def canvasMoveEvent(self,event):
if self.featId != None and self.clicked == True:
## Try to snap to active or background layer first.
x = event.pos().x()
y = event.pos().y()
startingPoint = QPoint(x,y)
snapper = QgsMapCanvasSnapper(self.canvas)
(retval,result) = snapper.snapToCurrentLayer (startingPoint,QgsSnapper.SnapToVertex)
if result <> []:
newPoint = result[0].snappedVertex
else:
(retval,result) = snapper.snapToBackgroundLayers(startingPoint)
if result <> []:
newPoint = result[0].snappedVertex
else:
newPoint = self.toLayerCoordinates( self.layer, event.pos() )
## Create the new geometry (circular arc) for the moving rubberband and
## the final feature.
settings = QSettings("CatAIS","cadtools")
value = settings.value("arcs/rubberangle", 5)
if self.movingVertex == "arc":
g = CircularArc.getInterpolatedArc(self.ptStart, newPoint, self.ptEnd, "angle", value.toDouble()[0])
elif self.movingVertex == "start":
g = CircularArc.getInterpolatedArc(newPoint, self.ptArc, self.ptEnd, "angle", value.toDouble()[0])
elif self.movingVertex == "end":
g = CircularArc.getInterpolatedArc(self.ptStart, self.ptArc, newPoint, "angle", value.toDouble()[0])
self.rb2.setToGeometry( g, self.layer );
# print str(self.ptStart.toString())
# print str(newPoint.toString())
# print str(self.ptEnd.toString())
pass
def canvasReleaseEvent(self,event):
if self.rb2 <> None:
## Reset the rubberband.
self.rb2.reset()
self.rb2 = None
## What happens to newPoint???? Even as self.newPoint it
## does not work....
## We just snap again....
x = event.pos().x()
y = event.pos().y()
startingPoint = QPoint(x,y)
snapper = QgsMapCanvasSnapper(self.canvas)
(retval,result) = snapper.snapToCurrentLayer (startingPoint,QgsSnapper.SnapToVertex)
if result <> []:
newPoint = result[0].snappedVertex
else:
(retval,result) = snapper.snapToBackgroundLayers(startingPoint)
if result <> []:
newPoint = result[0].snappedVertex
else:
newPoint = self.toLayerCoordinates( self.layer, event.pos() )
## Modify the feature.
settings = QSettings("CatAIS","cadtools")
method = settings.value("arcs/featuremethod", "pitch")
if method == "pitch":
value = settings.value("arcs/featurepitch", 2)
else:
value = settings.value("arcs/featureangle", 1)
if self.movingVertex == "arc":
g = CircularArc.getInterpolatedArc(self.ptStart, newPoint, self.ptEnd, method, value.toDouble()[0])
elif self.movingVertex == "start":
g = CircularArc.getInterpolatedArc(newPoint, self.ptArc, self.ptEnd, method, value.toDouble()[0])
elif self.movingVertex == "end":
g = CircularArc.getInterpolatedArc(self.ptStart, self.ptArc, newPoint, method, value.toDouble()[0])
## On the Fly reprojection of the geometry (only if needed)
layerEPSG = self.layer.srs().epsg()
projectEPSG = self.canvas.mapRenderer().destinationSrs().epsg()
if layerEPSG != projectEPSG:
layerSRS = self.layer.srs()
projectSRS = self.canvas.mapRenderer().destinationSrs()
coordtrans = QgsCoordinateTransform(layerSRS, projectSRS)
g.transform(coordtrans)
self.layer.beginEditCommand("Geometry modified.")
self.layer.changeGeometry(self.featId, g)
self.layer.endEditCommand()
self.layer.setModified(True, True)
self.layer.reload()
self.canvas.refresh()
## Reset some stuff.
self.clicked = False
self.featId = None
pass
def canvasMoveEvent(self, event):
if self.featId != None and self.clicked == True:
## Try to snap to active or background layer first.
x = event.pos().x()
y = event.pos().y()
startingPoint = QPoint(x, y)
snapper = QgsMapCanvasSnapper(self.canvas)
(retval,
result) = snapper.snapToCurrentLayer(startingPoint,
QgsSnapper.SnapToVertex)
if result <> []:
newPoint = result[0].snappedVertex
else:
(retval,
result) = snapper.snapToBackgroundLayers(startingPoint)
if result <> []:
newPoint = result[0].snappedVertex
else:
newPoint = self.toLayerCoordinates(self.layer, event.pos())
