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66de250

China
34 Posts
Posted - 07/18/2025 :  02:08:54 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver 2021. and Service Release (Select Help-->About Origin):
Operating System: win11
I have 11 columns of data. The first column is x. Plot all the data onto one layer. How should I set the legend to display only the long names of the second and last columns through the LabTalk language or the X-Function command line only? That is, the legend only has the second column and the last column

ChaoC

USA
201 Posts
Posted - 07/18/2025 :  09:25:35 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hello,

You can use the label command to replace the legend syntax.
E.g. label -n Legend \l(1) %(1,@LL)%(CRLF)\l(10) %(10,@LL);

See:

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66de250

China
34 Posts
Posted - 07/19/2025 :  08:20:05 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
quote:
Originally posted by ChaoC

Hello,

You can use the label command to replace the legend syntax.
E.g. label -n Legend \l(1) %(1,@LL)%(CRLF)\l(10) %(10,@LL);

See:


Thank you very much for your help! How can the second legend be determined based on the number of columns in the worksheet? That is to say, the number of my data columns is no longer a definite number, but I still need to use scripts to create a legend with only the first and last columns
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ChaoC

USA
201 Posts
Posted - 07/21/2025 :  10:41:44 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hello,

You can use layer- c to count the number of plots in the layer:
https://www.originlab.com/doc/en/LabTalk/ref/Layer_Options_for_Plot#-c

E.g.

layer -c;
label -n Legend \l(1) %(1,@LL)%(CRLF)\l(%(count)) %(count,@LL);

Best,
Chao
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