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Re: how to generate latitude/longtitude image from projected image? [message #56404]

Tue, 23 October 2007 01:30

d.poreh
Messages: 406
Registered: October 2007

Senior Member

On Oct 23, 9:48 am, highstone <gaolei...@gmail.com> wrote:
> I have a iamge with coordinate and projection, how to extract the
> latitude/longtitude number for each pixel and generate their images?
> I have ENVI+IDL, also ERDAS and ARCGIS, but I don't know how to do.
> thank you.

Just put your Lat-long in 2 dimensional array and extract your
corespondinig pixel value by this experesion:
Envi_convert_file_coordinates,fid,x,y,lat,long(with no ending) and
then you have x a y (fid is your image).
cheers

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