[Therion] Drawing for generating outputs at multiple differentscales

[Footleg]

Playing with the scale layouts, I notice that label lines still display
text at 1:5000, but label points do not. It also appears that label lines
stretch the text to match the length of the line regardless of the font
scale set in the options for the label line. I was hoping there would be a
way to set text so that if the font size makes the text size shorter than
the line when the text would not stretch out along the full line length,
but if the text scale made it larger than the line length then it would be
limited to the length of the line. This would prevent text growing to be
excessively large and run over the cave passage, but at scales where
smaller text scales are set it is not stretched out so much along the line.
Is something like this possible?

Footleg


On 3 March 2014 18:56, Bruce  wrote:

>   Footleg
>
> This was one of my early challenges shortly after discovering Therion, and
> it crops up from time to time on this forum.
>
> I have decided that with 'draw once, use many times' I am limited to about
> half an order of magnitude difference in scales (ie 1:500 to 1:2000) to get
> label spacing and symbol placement that is more or less OK at a range of
> scales.
>
> Personally, once I get to 1:5000 I pretty much turn off all symbols.
> http://therion.speleo.sk/wiki/doku.php/templates
>
> Judicious use of text scales xs, s, m, l, xl allows one to crudely hide
> minor text at smaller scales.
>
> You can use base-scale to globally reduce all text and symbol sizes.
>
> Thomas Holders examples show how symbols can be made to plot to suit the
> scale. Ie hide smaller symbols.
> http://therion.speleo.sk/wiki/doku.php/metapost?s[]=thomas#scale_dependant_visualization_of_symbols
>
>
>
> People have proposed various 'dual scrap' scenarios, but it seems to
> defeat what simplicity Therion has :)
>
>
>
> You could use 'revise' for each symbol, but I think madness would lie down
> that route.
>
>
>
> Check the wiki.
>
>
>
> Bruce
>
>
>
>
>
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[Therion] Drawing for generating outputs at multiple differentscales

[Footleg]

Thanks Bruce,

Those templates are immensely useful. I looked at them some years ago but
at the time did not know enough to understand how to use them. A fresh look
has got me up and running with a significantly better rendering of 1:5000
scale. I will probably spend far too long playing with them now rather than
actually drawing anything new to be sure I have things working in my scraps
properly before I spend a load of time drawing up a load more.

Footleg


On 3 March 2014 18:56, Bruce  wrote:

>   Footleg
>
> This was one of my early challenges shortly after discovering Therion, and
> it crops up from time to time on this forum.
>
> I have decided that with 'draw once, use many times' I am limited to about
> half an order of magnitude difference in scales (ie 1:500 to 1:2000) to get
> label spacing and symbol placement that is more or less OK at a range of
> scales.
>
> Personally, once I get to 1:5000 I pretty much turn off all symbols.
> http://therion.speleo.sk/wiki/doku.php/templates
>
> Judicious use of text scales xs, s, m, l, xl allows one to crudely hide
> minor text at smaller scales.
>
> You can use base-scale to globally reduce all text and symbol sizes.
>
> Thomas Holders examples show how symbols can be made to plot to suit the
> scale. Ie hide smaller symbols.
> http://therion.speleo.sk/wiki/doku.php/metapost?s[]=thomas#scale_dependant_visualization_of_symbols
>
>
>
> People have proposed various 'dual scrap' scenarios, but it seems to
> defeat what simplicity Therion has :)
>
>
>
> You could use 'revise' for each symbol, but I think madness would lie down
> that route.
>
>
>
> Check the wiki.
>
>
>
> Bruce
>
>
>
>
>  --
>
> *From:* therion-bounces at speleo.sk [mailto:therion-bounces at speleo.sk] *On
> Behalf Of *Footleg
> *Sent:* Tuesday, 4 March 2014 7:01 a.m.
> *To:* List for Therion users
> *Subject:* [Therion] Drawing for generating outputs at multiple
> differentscales
>
>
>
> Now that I have enough knowledge to really start drawing up my large
> project cave systems, I am discovering that it is difficult to draw scraps
> in a way which renders nicely at different scales. I want to be able to
> produce a very detailed survey (using a scale of around 1:500) but also to
> output a complete system drawing at a scale more suited to a large map (say
> 1:5000). I find symbols getting rendered larger than the passage widths
> (which seems odd as unless people have much larger passages than me in
> their caves, I would expect symbols to be limited to a sensible scale for a
> typical large passage, or omitted?). But also text labels are so large that
> they obscure entire areas of the cave at the 1:5000 scale.
>
>
>
> Any tips and tricks for how to draw once, use twice? Or do I really need
> to maintain two copies of every scrap? Is there a way to draw some detail
> on a scrap for 1:5000 type scale, and then augment it with fine details for
> rendering at 1:500 by adding a second scrap for the labels and symbols?
>
>
>
> Footleg
>
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>
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