Forums > Jitter

jit.submatrix : improving ?


Antoine Villeret
Feb 16 2010 | 12:08 am

Hi,

i’m having troubles with a behavior of jit.submatrix

i’m working with a flow of jitter matrices
the size of the matrices is alternatively 2 x 4 and 1 x 4
i try to get the second column of each matrix with :
[jit.submatrix @dim 1 4 @offset 1 0]

when i send the 2 x 4 at first, no problem, it sends back its second column
when i send the 1 x 4 matrix, it has no 2d column so it send the first one instead, why not ?
but after that, when re-send the 2 x 4 matrix, i get the 1st column, not the 2d
i realised that [jit.submatrix] changes its offset itself as it could’t find a 2d column in one matrix.

i don’t think this behavior is a bug but it would be nice if i could choose the behavior when the offset can’t be reached (for example : nooutput, nearest, previous)

here is a patch with this behavior :



-- Pasted Max  Patch, click to expand. --  





best

a.
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