[Therion] Minimum symbol scale

[Bruce Mutton]

Yes, I wouldn't mind some more refinement.
Here are my comments from a while back (some of which may have been resolved since).
[Therion] min-symbol-scale and fonts-setup https://www.mail-archive.com/therion@speleo.sk/msg06651.html
[Therion] scaling line ornamentation - metapost https://www.mail-archive.com/therion@speleo.sk/msg07032.html 
[Therion] next level therion symbol strategy https://www.mail-archive.com/therion@speleo.sk/msg07860.html

Not much help, but hopefully adding something meaningful to the conversation.

Bruce


-----Original Message-----
From: Therion <therion-bounces at speleo.sk> On Behalf Of Tarquin Wilton-Jones via Therion
Sent: Tuesday, 29 June 2021 01:40
To: Therion <therion at speleo.sk>
Subject: [Therion] Minimum symbol scale

Hi folks,

There is a setting:
min-symbol-scale M

That allows you to hide all symbols of S or XS scale. That's useful when you want to show only the most important symbols in a low resolution survey.

But is there a way to control this differently only for certain symbols?
Eg. I want to be able to hide all "point label" symbols of scale M-XS but I don't want all my cave walls or breakdown choke symbols to disappear (which are at the default M scale).

Essentially I want something like this:

min-symbol-scale point label L
min-symbol-scale point anchor:foo M

Some of this I can of course do with MetaPost. But labels (the thing I care most about) don't allow you to easily redefine the MetaPost macro ... or at least the syntax is so weird that I don't understand it.

Thanks for any advice.

Tarquin
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