I tried opening it in AutoCAD and it openend it but then there was only
a grid with lots of crosses way off to the top right and nothing more.
It did open it though. Illustrator died though trying to do the same.
Fabian
On Thu, 2007-05-31 at 14:09 +0100, Kim Aldis wrote:
> It looks like itâs asciii but with data embedded in what looks like
> binary. The format itself seems to be well documented but itâs not
> simple in the way, say, obj is. I think it may take a bit of work to
> get it parsed.
>
>
>
> Probably looking for something that will read it and that you can use
> to cull the data a bit might be a better way. Sorry.
>
>
>
> From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On
> Behalf Of Chris Marshall
> Sent: 31 May 2007 10:40
> To: XSI(at)Softimage.COM
> Subject: Re: converting mapping DXF file
>
>
>
>
> Thanks Kim,
> Take a look here:-
> http://www.ordnancesurvey.co.uk/oswebsite/products/landformprofileplus/techinfo.html
>
> You can download the sample file from here. The file size doesn't look
> too bad, but when extracted, they get huge.
>
> Cheers
>
> Chris
>
>
> Kim Aldis wrote:
>
> DXF, last time I looked, was an ascii format which should make it easier to
> glean information from. How easy would depend on exactly what format the
> geometry data is held within the file. I'd be happy to take a quick look at
> the file if you've FTP or similar where you can drop it.
>
>
>
> -----Original Message-----
> From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On
> Behalf Of Chris Marshall
> Sent: 31 May 2007 10:02
> To: xsi(at)Softimage.COM
> Subject: converting mapping DXF file
>
> Hi All,
> Just picking brains here. We need to get some mapping data into XSI
> purchased from Ordnance Survey. The files are essentially height data
> in
> DXF format though there are two other formats, NTF and ArcGrid. Now
> we've been trying to convert the DXF sample file using various
> converters, but the file is huge, over 180mb of data and nothing really
> wants to convert it. What we need is to somehow open the file, reduce
> it's size (resolution), and output a poly grid or grid of nulls, to get
> into XSI.
> Has anyone had experience of this? What I'm wondering is, would it be
> possible to get a piece of code that runs through the DXF file and
> reduces its size. ie extracts every 3rd point or something. Basically
> the files only come in one size, which is our main problem, and we
> don't
> necessarily need the resolution they're supplying.
>
> Any help would be very appreciated! Thanks
>
> Chris
>
>
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