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/******************************************************************************
* Copyright 2024 NVIDIA Corporation. All rights reserved. *
******************************************************************************
Permission is hereby granted by NVIDIA Corporation ("NVIDIA"), free of charge,
to any person obtaining a copy of the sample definition code that uses our
Material Definition Language (the "MDL Materials"), to reproduce and distribute
the MDL Materials, including without limitation the rights to use, copy, merge,
publish, distribute, and sell modified and unmodified copies of the MDL
Materials, and to permit persons to whom the MDL Materials is furnished to do
so, in all cases solely for use with NVIDIA's Material Definition Language,
subject to the following further conditions:
1. The above copyright notices, this list of conditions, and the disclaimer
that follows shall be retained in all copies of one or more of the MDL
Materials, including in any software with which the MDL Materials are bundled,
redistributed, and/or sold, and included either as stand-alone text files,
human-readable headers or in the appropriate machine-readable metadata fields
within text or binary files as long as those fields can be easily viewed by the
user, as applicable.
2. The name of NVIDIA shall not be used to promote, endorse or advertise any
Modified Version without specific prior written permission, except a) to comply
with the notice requirements otherwise contained herein; or b) to acknowledge
the contribution(s) of NVIDIA.
THE MDL MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT,
TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL,
INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE
THE MDL MATERIALS OR FROM OTHER DEALINGS IN THE MDL MATERIALS.
*/
mdl 1.5;
import ::anno::*;
import ::base::*;
import ::df::*;
import ::math::*;
import ::state::*;
import ::tex::*;
import ::nvidia::core_definitions::blend_colors;
import ::nvidia::core_definitions::dimension;
const string COPYRIGHT =
" Copyright 2024 NVIDIA Corporation. All rights reserved.\n"
" MDL MATERIALS ARE PROVIDED PURSUANT TO AN END USER LICENSE AGREEMENT,\n"
" WHICH WAS ACCEPTED IN ORDER TO GAIN ACCESS TO THIS FILE. IN PARTICULAR,\n"
" THE MDL MATERIALS ARE PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n"
" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF\n"
" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF\n"
" COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL NVIDIA\n"
" CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY\n"
" GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN\n"
" AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR\n"
" INABILITY TO USE THE MDL MATERIALS OR FROM OTHER DEALINGS IN THE MDL MATERIALS.\n";
const string DESCRIPTION = "Diffuse plastic polycarbonate material for rendering of diffuse plastic with volumetric exhaustion.";
export enum unit_scale
[[
::anno::hidden()
]]
{
unit_mm = 1,
unit_cm = 2,
unit_m = 3
};
struct volume_info
[[
::anno::hidden()
]]
{
color absorption_coefficient;
color scattering_coefficient;
};
// simplified volume coefficients
// This function takes a transmittance value and and albedo and translates it into meaningful
// scattering and volume coefficients that are userfriendly
//
volume_info volume_transmittance_albedo(
uniform float density_scale = 1.0,
uniform color transmittance = color(0.5f), // transmittance color after unit distance
uniform color albedo = color(1.0f)
)
{
color sigma_t = -::math::log(::math::saturate(transmittance)) * density_scale;
color sigma_s = sigma_t * ::math::saturate(albedo);
return volume_info(
scattering_coefficient: sigma_s,
absorption_coefficient: sigma_t - sigma_s);
}
// This function calculates the apropriate scattering and volume coefficients
// for a material of a given thickness.
