Creating Graphics

To reduce the display area

￿Use the IWINDOW command.

100 OUTPUT 723;"IWINDOW 1000,800;"

The example above de￿nes reduces the window's height from 1000 units to 800 units. The window's default height and width is 1000 units.

To create a graphics window

￿Use the DWINDOW command to de￿ne the size of the window and its scale.

The following line de￿nes a window at the current pen location. The window is 400 units wide and 300 units high. Its scale is 1000 units per side.

10 OUTPUT 723;"DWINDOW 400,300,0,1000,0,1000;"

To place a trace in a window

￿Use the DWINDOW command. GRIG

The following program line creates a widow with a reduced height. Trace A is assigned to the window.

10 OUTPUT 723;"DWINDOW 1000,400,TRA;"

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