[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.

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