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Re: save multiple bands in one file in IDL ENVI [message #93116 is a reply to message #93106]

Thu, 28 April 2016 21:33

zacharyanorman
Messages: 17
Registered: July 2015

Junior Member

Glad you found it! It can be tricky learning a new programming language, but there are plenty of examples in the documentation center for the ENVI API. The most helpful thing to find out how to use different ENVI objects in idl is to use the "help" procedure in IDL on them and search for the object name. For example:

IDL> e = envi(/headless)
ENVI> ;specify parameters at the top of procedures
ENVI> file = Filepath('qb_boulder_msi', ROOT_DIR=e.Root_Dir, $
ENVI> SUBDIRECTORY=['data'])
ENVI>
ENVI> raster = e.openraster(file)
ENVI> help, raster
RASTER ENVIRASTER <41479>

If you then search online for "ENVIRASTER" you should get all of the methods and lots of examples for how to use them on harrisgeospatial.com.

Also, here is a help article that I wrote (I actually work at Harris - used to be Exelis VIS) with an example using a tile iterator in the new API for doing band math.

http://www.harrisgeospatial.com/Support/HelpArticlesDetail/T abId/219/ArtMID/900/ArticleID/14531/An-example-of-performing -band-math-with-the-new-ENVI-API.aspx

Let me know if you have any other questions!

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[Message index]

		save multiple bands in one file in IDL ENVI By: Karalis Sotiris on Tue, 26 April 2016 10:03
		Re: save multiple bands in one file in IDL ENVI By: zacharyanorman on Wed, 27 April 2016 20:27
		Re: save multiple bands in one file in IDL ENVI By: Karalis Sotiris on Thu, 28 April 2016 03:07
		Re: save multiple bands in one file in IDL ENVI By: Karalis Sotiris on Thu, 28 April 2016 06:45
		Re: save multiple bands in one file in IDL ENVI By: zacharyanorman on Thu, 28 April 2016 21:33
		Re: save multiple bands in one file in IDL ENVI By: Karalis Sotiris on Fri, 29 April 2016 12:12
		Re: save multiple bands in one file in IDL ENVI By: zacharyanorman on Mon, 02 May 2016 13:56
		Re: save multiple bands in one file in IDL ENVI By: carlphilip.ortiz on Mon, 27 February 2017 23:46

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