// The user specifies the thickness of the material, e.g. 3mm and the amount
// of light passing through. The rest is automatically calculated for the material
// and the material_volume is returned.
volume_info custom_volume_transmittance(
uniform unit_scale unit_scale_select = unit_mm,
uniform float absorption_thickness = 3.0f,
uniform color transmittance = color(0.5f),
uniform color albedo = color(0.0f)
)
{
absorption_thickness = (absorption_thickness <= 0.0f) ? 0.00001 : absorption_thickness;
float scalefactor;
switch(unit_scale_select){
case unit_mm: scalefactor = 0.001f; break;
case unit_cm: scalefactor = 0.01f; break;
case unit_m: scalefactor = 1.0f; break;
default: scalefactor = 1.0f;
}
volume_info vol_coefficients = volume_transmittance_albedo(
density_scale: 1.0f/(absorption_thickness * scalefactor),
transmittance: transmittance,
albedo: albedo
);
return vol_coefficients;
}
::base::texture_coordinate_info transform_coordinate_2(
float4x4 transform
[[ ::anno::description("A transformation to be applied to the source coordinates. rotation_translation_scale() is a suggested means to compute the transformation matrix.") ]],
::base::texture_coordinate_info coordinate = ::base::texture_coordinate_info()
[[ ::anno::description("Coordinate, typically sourced from coordinate_source or coordinate_projection.") ]]
) [[
::anno::description("Transform a texture coordinate by a matrix.") ,
::anno::noinline()
]]
{
// Version 2
float4 r_position = transform * float4(coordinate.position.x,coordinate.position.y,coordinate.position.z,1);
//Try aproximating it for the case that the rotation is only aroud z and assuming the texture layout is nice and z is ~constant.
//just pretend there is no other rotation happening
//get rid of scaling and translation. Then extract fields where sin and cos would be in a simple 2d transform around z.
float4 u = transform[0];
float3 ru = ::math::normalize(float3(u.x,u.y,u.z));
float cos = ru.x;
float sin = -ru.y;
//TODO: at least also handle sign of z?
//TODO: handle tangent becoming 0
return ::base::texture_coordinate_info(
float3(r_position.x,r_position.y,r_position.z),
::math::normalize(cos * coordinate.tangent_u - sin * coordinate.tangent_v),
::math::normalize(cos * coordinate.tangent_v + sin * coordinate.tangent_u));
}
// Takes the standard input that every material has. It combines a couple of
// functions in one convenience function.
::base::texture_coordinate_info vmat_transform(
float2 translation = float2(0.0, 0.0),
float rotation = 0.0, // rotation in degrees
float2 scaling = float2(1.0, 1.0),
uniform ::base::texture_coordinate_system system = ::base::texture_coordinate_uvw,
uniform int uv_space = 0
)
{
float rotation_rad = (rotation * 3.1415926535897932384626433832f) / 180.f;
float4x4 scale =
float4x4(1.0 /scaling.x, 0. , 0. , 0.,
0. , 1.0 /scaling.y , 0. , 0.,
0. , 0. , 1.0, 0.,
translation.x , translation.y , 0.0, 1.);
float s = ::math::sin(rotation_rad);
float c = ::math::cos(rotation_rad);
float4x4 rotate =
float4x4( c , -s , 0.0 , 0.0,
s , c , 0.0 , 0.0,
0.0, 0.0 , 1.0 , 0.0,
0. , 0.0 , 0.0 , 1.);
return transform_coordinate_2(scale*rotate, ::base::coordinate_source(system, uv_space));
}
float2x2 invert_2x2(float2x2 M)
{
float det = M[0][0]*M[1][1] - M[0][1]*M[1][0];
//https://www.chilimath.com/lessons/advanced-algebra/inverse-of-a-2x2-matrix/
return (1.0 / det) * float2x2(M[1][1], -M[0][1], -M[1][0], M[0][0]);
}
// https://nullprogram.com/blog/2018/07/31/
//bias: 0.17353355999581582 ( very probably the best of its kind )
// NOTE: To turn this back to a float, one must divide the value by 4294967296.f
// which corresponds to 0xffffffff, however MDL seems to turn this into -1.
