svx2dxf and CAD fuer Hohlen

[Olly Betts]

In message <Marcel-1.50-0320131846-d07h+Ty@chewy.aleph1.co.uk>, Wookey writes:
>I'm forwarding this to the list as I don't know anything about DXF
>myself.
>
>Thilo Mueller uses Survex and CAD fuer Hoehlen by Tobias Bossert, which
>uses AUTOCAD for cave drawing. It seems that the current 3dtodxf
>converter does not satisfy it's import function, which requires the data
>in a specific manner. It would be nice to support this, so if any of you
>who know about this stuff/would like to fiddle feel like a go, feel free.
>
>I've taken the liberty of attaching the example file as it's only 12K -
>hope that's OK.
>
>Thilo or I can help with examples of the same dataset generating a dxf
>using 3dtodxf, and Thilo can get further info out of Tobias if required
>(Looking at the file I suspect it is?)

I think this is a job for someone with some knowledge of DXF and a copy of
autocad.  A spec for what Tobias expects would be rather more useful than an
example file.

Thilo writes:
>no, that doesn't work yet. CfC expect the dxf in a very special way. So
>the dxf defines all layers (and there are some 40-50 in a sigle cave I
>think)

Oddly, the example dxf doesn't say "LAYER" anywhere in it...

Cheers,
Olly