[vtkusers] thresholding question
Bill Lorensen
wlorens1 at nycap.rr.com
Mon Dec 11 19:59:32 EST 2000
Hopefully you have cvs...
cvs -d:pserver:anonymous at visualizationtoolkit.org:/vtk/cvsroot login anonymous
CVS password: vtk
cvs -d:pserver:anonymous at visualizationtoolkit.org:/vtk/cvsroot checkout vtkdata/pineRoot
At 11:36 AM 12/11/00 -0500, anast.jm at pg.com wrote:
>Bill, where can I find the pine_root data set. I've downloaded about every piece
>of vtk data I can find but no pine_root.....thanks, john
>
>
>
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>From: Bill Lorensen <wlorens1 at nycap.rr.com>@public.kitware.com on 12/06/2000
>10:33 PM
>
> Bill Lorensen <wlorens1 at nycap.rr.com> To: Tao-Pak Chris Tsui
> @public.kitware.com <tsuitp at yahoo.com>,
> vtkusers at public.kitware.com
> Cc: (bcc: John Anast-JM/PGI)
> Sent by: Subject: Re: [vtkusers] thresholding question
> vtkusers-admin at public.kitware.com
> 12/06/2000 10:33 PM
>
>
>
>
>
>
>vtkSliceCubes processes 4 slices at a time.
>
>See the example:
>patented/examplesTcl/genPineRoot.tcl
>
>Bill
>
>At 08:23 PM 12/5/00 -0800, Tao-Pak Chris Tsui wrote:
> >Greetings!
> >
> >I am looking at "threshold.tcl" as an example for my
> >application.. it works fine if the dataset I have is
> >not large.. what I have is about 100mb of CT data..
> >it's just too slow to read the entire 100mb of data
> >into memory (indeed seems impossible for my 128mb RAM)
> >each time when I alter the threshold value...
> >
> >is there any way to solve this problem? is there
> >something like vtkMCubesReader to read 4 slices at a
> >time? (vtkMCubesReader is giving polydata but
> >vtkThreshold is expecting some scalar values as
> >input.. )
> >
> >
> >the data I really want to extract is some tiny steel
> >balls which has been implemented into a skull.. these
> >balls appear to be much brighter from the CT slices.
> >
> >is there any way to extract these tiny balls? Thanks
> >so much!!
> >
> >Chris
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