comp.lang.idl-pvwave archive
Messages from Usenet group comp.lang.idl-pvwave, compiled by Paulo Penteado

Home » Public Forums » archive » Re: shaded relief
Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend 
Return to the default flat view Create a new topic Submit Reply
Re: shaded relief [message #52164 is a reply to message #52163] Fri, 19 January 2007 02:29 Go to previous message
Paolo Grigis is currently offline  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.
> [...]
[Message index]
 
Read Message
Read Message
Previous Topic: Re: backprojection
Next Topic: Adding or deduct values in a ARRAY

-=] Back to Top [=-
[ Syndicate this forum (XML) ] [ RSS ] [ PDF ]

Current Time: Fri Oct 10 11:37:47 PDT 2025

Total time taken to generate the page: 0.71557 seconds