k3d/share/shaders/k3d_graphic_lines.sl:326:	float cos_here;
k3d/share/shaders/k3d_graphic_lines.sl:363:	cos_here = normalize(Nf).normI;
k3d/share/shaders/k3d_graphic_lines.sl:366:	layer_opac = 1 - smoothstep(ink_thresh - ink_fuzz/2, ink_thresh + ink_fuzz/2, abs(cos_here));
k3d/share/shaders/k3d_graphic_lines.sl:368:	if (abs(cos_here) < ink_thresh)
k3d/share/shaders/k3d_toonmap.sl:120:float cos_here;
k3d/share/shaders/k3d_toonmap.sl:157:cos_here = normalize(Nf).normI;
k3d/share/shaders/k3d_toonmap.sl:160:layer_opac = 1 - smoothstep(ink_thresh - ink_fuzz/2, ink_thresh + ink_fuzz/2, abs(cos_here));
k3d/share/shaders/k3d_toonmap.sl:162:if (abs(cos_here) < ink_thresh)
