Fwd: RE: [vtkusers] Profile an image?

[Amy Henderson]

I'm forwarding this back to the VTK Users list.

>From: "Beau Sapach" <beau.sapach at ualberta.ca>
>To: "'Amy Henderson'" <amy.henderson at kitware.com>
>Subject: RE: [vtkusers] Profile an image?
>Date: Thu, 3 Feb 2005 11:35:36 -0700
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>Thanks!  One thing I'm not clear on is that the points along the line may
>not fall exactly on points within the dataset, so I'm assuming the filter
>will interpolate values to match the resolution of the line, but is there
>any way of getting the exact point values of all points directly on either
>side of the line?
>
>Beau
>
>-----Original Message-----
>From: vtkusers-bounces at vtk.org [mailto:vtkusers-bounces at vtk.org] On Behalf
>Of Amy Henderson
>Sent: Thursday, February 03, 2005 11:21 AM
>To: vtkusers at vtk.org
>Subject: Re: [vtkusers] Profile an image?
>
>Use vtkLineSource to create a line with the 2 selected end points.  (The
>Resolution variable will determine at how many evenly-spaced points along
>the line you will sample the image.)  Then use vtkProbeFilter with your
>image data as the Input and the output of vtkLineSource as the Source.
>
>- Amy
>
>At 12:56 PM 2/3/2005, Beau Sapach wrote:
> >Hello everyone,
> >
> >I'd like to be able to draw a line over an image and then plot a profile of
> >the scalars that the line intersects with.  Drawing the line etc is easy,
> >basically I need a function that takes the 2 end points of the line and
> >returns the points and scalars that the line intersects, does such a
> >function already exist?
> >
> >----------------------------------------
> >Beau Sapach
> >Network Administrator
> >Biomedical Engineering
> >University of Alberta
> >Phone: (780) 492-8098
> >Fax: (780) 492-8259
> >Email: beau.sapach at ualberta.ca
> >----------------------------------------
> >
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