## Create the new geometry (circular arc) for the moving rubberband and
## the final feature.
settings = QSettings("CatAIS", "cadtools")
value = settings.value("arcs/rubberangle", 5)
if self.movingVertex == "arc":
g = CircularArc.getInterpolatedArc(self.ptStart, newPoint,
self.ptEnd, "angle",
value.toDouble()[0])
elif self.movingVertex == "start":
g = CircularArc.getInterpolatedArc(newPoint, self.ptArc,
self.ptEnd, "angle",
value.toDouble()[0])
elif self.movingVertex == "end":
g = CircularArc.getInterpolatedArc(self.ptStart, self.ptArc,
newPoint, "angle",
value.toDouble()[0])
self.rb2.setToGeometry(g, self.layer)
# print str(self.ptStart.toString())
# print str(newPoint.toString())
# print str(self.ptEnd.toString())
pass
def createCircularArc(self):
settings = QSettings("CatAIS","cadtools")
method = settings.value("arcs/featuremethod", "pitch")
if method == "pitch":
value = settings.value("arcs/featurepitch", 2, type=float)
else:
value = settings.value("arcs/featureangle", 1, type=float)
if self.p1 == None or self.p2 == None or self.p3 == None:
QMessageBox.information(None, QCoreApplication.translate("ctools", "Cancel"), QCoreApplication.translate("ctools", "Not enough points selected."))
else:
g = CircularArc.getInterpolatedArc(self.p1, self.p2, self.p3, method, value)
cadutils.addGeometryToCadLayer(g)
self.canvas.refresh()
self.unsetTool()
def createCircularArc(self):
settings = QSettings("CatAIS","cadtools")
method = settings.value("arcs/featuremethod", "pitch")
if method == "pitch":
value = settings.value("arcs/featurepitch", 2)
else:
value = settings.value("arcs/featureangle", 1)
if self.p1 == None or self.p2 == None or self.p3 == None:
QMessageBox.information(None, "Cancel", "Not enough points selected.")
else:
g = CircularArc.getInterpolatedArc(self.p1, self.p2, self.p3, method.toString(), value.toDouble()[0])
cadutils.addGeometryToCadLayer(g)
self.canvas.refresh()
self.unsetTool()
def createCircularArc(self):
settings = QSettings("CatAIS", "cadtools")
method = settings.value("arcs/featuremethod", "pitch")
if method == "pitch":
value = settings.value("arcs/featurepitch", 2)
else:
value = settings.value("arcs/featureangle", 1)
if self.p1 == None or self.p2 == None or self.p3 == None:
QMessageBox.information(None, "Cancel",
"Not enough points selected.")
else:
g = CircularArc.getInterpolatedArc(self.p1, self.p2, self.p3,
method.toString(),
value.toDouble()[0])
cadutils.addGeometryToCadLayer(g)
self.canvas.refresh()
self.unsetTool()
def canvasPressEvent(self, event):
color = QColor(255, 0, 0, 100)
self.rb.setColor(color)
self.rb.setWidth(1)
x = event.pos().x()
y = event.pos().y()
if event.button() == Qt.LeftButton:
## This is the same as in the canvasMoveEvent.
## Is there an easier way??? Or more logical way?
startingPoint = QPoint(x, y)
snapper = QgsMapCanvasSnapper(self.canvas)
(retval,
result) = snapper.snapToCurrentLayer(startingPoint,
QgsSnapper.SnapToVertex)
if result <> []:
point = result[0].snappedVertex
else:
(retval,
result) = snapper.snapToBackgroundLayers(startingPoint)
if result <> []:
point = result[0].snappedVertex
else:
point = self.canvas.getCoordinateTransform(
).toMapCoordinates(event.pos().x(),
event.pos().y())
self.rb.addPoint(point)
if self.mCtrl == True:
if self.count == 0:
self.ptStart = QgsPoint(point.x(), point.y())
print str(self.ptStart.toString())
print "******************** NUmmer EINS...."
elif self.count == 1:
self.ptArc = QgsPoint(point.x(), point.y())
print "******************** NUmmer ZWEI...."
elif self.count == 2:
print "******************** NUmmer drei...."
