[Ipe-discuss] Transformation Matrix - coordinate system?

Lukas Barth lists at tinloaf.de
Sat Dec 20 14:34:25 CET 2014

On 12/19/2014 01:14 PM, Otfried Cheong wrote:
> The documentation for the Matrix is here:
> http://ipe7.sourceforge.net/manual/classipe_1_1_matrix.html

Oh, I did not think about looking into the API doc..

> In particular, the six numbers are the six arguments of the Matrix 
> constructor:
> Matrix (double m11, double m21, double m12, double m22, double t1, 
> double t2)

That's where I went wrong.. I read it as the two first rows of a 3x3
matrix. Thanks a lot!


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