int lowbias32(int x)
{
x ^= x >>> 16;
x *= 0x7feb352d;
x ^= x >>> 15;
x *= 0x846ca68b;
x ^= x >>> 16;
return x;
}
float uint2float(int x)
{
return float(x & 0x7FFFFFFF) + (x < 0 ? 2147483648.0 : 0.0);
}
float2 rnd22(int2 p) {
float2 ret_val = float2(
uint2float(lowbias32(p[0] + lowbias32(p[1]))) / 4294967296.f,
uint2float(lowbias32(p[0] + 32000 + lowbias32(p[1]))) / 4294967296.f
);
return ret_val;
}
float3 srgb2rgb(float3 val)
{
return ::math::pow(::math::max(val, float3(0.0f)), 2.2);
}
float3 nonrepeat_lookup(
uniform texture_2d texture = texture_2d(),
::base::texture_coordinate_info uvw = ::base::coordinate_source(),
float texture_scale = 1.0,
float3 average_color = float3(0.5),
float patch_size = 8.0
)
{
float2 uv_in = float2(uvw.position[0], uvw.position[1]) * texture_scale;
float Z = patch_size; // patch scale inside example texture
float3 O = float3(0.f);
float2x2 M0 = float2x2(1.f,0.f, 0.5f, ::math::sqrt(3.f)/2.f);
float2x2 M = invert_2x2(M0); // transform matrix <-> tilted space
float2 U = uv_in;
float2 V = M * uv_in; //pre-tilted hexa coordinates
int2 I = int2(::math::floor(V)); // hexa-tile id
// The mean color needs to be determined in Photoshop
float3 m = average_color;
float3 F = float3(::math::frac(V)[0], ::math::frac(V)[1], 0.f), W;
F[2] = 1.0 - F[0] - F[1]; // local hexa coordinates
if( F[2] > 0.f )
O = (W[0] = F[2]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I))) - m)
+ (W[1] = F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0,1)))) - m)
+ (W[2] = F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1,0)))) - m);
else
O = (W[0] = -F[2]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1)))) - m)
+ (W[1] = 1.f - F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1, 0)))) - m)
+ (W[2] = 1.f - F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0, 1)))) - m);
O = m + O/::math::length(W);
O = ::math::clamp( (O), 0.0, 1.0);
return float3(O);
}
// NOTE: tex_resource must be in linear space (ensure that ::tex::gamma_linear is used)
color endless_texture(
uniform texture_2d texture = texture_2d(),
::base::texture_coordinate_info uvw = ::base::coordinate_source(),
float texture_scale = 10.0,
float3 average_color = float3(0.5, 0.5, 1.0),
float patch_size = 8.0,
bool gamma_correct_lookup = true
)
{
return gamma_correct_lookup ? color(srgb2rgb(
nonrepeat_lookup (
texture: texture,
uvw: uvw,
texture_scale: texture_scale,
average_color: average_color,
patch_size: patch_size
))
) : color(nonrepeat_lookup (
texture: texture,
uvw: uvw,
texture_scale: texture_scale,
average_color: average_color,
patch_size: patch_size
));
}
export material Polycarbonate_Opaque(
uniform bool thin_walled = false [[
::anno::description("Makes the material thin-walled. This changes the behavior of the material in a way that light attenuation is not calculated volumetrically as light travels through the geometry but at the light surface level. Thin walled geometry mustbe modeled as a single sheet without any volume."),
::anno::display_name("Thin Walled"),
::anno::ui_order(0)
]],
float IOR = 1.586f [[
::anno::description("Sets the Index of refraction."),
::anno::display_name("IOR"),
::anno::in_group("Appearance"),
::anno::ui_order(1)
]],
float roughness = 0.f [[
::anno::description("Hight values lead to a blurrier reflection."),
::anno::display_name("Roughness"),
::anno::in_group("Appearance"),
::anno::hard_range(0.f, 1.f),
::anno::ui_order(2)
]],
uniform color diffuse_tint = color(0.752942f) [[
::anno::description("Adjusts the diffuse color of the surface."),
::anno::display_name("Diffuse Tint"),
::anno::in_group("Appearance"),
::anno::ui_order(3)
]],
uniform unit_scale units_absorption_thickness = unit_cm [[
::anno::description("Chooses the units that are used for setting the absorption thickness. Can be meters, centimeters or millimeters."),
::anno::display_name("Units Absorption Thickness"),
::anno::in_group("Appearance"),
::anno::ui_order(4)
]],
uniform float absorption_thickness = 20.f [[
::anno::description("The thickness for which the transmittance (color) is set. Example: If thickness is set to 3mm and transmittance to 0.8, then 80% of the light will pass through a 3mm thick material."),
::anno::display_name("Absorption Thickness"),
::anno::in_group("Appearance"),
::anno::ui_order(5)
]],
uniform color transmissive_tint = color(0.98f) [[
::anno::description("Adjusts the transmissive color of the material. The color is influenced by the \"Diffuse Tint\" color parameter."),
