It would be better, I think, to have an attribute for the scale (Factor) with values of say 1-10 which could be passed to and evaluated by the definition. But first, I was checking to see if I was missing something in the way Stefan's def works. On 2 Jan 2009, at 19:00, therion-request@speleo.sk wrote:

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Today's Topics:

1. Re: Using metapost code examples (Bruce Mutton) 2. improved script for converting SVG to th2 (Thomas Holder)

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Message: 1 Date: Fri, 02 Jan 2009 11:58:05 +1300 From: Bruce Mutton <bruce.mutton@paradise.net.nz> Subject: Re: [Therion] Using metapost code examples To: 'List for Therion users' <therion@speleo.sk> Message-ID: <2A837C7D04834F3FA9928B5D91A18CF0@JUICEBRAIN> Content-Type: text/plain; charset="us-ascii"

"I'm afraid that's what I thought. We have the situation here in Mulu where the main passages are 50m wide with house sized boulders with side passages a mere 5m wide and small car size boulders so ideally we need a mixture of block sizes to play with. And of course chambers the size of football fields."

I have not tried this but surely the solution is just a matter of creating a number of similar metapost code definitions, that differ only by the scale factor as mentioned by Stefan, and named say blocks_xl, blocks_l, blocks_s, blocks_xs. Then add these additional definitions to the legend and configuration file as in the bats example in the last few pages of the Therion book. We would then have 5 different block scales that could be used at will in any drawing.

I'm probably being naive again, but it looks in concept very simple, as we have a code example as a template. Any reason why not?

Regards

Bruce