cannot load ply model

[SunshineDou]

@yanqingan Hello, I ran the code in qt5.11 in ubuntu16, but it cannot load model, the ply file and the result is as follows:

What's the matter? Thank you very much

[yanqingan]

Hi, I am not sure. Can you try another .ply file with more vertices to test whether the issue occurs as well? It seems the vertex count is too small. So the display may be hard to observe.