| Re: MAP_CONTINENTS,/HIRES does not match MAP_CONTINENTS,/HIRES,/USA [message #84083 is a reply to message #84081] |
Thu, 25 April 2013 07:40   |
Andy Sayer
Messages: 127
Registered: February 2009
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Senior Member |
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Thanks for the tip, David. I have some mapping routines built around the default IDL routines. It's time I went through and rewrote a more capable routine, though, and should probably use this as a base in it. It's just getting around to taking the plunge...
Andy
On Thursday, April 25, 2013 9:35:14 AM UTC-4, David Fanning wrote:
> AMS writes:
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>
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>> Ed, I've noticed this too, but had assumed I was Doing Something Wrong. So it's reassuring (was going to say 'good', but that's not quite right) that it's not confined to me. In case it helps, I am using IDL 7.1.1 on CentOS.
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>>
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>> As another thing which would be nice to change: the Black Sea isn't drawn unless you use /HIRES, and it is a pretty substantial body of water. The Caspian Sea, Aral Sea, and US Great Lakes aren't drawn unless you use /COAST. It would be nice, IMO, to have these all drawn as part of the default map.
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> Just a reminder that cgMap_GSHHS can be used with map projections set up
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> with either MAP_SET (cgMap_Set) or MAP_PROJ_INIT (cgMap) and with any
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> version of GSHHS from 1.3 though 2.2 (with simple uncommenting of header
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> code). The GSHHS data is often better (MUCH better, in some cases) than
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> the MAP_CONTINENTS data and comes in five different resolutions.
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> http://www.idlcoyote.com/map_tips/gshhs.html
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> If islands are your thing, you are going to love the GSHHS data. :-)
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> Cheers,
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> David
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> P.S. The GSHHS data is used in IDL 8.x function graphics mapping
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> routines (not sure which IDL version or if all versions), but only in
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> the high resolution variety. This makes it a little slow to render and
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> is often complete overkill for what you are trying to do.
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>
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> --
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> David Fanning, Ph.D.
>
> Fanning Software Consulting, Inc.
>
> Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
>
> Sepore ma de ni thue. ("Perhaps thou speakest truth.")
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