def snapToMap(self, pt):
self.filter.matches = list()
match = QgsMapCanvasSnappingUtils.snapToMap(self, pt, self.filter)
def sorter(match):
layer = match.layer()
try:
return self.layer_priority.index(layer)
except ValueError:
return 0
layer_tolerances = dict()
for layer_config in self.layers():
layer_tolerances[layer_config.layer] = QgsTolerance.toleranceInProjectUnits(
layer_config.tolerance, layer_config.layer, self.mapSettings(), layer_config.unit)
matches = sorted(self.filter.matches, key=sorter)
matches = [m for m in matches if m.distance() < layer_tolerances[m.layer()]]
if matches:
match = matches[0]
elif self.config().mode() == QgsSnappingConfig.AdvancedConfiguration:
for layer in self.layers():
if layer.type & QgsPointLocator.Area:
loc = self.locatorForLayer(layer.layer)
results = loc.pointInPolygon(pt)
if results:
return results[0]
return match
def snapToMap(self, pt):
match = QgsMapCanvasSnappingUtils.snapToMap(self, pt)
if not match.isValid() and self.snapToMapMode() == QgsSnappingUtils.SnapAdvanced:
for layer in self.layers():
if layer.type & QgsPointLocator.Area:
loc = self.locatorForLayer(layer.layer)
results = loc.pointInPolygon(pt)
if results:
return results[0]
return match
def snapToMap(self, pt):
match = QgsMapCanvasSnappingUtils.snapToMap(self, pt)
if not match.isValid() and self.snapToMapMode() == QgsSnappingUtils.SnapAdvanced:
for layer in self.layers():
if layer.type & QgsPointLocator.Area:
loc = self.locatorForLayer(layer.layer)
results = loc.pointInPolygon(pt)
if results:
return results[0]
return match
class QGISRedSelectPointTool(QgsMapTool):
def __init__(self, button, parent, method, type=1):
QgsMapTool.__init__(self, parent.iface.mapCanvas())
self.canvas = parent.iface.mapCanvas()
self.iface = parent.iface
self.parent = parent
self.method = method
self.setAction(button)
self.type = type
# type 1: points; 2: lines; 3: 2-points; 4: 2-line; 5: point-line
self.startMarker = QgsVertexMarker(self.iface.mapCanvas())
self.startMarker.setColor(QColor(255, 87, 51))
if self.type == 3 or self.type == 4 or self.type == 5:
self.startMarker.setColor(QColor(139, 0, 0))
self.startMarker.setIconSize(15)
self.startMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
if self.type == 2 or self.type == 4:
self.startMarker.setIconType(
QgsVertexMarker.ICON_X) # or ICON_CROSS, ICON_X
self.startMarker.setPenWidth(3)
self.startMarker.hide()
self.endMarker = QgsVertexMarker(self.iface.mapCanvas())
self.endMarker.setColor(QColor(0, 128, 0))
self.endMarker.setIconSize(15)
self.endMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
if self.type == 4 or self.type == 5:
self.endMarker.setIconType(
QgsVertexMarker.ICON_X) # or ICON_CROSS, ICON_X
self.endMarker.setPenWidth(3)
self.endMarker.hide()
self.firstPoint = None
self.snapper = None
self.resetProperties()
def activate(self):
QgsMapTool.activate(self)
type = 1
if self.type == 2 or self.type == 4:
type = 2
self.configSnapper(type)
def deactivate(self):
self.resetProperties()
QgsMapTool.deactivate(self)
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return True
"""Methods"""
def configSnapper(self, type):
# Snapping
self.snapper = QgsMapCanvasSnappingUtils(self.iface.mapCanvas())
self.snapper.setMapSettings(self.iface.mapCanvas().mapSettings())
config = QgsSnappingConfig(QgsProject.instance())
config.setType(type) # 1: Vertex; 2:Segment
config.setMode(2) # All layers
config.setTolerance(10)
config.setUnits(1) # Pixels
config.setEnabled(True)
self.snapper.setConfig(config)
def resetProperties(self):
self.firstPoint = None
self.startMarker.hide()
self.endMarker.hide()
self.objectSnapped = None
"""Events"""
def canvasReleaseEvent(self, event):
if event.button() == Qt.LeftButton:
if self.objectSnapped is None:
self.iface.messageBar().pushMessage(
"Warning",
"A not valid point was selected",
level=1,
duration=5)
return
if self.type == 3 or self.type == 4 or self.type == 5:
if self.firstPoint is None:
self.firstPoint = self.objectSnapped.point()
if self.type == 5:
self.configSnapper(2)
else:
point1 = self.firstPoint
point2 = self.objectSnapped.point()
# Call to parent method
self.method(point1, point2)
self.resetProperties()
if self.type == 5:
self.configSnapper(1)
else:
point = self.objectSnapped.point()
# Call to parent method
self.method(point)
self.resetProperties()
if event.button() == Qt.RightButton:
if self.type == 3 or self.type == 5:
if self.objectSnapped is None:
self.iface.messageBar().pushMessage(
"Warning",
"A not valid point was selected",
level=1,
duration=5)
return
else:
point = self.objectSnapped.point()
# Call to parent method
# Tconnection & Split/merge Juncitons
self.method(point, None)
self.resetProperties()
else:
self.canvas.unsetMapTool(self)
self.deactivate()
return
def canvasMoveEvent(self, event):
match = self.snapper.snapToMap(self.toMapCoordinates(event.pos()))
