k3d/share/shaders/k3d_map_pattern_1.sl:3:float channel1=4; 
k3d/share/shaders/k3d_map_pattern_1.sl:34:if (channel1 < 0 || channel1 > 3)
k3d/share/shaders/k3d_map_pattern_1.sl:40:temt_c1=texture(map1[channel1],temp_ss1,temp_tt1,"swidth",swidth1,"twidth",twidth1,"samples",samples1);
