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Export single domain scalar field to a text file

Posted 17.01.2017, 19:27 GMT-5 Results & Visualization Version 5.2 2 Replies

Imdone
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Hi, I have a 2D model composed by some domains. A scalar (modulus of electric field) is defined on these domains. I want to export to a text file (csv for example) those scalars along with the position x,y of where they are evaluated, preferably the center or corners of the mesh elements. I should end up with 3 columns at least: x, y, ec.normE. But I want to do this ONLY on one domain. The Export->Data node doesn't allow me to select the domain. Maybe I could extract the domain data from the result dataset? but how?

Any idea?
2 Replies Last Post 18.01.2017, 16:25 GMT-5
Gunnar Andersson COMSOL Employee

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Posted: 8 years ago 18.01.2017, 02:29 GMT-5

But I want to do this ONLY on one domain. The Export->Data node doesn't allow me to select the domain. Maybe I could extract the domain data from the result dataset?


Try this:

- Go to the data set that you want to export and create a duplicate of it.

- Add a selection to the duplicate data set.

- Use the duplicate data set in the data export node.

[QUOTE] But I want to do this ONLY on one domain. The Export->Data node doesn't allow me to select the domain. Maybe I could extract the domain data from the result dataset? [/QUOTE] Try this: - Go to the data set that you want to export and create a duplicate of it. - Add a selection to the duplicate data set. - Use the duplicate data set in the data export node.
Imdone
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Posted: 8 years ago 18.01.2017, 16:25 GMT-5
Yes, this made it! Simple and neat. Thank you!
Yes, this made it! Simple and neat. Thank you!

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