def canvasPressEvent(self, event):
geom = self.band.asGeometry()
if not geom:
return
point = point_from_event(event, self.snapping)
if self.editmode:
layer = self.currentVectorLayer()
event.snapToGrid(layer.geometryOptions().geometryPrecision(), layer.crs())
tol = QgsTolerance.vertexSearchRadius(self.canvas.mapSettings())
loc = self.canvas.snappingUtils().locatorForLayer(layer)
matches = loc.verticesInRect(point, tol)
if matches:
for match in matches:
if match.featureId() != self.feature.id():
continue
self.editpart = 0
self.editvertex = match.vertexIndex()
break
else:
self.editvertex = None
self.editpart = 0
def vertex_at_point(self, point):
layer = self.currentVectorLayer()
tol = QgsTolerance.vertexSearchRadius(self.canvas.mapSettings())
loc = self.canvas.snappingUtils().locatorForLayer(layer)
matches = loc.verticesInRect(point, tol)
return matches