print str(self.ptStart.toString())
self.ptEnd = QgsPoint(point.x(), point.y())
self.count = -1
## Remove the last three points
## and create the circular arc.
self.rb.removeLastPoint()
self.rb.removeLastPoint()
self.rb.removeLastPoint()
settings = QSettings("CatAIS", "cadtools")
method = settings.value("arcs/featuremethod", "pitch")
if method == "pitch":
value = settings.value("arcs/featurepitch",
2,
type=float)
else:
value = settings.value("arcs/featureangle",
1,
type=float)
g = CircularArc.getInterpolatedArc(self.ptStart,
self.ptArc, self.ptEnd,
method, value)
ptList = g.asPolyline()
## Add the segmentation points to the rubberband.
for i in ptList:
self.rb.addPoint(i)
self.mCtrl == False
self.count = self.count + 1
else:
self.createFeature()
def canvasReleaseEvent(self, event):
if self.rb2 <> None:
## Reset the rubberband.
self.rb2.reset()
self.rb2 = None
## What happens to newPoint???? Even as self.newPoint it
## does not work....
## We just snap again....
x = event.pos().x()
y = event.pos().y()
startingPoint = QPoint(x, y)
snapper = QgsMapCanvasSnapper(self.canvas)
(retval,
result) = snapper.snapToCurrentLayer(startingPoint,
QgsSnapper.SnapToVertex)
if result <> []:
newPoint = result[0].snappedVertex
else:
(retval,
result) = snapper.snapToBackgroundLayers(startingPoint)
if result <> []:
newPoint = result[0].snappedVertex
else:
newPoint = self.toLayerCoordinates(self.layer, event.pos())
## Modify the feature.
settings = QSettings("CatAIS", "cadtools")
method = settings.value("arcs/featuremethod", "pitch")
if method == "pitch":
value = settings.value("arcs/featurepitch", 2, type=float)
else:
value = settings.value("arcs/featureangle", 1, type=float)
if self.movingVertex == "arc":
g = CircularArc.getInterpolatedArc(self.ptStart, newPoint,
self.ptEnd, method, value)
elif self.movingVertex == "start":
g = CircularArc.getInterpolatedArc(newPoint, self.ptArc,
self.ptEnd, method, value)
elif self.movingVertex == "end":
g = CircularArc.getInterpolatedArc(self.ptStart, self.ptArc,
newPoint, method, value)
## On the Fly reprojection of the geometry (only if needed)
layerEPSG = cadutils.authidToCrs(self.layer.crs().authid())
projectEPSG = cadutils.authidToCrs(
self.canvas.mapRenderer().destinationCrs().authid())
if layerEPSG != projectEPSG:
layerCrs = self.layer.crs()
projectCrs = self.canvas.mapRenderer().destinationCrs()
coordtrans = QgsCoordinateTransform(layerCrs, projectCrs)
g.transform(coordtrans)
self.layer.beginEditCommand("Geometry modified.")
self.layer.changeGeometry(self.featId, g)
self.layer.endEditCommand()
self.layer.reload()
self.canvas.refresh()
## Reset some stuff.
self.clicked = False
self.featId = None
pass
def canvasPressEvent(self,event):
color = QColor(255,0,0)
self.rb.setColor(color)
self.rb.setWidth(1)
x = event.pos().x()
y = event.pos().y()
if event.button() == Qt.LeftButton:
## This is the same as in the canvasMoveEvent.
## Is there an easier way??? Or more logical way?
startingPoint = QPoint(x,y)
snapper = QgsMapCanvasSnapper(self.canvas)
(retval,result) = snapper.snapToCurrentLayer (startingPoint, QgsSnapper.SnapToVertex)
if result <> []:
point = result[0].snappedVertex
else:
(retval,result) = snapper.snapToBackgroundLayers(startingPoint)
if result <> []:
point = result[0].snappedVertex
else:
point = self.canvas.getCoordinateTransform().toMapCoordinates( event.pos().x(), event.pos().y() );
self.rb.addPoint(point)
if self.mCtrl == True:
if self.count == 0:
self.ptStart = QgsPoint( point.x(), point.y() )
print str(self.ptStart.toString())
print "******************** NUmmer EINS...."
elif self.count == 1:
self.ptArc = QgsPoint( point.x(), point.y() )
print "******************** NUmmer ZWEI...."
elif self.count == 2:
print "******************** NUmmer drei...."
print str(self.ptStart.toString())
self.ptEnd = QgsPoint( point.x(), point.y() )
self.count = -1
## Remove the last three points
## and create the circular arc.
self.rb.removeLastPoint( )
self.rb.removeLastPoint( )
self.rb.removeLastPoint( )
settings = QSettings("CatAIS","cadtools")
method = settings.value("arcs/featuremethod", "pitch")
if method == "pitch":
value = settings.value("arcs/featurepitch", 2)
else:
value = settings.value("arcs/featureangle", 1)
g = CircularArc.getInterpolatedArc(self.ptStart, self.ptArc, self.ptEnd, method.toString(), value.toDouble()[0])
ptList = g.asPolyline()
## Add the segmentation points to the rubberband.
for i in ptList:
self.rb.addPoint(i)
self.mCtrl == False
self.count = self.count + 1
else:
self.createFeature()
