| Re: Fun Stuff: A widget map browser [message #5956] |
Fri, 22 March 1996 00:00 |
Frank J. �ynes
Messages: 17
Registered: February 1995
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Junior Member |
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Joseph M Zawodny wrote:
>
> Hi,
>
> I tinkering with widgets so I could learn how to use a
> "rubber-band box" to zoom in to interesting areas on a plot, I created
> the following which I hope you will find interesting if not educational.
> The IDL functions and proceedures which follow should be saved as a file
> named map_edit.pro. When run (IDL> map_edit) it will create a widget
> which the user can manipulate to zoom around the globe via IDL's mapping
> routines. Have fun and see if you can break it (I'd like to hear about
> that). I already suspect that you will not be able to zoom-in indefinetly.
>
> User Hint: To get a more realistic map for regions centered away from the
> equator, click and release without dragging at the center of the map
> you've zoomed in to.
>
> Oh! If your output device does not support DEVICE,SET_GRAPH=6 you know in
> a hurry.
>
> Have fun (and watch out for the .signature file at the end)
>
[Code deleted]
> --
> Dr. Joseph M. Zawodny KO4LW NASA Langley Research Center
> E-mail: J.M.Zawodny@LaRC.NASA.gov MS-475, Hampton VA, 23681-0001
Way to go!
Well coded, real fun - and even useful!
Thanks for sharing it.
Frank.
--
/* Frank J. �ynes | frank@spacetec.no /*
/* Spacetec a.s | Phone: +47 77684500 Fax: +47 77655859 /*
/* Prestvannv. 38, | /*
/* N-9005 Troms�, Norway | (...with the bravery of being out of range!) /*
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