- const double right_label = ch.data_right -
- (ch.data_right - ch.data_left)/10.0;
-
- const double centre_x = (ch.data_right + ch.data_left ) / 2.0 ;
- const double centre_y = (ch.data_top + ch.data_bottom ) / 2.0 ;
+ const double centre_x = (ch->data_right + ch->data_left ) / 2.0 ;
+ const double centre_y = (ch->data_top + ch->data_bottom ) / 2.0 ;