bfaca5dcfc55113e3f8fd3134e21ae9567a4097c,invesalius/data/viewer_slice.py,Viewer,UpdateCanvas,#Viewer#,1380

Before Change

        self.interactor.Render()

    def UpdateCanvas(self, evt=None):
        for (m, mr) in self.measures.get(self.orientation, self.slice_data.number):
            try:
                self.canvas.draw_list.remove(mr)
            except ValueError:
                pass

        for (m, mr) in self.measures.get(self.orientation, self.slice_data.number):
            if m.visible:
                self.canvas.draw_list.append(mr)

After Change

        // Removing all measures
        for i in cp_draw_list:
            if not isinstance(i, (measures.AngularMeasure, measures.LinearMeasure)):
                self.canvas.draw_list.append(i)

        // Then add all needed measures

Instances