if match.isValid():
self.objectSnapped = match
if self.firstPoint is None:
self.startMarker.setCenter(
QgsPointXY(match.point().x(),
match.point().y()))
self.startMarker.show()
else:
self.endMarker.setCenter(
QgsPointXY(match.point().x(),
match.point().y()))
self.endMarker.show()
else:
self.startMarker.hide()
self.endMarker.hide()
self.objectSnapped = None
class QGISRedCreatePipeTool(QgsMapTool):
def __init__(self, button, iface, projectDirectory, netwName, parent):
QgsMapTool.__init__(self, iface.mapCanvas())
self.iface = iface
self.ProjectDirectory = projectDirectory
self.NetworkName = netwName
self.parent = parent
self.setAction(button)
self.startMarker = QgsVertexMarker(self.iface.mapCanvas())
self.startMarker.setColor(QColor(255, 87, 51))
self.startMarker.setIconSize(15)
self.startMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.startMarker.setPenWidth(3)
self.startMarker.hide()
self.endMarker = QgsVertexMarker(self.iface.mapCanvas())
self.endMarker.setColor(QColor(255, 87, 51))
self.endMarker.setIconSize(15)
self.endMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.endMarker.setPenWidth(3)
self.endMarker.hide()
self.snapper = None
self.rubberBand1 = None
self.rubberBand2 = None
self.resetProperties()
def activate(self):
QgsMapTool.activate(self)
# Snapping
self.snapper = QgsMapCanvasSnappingUtils(self.iface.mapCanvas())
self.snapper.setMapSettings(self.iface.mapCanvas().mapSettings())
config = QgsSnappingConfig(QgsProject.instance())
config.setType(1) # Vertex
config.setMode(2) # All layers
config.setTolerance(2)
config.setUnits(2) # Pixels
config.setEnabled(True)
self.snapper.setConfig(config)
def deactivate(self):
self.resetProperties()
QgsMapTool.deactivate(self)
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return True
"""Methods"""
def resetProperties(self):
# self.toolbarButton.setChecked(False)
if self.rubberBand1 is not None:
self.iface.mapCanvas().scene().removeItem(self.rubberBand1)
if self.rubberBand2 is not None:
self.iface.mapCanvas().scene().removeItem(self.rubberBand2)
self.startMarker.hide()
self.endMarker.hide()
self.mousePoints = []
self.firstClicked = False
self.objectSnapped = None
self.rubberBand1 = None
self.rubberBand2 = None
def createRubberBand(self, points):
myPoints1 = []
for p in points:
myPoints1.append(QgsPoint(p.x(), p.y()))
myPoints1.remove(myPoints1[-1])
if self.rubberBand1 is not None:
self.iface.mapCanvas().scene().removeItem(self.rubberBand1)
self.rubberBand1 = QgsRubberBand(self.iface.mapCanvas(), False)
self.rubberBand1.setToGeometry(QgsGeometry.fromPolyline(myPoints1),
None)
self.rubberBand1.setColor(QColor(240, 40, 40))
self.rubberBand1.setWidth(1)
self.rubberBand1.setLineStyle(Qt.SolidLine)
myPoints2 = []
myPoints2.append(QgsPoint(points[-2].x(), points[-2].y()))
myPoints2.append(QgsPoint(points[-1].x(), points[-1].y()))
if self.rubberBand2 is not None:
self.iface.mapCanvas().scene().removeItem(self.rubberBand2)
self.rubberBand2 = QgsRubberBand(self.iface.mapCanvas(), False)
self.rubberBand2.setToGeometry(QgsGeometry.fromPolyline(myPoints2),
None)
self.rubberBand2.setColor(QColor(240, 40, 40))
self.rubberBand2.setWidth(1)
self.rubberBand2.setLineStyle(Qt.DashLine)
"""Events"""
def canvasPressEvent(self, event):
if event.button() == Qt.LeftButton:
if not self.firstClicked:
self.firstClicked = True
point = self.toMapCoordinates(event.pos())
if self.objectSnapped is not None:
point = self.objectSnapped.point()
self.mousePoints.append(point)
self.mousePoints.append(point)
else:
self.mousePoints.append(self.mousePoints[-1])
self.createRubberBand(self.mousePoints)
if event.button() == Qt.RightButton:
self.mousePoints.remove(self.mousePoints[-1])
if self.firstClicked:
if (len(self.mousePoints) == 2
and self.mousePoints[0] == self.mousePoints[1]):
createdPipe = False
elif len(self.mousePoints) < 2:
createdPipe = False
else:
createdPipe = True
if createdPipe:
self.parent.runCreatePipe(self.mousePoints)
self.resetProperties()
def canvasMoveEvent(self, event):
# Mouse not clicked
if not self.firstClicked:
match = self.snapper.snapToMap(self.toMapCoordinates(event.pos()))
if match.isValid():
self.objectSnapped = match
self.startMarker.setCenter(
QgsPointXY(match.point().x(),
match.point().y()))
self.startMarker.show()
else:
self.objectSnapped = None
self.startMarker.hide()
# Mouse clicked
else:
point = self.toMapCoordinates(event.pos())
match = self.snapper.snapToMap(point)
if match.isValid():
self.objectSnapped = match
self.endMarker.setCenter(
QgsPointXY(match.point().x(),
match.point().y()))
self.endMarker.show()
self.mousePoints[-1] = match.point()
else:
self.objectSnapped = None
self.endMarker.hide()
self.mousePoints[-1] = point
self.createRubberBand(self.mousePoints)
class QGISRedEditLinksGeometryTool(QgsMapTool):
ownMainLayers = ["Pipes", "Valves", "Pumps", "ServiceConnections"]
