| Re: Plotting 'continents' in object graphics... [message #41410 is a reply to message #41124] |
Mon, 25 October 2004 03:40  |
AJ
Messages: 5
Registered: April 2003
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Junior Member |
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Noop, no idea. I just used these data as it was suggested by a previous
post.
"Andrew Cool" <andrew.cool@dsto.defence.gov.au> wrote in message
news:c6d70400.0410191422.5d40e23e@posting.google.com...
> "AJ" <a@nothing.com> wrote in message
news:<4162c4d2$0$21263$6c56d894@diablo.nl.easynet.net>...
>> You could use the iTools to visualize this. Open a new iMap and then
just
>> open the file using File/Open. The complete high resolution country
>> boundaries will be drawn, which might take a while. Now you can
>> interactivelly adjust all kinds of properties of the different country
>> visualizations and try different projections and limits.
>>
>> Alternativelly you might adjust parameters through code or even read in
the
>> file automatically through code. The code below gives some techniques...
>> should be run in IDL 6.1 and works with the world Shape file found at
>> http://aprsworld.net/gisdata/world/.
>>
>
> Hi AJ,
>
> I've found that the world.shp file from
> http://aprsworld.net/gisdata/world/
> tends to bust iMap in certain situations, whereas the cntry02.shp file
> that
> comes with the IDL distribution,
> C:\RSI\IDL61\resource\maps\shape\cntry02.shp,
> works OK. Apart from the gisdata file being 2MB larger, do you know
> what the difference between the two files is?
>
>
> Andrew
> DSTO, Adelaide, South Australia
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