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



 

Attachment: line_editor.py
Description: line_editor.py

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