StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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34 lines
1.4 KiB
34 lines
1.4 KiB
# mat4-decompose
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[](http://github.com/badges/stability-badges)
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Decomposes a 3D matrix, useful for animations. Code ported from [W3 CSS Spec](http://www.w3.org/TR/css3-transforms/#decomposing-a-3d-matrix). PRs for more tests/robustness/optimizations welcome.
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Order:
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- first isolates perspective
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- then determines translation
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- then determines X scale, XY shear, Y scale, XZ and YZ shear, and Z scale
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- then determines quaternion rotation
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You may also be interested in [mat4-interpolate](https://www.npmjs.com/package/mat4-interpolate), [mat4-recompose](https://www.npmjs.com/package/mat4-recompose), and [css-mat4](https://www.npmjs.com/package/css-mat4).
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## Usage
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[](https://nodei.co/npm/mat4-decompose/)
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#### `valid = decompose(matrix[, translation, scale, skew, perspective, quaternion])`
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Decomposes the given `matrix` (an array of 16 floats, like those gl-matrix operates on), storing the results into the specified optional vectors.
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- `translation` [x, y, z]
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- `scale` [x, y, z]
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- `skew` [xy, xz, yz] skew factors
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- `perspective` [x, y, z, w]
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- `quaternion` [x, y, z, w]
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Returns `false` is this matrix cannot be decomposed, `true` otherwise.
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## License
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MIT, see [LICENSE.md](http://github.com/mattdesl/mat4-decompose/blob/master/LICENSE.md) for details.
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