Science Score: 36.0%
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Low similarity (5.7%) to scientific vocabulary
Keywords
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Repository
Matrix Multiply CHOP
Basic Info
- Host: GitHub
- Owner: DBraun
- License: mit
- Language: C++
- Default Branch: master
- Size: 94.7 KB
Statistics
- Stars: 25
- Watchers: 2
- Forks: 1
- Open Issues: 0
- Releases: 0
Topics
Metadata Files
README.md
MatrixCHOP (Matrix Multiply CHOP)
The MatrixCHOP produces the screen-space coordinates of points based on a camera and an aspect ratio. The inputs:
- Positions (XYZ): 3 channels and any number of samples
- Camera View and Projection Matrix : 16 channels and one sample. Check the demo project for an easy example.
The output:
- The UV-coordinates of the positions in the camera's view. UVs are typically between [0,0] and [1,1] if they're inside the camera's view, but the MatrixCHOP does not clamp values or delete out-of-bounds samples.
Demo
In this image we render a white rectangle at an oblique angle. The MatrixCHOP takes the world-space positions of the rectangle's points, the camera's full view-projection-matrix, and then produces 4 new points. These 4 points are then depicted in a separate render of red squares. These squares land exactly on the corners in the first render, confirming that the MatrixCHOP outputs correct screen-space coordinates.
Instructions
Build the dll yourself, or use a compiled DLL file. MatrixCHOP/MatrixCHOP/Plugins/MatrixCHOP.dll has been compiled as a Custom Operator for TouchDesigner 2019.19160.
Changelog
- 2019-09-27 Optimization
- 2019-09-19 Public release
Owner
- Name: David Braun
- Login: DBraun
- Kind: user
- Company: DIRT Design
- Website: https://dirt.design
- Twitter: DoItRealTime
- Repositories: 37
- Profile: https://github.com/DBraun
Do It Real-Time | Audiovisual ML, Faust, TouchDesigner | alum @ccrma
GitHub Events
Total
- Watch event: 4
- Push event: 2
Last Year
- Watch event: 4
- Push event: 2
Committers
Last synced: over 1 year ago
Top Committers
| Name | Commits | |
|---|---|---|
| David Braun | d****n@a****u | 5 |
| David Braun | d****n@l****m | 1 |
| David Braun | e****l@e****m | 1 |
| David | 2****n | 1 |
Committer Domains (Top 20 + Academic)
Issues and Pull Requests
Last synced: 11 months ago
All Time
- Total issues: 0
- Total pull requests: 0
- Average time to close issues: N/A
- Average time to close pull requests: N/A
- Total issue authors: 0
- Total pull request authors: 0
- Average comments per issue: 0
- Average comments per pull request: 0
- Merged pull requests: 0
- Bot issues: 0
- Bot pull requests: 0
Past Year
- Issues: 0
- Pull requests: 0
- Average time to close issues: N/A
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- Issue authors: 0
- Pull request authors: 0
- Average comments per issue: 0
- Average comments per pull request: 0
- Merged pull requests: 0
- Bot issues: 0
- Bot pull requests: 0