k3d/share/shaders/k3d_lensflare.sl:48:/* Helper function: compute the aspect ratio of the frame */
k3d/share/shaders/k3d_lensflare.sl:50:aspectratio()
k3d/share/shaders/k3d_lensflare.sl:114:  uniform float aspect = abs(aspectratio());
k3d/share/shaders/k3d_lensflare.sl:118:  Pndc *= vector(aspect, 1, 0);
k3d/share/shaders/k3d_lensflare.sl:133:    Plight *= vector(aspect, 1, 0);
k3d/share/shaders/k3d_ruledpaper.sl:37: *   patch 21x29.7 units or at least with an approximate aspect ratio. 
k3d/share/shaders/k3d_ruledpaper.sl:117:		// accurate, aspecty circles.
