+}
+
+void draw_track(SeqSpanRef s, float left, float right)
+{
+ SeqSpanRef parent(s->parent());
+ DrawableRef parent_draw(parent->drawable());
+ float x( (parent_draw) ? parent_draw->x() : 0);
+ float y( (parent_draw) ? parent_draw->y() : 0);
+ float z( (parent_draw) ? parent_draw->z() : 10 );
+ float height( (parent_draw) ? parent_draw->height() : default_height );
+
+ glColor3f(0.0, 0.0, 0.0);
+ GlSequence::draw_box(left, right, x+s->start(), x+s->stop(),
+ height, y, z+10);