The equation x=1 is actually a plane in 3-space, not a line. So what you really
want to do is intersect your contour with the plane at x=1. You can easily do
this with the slice filter.
Next, select the resulting point with the select points on or select cells
on tool (in the toolbar buttons right above the 3D view). Then add the plot
selection over time filter. You should see the data you want in a chart. Now,
just save data and output as a csv file.
-Ken
From: Chris Kees cek...@gmail.commailto:cek...@gmail.com
Date: Friday, October 4, 2013 1:33 PM
To: paraview@paraview.orgmailto:paraview@paraview.org
paraview@paraview.orgmailto:paraview@paraview.org
Subject: [EXTERNAL] [Paraview] how to extract elevation at a point for a
dynamic, implicit surface
I can't seem to work out the proper sequence of filters for the following.
I have a 2D triangular mesh with a time-dependent scalar field, say phi. I want
to generate a single isoline, say phi=0, which I can do with the contour
filter, but then I want to generate a single point by intersecting the isoline
with a vertical line, say x=1. Then I want to save the time series of that
point, which would look something like t_0, 1, y(t_0), t_1, 1, y(t_1),...,t_n
since the x-coordinate doesn't change.
Thanks,
Chris
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