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 Multiple X axis into One X axis
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hellamicz

Taiwan
3 Posts

Posted - 01/13/2019 :  9:43:40 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
I have Raman spectra which have different x axes
example:
X1
479.38822
481.36294
483.33687
485.31003
487.2824
489.25399
491.22481
493.19484

X2
478.83189
480.80782
482.78297
484.75734
486.73092
488.70372
490.67574


How can I put them into a same x axis without losing any important data points?



and the worksheet liiks like this:


Edited by - hellamicz on 01/13/2019 10:29:44 PM

AmandaLu

439 Posts

Posted - 01/14/2019 :  03:49:26 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

If you plot two spectra in one graph, I suggest Analysis: Data Manipulation: Horizontal Translate to move a curve to the same X range of the other. You can use Scale in tool to zoom in to a region.

Or, you can use Analysis: Mathematics: Interpolate/Extrapolate Y from X to interpolate one of the spectra.

Thanks,
Amanda
OriginLab Technical Service

Edited by - AmandaLu on 01/14/2019 03:54:30 AM
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hellamicz

Taiwan
3 Posts

Posted - 01/14/2019 :  06:13:43 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hello,

Can the adjusted graph by Horizontal Translation's workbook be extracted?

quote:
Originally posted by AmandaLu

Hi,

If you plot two spectra in one graph, I suggest Analysis: Data Manipulation: Horizontal Translate to move a curve to the same X range of the other. You can use Scale in tool to zoom in to a region.

Or, you can use Analysis: Mathematics: Interpolate/Extrapolate Y from X to interpolate one of the spectra.

Thanks,
Amanda
OriginLab Technical Service


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hellamicz

Taiwan
3 Posts

Posted - 01/14/2019 :  06:49:57 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Another question, which one should I choose to interpolate? The one starting in 479? or the one in 478
quote:
Originally posted by AmandaLu

Hi,

If you plot two spectra in one graph, I suggest Analysis: Data Manipulation: Horizontal Translate to move a curve to the same X range of the other. You can use Scale in tool to zoom in to a region.

Or, you can use Analysis: Mathematics: Interpolate/Extrapolate Y from X to interpolate one of the spectra.

Thanks,
Amanda
OriginLab Technical Service


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AmandaLu

439 Posts

Posted - 01/14/2019 :  10:42:31 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

After you move the curve by Horizontal Translation, the source data in worksheet is updated automatically.

quote:
Originally posted by hellamicz

Hello,

Can the adjusted graph by Horizontal Translation's workbook be extracted?

quote:
Originally posted by AmandaLu

Hi,

If you plot two spectra in one graph, I suggest Analysis: Data Manipulation: Horizontal Translate to move a curve to the same X range of the other. You can use Scale in tool to zoom in to a region.

Or, you can use Analysis: Mathematics: Interpolate/Extrapolate Y from X to interpolate one of the spectra.

Thanks,
Amanda
OriginLab Technical Service




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AmandaLu

439 Posts

Posted - 01/14/2019 :  10:48:50 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Either column is fine. If you choose “479” as Input column and “478” as X Values to Interpolate, “479” column is used as reference column and “478” column is interpolated into the same range of “479” column. Vice versa

Please refer to the detailed document on this page:

https://www.originlab.com/doc/Origin-Help/Math-Inter-Extrapoltate-YfromX

quote:
Originally posted by hellamicz

Another question, which one should I choose to interpolate? The one starting in 479? or the one in 478
quote:
Originally posted by AmandaLu

Hi,

If you plot two spectra in one graph, I suggest Analysis: Data Manipulation: Horizontal Translate to move a curve to the same X range of the other. You can use Scale in tool to zoom in to a region.

Or, you can use Analysis: Mathematics: Interpolate/Extrapolate Y from X to interpolate one of the spectra.

Thanks,
Amanda
OriginLab Technical Service




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