This would be a bit of a hack, but have you tried making two scraps using the same stations, but one holding the lines defining the sump area, and the others defining the rocks? Call them in a map as follows:

map rockysump -proj plan
sump_scrap

break

rock_scrap
endmap rockysump

This might work for you, although it is certainly extra work.

Best regards,

Jonny

On Thu, Sep 13, 2012 at 1:36 PM, Bruce <bruce@tomo.co.nz> wrote:

Graham

It can be a bit tricky, but I can usually get area and point symbols to plot under/over area water without one completely obscuring the other, but sometimes it just does not work. 

Not sure if the transparency/opacity settings on scraps affect it.

If you have a custom sump/water definition, I imagine it is possible to code it so that it would always be opaque to any entities drawn below it.

As you mentioned the order of entities in the th2 file can affect it, as can –place top, -place bottom.

A small rambling here…

http://therion.speleo.sk/wiki/doku.php?id=drawingchecklist#options_common_to_many_points_lines_and_areas

…that suggests other ideas.

Bruce

 

 

Hello Graham,

 

I was able to get a boulder in a sump to draw by specifying "-clip off" in the options of the boulder. 

 

Best regards,

 

Jonny

How do I get to show boulders or debris on the floor of a sump? Whether I put the debris area before or after the sump area, the rocks remain hidden by the water. In the end I hand drew some big boulders, after the water, which now are visible but also appear not to be wet.

Graham

 


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