::anno::display_name("Transmissive Tint"),
::anno::in_group("Appearance"),
::anno::ui_order(6)
]],
// Smudges
float smudges = 0.66f [[
::anno::description("Adds smudges and fingerprints for a less clean and perfect look"),
::anno::display_name("Smudges"),
::anno::in_group("Appearance", "Smudges"),
::anno::hard_range(0.f, 1.f),
::anno::ui_order(7)
]],
float2 smudge_scale = float2(1.f) [[
::anno::description("Larger numbers increase the size."),
::anno::display_name("Smudge Scale"),
::anno::in_group("Appearance", "Smudges"),
::anno::soft_range(float2(0.f), float2(2.f)),
::anno::ui_order(8)
]],
// Round Corners
uniform bool round_corners = true [[// Transform
::anno::description("Enables the round corner effect. Comes at a slight performance cost as additional raytracing calls are required to evaluate the round corner effect."),
::anno::display_name("Round Corners"),
::anno::in_group("Round Corners"),
::anno::ui_order(9)
]],
uniform float radius = 1.5f [[
::anno::description("Radius of the rounded corners."),
::anno::display_name("Radius mm"),
::anno::in_group("Round Corners"),
::anno::soft_range(0.f, 10.f),
::anno::ui_order(10)
]],
uniform bool across_materials = false [[
::anno::description("Applies the round corner effect across different materials when enabled."),
::anno::display_name("Across Materials"),
::anno::in_group("Round Corners"),
::anno::ui_order(11)
]],
float2 texture_translate = float2(0.f) [[
::anno::description("Controls the position of the texture."),
::anno::display_name("Texture Translate"),
::anno::in_group("Transform"),
::anno::ui_order(12)
]],
float texture_rotate = 0.f [[
::anno::description("Rotates angle of the texture in degrees."),
::anno::display_name("Texture Rotate"),
::anno::in_group("Transform"),
::anno::soft_range(0.f, 360.f),
::anno::ui_order(13)
]],
float2 texture_scale = float2(1.f) [[
::anno::description("Larger numbers increase the size."),
::anno::display_name("Texture Scale"),
::anno::in_group("Transform"),
::nvidia::core_definitions::dimension(float2(0.45f, .45f)),
::anno::soft_range(float2(0.f), float2(2.f)),
::anno::ui_order(14)
]],
uniform int uv_space_index = 0 [[
::anno::description("uses the selected UV space index."),
::anno::display_name("UV Space Index"),
::anno::in_group("Advanced"),
::anno::soft_range(0, 4),
::anno::ui_order(15)
]],
float3 normal = ::state::normal() [[
::anno::description("Override this input to provide a custom normal for the material."),
::anno::display_name("Normal"),
::anno::in_group("Advanced"),
::anno::ui_order(16)
]])
[[
::anno::display_name("Polycarbonate Opaque - White"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Opaque.png"),
::anno::copyright_notice(COPYRIGHT)
]]
=
let {
bool tmp0 = thin_walled;
texture_2d smudges_tex = texture_2d("./textures/plastic_smudges.jpg", ::tex::gamma_linear);
color endless_tex_lookup = endless_texture(smudges_tex, vmat_transform(texture_translate, texture_rotate, texture_scale * smudge_scale, ::base::texture_coordinate_uvw, uv_space_index), 4.f, float3(0.059f, 0.051f, 0.125f), 4.f, false);
float roughness_smudges = (::math::pow(::math::max(float3(endless_tex_lookup)[0] * smudges, float3(endless_tex_lookup)[1] * smudges), ::math::lerp(2.5f, 0.5f, ::math::pow(smudges, 0.25f))) + roughness * 0.5f);
volume_info vol_inf = custom_volume_transmittance(units_absorption_thickness, absorption_thickness, color(0.214040995f, 0.214040995f, 0.214040995f), transmissive_tint);
material_surface tmp1(
::df::fresnel_layer(
IOR,
1.f,
::df::microfacet_ggx_smith_bsdf(
roughness_smudges * roughness_smudges,
roughness_smudges * roughness_smudges,
color(1.f, 1.f, 1.f),
::state::texture_tangent_u(0),
::df::scatter_reflect
),
::df::weighted_layer(
0.508f,
::df::diffuse_reflection_bsdf(diffuse_tint, 0.f),
::df::weighted_layer(
1.f,
::df::diffuse_transmission_bsdf(transmissive_tint),
bsdf(),
normal
),
normal
),
normal
),
material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance)
);
material_surface tmp2 = material_surface(scattering: bsdf(), emission: material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance));
material_volume tmp4 = thin_walled ?
material_volume(
scattering: vdf(),
absorption_coefficient: color(0.f, 0.f, 0.f),
scattering_coefficient: color(0.f, 0.f, 0.f)) :
material_volume(
vdf(),
vol_inf.absorption_coefficient,
vol_inf.scattering_coefficient);
material_geometry tmp5(float3(0.f), 1.f, round_corners ? ::state::rounded_corner_normal(radius * 0.001f, across_materials, 1.f) : ::state::normal());
