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Re: Need help in IDLgrSurface and vertical exaggeration [message #48041 is a reply to message #47895]

Wed, 22 March 2006 08:14

Rick Towler
Messages: 821
Registered: August 1998

Senior Member

David Streutker wrote:
> I'm not sure about the depth perception/perspective issue, but my
> (possibly incomplete) understanding of the vertical exaggeration is as
> follows:
>
> The scaling factor is set by the [XYZ]COORD_CONV keywords. Right now,
> your horizontal scaling is:
>
> 1.0/(800*25) = 0.00005 (in inverse meters)
>
> while your vertical scaling is:
>
> 1.0/3500 = 0.00029
>
> The ratio of these two is about 5.7, which should be your vertical
> exaggeration. In order to remove the exaggeration, the second element
> of the [XYZ]COORD_CONV keywords needs to be consistent for all
> dimensions.

Chintan,

Was this the issue? I've been so busy that I only glanced at your code
and I thought that your *COORD_CONV values might be at fault. I've said
this before, but I try hard to avoid using *COORD_CONV. I always screw
something up if I do...

-Rick

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[Message index]

		Re: Need help in IDLgrSurface and vertical exaggeration By: David Streutker on Fri, 17 March 2006 09:31
		Re: Need help in IDLgrSurface and vertical exaggeration By: raval.chintan on Fri, 17 March 2006 02:54
		Re: Need help in IDLgrSurface and vertical exaggeration By: Rick Towler on Thu, 16 March 2006 16:28
		Re: Need help in IDLgrSurface and vertical exaggeration By: K. Bowman on Thu, 16 March 2006 07:04
		Re: Need help in IDLgrSurface and vertical exaggeration By: Rick Towler on Wed, 22 March 2006 08:14

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