Comments (2)
Thanks so much for your time to reply.
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If you want to learn about this stuff, I’d take a look at the CSS Transform specification (and perhaps Graphics Gems). The 2D matrix is decomposed into x- and y-translation, rotation, x-skew and x- and y-scale. The reason that y-skew is not part of that list is that it is redundant given that the decomposition already includes the other factors.
That said, this implementation was originally based on an earlier version of the specification for 3D transform interpolation, back when the specification did not provide as much detail for decomposing and interpolating 2D transforms (see d3/d3@e3f6f33). It looks like my implementation is slightly different than the specification for some edge cases, and it might be worth verifying consistent behavior. I’ll file a separate issue for that.
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Related Issues (20)
- Images in readme not loading due to Content Security Policy
- Simple zoom-in with interpolateZoom gives negative duration
- Interpolated data spike value problem HOT 1
- d3-color vulnerable to ReDoS HOT 1
- d3-color dependency update due to ReDoS HOT 1
- d3-color version issue HOT 2
- [bug] require() of ES modules is not supported HOT 3
- NaN RGB values if passing zero to interpolateRgb
- Meteor app crashes HOT 1
- d3-color version issue
- interpolateBalanced? HOT 3
- d3.piecewise(values)?
- Non-uniform d3.interpolateRgbBasis HOT 2
- array.js sometimes reports errors HOT 1
- Catmull-Rom interpolator? HOT 1
- Interpolate with t=Infinity returns NaN instead of Infinity HOT 6
- d3.interpolateHcl(a,b)(1) doesn't return 'b' HOT 3
- 3.0.1 doesn't work with Jest HOT 11
- Require Cycle with object.js and value.js HOT 1
- Require cycle: `value.js` -> `object.js` -> `value.js` HOT 3
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