = QtGui.QLineEdit()
#self.text.setText(default)
self.text.setSizePolicy(QtGui.QSizePolicy.Expanding,
QtGui.QSizePolicy.Expanding)
if self.canUseAutoExtent():
if hasattr(self.text, 'setPlaceholderText'):
self.text.setPlaceholderText(
"[Leave blank to use min covering extent]")
self.horizontalLayout.addWidget(self.text)
self.pushButton = QtGui.QPushButton()
self.pushButton.setText("...")
self.pushButton.clicked.connect(self.buttonPushed)
self.horizontalLayout.addWidget(self.pushButton)
self.setLayout(self.horizontalLayout)
canvas = QGisLayers.iface.mapCanvas()
self.prevMapTool = canvas.mapTool()
self.tool = RectangleMapTool(canvas)
self.connect(self.tool, SIGNAL("rectangleCreated()"), self.fillCoords)
def canUseAutoExtent(self):
for param in self.params:
if isinstance(param, (ParameterRaster, ParameterVector)):
return True
if isinstance(param, ParameterMultipleInput):
return True
return False
def buttonPushed(self):
popupmenu = QMenu()
useLayerExtentAction = QtGui.QAction("Use layer/canvas extent",
self.pushButton)
useLayerExtentAction.triggered.connect(self.useLayerExtent)
popupmenu.addAction(useLayerExtentAction)
selectOnCanvasAction = QtGui.QAction("Select extent on canvas",
self.pushButton)
selectOnCanvasAction.triggered.connect(self.selectOnCanvas)
popupmenu.addAction(selectOnCanvasAction)
if self.canUseAutoExtent():
useMincoveringExtentAction = QtGui.QAction(
"Use min convering extent from input layers", self.pushButton)
useMincoveringExtentAction.triggered.connect(
self.useMinCoveringExtent)
popupmenu.addAction(useMincoveringExtentAction)
popupmenu.exec_(QtGui.QCursor.pos())
def useMinCoveringExtent(self):
self.text.setText("")
def getMinCoveringExtent(self):
first = True
found = False
for param in self.params:
if param.value:
if isinstance(param, (ParameterRaster, ParameterVector)):
if isinstance(param.value,
(QgsRasterLayer, QgsVectorLayer)):
layer = param.value
else:
layer = QGisLayers.getObjectFromUri(param.value)
if layer:
found = True
self.addToRegion(layer, first)
first = False
elif isinstance(param, ParameterMultipleInput):
layers = param.value.split(";")
for layername in layers:
layer = QGisLayers.getObjectFromUri(layername, first)
if layer:
found = True
self.addToRegion(layer, first)
first = False
if found:
return str(self.xmin) + "," + str(self.xmax) + "," + str(
self.ymin) + "," + str(self.ymax)
else:
return None
def useNewAlg(self, alg):
self.params = alg.parameters
def addToRegion(self, layer, first):
if first:
self.xmin = layer.extent().xMinimum()
self.xmax = layer.extent().xMaximum()
self.ymin = layer.extent().yMinimum()
self.ymax = layer.extent().yMaximum()
else:
self.xmin = min(self.xmin, layer.extent().xMinimum())
self.xmax = max(self.xmax, layer.extent().xMaximum())
self.ymin = min(self.ymin, layer.extent().yMinimum())
self.ymax = max(self.ymax, layer.extent().yMaximum())
def useLayerExtent(self):
CANVAS_KEY = "Use canvas extent"
extentsDict = {}
extentsDict[CANVAS_KEY] = QGisLayers.iface.mapCanvas().extent()
extents = [CANVAS_KEY]
layers = QGisLayers.getAllLayers()
for layer in layers:
extents.append(layer.name())
extentsDict[layer.name()] = layer.extent()
item, ok = QtGui.QInputDialog.getItem(self, "Select extent",
"Use extent from", extents,
False)
if ok:
self.setValueFromRect(extentsDict[item])
def selectOnCanvas(self):
canvas = QGisLayers.iface.mapCanvas()
canvas.setMapTool(self.tool)
self.dialog.showMinimized()
def fillCoords(self):
r = self.tool.rectangle()
self.setValueFromRect(r)
def setValueFromRect(self, r):
s = str(r.xMinimum()) + "," + str(r.xMaximum()) + "," + str(
r.yMinimum()) + "," + str(r.yMaximum())
self.text.setText(s)
self.tool.reset()
canvas = QGisLayers.iface.mapCanvas()
canvas.setMapTool(self.prevMapTool)
self.dialog.showNormal()
self.dialog.raise_()
self.dialog.activateWindow()
def getValue(self):
if str(self.text.text()).strip() != "":
return str(self.text.text())
else:
return self.getMinCoveringExtent()
class ExtentSelectionPanel(QtGui.QWidget):
def __init__(self, dialog, alg, default):
super(ExtentSelectionPanel, self).__init__(None)
self.dialog = dialog
self.params = alg.parameters
self.horizontalLayout = QtGui.QHBoxLayout(self)
self.horizontalLayout.setSpacing(2)
self.horizontalLayout.setMargin(0)
self.text = QtGui.QLineEdit()
# self.text.setText(default)
self.text.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
if self.canUseAutoExtent():
if hasattr(self.text, "setPlaceholderText"):
self.text.setPlaceholderText("[Leave blank to use min covering extent]")
self.horizontalLayout.addWidget(self.text)
self.pushButton = QtGui.QPushButton()
self.pushButton.setText("...")
