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Re: shaded relief [message #52164 is a reply to message #52163]

Fri, 19 January 2007 02:29

Paolo Grigis
Messages: 171
Registered: December 2003

Senior Member

Have you tried fiddling around with {x,y,z}range keywords in
shade_surf to get the right aspect ratios for the axis?

Ciao,
Paolo

greg michael wrote:
> I want a method to generate fast shaded relief views from a surface
> elevation grid (pixel for pixel orthogonal views which overlay)
>
> I tried using direct graphics with something like:
>
> shade_surf,dtm,image=sh,az=0,ax=90,position=[0,0,768,768],ti ck=0,xstyle=1,ystyle=1
>
> This works, except that the z-scale is auto-scaled producing an
> unrealistic exaggeration. shade_surf doesn't take an /isotropic
> keyword.
> [...]

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[Message index]

		Re: shaded relief By: greg michael on Fri, 19 January 2007 03:48
		Re: shaded relief By: Paolo Grigis on Fri, 19 January 2007 02:29

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