[mapserver-users] Split large tiffs (topos) like TopoZone
Stephen Woodbridge
woodbri at mediaone.net
Thu Oct 18 15:16:25 PDT 2001
Copied from the list archives:
> map file. If, for some reason, you want a .tfw file anyways and aren't sure
> how to create it by hand, the listgeo utility distributed with libgeotiff
> (http://www.remotesensing.org/geotiff/geotiff.html) includes the ability to
> create a .tfw file from a GeoTIFF file.
This might help you.
-Stephen Woodbridge
http://web-maps.org
"Arthur, John" wrote:
>
> Yes, but what about the world file(.twf)?
>
> - John
>
> -----Original Message-----
> From: Stephen Woodbridge [mailto:woodbri at mediaone.net]
> Sent: Thursday, October 18, 2001 4:21 PM
> To: Arthur, John
> Cc: Mapserver-Users at Lists. Gis. Umn. Edu (E-mail)
> Subject: Re: [mapserver-users] Split large tiffs (topos) like TopoZone
>
> I believe you could do that with ImageMagick and Perl to automate it.
> You should be able to chop up each of your large maps into n x m tiles.
>
> -Stephen Woodbridge
> http://web-maps.org
>
> "Arthur, John" wrote:
> >
> > I would like to use topo quads in my MapServer, but it would take forever
> to
> > export each quad from Delorme's 3D topoquads. So I exported large 150 mb
> > files instead. Is there a way to split these up into smaller files or
> just
> > to display the large tiff in MapServer faster. We would like something
> like
> > what TopoZone.com has (Mad props to you guys @ TopoZone.com), but layer
> our
> > own data on top.
> >
> > John Arthur
> > RF Technician
> > Office: (757) 490-7221
> > Cellular: (757) 692-1515
> > Email: john.arthur at voicestream.com
> > _~-^-~_
> > VoiceStream
> > W I R E L E S S
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