| T O P I C R E V I E W |
| Bill Choi |
Posted - 10/20/2006 : 01:41:45 AM
Hi all,
Can I increase the number of points of fitted curves in multiple peak fitting? Becuase I hope the fitted curves can be represented in scatter plot while the real curve in solid line. Thanks!
Bill. |
| 1 L A T E S T R E P L I E S (Newest First) |
| zachary_origin |
Posted - 10/20/2006 : 06:22:53 AM
Hi Bill,
It seems that you are using the tools under Analysis: Fit Multi_Peaks and you got the fitted data with 60 points. Is that right? Then you have the following choices:
> Still using this tool, but you need do some changes to fit.ogs in origin system folder. You can hold on SHIFT+CTRL and then select Analysis: Fit Multi_Peaks: Gaussian, then fit.ogs will be opened in the code builder. In [FitNPeaks] section, add line nlsf.xPoints = 100; above the line of run.section(,WeightAsError); where 100 is the number of points you needed, and then CTRL+S to save the changes. Now run that tool again, you will get the fitted curves with the number you setted. Remember to change it back by commenting it out after the session.
> You can use Advanced Fitting Tool to fit the peaks. Select Analysis: Non-linear Curve Fit: Advaned Fitting Tool in the menu to open NonLinear Curve Fitting dialog. Then using this tool to fit with multiple peaks, see here for how to do the fitting. After fitting converged, before click Done, go to Scripts: After Fit and select the Same X as Fitting Data checkbox in the Fit Curve section. Then going back to Action: Fit and click Done, you will get it.
> You can use Peak Fitting Module if you are a pro user. The fitted curve has the same number of points as the original curve.
Zachary
OriginLab Technical Services. |
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