graphutil.gle
Subroutines for drawing graphs
sub graph_line x1 y1 x2 y2
sub graph_textbox xp yp label$ dx dy add
sub graph_text xp yp label$ dx dy
sub graph_select wd hi hsc vsc xmn xmx ymn ymx
sub graph_hgrid nb color$
sub graph_vgrid nb color$
sub graph_grid nbh nbv color$
sub graph_zeroaxis style color$
sub bar_draw_error_interval bar xval yval error
sub bar_draw_error_intervals data$ err$ bar
sub boxplot ds0 bwidth msize
sub energylevel ds$ factor color$
sub graph_shaded_background from to pixels