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Re: Using GIS/Shapefiles with Perl Tk Widgets

by Albannach (Prior)
on May 10, 2007 at 16:33 UTC ( #614685=note: print w/replies, xml ) Need Help??


in reply to Using GIS/Shapefiles with Perl Tk Widgets

I've used Tk::WorldCanvas and Geo::Coordinates::UTM to build GPS-based mapping tools in the past. Though I haven't gotten around to incorporating shapefiles, I don't imagine it would be too difficult.

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Re^2: Using GIS/Shapefiles with Perl Tk Widgets
by deadpickle (Pilgrim) on May 29, 2007 at 16:43 UTC
    Could you give me an example on how to use these two modules, I cant seem to get anything going with them.

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[hippo]: Make it an option?
[Corion]: hippo: Yes, but I'm not sure that it's even worth the effort of implementing it at all...
[Corion]: You'll only ever need that option if you have a long-running query whose results are not cached by your DB already, and in those cases I presume that the programmer will want to maintain the temporary tables themselves - I wouldn't know when to drop ...
[Corion]: ... the temporary tables, and also don't have a good idea on how to create unique table names for them
[hippo]: OIC. In that case leave it out but invite feature requests and see if any of the users suggest it. :-)
[Corion]: Talking about this makes me realize that it's likely only a half useful idea. But it still would be convenient to have as an option...
[Corion]: hippo: Hmmm - yeah, I could document it and wait for code implementing that option to show up ;-D

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