Find Feature Shapes
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Mike Jackson
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The data structure in your image doesn’t look correct to me. Where is all of the cell data? I see “Feature” data, data that lives at the grain level, but where is the cell data, i.e., data that lives at each voxel?
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Mike Jackson
From: <dream3...@googlegroups.com> on behalf of Elise Baribault <ebarib...@gmail.com>
Date: Sunday, January 2, 2022 at 2:25 PM
To: dream3d-users <dream3...@googlegroups.com>
Subject: Re: How do I find Feature Apect Ratio??
I can't seem to run that filter? I used the "Find Feature Centroids in the filter before, but I can't select the Feature Data in this filter

Thank you,
Elise
On Friday, December 31, 2021 at 2:18:44 PM UTC-5 mike.j...@bluequartz.net wrote:
Find Feature Shapes
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Mike Jackson
From: <dream3...@googlegroups.com> on behalf of Elise Baribault <ebarib...@gmail.com>
Date: Wednesday, December 29, 2021 at 12:22 AM
To: dream3d-users <dream3...@googlegroups.com>
Subject: How do I find Feature Apect Ratio??
Hi,
I am trying to find the Feature aspect ratio (a/b, a/c) of a microstructure. Is there an easy way to do this? Is the value in the StatsGenerator filter?
Thanks,
Elise
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You may need to calculate the Centroids using the appropriate “Find Centroids” Filter before calculating shapes.
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Mike Jackson
From: Elise Baribault <ebarib...@gmail.com>
Date: Tuesday, January 4, 2022 at 12:12 AM
To: Michael Jackson <mike.j...@bluequartz.net>
Cc: dream3d-users <dream3...@googlegroups.com>
Subject: Re: How do I find Feature Apect Ratio??
I tried opening a different pipeline and was able to get the Cell Feature Attribute Matrix. But not the centroids. But the centroids are in the Data Structure?

Thanks,
Elise
On Jan 4, 2022, at 10:27 AM, Michael Jackson <mike.j...@bluequartz.net> wrote:
Looking a bit closer at your screen shots the “Centroids” should come from the same “Cell Feature Attribute Matrix”. So in the “Find Feature Centroids” filter are you storing the final Centroids in the “ImageDataContainer / CellFeatureData / Centroids”?
You could use the “Export ASCII Data” and export a single file with DataArrays of your selection. You could write a DREAM.3D file (which is just an HDF5 file) that you could use an HDFViewer to show the data. Use MatPlotLib or Excel to plot the data?
You could use the “Create Element Arrray from Feature Array” which will copy the values to EVERY cell, but then when you view the data in ParaView you can “Color by Aspect Ratio”. Lots of possibilities. Just depends on what you are trying to get out of the data.