1
vote
1answer
118 views

Understanding implementation of glu.PickMatrix()

I am working on an OpenGL project which requires object selection feature. I use OpenTK framework to do this; however OpenTK doesn't support glu.PickMatrix() method to define the picking region. I ...
3
votes
3answers
1k views

What method replaces GL_SELECT for box selection?

Last 2 weeks I started working on a box selection that selects shapes using GL_SELECT and I just got it working finally. When looking up resources online, there is a significant number of posts that ...
1
vote
1answer
194 views

Selection of a mesh with arbitrary region

Considering example: I have a mesh(es) on the OpenGL screen and would like to select a part of it (say for delete purpose). There is a clear way to do the selction via Ray Tracing, or via Selection ...
1
vote
1answer
254 views

Region selection in OpenGL

If I have a mesh of triangles and going to make a selection on it using a region (and not rectangle using Glu.gluPickMatrix(...);), how can I implement it?