def __init__(self, button, iface, projectDirectory, netwName):
QgsMapTool.__init__(self, iface.mapCanvas())
self.iface = iface
self.ProjectDirectory = projectDirectory
self.NetworkName = netwName
self.toolbarButton = button
self.snapper = None
self.vertexMarker = QgsVertexMarker(self.iface.mapCanvas())
self.vertexMarker.setColor(QColor(255, 87, 51))
self.vertexMarker.setIconSize(15)
self.vertexMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.vertexMarker.setPenWidth(3)
self.vertexMarker.hide()
self.pipeSnapper = None
self.pipeMarker = QgsVertexMarker(self.iface.mapCanvas())
self.pipeMarker.setColor(QColor(143, 0, 255))
self.pipeMarker.setIconSize(10)
try:
self.pipeMarker.setIconType(
QgsVertexMarker.ICON_DOUBLE_TRIANGLE) # or ICON_CROSS, ICON_X
except:
self.pipeMarker.setIconType(
QgsVertexMarker.ICON_X) # or ICON_CROSS, ICON_X
self.pipeMarker.setPenWidth(3)
self.pipeMarker.hide()
self.mouseClicked = False
self.clickedPoint = None
self.objectSnapped = None
self.pipeSnapped = None
self.selectedFeature = None
self.selectedLayer = None
self.newPositionVector = QgsVector(0, 0)
self.rubberBand = None
self.newVertexMarker = QgsVertexMarker(self.iface.mapCanvas())
self.newVertexMarker.setColor(QColor(55, 198, 5))
self.newVertexMarker.setIconSize(15)
self.newVertexMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.newVertexMarker.setPenWidth(3)
self.newVertexMarker.hide()
def activate(self):
cursor = QCursor()
cursor.setShape(Qt.ArrowCursor)
self.iface.mapCanvas().setCursor(cursor)
myLayers = []
# Editing
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layerPath:
myLayers.append(layer)
if not layer.isEditable():
layer.startEditing()
# Snapping
self.snapper = QgsMapCanvasSnappingUtils(self.iface.mapCanvas())
self.snapper.setMapSettings(self.iface.mapCanvas().mapSettings())
config = QgsSnappingConfig(QgsProject.instance())
config.setType(2) # Vertex
config.setMode(2) # All layers
config.setTolerance(10)
config.setUnits(1) # Pixels
config.setEnabled(True)
self.snapper.setConfig(config)
self.pipeSnapper = QgsMapCanvasSnappingUtils(self.iface.mapCanvas())
self.pipeSnapper.setMapSettings(self.iface.mapCanvas().mapSettings())
config = QgsSnappingConfig(QgsProject.instance())
config.setType(2) # Vertex
config.setMode(2) # All layers
config.setTolerance(10)
config.setUnits(1) # Pixels
config.setEnabled(True)
self.pipeSnapper.setConfig(config)
def deactivate(self):
self.toolbarButton.setChecked(False)
# End Editing
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layerPath:
if layer.isModified():
layer.commitChanges()
else:
layer.rollBack()
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return True
"""Methods"""
def getUniformedPath(self, path):
return QGISRedUtils().getUniformedPath(path)
def getLayerPath(self, layer):
return QGISRedUtils().getLayerPath(layer)
def generatePath(self, folder, fileName):
return QGISRedUtils().generatePath(folder, fileName)
def getLayers(self):
return QGISRedUtils().getLayers()
def areOverlapedPoints(self, point1, point2):
tolerance = 0.1
if point1.distance(point2) < tolerance:
return True
else:
return False
def isInPath(self, point1, point2, myPoint):
width = point2.x() - point1.x()
height = point2.y() - point1.y()
widthM = myPoint.x() - point1.x()
heightM = myPoint.y() - point1.y()
if abs(width) >= abs(height):
yEst = widthM * height / width + point1.y()
if abs(yEst - myPoint.y()) < 1E-9:
return True
else:
xEst = heightM * width / height + point1.x()
if abs(xEst - myPoint.x()) < 1E-9:
return True
return False
def createRubberBand(self, points):
myPoints = points
if isinstance(points[0], QgsPointXY):
myPoints = []
for p in points:
myPoints.append(QgsPoint(p.x(), p.y()))
self.rubberBand = QgsRubberBand(self.iface.mapCanvas(), False)
self.rubberBand.setToGeometry(QgsGeometry.fromPolyline(myPoints), None)
self.rubberBand.setColor(QColor(55, 198, 5))
self.rubberBand.setWidth(1)
self.rubberBand.setLineStyle(Qt.DashLine)
self.newVertexMarker.setCenter(QgsPointXY(points[0].x(),
points[0].y()))
self.newVertexMarker.show()
def updateRubberBand(self):
newX = self.clickedPoint.x() + self.newPositionVector.x()
newY = self.clickedPoint.y() + self.newPositionVector.y()
self.rubberBand.movePoint(1, QgsPointXY(newX, newY))
self.newVertexMarker.setCenter(QgsPointXY(newX, newY))
def moveVertexLink(self, layer, feature, newPosition, vertexIndex):
if layer.isEditable():
layer.beginEditCommand("Update link geometry")
try:
edit_utils = QgsVectorLayerEditUtils(layer)
edit_utils.moveVertex(newPosition.x(), newPosition.y(),
feature.id(), vertexIndex)
except Exception as e:
layer.destroyEditCommand()
raise e
layer.endEditCommand()
def deleteVertexLink(self, layer, feature, vertexIndex):
if layer.isEditable():
layer.beginEditCommand("Update link geometry")
try:
edit_utils = QgsVectorLayerEditUtils(layer)
