Keywords: pako

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## Preview Plots

Commands for some observing modes, e.g., otfmap, automatically generate ``preview'' plots, see Figure 3.

The range of mapping offsets for these plots can be set with the usual GREG command limits, e.g., enter at the prompt `PAKO >` :

    DEVICE IMAGE W
    LIMITS 500 -500 -500 500
    SET BOX MATCH
    BOX

Similarly, you can use other commands from GREG to change the color of the plotting ``pens'' or background of the window.

Figure 3: Screen shot of the PAKO preview plot.