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Re: how to make a map project in envi [message #64584 is a reply to message #64527]

Thu, 08 January 2009 07:08

stin.wang
Messages: 15
Registered: April 2006

Junior Member

On 1月8日, 上午1时55分, David Fanning <n...@dfanning.com> wrote:
> stin.w...@gmail.com writes:
>> i have there data( latitude,lontitude,and land surface temperature )
>> how to make it into a envi file(*.img) with map project(albers)
>
> Well, I think the easiest thing to do would be to make a
> GeoTIFF image that you could easily read into ENVI. You will
> have to project your data to create the projected image.
> If you are familiar with the MAP_PROJ_*** routines, I would
> use those. Otherwise, you might get away with MAP_PATCH.
>
> You can probably get a start on how to fill out the
> GeoTiff structure (for this you *will* have to learn
> how to use the MAP_PROJ_*** routines) by having a look
> at this article, which uses an Albers map projection:
>
> http://www.dfanning.com/map_tips/tiffoverlay.html
>
> This process is not for the faint of heart, unless
> someone knows an easier method in ENVI. (I which case,
> I am all ears, too.)
>
> Cheers,
>
> David
>
> --
> David Fanning, Ph.D.
> Coyote's Guide to IDL Programming (www.dfanning.com)
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

my data format is HDF5, in which latitude ,lontitude,and lst were
consisted.
i think there must be some easier way to get my work done,but before i
get some idea about that , i will read your advice first.
thanks for your help.

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[Message index]

		how to make a map project in envi By: stin.wang on Wed, 07 January 2009 00:01
		Re: how to make a map project in envi By: jeffnettles4870 on Thu, 08 January 2009 11:59
		Re: how to make a map project in envi By: David Fanning on Thu, 08 January 2009 11:16
		Re: how to make a map project in envi By: Wasit.Weather on Thu, 08 January 2009 10:03
		Re: how to make a map project in envi By: David Fanning on Thu, 08 January 2009 07:58
		Re: how to make a map project in envi By: Jean H. on Thu, 08 January 2009 07:29
		Re: how to make a map project in envi By: stin.wang on Thu, 08 January 2009 07:08
		Re: how to make a map project in envi By: David Fanning on Wed, 07 January 2009 09:55

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