[Proj] Dubai Palm Island Projection
    Oscar van Vlijmen 
    ovv at hetnet.nl
       
    Mon Mar  5 14:15:50 EST 2007
    
    
  
> From: "Andreas Rappensperger"
> Date: Mon, 5 Mar 2007 15:03:55 +0100
> Subject: Re: [Proj] Dubai Palm Island Projection
> But now I am facing with another problem.
....
> The Problem is now when I take any point of the rotated image and transform
> it back to WGS84 then it is completely wrong. I have transformed the bottom,
> top, left and right point of the palm and it seams that the coordinates in the
> still rotated in WGS84.
I have no idea what could be wrong. PROJ is symmetrical in its forward -
inverse omerc operations, even if you use no_rot in both cases.
> Should I use the towgs84 parameter?
No, this is for datum transformation, say from ellipsoid 1 to ellipsoid 2.
 
    
    
More information about the Proj
mailing list