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 create surface in 3D polar system		  New Topic  Reply to Topic
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eyhavand

Iran
20 Posts
Posted - 07/12/2022 :  10:14:35 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin 2018.SR 1, Operating System: Win 64 bit
Hello all
I'm trying to create a directional spectrum in a 3D Polar system (see attached file). Circles are frequency intervals and Z-values are energy values. I want to create the right-hand figure in the attached file.
I appreciate any help you can provide.

YimingChen

1649 Posts
Posted - 07/12/2022 :  11:01:37 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Can you share your data here? Thank you.

James
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eyhavand

Iran
20 Posts
Posted - 07/12/2022 :  11:43:14 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi James;
Attached you can find the MATRIX of my data in .opju format.

First column (in Show X/Y Mode): Angles, between 0 and 356(~360) degrees.
First row (in Show X/Y Mode): Frequencies, between 0.02 and 0.91 Hz as circle scales.
Z (matrix) values are energy values.

Thank You.https://my.originlab.com/ftp/forum_and_kbase/Images/Export-Forum.opju
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YimingChen

1649 Posts
Posted - 07/12/2022 :  12:16:41 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
See the attached project.
1. Convert the matrix to xyz data in a worksheet: Go to menu Matrix->Convert to Worksheet... Set Method to XYZ Columns and click OK.
2. Transfer radius, theta data to X, Y data: Add two columns col(D) and col(E), set its values to A*cos(B), A*sin(B).
3. Add col(F) and copy data from col(C) to col(F).
4. Make 3D surface plot using column D, E, F.

https://my.originlab.com/ftp/forum_and_kbase/Images/3DsurfacePlot.opju

James
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