edit_utils.deleteVertex(feature.id(), vertexIndex)
except Exception as e:
layer.destroyEditCommand()
raise e
layer.endEditCommand()
def insertVertexLink(self, layer, feature, newPoint):
if layer.isEditable():
layer.beginEditCommand("Update link geometry")
vertex = -1
if layer.geometryType() == 1: # Line
featureGeometry = self.selectedFeature.geometry()
if featureGeometry.isMultipart():
parts = featureGeometry.get()
for part in parts: # only one part
for i in range(len(part) - 1):
if self.isInPath(
QgsPointXY(part[i].x(), part[i].y()),
QgsPointXY(part[i + 1].x(),
part[i + 1].y()), newPoint):
vertex = i + 1
try:
edit_utils = QgsVectorLayerEditUtils(layer)
edit_utils.insertVertex(newPoint.x(), newPoint.y(),
feature.id(), vertex)
except Exception as e:
layer.destroyEditCommand()
raise e
layer.endEditCommand()
"""Events"""
def canvasPressEvent(self, event):
if self.objectSnapped is None:
self.clickedPoint = None
return
if event.button() == Qt.RightButton:
self.mouseClicked = False
self.clickedPoint = None
if event.button() == Qt.LeftButton:
self.clickedPoint = self.objectSnapped.point()
if self.vertexIndex == -1:
return
self.mouseClicked = True
self.createRubberBand(
[self.objectSnapped.point(),
self.objectSnapped.point()])
def canvasMoveEvent(self, event):
mousePoint = self.toMapCoordinates(event.pos())
# Mouse not clicked
if not self.mouseClicked:
self.pipeSnappedOn = False
matchSnapper = self.snapper.snapToMap(mousePoint)
if matchSnapper.isValid():
valid = False
layer = matchSnapper.layer()
snapLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if snapLayerPath == layerPath:
valid = True
if valid:
self.objectSnapped = matchSnapper
self.selectedLayer = layer
vertex = matchSnapper.point()
featureId = matchSnapper.featureId()
request = QgsFeatureRequest().setFilterFid(featureId)
nodes = list(layer.getFeatures(request))
self.selectedFeature = QgsFeature(nodes[0])
# #Ver aquí si es el nudo inicial y final
middleNode = False
self.vertexIndex = -1
if layer.geometryType() == 1: # Line
featureGeometry = self.selectedFeature.geometry()
if featureGeometry.isMultipart():
parts = featureGeometry.get()
for part in parts: # only one part
if middleNode:
break
i = -1
for v in part:
i = i + 1
if (
i == 0 or i == len(part) - 1
) and "ServiceConnections" not in snapLayerPath:
continue
matchedPoint = QgsPointXY(
vertex.x(), vertex.y())
if self.areOverlapedPoints(
QgsGeometry.fromPointXY(
matchedPoint),
QgsGeometry.fromPointXY(
QgsPointXY(v.x(), v.y()))):
middleNode = True
self.vertexIndex = i
if (
i == 0 or i == len(part) - 1
) and "ServiceConnections" in snapLayerPath:
self.pipeSnappedOn = True
break
if middleNode:
self.vertexMarker.setCenter(
QgsPointXY(vertex.x(), vertex.y()))
self.vertexMarker.show()
else:
self.vertexMarker.hide()
else:
self.objectSnapped = None
self.selectedFeature = None
self.selectedLayer = None
self.vertexMarker.hide()
else:
self.objectSnapped = None
self.selectedFeature = None
self.selectedLayer = None
self.vertexMarker.hide()
# Mouse clicked
else:
# Snap pipe layer
if self.pipeSnappedOn:
matchSnapper = self.pipeSnapper.snapToMap(mousePoint)
if matchSnapper.isValid():
valid = False
layer = matchSnapper.layer()
snapLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_Pipes.shp")
if snapLayerPath == layerPath:
valid = True
if valid:
self.pipeSnapped = matchSnapper
self.pipeMarker.setCenter(matchSnapper.point())
self.pipeMarker.show()
else:
self.pipeMarker.hide()
else:
self.pipeMarker.hide()
self.pipeSnapped = None
# # Update rubber band
if self.objectSnapped is not None and self.rubberBand is not None:
snappedPoint = self.objectSnapped.point()
self.newPositionVector = QgsVector(
mousePoint.x() - snappedPoint.x(),
mousePoint.y() - snappedPoint.y())
self.updateRubberBand()
def canvasReleaseEvent(self, event):
if self.mouseClicked:
if event.button() == 1:
mousePoint = self.toMapCoordinates(event.pos())
if (self.pipeSnapped is not None):
mousePoint = self.pipeSnapped.point()
self.mouseClicked = False
if self.objectSnapped is not None:
self.moveVertexLink(self.selectedLayer,
self.selectedFeature, mousePoint,
self.vertexIndex)
elif event.button() == 2:
if self.objectSnapped is not None:
self.deleteVertexLink(self.selectedLayer, self.selectedFeature,
self.vertexIndex)
elif event.button() == 1:
if self.objectSnapped is not None:
self.insertVertexLink(self.selectedLayer, self.selectedFeature,
self.objectSnapped.point())
self.objectSnapped = None
self.pipeSnapped = None
self.selectedFeature = None
self.selectedLayer = None
self.vertexIndex = -1
self.iface.mapCanvas().refresh()
# Remove vertex marker and rubber band
self.vertexMarker.hide()
self.iface.mapCanvas().scene().removeItem(self.rubberBand)
self.newVertexMarker.hide()
self.pipeMarker.hide()
class QgepMapToolAddReach(QgepMapToolAddFeature):
"""
Create a new reach with the mouse.
