VolumeRender using glulookAt
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- C++
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Description
Hi,
In volumeRender, instead of using vanilla glRotatef/glTranslate function, I also tried glulookAt function by assuming the center is (0, 0, 0) then varying the camera coordinates. But sometimes I only saw a empty image of part of the volume. I feel like the camera is fixed all the time and the volume is moving with some distance to the camera.
Can you help me with it? Thank you in advance.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the volumeRender sample and comparing its glRotatef/glTranslate path with the attempted glulookAt camera-coordinate path. Reproduce the empty or partial-volume view while varying the camera coordinates; done means the sample renders the full volume reliably with the intended camera movement.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- computer-graphics
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100