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interactive drawpolygon for triangle, similar to drawrectangle and drawcircle

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Adrian Lee
Adrian Lee 2020-11-18
评论： Ameer Hamza 2020-11-18
i want to code an interactive triangle,
i have saw a code for rectangles and circles, drawrectangle and drawcircle respectively
can i do the same for triangles?
if not, how do i make sure that the shape of the triangle is constant but allow enlargement and translation of the triangle?

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Ameer Hamza
Ameer Hamza 2020-11-18
  2 个评论
Adrian Lee
Adrian Lee 2020-11-18
i have used it
however it does not allow for the triangle to have constant shape while allow for expansion
i used a listener function to maintain shape
i was wondering if there is a way to do it without the listener function
just as drawrectangle has a method to do it
roi = drawrectangle('FixedAspecRatio', 'True');
By default drawrectangle fixed aspect ratio is true

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