k3d/share/shaders/k3d_fakesky.sl:9:surface k3d_fakesky(vector up = (0,0,1); color skycolor = (.5, .6, 1.)) {

k3d/share/shaders/k3d_fakesky.sl:11:    Ci = Os * (.5 + .5 * max(0., (up . normalize(N)))) * 1.8 * skycolor;

k3d/share/shaders/k3d_imagelayerclouds.sl:6:			     color skycolor = color(.15, .15, .6);
k3d/share/shaders/k3d_imagelayerclouds.sl:33:  Ct = mix(skycolor, cloudcolor, smoothstep(threshold, 1, value));
k3d/share/shaders/k3d_mysky.sl:19: *    skycolor, cloudcolor - the obvious meanings

k3d/share/shaders/k3d_mysky.sl:53:	     color skycolor = color(.15, .15, .6);

k3d/share/shaders/k3d_mysky.sl:76:  Ct = mix (skycolor, cloudcolor, smoothstep (threshold, 1, value));

k3d/share/shaders/k3d_puffyclouds.sl:17: *    skycolor, cloudcolor - the obvious meanings
k3d/share/shaders/k3d_puffyclouds.sl:50:	     color skycolor = color(.15, .15, .6);
k3d/share/shaders/k3d_puffyclouds.sl:73:  Ct = mix (skycolor, cloudcolor, smoothstep (threshold, 1, value));