Will snap to wastewater nodes for the first and last point and auto-connect
these.
"""
first_snapping_match = None
last_snapping_match = None
last_feature_attributes = None
def __init__(self, iface: QgisInterface, layer):
QgepMapToolAddFeature.__init__(self, iface, layer)
self.snapping_marker = None
self.node_layer = QgepLayerManager.layer('vw_wastewater_node')
assert self.node_layer is not None
self.reach_layer = QgepLayerManager.layer('vw_qgep_reach')
assert self.reach_layer is not None
self.setAdvancedDigitizingAllowed(True)
self.setAutoSnapEnabled(True)
layer_snapping_configs = [{
'layer': self.node_layer,
'mode': QgsSnappingConfig.Vertex
}, {
'layer': self.reach_layer,
'mode': QgsSnappingConfig.VertexAndSegment
}]
self.snapping_configs = []
self.snapping_utils = QgsMapCanvasSnappingUtils(self.iface.mapCanvas())
for lsc in layer_snapping_configs:
config = QgsSnappingConfig()
config.setMode(QgsSnappingConfig.AdvancedConfiguration)
config.setEnabled(True)
settings = QgsSnappingConfig.IndividualLayerSettings(
True, lsc['mode'], 10, QgsTolerance.Pixels)
config.setIndividualLayerSettings(lsc['layer'], settings)
self.snapping_configs.append(config)
def left_clicked(self, event):
"""
The mouse is clicked: snap to neary points which are on the wastewater node layer
and update the rubberband
:param event: The coordinates etc.
"""
point3d, match = self.snap(event)
if self.rubberband.numberOfVertices() == 0:
self.first_snapping_match = match
self.last_snapping_match = match
self.rubberband.addPoint3D(point3d)
self.temp_rubberband.reset()
self.temp_rubberband.addPoint(QgsPointXY(point3d.x(), point3d.y()))
if self.snapping_marker is not None:
self.iface.mapCanvas().scene().removeItem(self.snapping_marker)
self.snapping_marker = None
def mouse_move(self, event):
_, match = self.snap(event)
# snap indicator
if not match.isValid():
if self.snapping_marker is not None:
self.iface.mapCanvas().scene().removeItem(self.snapping_marker)
self.snapping_marker = None
return
# TODO QGIS 3: see if vertices can be removed
# we have a valid match
if self.snapping_marker is None:
self.snapping_marker = QgsVertexMarker(self.iface.mapCanvas())
self.snapping_marker.setPenWidth(3)
self.snapping_marker.setColor(QColor(Qt.magenta))
if match.hasVertex():
if match.layer():
icon_type = QgsVertexMarker.ICON_BOX # vertex snap
else:
icon_type = QgsVertexMarker.ICON_X # intersection snap
else:
icon_type = QgsVertexMarker.ICON_DOUBLE_TRIANGLE # must be segment snap
self.snapping_marker.setIconType(icon_type)
self.snapping_marker.setCenter(match.point())
def snap(self, event):
"""
Snap to nearby points on the wastewater node layer which may be used as connection
points for this reach.
:param event: The mouse event
:return: The snapped position in map coordinates
"""
for config in self.snapping_configs:
self.snapping_utils.setConfig(config)
match = self.snapping_utils.snapToMap(
QgsPointXY(event.originalMapPoint()))
if match.isValid():
return QgsPoint(match.point()), match
# if no match, snap to all layers (according to map settings) and try to grab Z
match = self.iface.mapCanvas().snappingUtils().snapToMap(
QgsPointXY(event.originalMapPoint()))
if match.isValid() and match.hasVertex():
if match.layer():
req = QgsFeatureRequest(match.featureId())
f = next(match.layer().getFeatures(req))
assert f.isValid()
(ok, vertex_id) = f.geometry().vertexIdFromVertexNr(
match.vertexIndex())
assert ok
point = f.geometry().constGet().vertexAt(vertex_id)
assert type(point) == QgsPoint
return point, match
else:
return QgsPoint(match.point()), match
return QgsPoint(event.originalMapPoint()), match
def right_clicked(self, _):
"""
The party is over, the reach digitized. Create a feature from the rubberband and
show the feature form.
