Forums > Jitter

query cell coordinates of a target value in a jitter matrix

Jun 03 2013 | 7:10 am

Hello, is there any object which runs under 64bit, which allows to query cell coordinates (x/y) from a jitter matrix for a given target value. I have a matrix filled with floats and want to find the position of the highest value.

Please help!

Jun 03 2013 | 7:10 am

ah sorry I am running Win7 64bit

Jun 03 2013 | 11:06 am

It’s not a single object – it’s a message sequence to a jit.matrix object.

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Jun 04 2013 | 3:31 am

Hello Max Gerdener, thanks for your reply. my question was not for getting the value as it is nice documented in the matrix reference but if I have this value already how to know at which column and row it is in the matrix, means the x, y cell coordinates.

Jun 05 2013 | 2:54 am

there is no standard jitter object for this, you need to look at 3rd party externals

take a look at the objects in Wesley Smith’s site:

Jun 05 2013 | 3:44 am

maybe one solution :

combine a [jit.op @op == @val (your value)] object
-> this will put your cell to 1 if the value in your matrix are equals to your known value,

then give it to a [jit.iter] to retrieve coordinate

Jun 05 2013 | 4:07 am

one example :

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Jun 06 2013 | 4:01 am

@touk: thanks that helps!

@floating point: thanks! about xray: I have to try how it works under win7 64bit. there was an object xray.jit.maxvalue which seems to be no longer supported and which does exactly this kind of cell-index-search.

Mar 23 2016 | 2:06 am


Sorry for the necroposting. I just encountered the same issue and decided to share the solution.
The object for value-based cell index search in xraypackage is xray.jit.cellvalue. Example:

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Forums > Jitter