self.pushButton.clicked.connect(self.buttonPushed)
self.horizontalLayout.addWidget(self.pushButton)
self.setLayout(self.horizontalLayout)
canvas = QGisLayers.iface.mapCanvas()
self.prevMapTool = canvas.mapTool()
self.tool = RectangleMapTool(canvas)
self.connect(self.tool, SIGNAL("rectangleCreated()"), self.fillCoords)
def canUseAutoExtent(self):
for param in self.params:
if isinstance(param, (ParameterRaster, ParameterVector)):
return True
if isinstance(param, ParameterMultipleInput):
return True
return False
def buttonPushed(self):
popupmenu = QMenu()
useLayerExtentAction = QtGui.QAction("Use layer/canvas extent", self.pushButton)
useLayerExtentAction.triggered.connect(self.useLayerExtent)
popupmenu.addAction(useLayerExtentAction)
selectOnCanvasAction = QtGui.QAction("Select extent on canvas", self.pushButton)
selectOnCanvasAction.triggered.connect(self.selectOnCanvas)
popupmenu.addAction(selectOnCanvasAction)
if self.canUseAutoExtent():
useMincoveringExtentAction = QtGui.QAction("Use min convering extent from input layers", self.pushButton)
useMincoveringExtentAction.triggered.connect(self.useMinCoveringExtent)
popupmenu.addAction(useMincoveringExtentAction)
popupmenu.exec_(QtGui.QCursor.pos())
def useMinCoveringExtent(self):
self.text.setText("")
def getMinCoveringExtent(self):
first = True
found = False
for param in self.params:
if param.value:
if isinstance(param, (ParameterRaster, ParameterVector)):
found = True
if isinstance(param.value, (QgsRasterLayer, QgsVectorLayer)):
layer = param.value
else:
layer = QGisLayers.getObjectFromUri(param.value)
self.addToRegion(layer, first)
first = False
elif isinstance(param, ParameterMultipleInput):
found = True
layers = param.value.split(";")
for layername in layers:
layer = QGisLayers.getObjectFromUri(layername, first)
self.addToRegion(layer, first)
first = False
if found:
return str(self.xmin) + "," + str(self.xmax) + "," + str(self.ymin) + "," + str(self.ymax)
else:
return None
def useNewAlg(self, alg):
self.params = alg.parameters
def addToRegion(self, layer, first):
if first:
self.xmin = layer.extent().xMinimum()
self.xmax = layer.extent().xMaximum()
self.ymin = layer.extent().yMinimum()
self.ymax = layer.extent().yMaximum()
else:
self.xmin = min(self.xmin, layer.extent().xMinimum())
self.xmax = max(self.xmax, layer.extent().xMaximum())
self.ymin = min(self.ymin, layer.extent().yMinimum())
self.ymax = max(self.ymax, layer.extent().yMaximum())
def useLayerExtent(self):
CANVAS_KEY = QtCore.QString("Use canvas extent")
extentsDict = {}
extentsDict[CANVAS_KEY] = QGisLayers.iface.mapCanvas().extent()
extents = [CANVAS_KEY]
layers = QGisLayers.getAllLayers()
for layer in layers:
extents.append(layer.name())
extentsDict[layer.name()] = layer.extent()
item, ok = QtGui.QInputDialog.getItem(self, "Select extent", "Use extent from", extents, False)
if ok:
self.setValueFromRect(extentsDict[item])
def selectOnCanvas(self):
canvas = QGisLayers.iface.mapCanvas()
canvas.setMapTool(self.tool)
self.dialog.showMinimized()
def fillCoords(self):
r = self.tool.rectangle()
self.setValueFromRect(r)
def setValueFromRect(self, r):
s = str(r.xMinimum()) + "," + str(r.xMaximum()) + "," + str(r.yMinimum()) + "," + str(r.yMaximum())
self.text.setText(s)
self.tool.reset()
canvas = QGisLayers.iface.mapCanvas()
canvas.setMapTool(self.prevMapTool)
self.dialog.showNormal()
self.dialog.raise_()
self.dialog.activateWindow()
def getValue(self):
if str(self.text.text()).strip() != "":
return str(self.text.text())
else:
return self.getMinCoveringExtent()