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The examples with a call to `gui()` in `setup()` segfaults on ubuntu 14.04 with nvidia-346 driver. I have debugged it down to the 3rd call to `OnDraw()` in gfx_control.h.
Tested with `xFabrikChain.cp…
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See [example style guide](https://observablehq.com/@d3/example-style-guide).
Ready for review:
- [x] [Animated treemap](https://observablehq.com/@d3/animated-treemap)
- [ ] [Arc diagram](https:…
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I've tried my best to understand the differences between the Waterman and Cahill projection(s), and what D3 publishes as [geoPolyhedralWaterman](https://github.com/d3/d3-geo-projection#geoPolyhedralWa…
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Currently, antipodal quaternions are treated as equal, i.e., `q == -q`. I can see the motivation for this -- they induce the same rotation -- but this leads to several issues:
* AFAIK, accessing t…
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It should be possible to decompose a general bivector into D/2 (rounded downwards) components, where D is the number of dimensions.
Would be nice if a function for doing this would be added to this l…
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I'd like to apply a torque to the Rotational Flange of a Revolute Joint.
However, I don't want the torque _reaction_ to be applied to the Support Flange of the Revolute Joint.
The torque reaction is…
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The definition of reflect_in_blade does not look correct at:
https://github.com/pygae/galgebra/blob/2b888f8dacae72ee9c7770a1e7671d7f693e1610/galgebra/mv.py#L419-L423 Assuming pure blades, it gives a…
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Context
- 3D Visualization software like [3D Slicer](https://www.slicer.org/) provide a larger number of visualization modules for different purposes.
- One of the modules, the [Transform](https:/…
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We have noticed that the similarity3DTransform API returns a reflection along with the scale factor (negative scale factor). Both GetMatrix() as well as the GetFixedParameters() API return the reflect…
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I think if x is a blade then x*rev(x) is a scalar, this could be used to define `is.blade()`