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Re: Overlay Point Sources on Maps [message #51685 is a reply to message #51456]

Tue, 28 November 2006 11:37

greg michael
Messages: 163
Registered: January 2006

Senior Member

I spent a while messing around with griddata() before I realised you
could do this:

restore,"ptsource_carbon.sav"
device,decomposed=0
loadct,39
grid=fltarr(360,180)
grid[lon+180,lat+90]=soilc
tvscl, grid

This particular dataset is simpler than I first thought - the points
are already gridded at 1x1 degree. The odd thing is that many points
are repeated (up to 8 times). The values, though, seem to be the same
in these cases. In general I think a gridding approach is more robust
for this type of problem.

regards,
Greg

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[Message index]

		Overlay Point Sources on Maps By: David Fanning on Sat, 25 November 2006 09:49
		Re: Overlay Point Sources on Maps By: David Fanning on Mon, 27 November 2006 17:14
		Re: Overlay Point Sources on Maps By: David Fanning on Mon, 27 November 2006 16:58
		Re: Overlay Point Sources on Maps By: zhangxiangkun on Mon, 27 November 2006 16:32
		Re: Overlay Point Sources on Maps By: David Fanning on Tue, 28 November 2006 11:45
		Re: Overlay Point Sources on Maps By: greg michael on Tue, 28 November 2006 11:37

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