Lab 3: is my logic correct?

[xuzheng0927]

To calculate gauss curvature, I have the following code (very simple and straightforward I think):

(code removed)

But I got a completely different result:

What could be the problem?

[nlguillemot]

I tried to illustrate what the variables in your code correspond to. You can see the angle is in the wrong corner.

[nlguillemot]

Also I've removed your code from your post to prevent others from copying it, just to be safe.

[xuzheng0927]

I see. I thought the vertex associated with a half edge was the "point-to" one but actually it is the "point-from" one. Now it is correct.