| Re: ESRI Shapefiles [message #49216] |
Thu, 06 July 2006 11:24  |
David Bowman
Messages: 10
Registered: July 2000
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Junior Member |
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Awesome! Thanks Liam!
liamgumley@gmail.com wrote:
> David,
>
> The following demo program may be helpful:
>
> ftp://ftp.ssec.wisc.edu/pub/incoming/shapefile_plot.pro
>
> Here's how it can be used to plot a continent outline shapefile from
> the IDL distribution:
>
> file = filepath(subdirectory=['resource', 'maps', 'shape'],
> 'continents.shp')
> map_set, 43.0, -89.0, scale=50e6, /lambert, /grid
> shapefile_plot, file
>
> Cheers,
> Liam.
> Practical IDL Programming
> http://www.gumley.com/
>
> David Bowman wrote:
>> Dear all,
>>
>> I have an ESRI shapefile containing the surface trace of an active
>> fault. I need to extract the lat/lon from this file for use in IDL.
>> Sounds easy, right? Not so much... (at least for me)
>>
>> I know IDL includes a whole suite of programs that supposedly read and
>> manipulate GIS files, but I've found the documentation to be shockingly
>> confusing, even by RSI's standards.
>>
>> Can anybody point me to a simple explanation/procedure/resource? Small
>> words would be appreciated.
>>
>> In my career there have been two enormous time-sinks that I've managed
>> to avoid: ARC/Info and object-oriented programming. My greatest fear
>> is that I've finally come across a need for both of them. I would be
>> eternally grateful for any help avoiding that horrible fate.
>>
>> Cheers!
>> David Bowman
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