"""
self.temp_rubberband.reset()
if self.snapping_marker is not None:
self.iface.mapCanvas().scene().removeItem(self.snapping_marker)
self.snapping_marker = None
if len(self.rubberband.points) >= 2:
fields = self.layer.fields()
f = QgsFeature(fields)
if not self.last_feature_attributes:
self.last_feature_attributes = [None] * fields.count()
for idx, field in enumerate(fields):
if field.name() in [
'clear_height', 'material', 'ch_usage_current',
'ch_function_hierarchic', 'ch_function_hydraulic',
'horizontal_positioning', 'ws_status',
'ws_year_of_construction', 'ws_fk_owner',
'ws_fk_operator', 'inside_coating', 'fk_pipe_profile',
'remark'
]:
f.setAttribute(idx, self.last_feature_attributes[idx])
else:
# try client side default value first
v = self.layer.defaultValue(idx, f)
if v != NULL:
f.setAttribute(idx, v)
else:
f.setAttribute(
idx,
self.layer.dataProvider().defaultValue(idx))
f.setGeometry(self.rubberband.asGeometry3D())
snapping_results = {
'from': self.first_snapping_match,
'to': self.last_snapping_match
}
for dest, match in list(snapping_results.items()):
level_field_index = self.layer.fields().indexFromName(
'rp_{dest}_level'.format(dest=dest))
pt_idx = 0 if dest == 'from' else -1
if match.isValid() and match.layer() in (self.node_layer,
self.reach_layer):
request = QgsFeatureRequest(match.featureId())
network_element = next(match.layer().getFeatures(request))
assert network_element.isValid()
# set the related network element
field = self.layer.fields().indexFromName(
'rp_{dest}_fk_wastewater_networkelement'.format(
dest=dest))
f.setAttribute(field, network_element.attribute('obj_id'))
# assign level if the match is a node or if we have 3D from snapping
if match.layer() == self.node_layer:
level = network_element['bottom_level']
f.setAttribute(level_field_index, level)
elif self.rubberband.points[pt_idx].z() != 0:
level = self.rubberband.points[pt_idx].z()
level = level if not math.isnan(level) else NULL
f.setAttribute(level_field_index, level)
dlg = self.iface.getFeatureForm(self.layer, f)
dlg.setMode(QgsAttributeEditorContext.AddFeatureMode)
dlg.exec_()
self.last_feature_attributes = dlg.feature().attributes()
self.rubberband.reset3D()
class QgepMapTool(QgsMapTool):
"""
Base class for all the map tools
"""
highlightedPoints = []
logger = logging.getLogger(__name__)
snapper = None
def __init__(self, iface: QgisInterface, button, network_analyzer: QgepGraphManager = None):
QgsMapTool.__init__(self, iface.mapCanvas())
self.canvas = iface.mapCanvas()
self.cursor = QCursor(Qt.CrossCursor)
self.button = button
self.msgBar = iface.messageBar()
self.network_analyzer = network_analyzer
settings = QSettings()
current_profile_color = settings.value(
"/QGEP/CurrentProfileColor", '#FF9500')
self.rubberBand = QgsRubberBand(self.canvas)
self.rubberBand.setColor(QColor(current_profile_color))
self.rubberBand.setWidth(3)
def activate(self):
"""
Gets called when the tool is activated
"""
QgsMapTool.activate(self)
self.canvas.setCursor(self.cursor)
self.button.setChecked(True)
def deactivate(self):
"""
Gets called whenever the tool is deactivated directly or indirectly
"""
QgsMapTool.deactivate(self)
self.button.setChecked(False)
# pylint: disable=no-self-use
def isZoomTool(self):
"""
Will return if this is a zoom tool
"""
return False
def setCursor(self, cursor):
"""
Set the cursor for this maptool
"""
self.cursor = QCursor(cursor)
# ===========================================================================
# Events
# ===========================================================================
def canvasReleaseEvent(self, event):
"""
Issues rightClicked and leftClicked events
"""
if event.button() == Qt.RightButton:
self.rightClicked(event)
else:
self.leftClicked(event)
def canvasDoubleClickEvent(self, event):
"""
Forwards to doubleClicked
"""
try:
self.doubleClicked(event)
except AttributeError:
pass
# ===========================================================================
# Snapping
# ===========================================================================
def init_snapper(self):
"""
Initialize snapper
"""
if not self.snapper:
self.node_layer = self.network_analyzer.getNodeLayer()
self.snapper = QgsMapCanvasSnappingUtils(self.canvas)
config = QgsSnappingConfig()
config.setMode(QgsSnappingConfig.AdvancedConfiguration)
config.setEnabled(True)
ils = QgsSnappingConfig.IndividualLayerSettings(True, QgsSnappingConfig.VertexAndSegment,
16, QgsTolerance.Pixels)
config.setIndividualLayerSettings(self.node_layer, ils)
self.snapper.setConfig(config)
def snap_point(self, event, show_menu: bool = True) -> QgsPointLocator.Match:
"""
Snap to a point on this network
:param event: A QMouseEvent
:param show_menu: determines if a menu shall be shown on a map if several matches are available
"""
clicked_point = event.pos()
if not self.snapper:
self.init_snapper()
match_filter = CounterMatchFilter()
match = self.snapper.snapToMap(clicked_point, match_filter)
if not match.isValid() or len(match_filter.matches) == 1:
return match
elif len(match_filter.matches) > 1:
matches_by_id = {match.featureId(): match for match in match_filter.matches}
node_features = self.network_analyzer.getFeaturesById(self.network_analyzer.getNodeLayer(),
list(matches_by_id.keys()))
# Filter wastewater nodes
filtered_features = {
fid: node_features.featureById(fid)
for fid in node_features.asDict()
if node_features.attrAsUnicode(node_features.featureById(fid), 'type') == 'wastewater_node'
}
# Only one wastewater node left: return this
if len(filtered_features) == 1:
matches = (match for match
in match_filter.matches
if match.featureId() == next(iter(filtered_features.keys())))
return next(matches)
