POV-Ray : Newsgroups : povray.binaries.images : Inner values : Re: Inner values Server Time
29 Jul 2024 20:28:17 EDT (-0400)
  Re: Inner values  
From: Paolo Gibellini
Date: 5 Nov 2013 08:07:39
Message: <5278ed9b$1@news.povray.org>
>Christian Froeschlin  on date 04/11/2013 23.31 wrote:
> I had some CT scans taken this year due to medical issues
> and found the data could be provided on DVD on request ;)
>
> Images were in DICOM format and ImageMagick didn't like them,
> but they contained uncompressed 16 bit pixel data so conversion
> was mostly an issue of discarding the header and guessing width.
>
> This is a stack of 91 horizontal slices that were turned into
> a 3d pigment simply as a gradient of image_maps. This allows to
> render an arbitrary slice or texture an arbitrary shape, which
> is endless fun but doesn't provide too impressive images.
>
> So I turned the pigment into a function and rendered it as
> volumetric media, using a density color_map to enhance certain
> brightness ranges. This last one looks quite promising.
>
>
>
>
>
>
Very nice render.
I suggest you to manage DICOM images with ImageJ instead of ImageMagick, 
your next export will be simpler.
;-)
Paolo


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