isl-org / isl-org/Open3D

Hidden point removal with Orthogonal projection view

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#3,794 1 comment 0 reactions 1 assignee Claimed by @errissa View on GitHub
feature request projection visualization
Dominant language
C++
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Description

TL;DR - Is it possible to implement HiddenPointRemoval(HPR) with orthogonal projection?

**Problem**
HiddenPointRemoval(HPR) uses the default visualization (perspective), and gives the wrong result.

**Solution**
An option to completely switch to orthogonal view (fov=5 instead of fov=90), would solve this issue. I couldn't find a solution to this in the documentation.

**Alternatives tried**
using viewcontrols I was able to switch the view to orthogonal, but HPR still continues to use the default viz mode.

**Images for reference**
Image 1 and 2 shows how the part looks in top view before and after HPR algorithm.
![HPR_top](https://user-images.githubusercontent.com/26214766/126867159-2bb2c803-47a8-434b-a5b5-8004d20a005d.png)
![reference](https://user-images.githubusercontent.com/26214766/126867160-1f4a7f61-f9c0-4bca-9198-ac2ae47a0e72.png)

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