khr_volume_transfer_function1d.json

{
    "info" : {
        "name" : "KHR_VOLUME_TRANSFER_FUNCTION1D",
        "type" : "extension",
        "dependencies" : []
    },

    "objects" : [
        {
            "type" : "ANARI_VOLUME",
            "name" : "transferFunction1D",
            "description" : "transferFunction1D volume object",
            "parameters" : [
                {
                    "name" : "name",
                    "types" : ["ANARI_STRING"],
                    "tags" : [],
                    "description" : "optional object name"
                }, {
                    "name" : "value",
                    "types" : ["ANARI_SPATIAL_FIELD"],
                    "tags" : ["required"],
                    "description" : "spatial field used for the field values of the volume"
                }, {
                    "name" : "valueRange",
                    "types" : ["ANARI_FLOAT32_BOX1", "ANARI_FLOAT64_BOX1"],
                    "tags" : [],
                    "default" : [0.0, 1.0],
                    "description" : "sampled values of field are clamped to this range"
                }, {
                    "name" : "color",
                    "types" : ["ANARI_FLOAT32_VEC4", "ANARI_FLOAT32_VEC3", "ANARI_ARRAY1D"],
                    "elementType" : [
                        "ANARI_UFIXED8", "ANARI_UFIXED8_VEC2", "ANARI_UFIXED8_VEC3", "ANARI_UFIXED8_VEC4",
                        "ANARI_UFIXED8_R_SRGB", "ANARI_UFIXED8_RA_SRGB", "ANARI_UFIXED8_RGB_SRGB", "ANARI_UFIXED8_RGBA_SRGB",
                        "ANARI_UFIXED16", "ANARI_UFIXED16_VEC2", "ANARI_UFIXED16_VEC3", "ANARI_UFIXED16_VEC4",
                        "ANARI_UFIXED32", "ANARI_UFIXED32_VEC2", "ANARI_UFIXED32_VEC3", "ANARI_UFIXED32_VEC4",
                        "ANARI_FLOAT32", "ANARI_FLOAT32_VEC2", "ANARI_FLOAT32_VEC3", "ANARI_FLOAT32_VEC4"],
                    "tags" : ["required"],
                    "description" : "sampled color"
                }, {
                    "name" : "opacity",
                    "types" : ["ANARI_FLOAT32", "ANARI_ARRAY1D"],
                    "elementType" : ["ANARI_FLOAT32"],
                    "tags" : ["required"],
                    "description" : "sampled opacity"
                }, {
                    "name" : "unitDistance",
                    "types" : ["ANARI_FLOAT32"],
                    "tags" : [],
                    "default" : 1,
                    "description" : "makes volumes uniformly thinner or thicker"
                }
            ]
        }
    ]
}