Web Charts and Graphs for UNIX

3D Bar example code below
Linux Solaris SunOS HPUX SGI SCO AIX )SF
Area Line Bar Hi-Low-Close Scatter Pie 3D Combo
Many Chart options
Easy to use,   HIGH PERFORMANCE C library / perl mod to plot data
chart / graph - GIF output

Take a look

Sample code segment: 
 .
 .
float  a[6] = { 0.5, 0.09, 0.3, 0.75, 0.0, 0.90 };
float  b[6] = { 1.9, 1.3,  1.2, 0.75, 0.1, 2.0 };
char  *t[6] = { "Chicago", "New York", "L.A.", "Atlanta", "Paris, MD\n(USA) ", "London" };
 
out_graph( 250, 200,
           stdout,
           GDC_3DBAR,
           6,
           t,
           2,
           a,
           b );
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