Several traces in Igor Pro

AppendToGraph adds to the current graph; the trace name is how you address it.

Function StackTraces(WAVE base)
    DoWindow/K Stacked
    Display/N=Stacked base

    Variable i
    for (i = 1; i <= 3; i += 1)
        Duplicate/O base, $("shifted_" + num2istr(i))
        WAVE shifted = $("shifted_" + num2istr(i))
        shifted += i * 0.5
        AppendToGraph shifted
        ModifyGraph rgb($NameOfWave(shifted))=(0, 20000 * i, 40000)
    endfor
End

How it works

1. A repeated wave name gets a #1 suffix, which is the name to use.
2. RemoveFromGraph takes it away again.
3. TraceNameList gives you what is actually on the graph.

Keywords and builtins used here

• AppendToGraph
• Display
• DoWindow
• Duplicate
• End
• Function
• ModifyGraph
• Variable
• WAVE
• endfor
• for
• i
• num2istr

The run, in numbers

Lines

13

Characters to type

314

Tokens

82

Three-star pace

80 tpm

At the three-star pace of 80 tokens a minute, this run takes about 61 seconds.

Type this snippet

Step 2 of 5 in Making a graph, step 2 of 19 in Graphs & presentation.

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