hair_bsdf tmp6 = hair_bsdf();
} in
material(
thin_walled: tmp0,
surface: tmp1,
backface: tmp2,
ior: color(1.f, 1.f, 1.f),
volume: tmp4,
geometry: tmp5,
hair: tmp6);
export material Polycarbonate_Ivory(*)
[[
::anno::display_name("Polycarbonate Opaque - Ivory"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "ivory", "white", "light", "neutral")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Ivory.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.896269f, 0.838799f, 0.686685f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.955973f, 0.896269f, 0.730461f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Lemon(*)
[[
::anno::display_name("Polycarbonate Opaque - Lemon"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "lemon", "yellow", "saturated", "warm", "light")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Lemon.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.715694f, 0.715694f, 0.045186f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.964686f, 0.964686f, 0.059511f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Yellow(*)
[[
::anno::display_name("Polycarbonate Opaque - Yellow"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "yellow", "warm", "saturated", "light")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Yellow.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.871367f, 0.603827f, 0.045186f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.955973f, 0.686685f, 0.049707f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Dark_Orange(*)
[[
::anno::display_name("Polycarbonate Opaque - Dark Orange"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "dark", "orange", "saturated", "warm")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Dark_Orange.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.527115f, 0.127438f, 0.026241f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.955973f, 0.514918f, 0.040915f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Red(*)
[[
::anno::display_name("Polycarbonate Opaque - Red"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "red", "saturated", "warm")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Red.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.644480f, 0.036889f, 0.036889f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.921582f, 0.049707f, 0.049707f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Magenta(*)
[[
::anno::display_name("Polycarbonate Opaque - Magenta"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "magenta", "saturated", "warm")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Magenta.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.539479f, 0.051269f, 0.545724f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.921582f, 0.049707f, 0.144128f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Purple(*)
[[
::anno::display_name("Polycarbonate Opaque - Purple"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "purple", "saturated")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Purple.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.191202f, 0.022174f, 0.456411f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.412543f, 0.049707f, 0.921582f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Dark_Blue(*)
[[
::anno::display_name("Polycarbonate Opaque - Dark Blue"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "blue", "saturated", "cool", "dark")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Dark_Blue.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.031896f, 0.061246f, 0.304987f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.056128f, 0.135633f, 0.955973f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Blue(*)
[[
::anno::display_name("Polycarbonate Opaque - Blue"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "blue", "saturated", "cool")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Blue.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.038204f, 0.171441f, 0.838799f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.042311f, 0.194618f, 0.955973f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Sky_Blue(*)
[[
::anno::display_name("Polycarbonate Opaque - Sky Blue"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "blue", "sky", "light", "cool")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Sky_Blue.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.135633f, 0.356400f, 0.871367f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.070360f, 0.346704f, 0.964686f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Light_Blue(*)
