Specify Line Types

You can also control Line Style() by number (0–4) or name (Solid, Dotted, Dashed, DashDot, DashDotDot). Figure 12.21 shows the numerical values for each line type.

linestyles = {"Solid", "Dotted", "Dashed", "DashDot", "DashDotDot"};

win = New Window( "Line Styles",

	Graph Box(

		Frame Size( 200, 200 ),

		X Scale( -1, 5 ),

		Y Scale( -1, 5 ),

		For( i = 0, i < 5, i++,

			Line Style( i );

			H Line( i );

			Text( {0, i + .1}, i );

			Text( {1, i + .1}, linestyles[i + 1] );

		)

	)

);

Figure 12.21 Line Styles 

To control the thickness of lines, set a Pen Size and specify the line width in pixels. The default is 1 for single-pixel lines. For printing, think of Pen Size as a multiplier for the default line width, which varies according to your printing device.

win = New Window( "Pen Size",

	Graph Box(

		Pen Size( 2 ); // double-width lines

		Line( [10 30 90], [88 22 44] );

	)

);

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