memory leak when doing plot.replot()

[Nitish Jha]

hello,

i am using the guiqwt curvewidget in my application which shows the current
position of a robot in the tank. i have a QTimer to periodically update the
robot position in the plot. i do a plot.replot() in the timer slot to
update the position. as i have a large static layout that is also shown in
the plot. (see images)



self.robot_item.set_points(self.simulator.robot.rotated_robot_item_array)
# i am using a polygon shape to represent the robot
self.layout_plot_widget.plot.replot()

in every update loop the memory used by the application increases. if i
comment out the plot.replot() than its fine. is there a better way to have
just the changed items be re-plotted rather than the whole plot ?
thanks for the help.

nitish