k3d/share/shaders/k3d_lensflare.sl:117:  point Pndc = (transform("NDC", P) - vector(.5, .5, 0)) * 2;
k3d/share/shaders/k3d_lensflare.sl:118:  Pndc *= vector(aspect, 1, 0);
k3d/share/shaders/k3d_lensflare.sl:119:  float dPndc = filterwidthp(Pndc);
k3d/share/shaders/k3d_lensflare.sl:135:    vector Lvec = Plight - Pndc;
k3d/share/shaders/k3d_lensflare.sl:172:		  (dPndc / rainbowradius) / rainbowwidth);
k3d/share/shaders/k3d_lensflare.sl:185:	float axisdist = distance(cntr, Pndc);
k3d/share/shaders/k3d_lensflare.sl:200:	    int = 1 - filterstep(radius, axisdist - dPndc / 2,
k3d/share/shaders/k3d_lensflare.sl:201:				 axisdist + dPndc / 2);
k3d/share/shaders/k3d_lensflare.sl:206:				axisdist, dPndc);
k3d/share/shaders/k3d_lensflare.sl:216:							       dPndc / 2,
k3d/share/shaders/k3d_lensflare.sl:218:							       dPndc / 2);
k3d/share/shaders/k3d_srfdeformation.sl:39:    point Pndc = transform("NDC", P);
k3d/share/shaders/k3d_srfdeformation.sl:41:    X = xcomp(Pndc);
k3d/share/shaders/k3d_srfdeformation.sl:42:    Y = ycomp(Pndc);
k3d/share/shaders/k3d_superplank.sl:111:  point Pndc;			/* NDC coordinate of P */
k3d/share/shaders/k3d_superplank.sl:321:	  Pndc = transform("NDC", P);
k3d/share/shaders/k3d_superplank.sl:323:	    fresnelKr * specularcolor * texture(reflmap, xcomp(Pndc),
k3d/share/shaders/k3d_superplank.sl:324:						1 - ycomp(Pndc));
