[Therion] How to draw water area with an island

Bruce Mutton bruce at tomo.co.nz
Thu Nov 14 19:22:59 CET 2024


Bill

Each pdf viewer renders differently. See lower down this page
https://therion.speleo.sk/wiki/contrib:externalviewers#for_pdf_files 

This might be helpful.
https://therion.speleo.sk/wiki/tips#drawing_order_how_to_draw_symbols_over_o
r_under_an_area 

Drawing islands has been discussed from time to time on the forum, but I
think the above pages and the idea you came up with about covers it.  Maybe
an annular water body is an improvement on the two water bodies hack.



Adding an -outline in or out option to a line effectively makes it a wall
(the outside of a passage/scrap), so not what you are looking for.

 

Bruce

 

-----Original Message-----
From: Therion <therion-bounces at speleo.sk> On Behalf Of Bill Gee
Sent: Friday, 15 November 2024 04:24
To: Therion Mail List <therion at speleo.sk>
Subject: [Therion] How to draw water area with an island

 

Is there a way to draw a large area of water, then draw an exclusion or
island in the middle of it?

 

I drew some rocks in the middle of a water area.  They partially block the
water symbol - but not entirely.

 

I drew a border around the island area.  If I use either -outline in or
-outline out, then the entire area becomes opaque to everything.  It is
drawn like it is a column.  If I do not use the -outline option, then it has
no effect at all.

 

I also tried making the island border part of the water area.  No change.

 

One way I can think of to do this is to draw the water as two areas, each of
which goes half-way around the island.  It would work but seems a bit
complicated.

 

Suggestions?

 

--

===============

Bill Gee

 

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