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Re: [Seg3D] Mask contents deleted when resampling


Chronological Thread 
  • From: Ayla Khan <ayla@sci.utah.edu>
  • To: seg3d@sci.utah.edu
  • Subject: Re: [Seg3D] Mask contents deleted when resampling
  • Date: Tue, 24 Mar 2015 14:10:57 -0600

Hi Paul,

Looking at the mask that's produced using the Resample tool or by drag and
drop, are there a non-zero volume and pixel values in the layer information?

Ayla

On Mar 24, 2015, at 9:44 AM, Paul Holcomb wrote:

> Dear Seg3D team,
>
> I've run into a recurring odd bug when working with my data. I have two
> datasets, a smaller electron microscopy set (188x276x500) that I cropped
> from a larger set (1442x1344x1852). I've segmented an object in the
> smaller set and want to resample it to the larger set to combine it with
> the full segmentation. Regardless of whether I use the drag and drop
> method or the Resample tool, the contents of the mask are completely
> deleted upon resampling. Seg3D creates a mask in the larger sample set
> that is named correctly, but contains nothing. The resample also finishes
> very quickly, I'm assuming because no data is being transferred.
> Strangely, if I use the Transform tool to move my mask at least 0.1 pixels
> in X and Y before I resample it, the resample works. This has been the
> case for every mask I've attempted to resample, which is about 20. I'd be
> interested in any thoughts you have on this.
>
> Thanks,
>
> Paul Holcomb
>
> --
> "Hope is a state of mind, not of the world. Hope, in this deep and powerful
> sense, is not the same as joy that things are going well, or willingness to
> invest in enterprises that are obviously heading for success, but rather an
> ability to work for something because it is good." ~Vaclav Havel




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