The coordinate of click is not correctly returned

[xuzheng0927]

The pos returned from function "unproject_mouse" is not consistent with the mesh coordinate.

I tried printing xPos, yPos, _width, _height after I clicked the right bottom corner, and I got:

xPos: 326.086, yPos: 325.675, width: 800, height: 800

I am using Mac. Anybody has an idea why this happens?

[taiya]

The trace code is meant to be run on the lab. I assume your mac might have a retina screen?
If you want to use your laptop, you'll have to apply a correction to re-scale it properly.

I think I had this fixed it for the generic trackball window, see this code:
OpenGP::TrackballWindow::mouse_move_callback(double x_window, double y_window)

[xuzheng0927]

I see that.. what a headache

On Sat, Nov 12, 2016 at 10:01 PM, Andrea notifications@github.com wrote:

The trace code is meant to be run on the lab. I assume your mac might have
a retina screen?
If you want to use your laptop, you'll have to apply a correction to
re-scale it properly.

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[taiya]

Unfortunately there is no way for the TA to help you, as he doesn't have a Mac+Retina computer available for testing :\

[xuzheng0927]

I might be able to re-scale it when dealing with the 2D grid, but the 3D grid should be difficult for me (how to get the z coordinate value?) Anyway I cannot spend too much time on this. If the code works on the computers in the lab, I may have to spend most of my time in the lab.