# Still not sure which point to take?
# Are there no wastewater nodes filtered? Let the user choose from the reach points
if not filtered_features:
filtered_features = node_features.asDict()
# Ask the user which point he wants to use
if not show_menu:
return QgsPointLocator.Match()
actions = dict()
menu = QMenu(self.canvas)
for fid, feature in filtered_features.items():
try:
title = feature.attribute('description') + " (" + feature.attribute('obj_id') + ")"
except TypeError:
title = " (" + feature.attribute('obj_id') + ")"
actions[QAction(title, menu)] = matches_by_id[fid]
for action in sorted(actions.keys(), key=lambda o: o.text()):
menu.addAction(action)
clicked_action = menu.exec_(self.canvas.mapToGlobal(event.pos()))
if clicked_action is not None:
return actions[clicked_action]
return QgsPointLocator.Match()
class QGISRedMoveNodesTool(QgsMapTool):
ownMainLayers = [
"Pipes", "Valves", "Pumps", "Junctions", "Tanks", "Reservoirs",
"Demands", "Sources"
]
myNodeLayers = ["Junctions", "Tanks", "Reservoirs", "Demands", "Sources"]
def __init__(self, button, iface, projectDirectory, netwName):
QgsMapTool.__init__(self, iface.mapCanvas())
self.iface = iface
self.ProjectDirectory = projectDirectory
self.NetworkName = netwName
self.toolbarButton = button
self.snapper = None
self.vertexMarker = QgsVertexMarker(self.iface.mapCanvas())
self.vertexMarker.setColor(QColor(255, 87, 51))
self.vertexMarker.setIconSize(15)
self.vertexMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.vertexMarker.setPenWidth(3)
self.vertexMarker.hide()
self.mousePoint = None
self.mouseClicked = False
self.clickedPoint = None
self.objectSnapped = None
self.selectedNodeFeature = None
self.selectedNodeLayer = None
self.adjacentFeatures = None
self.newPositionVector = QgsVector(0, 0)
self.rubberBand = None
self.newVertexMarker = QgsVertexMarker(self.iface.mapCanvas())
self.newVertexMarker.setColor(QColor(55, 198, 5))
self.newVertexMarker.setIconSize(15)
self.newVertexMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.newVertexMarker.setPenWidth(3)
self.newVertexMarker.hide()
def activate(self):
cursor = QCursor()
cursor.setShape(Qt.ArrowCursor)
self.iface.mapCanvas().setCursor(cursor)
myLayers = []
# Editing
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layerPath:
myLayers.append(layer)
if not layer.isEditable():
layer.startEditing()
# Snapping
self.snapper = QgsMapCanvasSnappingUtils(self.iface.mapCanvas())
self.snapper.setMapSettings(self.iface.mapCanvas().mapSettings())
config = QgsSnappingConfig(QgsProject.instance())
config.setType(1) # Vertex
config.setMode(2) # All layers
config.setTolerance(1)
config.setUnits(2) # Pixels
config.setEnabled(True)
self.snapper.setConfig(config)
def deactivate(self):
self.toolbarButton.setChecked(False)
# End Editing
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layerPath:
if layer.isModified():
layer.commitChanges()
else:
layer.rollBack()
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return True
"""Methods"""
def getUniformedPath(self, path):
return QGISRedUtils().getUniformedPath(path)
def getLayerPath(self, layer):
return QGISRedUtils().getLayerPath(layer)
def generatePath(self, folder, fileName):
return QGISRedUtils().generatePath(folder, fileName)
def getLayers(self):
return QGISRedUtils().getLayers()
def findAdjacentElements(self, nodeGeometry):
adjacentElements = {}
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layePath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layePath:
adjacentFeatures = []
for feature in layer.getFeatures():
featureGeometry = feature.geometry()
if layer.geometryType() == 0: # Point
if self.areOverlapedPoints(nodeGeometry,
featureGeometry):
adjacentFeatures.append(feature)
elif layer.geometryType() == 1:
if featureGeometry.isMultipart():
for part in featureGeometry.get(
): # only one part
first_vertex = part[0]
last_vertex = part[-1]
else:
first_vertex = featureGeometry.get()[0]
last_vertex = featureGeometry.get()[-1]
firsVertex = QgsGeometry.fromPointXY(
QgsPointXY(first_vertex.x(), first_vertex.y()))
lastVertex = QgsGeometry.fromPointXY(
QgsPointXY(last_vertex.x(), last_vertex.y()))
if self.areOverlapedPoints(nodeGeometry, firsVertex) or\
self.areOverlapedPoints(nodeGeometry, lastVertex):
adjacentFeatures.append(feature)
if len(adjacentFeatures) > 0:
adjacentElements[layer] = adjacentFeatures
return adjacentElements
def areOverlapedPoints(self, point1, point2):
tolerance = 0.1
if point1.distance(point2) < tolerance:
