Providing option to restrict element-picking to a particular type
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- Dominant language
- C++
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Description
This came up when I was preparing the coding assignments for CMU's DDG course.
Currently, the element picker picks up on elements of all sorts, including vertices, edges, faces, halfedges. On the other hand, in some assignments, students only need to select vertices on a mesh. Vertex selection is still doable, but on larger meshes it can require zooming in to more precisely select vertices.
It seems we've discussed this problem before (just logging it here.) One thing I'll add is that it might be helpful if the user could restrict to a certain element type by holding down a key while clicking.
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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
No implementation files, tests, or entry points are named. Start by locating the element-picker code and reviewing the earlier discussion referenced in the issue; done means users can restrict picking to a selected element type, including the proposed key-held interaction, without losing existing picking behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- computer-graphics
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100