test/renders/fisheye.cal

{ RCSid $Id$ }
{
        Calculate coordinates for a 180 degree fisheye lens.
        Assume view direction is (0,1,0), view up (0,0,1), (1,0,0) right.

        4/30/90
}

fish_u = .5 + Dx/fish_Rxz * fish_Ry;
fish_v = .5 + Dz/fish_Rxz * fish_Ry;

fish_Rxz = sqrt(Dx*Dx + Dz*Dz);
fish_Ry = acos(Dy) / PI;
Revision:	1.1
Committed:	Tue Nov 20 01:49:16 2018 UTC (6 years, 11 months ago) by greg
Branch:	MAIN
CVS Tags:	rad6R0, rad5R4, rad5R3, HEAD
Log Message:	Made non-standard auxiliary files local
#	Content
1	{ RCSid $Id$ }
2	{
3	Calculate coordinates for a 180 degree fisheye lens.
4	Assume view direction is (0,1,0), view up (0,0,1), (1,0,0) right.
5
6	4/30/90
7	}
8
9	fish_u = .5 + Dx/fish_Rxz * fish_Ry;
10	fish_v = .5 + Dz/fish_Rxz * fish_Ry;
11
12	fish_Rxz = sqrt(DxDx + DzDz);
13	fish_Ry = acos(Dy) / PI;