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Re: IsoSurface [message #39805 is a reply to message #39725]

Thu, 10 June 2004 08:26

siliconcube
Messages: 11
Registered: June 2004

Junior Member

David Fanning <davidf@dfanning.com> wrote in message news:<MPG.1b3136406ab74403989792@news.frii.com>...
> Aleks writes:
>
>> ok here is the problem I have: I'm trying to run a test on different
>> images to figure out how things work. Previously I was helped to find
>> the size of my tiff image. I modified the code accordingly.
>> Unfortunatelly, when I try to run this code on my images the first
>> Window function shows me all my images but when the execution gets to
>> the second Window Function I lose IDL ie it crashes. I have 81 nearly
>> identical image. (if you would like to see the image you can check it
>> out here http://www.geocities.com/siliconcube/tree_01.tif
>> images were modified with MatLab).
>
> Oh, oh. There's your problem. IDL is not going to
> work with anything created in MatLab!!
>
> (No, I'm kidding. It's just a joke.)
>
>> Can anyone help me identify the
>> problem, is my image not suitable for Iso Surface or am I doing
>> somethign wrong =/.
>
> What makes you think you are doing something wrong?
> Did you get an error when you ran this program? Or
> are you just not seeing anything on your display?
>
> Do you have any idea of the range of values in your
> data? (You could print the min and max of your volume.)
> Is 81 a smart choice for the threshold? Where did 81 come
> from? It seems an odd choice. Maybe you could plot a
> histogram of your volume data and find a value that
> makes more sense for the specific data your have.
>
> Cheers,
>
> David

Previously I used MatLab to combine slices of data and construct 3D
models. My advisor chose to switch to IDL because of its "powerfull"
features. 81 came from the number of slices I have. I'm not really
sure what you mean by range of my values?

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[Message index]

		IsoSurface Contour projection By: Waleed Al-Nuaimy on Mon, 16 August 1999 00:00
		Re: IsoSurface Contour projection By: davidf on Mon, 16 August 1999 00:00
		Re: IsoSurface By: Karl Schultz on Wed, 09 June 2004 15:42
		Re: IsoSurface By: siliconcube on Thu, 10 June 2004 08:32
		Re: IsoSurface By: David Fanning on Wed, 09 June 2004 14:59
		Re: IsoSurface By: siliconcube on Thu, 10 June 2004 10:45
		Re: IsoSurface By: siliconcube on Thu, 10 June 2004 08:26

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