void plot_range()
{
	// Point to active worksheet
	Worksheet wks = Project.ActiveLayer();
	if( !wks ) return;
	
	// Create curve object that attaches to Col(L) as Y, and Col(E) as X
	string strWksName = wks.GetPage().GetName();
	Curve crv(strWksName + "_L", strWksName + "_E");
	// Or use constructor with index number
	// Curve crv(wks, 11, 4);
	// Note that there are many curve constructors, some of which that
	// directly attach to the data, and some that attach to a copy
	// In your case you want to attach to the data directly
	if( !crv ) return;
	
	// Create a graph page and add curve to layer
	GraphPage gpg;
	// Use default Orign.otp or one of your custom templates
	gpg.Create("Origin");
	// Point to active layer and add curve
	GraphLayer gly = gpg.Layers(-1);
	if(! gly ) return;
	gly.AddPlot(crv);
	
	// Get the active data plot object in layer and set range
	DataPlot dp = gly.DataPlots(-1);
	if( !dp ) return;
	dp.SetRange(100, 200);
	
	// Rescale layer
	gly.Rescale();
}

quote:

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I want to show several of these sections of data on one graph. Do I copy the layer, then point to the DataPlot and change the range? Or is there a way to use one set of data to show all the plots?
Jay

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