return True
else:
return False
def createRubberBand(self, points):
myPoints = points
if isinstance(points[0], QgsPointXY):
myPoints = []
for p in points:
myPoints.append(QgsPoint(p.x(), p.y()))
self.rubberBand = QgsRubberBand(self.iface.mapCanvas(), False)
self.rubberBand.setToGeometry(QgsGeometry.fromPolyline(myPoints), None)
self.rubberBand.setColor(QColor(55, 198, 5))
self.rubberBand.setWidth(1)
self.rubberBand.setLineStyle(Qt.DashLine)
self.newVertexMarker.setCenter(QgsPointXY(points[0].x(),
points[0].y()))
self.newVertexMarker.show()
def updateRubberBand(self):
newX = self.clickedPoint.x() + self.newPositionVector.x()
newY = self.clickedPoint.y() + self.newPositionVector.y()
self.rubberBand.movePoint(1, QgsPointXY(newX, newY))
self.newVertexMarker.setCenter(QgsPointXY(newX, newY))
def moveNodePoint(self, layer, nodeFeature, newPosition):
if layer.isEditable():
layer.beginEditCommand('Move node')
try:
edit_utils = QgsVectorLayerEditUtils(layer)
edit_utils.moveVertex(newPosition.x(), newPosition.y(),
nodeFeature.id(), 0)
except Exception as e:
layer.destroyEditCommand()
raise e
layer.endEditCommand()
def moveVertexLink(self, layer, feature, newPosition, vertexIndex):
if layer.isEditable():
layer.beginEditCommand("Update link geometry")
try:
edit_utils = QgsVectorLayerEditUtils(layer)
edit_utils.moveVertex(newPosition.x(), newPosition.y(),
feature.id(), vertexIndex)
except Exception as e:
layer.destroyEditCommand()
raise e
layer.endEditCommand()
"""Events"""
def canvasPressEvent(self, event):
if self.objectSnapped is None:
self.clickedPoint = None
return
if event.button() == Qt.RightButton:
self.mouseClicked = False
self.clickedPoint = None
if event.button() == Qt.LeftButton:
self.mouseClicked = True
self.clickedPoint = self.objectSnapped.point()
self.selectedNodeFeature = None
self.adjacentFeatures = None
foundNode = False
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.myNodeLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layerPath:
locatedPoint = self.snapper.locatorForLayer(layer)
match = locatedPoint.nearestVertex(
self.objectSnapped.point(), 1)
if match.isValid():
featureId = match.featureId()
request = QgsFeatureRequest().setFilterFid(
featureId)
node = list(layer.getFeatures(request))
self.selectedNodeLayer = layer
foundNode = True
if not foundNode:
return
self.selectedNodeFeature = QgsFeature(node[0])
self.adjacentFeatures = self.findAdjacentElements(
self.selectedNodeFeature.geometry())
self.createRubberBand(
[self.objectSnapped.point(),
self.objectSnapped.point()])
def canvasMoveEvent(self, event):
self.mousePoint = self.toMapCoordinates(event.pos())
# Mouse not clicked
if not self.mouseClicked:
match = self.snapper.snapToMap(self.mousePoint)
if match.isValid():
self.objectSnapped = match
vertex = match.point()
self.vertexMarker.setCenter(QgsPointXY(vertex.x(), vertex.y()))
self.vertexMarker.show()
else:
self.objectSnapped = None
self.selectedNodeFeature = None
self.vertexMarker.hide()
# Mouse clicked
else:
# Update rubber band
if self.objectSnapped is not None and self.rubberBand is not None:
snappedPoint = self.objectSnapped.point()
self.newPositionVector = QgsVector(
self.mousePoint.x() - snappedPoint.x(),
self.mousePoint.y() - snappedPoint.y())
self.updateRubberBand()
def canvasReleaseEvent(self, event):
mousePoint = self.toMapCoordinates(event.pos())
if not self.mouseClicked:
return
if event.button() == 1:
self.mouseClicked = False
if self.objectSnapped is not None:
if self.selectedNodeFeature is not None:
for adjLayer in self.adjacentFeatures:
for feature in self.adjacentFeatures[adjLayer]:
if adjLayer.geometryType() == 0: # Point
self.moveNodePoint(adjLayer, feature,
mousePoint)
else:
nodeGeometry = self.selectedNodeFeature.geometry(
)
featureGeometry = feature.geometry()
if featureGeometry.isMultipart():
for part in featureGeometry.get(
): # only one part
firstVertex = part[0]
vertices = len(part)
else:
firstVertex = featureGeometry.get()[0]
vertices = 2
firstPoint = QgsGeometry.fromPointXY(
QgsPointXY(firstVertex.x(),
firstVertex.y()))
if self.areOverlapedPoints(
nodeGeometry, firstPoint):
index = 0
else:
index = vertices - 1
self.moveVertexLink(adjLayer, feature,
mousePoint, index)
self.objectSnapped = None
self.selectedNodeFeature = None
self.iface.mapCanvas().refresh()
# Remove vertex marker and rubber band
self.vertexMarker.hide()
self.iface.mapCanvas().scene().removeItem(self.rubberBand)
self.newVertexMarker.hide()