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Re: Need help in IDLgrSurface and vertical exaggeration [message #47895]

Fri, 17 March 2006 09:31

David Streutker
Messages: 34
Registered: June 2005

Member

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.

-David

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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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