when I use the qopenglwidget to show ply file, found the interface feedback with low efficiency when performing a mouse event.
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are you repainting the canvas of the gl widget calling update() ? – ΦXocę 웃 Пepeúpa ツ May 28 '19 at 07:32
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Please add your code. – Trantor May 28 '19 at 07:41