Re: A89: Re: 3D rotation of plots
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Re: A89: Re: 3D rotation of plots
In a message dated 1/13/99 6:01:05 PM Eastern Standard Time,
nlmueller@students.wisc.edu writes:
> However, if someone made a
> matrix multiply function it would be much simpler to use matrix multiply.
> The matrix system is also faster if you want to perform more then one
> transformation at a time. You simply add the two transformation matrixs
> and multiply that matrix by the list of points.
so, because to rotate a point around the x,y or z axis requires a different
matrix for each, then to rotate around the x,y, AND z axes at the same time
then l would add those three matrices together and multiply them by the point
data matrix? What about if l use a different var for each of the x,y, and z
angle rotations?
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