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Re: Display and Navigate Image in IDL 8.2 [message #81440 is a reply to message #81357]

Wed, 12 September 2012 14:13

chris_torrence@NOSPAM is currently offline

chris_torrence@NOSPAM
Messages: 528
Registered: March 2007

Senior Member

Hi David,

Does this help?

googleImage = Read_Image('googleimg.png')

XRange = [-11711131d, -11688226d] ; (meters)
YRange = [4914254d, 4937159.5d] ; (meters)

im = IMAGE(googleImage, /BOX_AXES, GRID_UNITS='meters', $
IMAGE_LOCATION=[xrange[0],yrange[0]], $
IMAGE_DIMENSIONS=[xrange[1]-xrange[0],yrange[1]-yrange[0]], $
MAP_PROJECTION='Mercator', ELLIPSOID='WGS84')
m = im.mapprojection
lonlat = m.MapInverse(im.xrange, im.yrange)
m.limit = [lonlat[[1,0,3,2]]]

At least with IDL 8.2.1, I'm getting an image in "meters", with a box grid. When I click on the image, and then move the mouse, it reports lat/lon position.

-Chris
ExelisVIS

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[Message index]

		Display and Navigate Image in IDL 8.2 By: David Fanning on Tue, 04 September 2012 13:53
		Re: Display and Navigate Image in IDL 8.2 By: David Fanning on Tue, 11 September 2012 09:25
		Re: Display and Navigate Image in IDL 8.2 By: chris_torrence@NOSPAM on Wed, 12 September 2012 14:13
		Re: Display and Navigate Image in IDL 8.2 By: lecacheux.alain on Tue, 11 September 2012 09:12
		Re: Display and Navigate Image in IDL 8.2 By: David Fanning on Tue, 11 September 2012 08:32
		Re: Display and Navigate Image in IDL 8.2 By: David Fanning on Tue, 11 September 2012 08:28
		Re: Display and Navigate Image in IDL 8.2 By: lecacheux.alain on Tue, 11 September 2012 08:03
		Re: Display and Navigate Image in IDL 8.2 By: David Fanning on Tue, 11 September 2012 07:24
		Re: Display and Navigate Image in IDL 8.2 By: David Fanning on Tue, 11 September 2012 07:09
		Re: Display and Navigate Image in IDL 8.2 By: lecacheux.alain on Tue, 11 September 2012 01:03
		Re: Display and Navigate Image in IDL 8.2 By: David Fanning on Mon, 10 September 2012 14:44
		Re: Display and Navigate Image in IDL 8.2 By: DavidF[1] on Mon, 10 September 2012 11:38
		Re: Display and Navigate Image in IDL 8.2 By: DavidF[1] on Mon, 10 September 2012 11:29
		Re: Display and Navigate Image in IDL 8.2 By: lecacheux.alain on Sat, 08 September 2012 14:07
		Re: Display and Navigate Image in IDL 8.2 By: David Fanning on Fri, 07 September 2012 16:05
		Re: Display and Navigate Image in IDL 8.2 By: David Fanning on Fri, 07 September 2012 15:03
		Re: Display and Navigate Image in IDL 8.2 By: lecacheux.alain on Thu, 13 September 2012 07:23
		Re: Display and Navigate Image in IDL 8.2 By: David Fanning on Thu, 13 September 2012 06:15
		Re: Display and Navigate Image in IDL 8.2 By: David Fanning on Wed, 12 September 2012 14:23
		Re: Display and Navigate Image in IDL 8.2 By: lecacheux.alain on Thu, 13 September 2012 00:20

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