[Paraview] Measuring a specific contour line generated in Paraview with Line object?

[Cory Quammen]

Jesse,

You could try the Ruler source in ParaView, then place the ends as you've
placed the ends of the red line in your image. This will give you the width.

To interpolate values along the line, you can use the Plot Over Line
filter. Again, place the end points of the lines as you did with the ruler
(you could even copy and past the Point1 and Point2 property values from
one to the other). Optionally, you could dispense with the Ruler source and
compute the length of the line in the Plot Over Line filter manually given
Point1 and Point2.

HTH,
Cory

On Mon, Sep 28, 2015 at 9:36 PM, Jesse Samluk <sevensam at udel.edu> wrote:

> Greetings Paraview community -
>
>
> Referring to the attached image, I have these alternating white/blueish
> lines that are the result of having the imaginary field of the B-field =0,
> and then taking the log of the absolute value of that quantity. There
> called “null lines” since that quantity is,n well, null.
>
>  Here’s my question though. Is there anyway for Paraview to give a value
> for the width of these null lines shown in the image (red line artificially
> inserted for now)? Is it through the line object?
>
>  One more question - where I have the red line is where I’d like to read
> off the values. I have other vtk files where the width will change. Is
> there a way to define this line such that the values change with the width?
>
> Thanks!
>  Jesse
>
>
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-- 
Cory Quammen
R&D Engineer
Kitware, Inc.
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