[PD] iemmatrix - "rotate" matrix

[Matthias Kronlachner]

Hi!

On 7/9/13 4:14 AM, João Pais wrote:
> Hello,
>
> I'm programming a gui for [mtx_mul~], and it's almost finished. One 
> thing is missing, and I wanted to know if someone already has a 
> solution for it, before I break my head trying to find one.
>
> I need to find a way to "rotate" matrixes, in order to coordenate the 
> controler display, and matrix's format. Following the logic of max's 
> matrixctrl object, and an usual DAW's display of audio matrixes, the 
> lines are the inputs, and the columns are the outputs. But, Pd's 
> [matrix] practise is the opposite.
> So I'm trying to implement the "standard industry" display, and output 
> Pd's [matrix] format.
>
> For example, a 4x2 matrix to control [mtx_mul~] has 8 fields, and will 
> be like
>
> 1 2
> 3 4
> 5 6
> 7 8
>
> or
>
> [matrix 4 2 1 2 3 4 5 6 7 8(
>
> that is, columns are inputs, lines are outputs.
>
> But, the current GUI would have the matrix "rotated", in the order
>
> 1 2 3 4
> 5 6 7 8
>
> [matrix 4 2 1 5 2 6 3 7 4 8(
shouldn't this be:

1 3 5 7
2 4 6 8

?
you do that with mtx_transpose.

best, matthias
>
> where columns are outputs, and lines are inputs.
>
> So repeating to try to make it clear: the gui sends the data in the 
> lower format, and it has to be "rotated" to match the format above. Is 
> there an object or technique that does this?
>
> Thanks again,
>
> João
>
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