Plot Error Bar

Version Info

Minimum Origin Version Required: Origin 7.5

Methods

Adds an error bar plot to an existing dataplot from Column object or Datast object. Please refer to GraphLayer::AddErrBar for more information.

Example

void plot_error_bar()
{
        Worksheet wks;
        wks.Create("origin");
        wks.AddCol();
        wks.SetColDesignations("XYE");
        Dataset dsX(wks, 0);
        Dataset dsY(wks, 1);
        Dataset dsErr(wks, 2);
        
        int nSize = 100;
        dsX.Data(1, nSize, 1);
        dsY.Data(1, nSize, 1);
        dsErr.SetSize(nSize);
        dsErr = rnd();

        GraphPage gp;
        gp.Create();
        GraphLayer lay = gp.Layers(0);
        
        // add a dataplot in the layer that uses column B as Y and column A as X                  
        Curve           cc(wks, 0, 1);
        int                nPlotIndex = lay.AddPlot(cc, IDM_PLOT_SCATTER);
        out_int("nPlotIndex = ", nPlotIndex);
                        
        // use the third column in the worksheet for error bar:
        Column  colErrBar(wks, 2);       
        
        int                nErrPlotIndex = lay.AddErrBar(cc, colErrBar);
        out_int("nErrPlotIndex = ", nErrPlotIndex);
                        
}

Related Methods

And also support method to plot X error bar and label. Please refer to GraphLayer::AddXErrBar and GraphLayer::AddLabelPlot for more details.