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 Whai is does " set %k -x Data1_A$(i) " mean ?		  New Topic  Reply to Topic
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scs_emi

4 Posts
Posted - 07/15/2015 :  07:39:50 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hi there

I have to maintain an old program that uses a LabTalk script to draw some charts. This script does not run correctly. Since I am a total beginner with Origin Labtalk I have the following question: My code opens 2 data-sources and is supposed to draw the data into 1 graph. When I execute my code it opens an empty graph without data.
___________________________________________________________________

%A=C:\A_Grid#2a.dat;
%B=C:\A_Grid#2b.dat;
xn= 41;
...
window -a Data1;
for (i=1;i<=xn;i+=1) {
worksheet -t $(i*2-1) 4;
worksheet -n $(i*2) B$(i);
worksheet -n $(i*2-1) A$(i);
}
window -i;
window -a Data2;
for (i=1;i<=yn;i+=1) {
worksheet -t $(i*2-1) 4;
worksheet -n $(i*2) B$(i);
worksheet -n $(i*2-1) A$(i);
}
window -i;
window -a Plot;
for (i=1;i<=xn;i+=1) {
%k=Data1_B$(i);
set %k -x Data1_A$(i); // without these lines it works but Why?
layer -i %k;
}

for (i=1;i<=yn;i+=1) {
%k=Data2_B$(i);
set %k -x Data2_A$(i); // without these lines it works but Why?
layer -i %k;
}

___________________________________________________________________

When I leave out the following lines, it works.

set %k -x Data1_A$(i);

set %k -x Data2_A$(i);

Does anybody know

- what this line is supposed to do?
- What the set-command is?
- What -x means ?

Thanks for your help.

itelly
Edited by - scs_emi on 07/15/2015 07:42:26 AM

cdrozdowski111

USA
247 Posts
Posted - 07/15/2015 :  12:27:37 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
itelly,

Here is the documentation on the command:

http://www.originlab.com/doc/Labtalk/Ref/Set-cmd#-x_value.3B_Associate_an_X_dataset_with_a_Y_dataset

Those lines of code are attempting to change the associated X column for each of the Y columns plotted in the graph. But if it works correctly without those 2 lines, then just comment them out.
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