{ "name": "tex3d_select", "node_position": { "x": 0, "y": 0 }, "parameters": { "t": 0.01, "v": 1 }, "shader_model": { "code": "float $(name_uv)_d = ($uv.w-$v)/$t;", "global": "", "inputs": [ { "default": "vec3(0.5)", "label": "", "longdesc": "The 3D texture associated to the specified color index", "name": "in1", "shortdesc": "Input1", "type": "tex3d" }, { "default": "vec3(0.5)", "label": "", "longdesc": "The 3D texture(s) associated to other color indices", "name": "in2", "shortdesc": "Input2", "type": "tex3d" } ], "instance": "", "longdesc": "Selects a 3D texture for a given color index. This can be used to map several textures into a single 3D scene.", "name": "TEX3D Select", "outputs": [ { "longdesc": "The merged 3D texture", "shortdesc": "Output", "tex3d": "mix($in1($uv), $in2($uv), clamp(1.0-$(name_uv)_d*$(name_uv)_d, 0.0, 1.0))", "type": "tex3d" } ], "parameters": [ { "control": "None", "default": 0.5, "label": "Value", "longdesc": "The value of the selected color index", "max": 1, "min": 0, "name": "v", "shortdesc": "Value", "step": 0.01, "type": "float" }, { "control": "None", "default": 0.1, "label": "Tolerance", "longdesc": "The tolerance used when comparing color indices", "max": 1, "min": 0.01, "name": "t", "shortdesc": "Tolerance", "step": 0.001, "type": "float" } ], "shortdesc": "Tex3D Select" }, "type": "shader" }