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 Exchanging X-Data in Graph		  New Topic  Reply to Topic
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siggi4

Germany
2 Posts
Posted - 01/21/2021 :  12:54:01 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Dear Origin-Forum,

i hope you can help me with the following problem:

The Situation:
I have a large set of data, that I organized into worksheets. Every worksheet has several x-columns and y-columns (lets simplify: X1 X2 Y Y Y). Each set of y-columns (Y Y Y) is scientifically linked to each x-column (e.g. X1). To get an overview i plottet every worksheet so that i have a graph that shows (X1 YYY) in one layer.

My Wish:
I would like to be able to exchange the x-Data in the graphs (which leads to a more accurate picture)(eg. exchange X1 so that the graph shows X2 YYY). This can be done via the UI (Graph --> Diagram Setup --> choose other x and propagate the changes into the same graph).
Since I got 500 graphs that I want to apply the change to I need some quicker way to do this than the UI. Thats why I came to OriginC as a possible solution. Only that I don't seem to find the correct documentation to solve my problem.

What I get from the documentation I found (https://www.originlab.com/doc/OriginC/guide/Graphs and the links there) is that I probably need to work with dr.add()-Funktion. For the beginning a simple proof of concept would be nice. My logical steps would be:
1. Choose a graph window that needs changing
2. Use a Function to load the active graph window
3. Pick the range of Data in this graph
4. Identify the chosen X-Column (via User-Defined Parameter)
5. Pick a new X-Column (Depending on user input)
6. Exchange the Data-Points (either by exchanging the X-Link or by drawing a new XY-Pair and deleting the old one

I hope you can help me with this seemingly easy and still impossible task.

Best regards
Simon


Origin Ver. and Service Release (Select Help-->About Origin): Origin 2020 (64-bit) SR1
Operating System: Win10 64-bit up to date
Edited by - siggi4 on 01/21/2021 12:55:02 PM

一击爆裂陈子豪

Taiwan
41 Posts
Posted - 01/25/2021 :  09:26:26 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Normally I'll just delete the previous plot from he layer and add a new one.
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couturier

France
291 Posts
Posted - 02/01/2021 :  03:21:38 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
see DataPlot::ChangeData
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siggi4

Germany
2 Posts
Posted - 02/24/2021 :  05:18:18 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Thanks for the answers :)
I got it working with a messy custom code in the meantime. I'll keep "changedata" in mind. That was what I was looking for but could not find. Now I got my own :D

Best regards
Simon
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