[Paraview] plot over line

[Stephen Gillen]

Hello, I had a similar problem in which was looking to plot the pressure on
the surface of a tube in a flow.
The way I did it was to 
Extract Block -> Connectivity -> Scatter plot.
The only problem with this was that it plotted starting at 120 degrees and
also I have the pressure over top and bottom overlaying each other, kind of
like it is plotted against x instead of along surface. It is also possible
to plot along a contour by selecting the points along a contour and
extracting selection and scatter plot. Note, I have so far been looking only
at 2D sets of data but I am sure can be used for 3D by taking a slice.

If I didn't include the Connectivity when extracting block it still plotted
however it jumped around the circle, which I think may be something to do
with my original mesh.

So I haven't quite got it doing what I want and look forward to when plots
along curved lines are available, if anyone else has any advice it would be
welcome.

Just to say it is also possible to open new viewer window with spreadsheet
and select extarcted selection or contour from drop down and then save this
as a .csv file which can easily be read plenty of other programs such as
Matlab for further data analysis.


-----Original Message-----
From: paraview-bounces at paraview.org [mailto:paraview-bounces at paraview.org]
On Behalf Of Stephen Wornom
Sent: 25 November 2008 09:38
To: Berk Geveci
Cc: paraview at paraview.org
Subject: Re: [Paraview] plot over line

Berk Geveci wrote:
> Hi Stephen,
>
> This is a feature we are looking at implementing for the next release.
> Just a question though, how did you generate the line?
>   
extract surface -> connectivity filter -> threshold filter + slice in z
Stephen
> -berk
>
> On Thu, Nov 20, 2008 at 5:29 AM, Stephen Wornom 
> <stephen.wornom at sophia.inria.fr> wrote:
>   
>> How does one "plot over line" if the line is curved in x,y,z?
>> I would like to plot pressure over a curved line in a x-y plane.
>>
>> I tried:
>> 1-using the calculator to compute the arc length but the plot options 
>> remain lines in x or y or z (no arc length is added).
>> 2-I tried exporting, I get the x,y, z coordinates to process outside 
>> of PV but the pressure does not get written.
>> Any ideas?
>> Stephen
>>
>> --
>> stephen.wornom at sophia.inria.fr
>> 2004 route des lucioles - BP93
>> Sophia Antipolis
>> 06902 CEDEX
>>
>> Tel: 04 92 38 50 54
>> Fax: 04 97 15 53 51
>>
>>
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>>
>>     
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--
stephen.wornom at sophia.inria.fr
2004 route des lucioles - BP93
Sophia Antipolis
06902 CEDEX
		
Tel: 04 92 38 50 54
Fax: 04 97 15 53 51


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