- pl_savestate_r(ch->lp);
- pl_move_r(ch->lp,ch->data_left, ch->data_bottom);
- pl_fillcolorname_r(ch->lp, ch->fill_colour);
- pl_filltype_r(ch->lp,1);
+ height = gsl_histogram_get(hist, bar) *
+ (ch->data_top - ch->data_bottom) / gsl_histogram_max_val(hist);