[Paraview] Carpet plots in paraview

[Wylie, Brian]

All,

Anyone know how to do carpet plots in ParaView?  (By this I mean a 2
dimensional grid, and then displacing in the z direction based on a scalar
variable).

	Brian Wylie
	Sandia National Laboratories
	MS 0822 - Org 9227 - Building 880/A1-J
     (505) 844-2238   FAX (505) 845-0833


-----Original Message-----
From: Hari Sundar [mailto:hsundar at caip.rutgers.edu] 
Sent: Thursday, February 19, 2004 6:20 PM
To: Luis Ibanez
Cc: ParaView at paraview.org
Subject: Re: [Paraview] Re: Visualizing Vector Fields ...


Hi Luis,

thanks, it works. I was wondering if it was possible to visualize the
deformation field as a deformed grid., i.e., zero deformation means a normal
structured grid, and to this I apply my deformation field.

Is this possible in Paraview ?

thanks,
-Hari

On Thu, 19 Feb 2004, Luis Ibanez wrote:

>
> Hi Hari,
>
>
> You probably are using now ParaView 1.2.1
> (which is an updated release).
>
>        http://www.paraview.org
>
>
> A couple of things have changed in ParaView since
> the message below was posted in december 2003.
>
>
> For example:
>
>
> 1) Now you can read MetaImage fileformat directly
>     (they can contain scalar or vector images)
>
> 2) ExtractVOI is now called ExtractGrid
>     (as you already noticed)
>
>
> The simple way of visualizing deformation fields now is to load your 
> MetaImage file containing the vector image and directly select the 
> filter "Glyph", and in the options of the glyph filter set:
>
>    a) Orient Mode = Vector
>    b) Scale Mode  = Vector Magnitude
>    c) Scale Factor = play with this value to scale your vectors
>
>
> The reason for using ExtractGrid is to subsample the original vector 
> image. This is only needed if your deformation field has a large 
> number of pixels (~ high resolution). Otherwise you can simply use the 
> Glyph filter connected directly at the output of the reader.
>
>
>
> Please let us know if you find any problems.
>
>
>
> Thanks
>
>
>     Luis
>
>
>
> -------------------------
>
>
> Hari Sundar wrote:
>
>  > Hi,
>  >
>  > I have been using ITK to output some deformation fields and tried 
> to use  > paraview to visualize the deformation vectors. I based this 
> on this post  > by Luis Ibanez  >
>  > http://www.itk.org/pipermail/insight-users/2003-December/005865.html
>  >
>  > However, I have been unable to get this to work properly. Firstly, I do
>  > not get an option to set the scale mode to scalar. I tried all the
other
>  > options and still don't see anything. If I set the scale to "Dat
Scaling
>  > Off", I can see the allows, but they are all aligned in the same
> direction
>  > (+ve X axis). My deformation fields are all right, because I wrote it
out
>  > like and image (x,y,z = r,g,b) and it does display something ...
>  >
>  > What do I need for the glyph to display properly.
>  >
>  > thanks,
>  > -Hari
>  >
>  > PS: I used ExtractGrid in place of ExtractVOI.
>  >
>
>
>
>
>
> _______________________________________________
> ParaView mailing list
> ParaView at paraview.org 
> http://www.paraview.org/mailman/listinfo/paraview
>

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