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jimbo82g

United Kingdom
2 Posts
Posted - 08/05/2008 :  06:55:03 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hi,

I have a graph with multiple spectra on it and wish to smooth all the curves in the graph. How do I do this without having to go through the curves one by one? I'm not overly keen on programming in C but will if it's the only way.

Thanks,

Jim

Shirley_GZ

China
Posts
Posted - 08/06/2008 :  05:47:57 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Jim,

Origin cannot smooth multiple curves at one time From GUI.

You can copy the following script to command windows and execute it.

int n;
layer -c;
for (n=1;n<=count;n++)
{
smooth iy:=!$(n);
}

Please make sure that the graph window is active when you execute the script.

Shirley Tian


Originlab Technical Service Team
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jimbo82g

United Kingdom
2 Posts
Posted - 08/06/2008 :  08:11:44 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Shirley,

Thanks for the script. The script runs and creates new 'smoothed' plots but the plots are only smoothed fractionally. Is there a way to specify which smoothing method is to be used (i.e. Savitsky-Golay, FFT filter) and the point of window in the script?

Thanks,

Jim
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greg

USA
1378 Posts
Posted - 08/06/2008 :  11:50:05 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
This wiki shows how to choose the method and modify the options:

http://wiki.originlab.com/index.php?title=LabTalk:Signal_Processing#Smoothing_Plotted_Datasets

For any of the new XFunctions, you can get help by typing:
name -h
or
help name
in the Command Window or Script Window.
As in
smooth -h
Edited by - greg on 08/06/2008 11:52:32 AM
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