CHANGE DEPTH
Keywords: greg

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CHANGE DEPTH

        The  GTV segments have a depth attribute in order to create, control, or
        reorder different drawing layers. Depth value must lie in range 1-40.

        By default, all vector-like segments are at depth 1. Images  are  always
        at  the  deepest  available depth (2 at startup) so that e.g. the BOX is
        always drawn on top of a PLOT, independently of their creation order.

        In practice, when the plotting window is refreshed, it draws  first  all
        the  segments  at  deepest level, then all the segments at deepest level
        minus one, and so on up to level 1. For  a  given  depth,  segments  are
        drawn in chronological order (i.e. in the order they were created).