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Acorn User Article: Arabic Mosaics

Posted: Tue Apr 02, 2019 9:01 pm
by charlie_says
Hi,

I've had a search, but not had much luck due to age & vague memory.

I recall there was a sequence of articles, I think in Acorn User, but possibly Micro User which would generate Arabic style mosaics.

Would anyone have an idea of where I could begin to locate these (without trawling though *every* issue)?

Thanks,

Charlie

Re: Acorn User Article: Arabic Mosaics

Posted: Wed Apr 03, 2019 1:22 am
by scruss
Haven't looked for the article, but I wonder if it was by Brian Wichmann? Brian - a leading light in UK early software development - used to use Acorn computers and seems to have written for Acorn magazines too. He wrote much of his book The World of Patterns on an Arch, and now runs tilingsearch.

It's a cool subject. It might be listed as "Islamic Tiling", or may even refer to "Bourgoin" after one of the classic reference books on the subject.

Re: Acorn User Article: Arabic Mosaics

Posted: Wed Apr 03, 2019 7:02 am
by leenew

Re: Acorn User Article: Arabic Mosaics

Posted: Wed Apr 03, 2019 8:37 am
by flaxcottage
There is also some reference to this in the documentation for Tessellations by Cambridge Micro Software on the educational website below.

Re: Acorn User Article: Arabic Mosaics

Posted: Wed Apr 03, 2019 12:35 pm
by charlie_says
Thanks for the replies!

The Micro User article looks very close - but isn't exactly what I remember (although, this is almost certainly is a memory issue!)

I found this article in Acorn User:
https://archive.org/details/AcornUser040-Nov85/page/n83
but as that's for bought software, and I definitely recall it was a type in listing... (edit - apologies @flaxcottage, this is what you mentioned)

I actually had a pretty good trawl through Acorn User now, and as the article isn't there, I'm thinking it must have been in the Micro User.

@scruss that reference book is excellent!

Re: Acorn User Article: Arabic Mosaics

Posted: Wed Apr 03, 2019 1:02 pm
by RobC
I remember that article! I bought the November 1985 AU from John Menzies in Swansea on a shopping trip with my parents. I got told off for reading it while we were having lunch in a restaurant! I've still got the magazine :)

There are some listings with the article - they're also on the cover disk at 8bs: http://www.8bs.com/pool/tau/tau85-11.zip

Re: Acorn User Article: Arabic Mosaics

Posted: Wed Apr 03, 2019 2:50 pm
by charlie_says
Ah! I hadn't looked carefully enough. I guess that must have been the article.

I'll have to print it out and give it a read. Thanks @RobC for not letting me overlook it.

Re: Acorn User Article: Arabic Mosaics

Posted: Wed Apr 03, 2019 3:25 pm
by scruss
Somewhere I've got ancient Fortran code that creates an interactive version of that BASIC tiling code: take a polygon, deform a side and it makes the necessary changes to the opposite side so they'll tessellate. I think it needs a Tek graphics terminal, so we'd also need to go back in time 30+ years to use it ...

Yeah, Bourgoin is neat. Tiling and patterns can be a real rabbit-hole. If it floats yer boat, Eric Broug has written the rather excellent Islamic Geometric Patterns, a primer on how to construct these patterns. If you want to see some immensely detailed work, look for "rule and compass constructions" - it's a whole art-form.