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Re: ENVI_INIT_TILE tiling problem [message #65711 is a reply to message #65634]

Mon, 16 March 2009 05:47

Jean H.
Messages: 472
Registered: July 2006

Senior Member

> But this now results in the following error, which I don't understand
> and can't find a reference to (including in tri_surf.pro, unless I've
> missed something?). Any ideas?
>
> % Array dimensions must be greater than 0.
> % Error occurred at: TRI_SURF 136 C:\Program Files\ITT
> \IDL64\lib\tri_surf.pro
>
> output_DSM is certainly a 2D array, as I'm able to TVSCL it to view
> the contents.
>
> output_DSM contains lots of holes (value of 0) which I'd like to
> interpolate over using TRI_SURF.

lines 135 and 136 are:
if n_elements(xgrid) eq 2 then begin
x = findgen(nx) * xgrid[1] + xgrid[0]
NX being computed form the Z input (your output_dsm array)

so, the problem is your Z input... double check, just before calling
tri_surf, what is the content and size of output_dsm!

Jean

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[Message index]

		ENVI_INIT_TILE tiling problem By: a.l.j.ford on Sat, 14 March 2009 06:10
		Re: ENVI_INIT_TILE tiling problem By: Jean H. on Tue, 17 March 2009 07:09
		Re: ENVI_INIT_TILE tiling problem By: a.l.j.ford on Tue, 17 March 2009 16:04
		Re: ENVI_INIT_TILE tiling problem By: jeffnettles4870 on Mon, 16 March 2009 18:16
		Re: ENVI_INIT_TILE tiling problem By: a.l.j.ford on Mon, 16 March 2009 13:57
		Re: ENVI_INIT_TILE tiling problem By: Jean H. on Mon, 16 March 2009 05:47
		Re: ENVI_INIT_TILE tiling problem By: a.l.j.ford on Wed, 18 March 2009 12:47
		Re: ENVI_INIT_TILE tiling problem By: a.l.j.ford on Tue, 17 March 2009 17:08
		Re: ENVI_INIT_TILE tiling problem By: David Fanning on Tue, 17 March 2009 16:09
		Re: ENVI_INIT_TILE tiling problem By: d.poreh on Fri, 10 April 2009 04:41

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