I modified the path_editor.py example in order to make a line editor, as attached. However, the line is not animated even the line has been correctly updated. It seems canvas.blit is not functioning correctly in motion_notify_callback. Canvas.blit works in draw_callback because the initial line can be plotted.
I read the Curse implement which uses lines. This implementation uses visible but not animated property to achieve the animation. Any reason for that? I appreciated any suggestions to fix this problem. Jinsuo Nie
line_editor.py
Description: line_editor.py
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