k3d/share/shaders/k3d_terran.sl:31:		   float depth_max = .5; float mottle_limit = 0.75;
k3d/share/shaders/k3d_terran.sl:167:	  chaos = max(chaos, -depth_max);
k3d/share/shaders/k3d_terran2.sl:32: *    depth_scale, depth_max - scaling factor and max depth of oceans
k3d/share/shaders/k3d_terran2.sl:92:	  float depth_max = .5;
k3d/share/shaders/k3d_terran2.sl:222:	  chaos = max (chaos, -depth_max);
