Thank yu for the fast answers,

is this "colour_block_bg" variable the bit im looking for?
> if known colour_block_bg: thfill p withcolor colour_block_bg; else: thfill p withcolor (0.75,0.75,0.75); fi;




Am 2016-09-27 21:40, schrieb Bruce Mutton:
Beni
Long ago I thought about such things. There were some challenges I did not crack. I forget now. Have a look at Colour Dependant Visualization of Symbols in https://therion.speleo.sk/wiki/doku.php/metapost

Bruce

-----Original Message-----
From: Therion [mailto:[email protected]] On Behalf Of Benedikt Hallinger
Sent: Wednesday, 28 September 2016 7:39 AM
To: [email protected]
Subject: [Therion] Making custom metapost symbols recognize "symbol-color" thconfig command

Hi there,
i wonder how i can make my own custom map symbols recognize the "symbol-color" command.

Maybe i also get some spare time and can adjust some of the default symbols to honor it too?

Greetings, Beni
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