4.1.8 Quick Peaks Gadget

Summary

The Quick Peaks gadget can be used to pick peaks, subtract baseline, integrate the peaks and/or fit peaks in a ROI (Region of Interest). It is also possible to use this tool in combination with the Peak Analyzer. Please refer to this tutorial for details.

Minimum Origin Version Required: Origin 2015 SR1

What you will learn

This tutorial will show you how to:

  • Find and subtract baseline for spectrum with the Quick Peaks gadget.
  • Find peaks on the graph with the Quick Peaks gadget.
  • Customize preference settings.

Steps

  1. Create a new workbook by clicking the New Workbook button Button New Workbook.png. Click the Import Single ASCII button Button Import Single ASCII.png and import the Zircon.dat file in the <Origin Folder>\Samples\Spectroscopy\ path. Both buttons are located on the Standard toolbar.
  2. Highlight Col(B) and plot a line graph with the Line Button Line.png button on the 2D Graphs Toolbar.
  3. Select Gadgets: Quick Peaks from the main menu and open the Data Exploration: addtool_quickpeaks dialog.
  4. On the Baseline tab, set Mode to 2D Derivative, and then set Range to Full Plot Range. Click OK to apply.
    Quick Peak Gadget 01.png
  5. The peaks within the yellow ROI box will be found and marked. Resize the ROI box so that it covers X range[0,7000] as shown in graph below, the baseline and peak finding need a further refinement.
    Quick Peak Gadget 02.png
  6. Click the triangle button Triangle button.png and select Preference from the fly-out menu, so you can further adjust the Smoothing Method in Baseline tab follows the graph:
    Quick Peak Gadget 03.png
    click Apply to apply, and further adjust the values in Find Peak tab:
    Quick Peak Gadget 03-1.png
  7. Click OK to apply the settings and close the dialog, the baseline and peaks finding are better than before which can be attribute to the optimizing Threshold and Maximum Anchor Points for Baseline and Threshold Height% for Find peak:
    Quick Peak Gadget 04.png
  8. Click the triangle button Triangle button.png and select New Output from the fly-out menu to output the peak finding results to a report worksheet.
    Return to the gadget fly-out menu and select Go to Report Worksheet to view the quantities output:
    Quick Peak Gadget 05.png
  9. Activate the graph window to which the gadget was applied, click the triangle button Triangle button.png and select Subtract Baseline, click OK for pop-up window, the baseline was subtract from the data:
    Click cross button on the top left corner to close the gadget. The finished graph is shown like this:

    Quick Peak Gadget 06.png
    Note: For advanced fitting options, you can combine Quick Peaks gadget with Peak Analyzer.