[[
::anno::display_name("Polycarbonate Opaque - Light Blue"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "blue", "light", "cool")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Sky_Blue.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.258183f, 0.768151f, 0.822786f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.300544f, 0.896269f, 0.955973f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Teal(*)
[[
::anno::display_name("Polycarbonate Opaque - Teal"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "teal", "saturated", "cool")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Teal.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.040915f, 0.571125f, 0.323143f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.064803f, 0.955973f, 0.332452f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Dark_Green(*)
[[
::anno::display_name("Polycarbonate Opaque - Dark Green"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "green", "saturated", "dark")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Dark_Green.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.026241f, 0.141263f, 0.026241f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.086500f, 0.854993f, 0.086500f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Green(*)
[[
::anno::display_name("Polycarbonate Opaque - Green"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "green", "saturated")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Green.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.023153f, 0.346704f, 0.023153f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.054480f, 0.938686f, 0.054480f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Light_Green(*)
[[
::anno::display_name("Polycarbonate Opaque - Light Green"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "green", "saturated", "light")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Light_Green.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.034340f, 0.679542f, 0.031896f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.054480f, 0.930111f, 0.054480f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Lime_Green(*)
[[
::anno::display_name("Polycarbonate Opaque - Lime Green"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "green", "lime", "saturated", "light")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Lime_Green.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.208637f, 0.597202f, 0.031896f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.300544f, 0.879622f, 0.043735f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Black(*)
[[
::anno::display_name("Polycarbonate Opaque - Black"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "black", "dark", "neutral")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Black.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.038204f, 0.038204f, 0.038204f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.038204f, 0.038204f, 0.038204f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Dark_Gray(*)
[[
::anno::display_name("Polycarbonate Opaque - Dark Gray"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "gray", "dark", "neutral")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Dark_Gray.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.127438f, 0.127438f, 0.127438f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.822786f, 0.822786f, 0.822786f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);
export material Polycarbonate_Light_Gray(*)
[[
::anno::display_name("Polycarbonate Opaque - Light Gray"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Ruediger Raab"),
::anno::contributor("Maik Rohland"),
::anno::description(DESCRIPTION),
::anno::key_words(string[]("plastic", "polycarbonate", "PC", "synthetic", "opaque", "design", "packaging", "molded", "smudged", "smudges", "infinite tiling", "smooth", "gray", "light", "neutral")),
::anno::thumbnail("./.thumbs/Polycarbonate_Opaque.Polycarbonate_Light_Gray.png"),
::anno::copyright_notice(COPYRIGHT)
]] = Polycarbonate_Opaque
(
thin_walled: false,
IOR: 1.586f,
roughness: 0.0f,
diffuse_tint: color(0.456411f, 0.456411f, 0.456411f),
units_absorption_thickness: unit_cm,
absorption_thickness: 20.0f,
transmissive_tint: color(0.991102f, 0.991102f, 0.991102f),
smudges: 0.1f,
smudge_scale: float2(1.0f),
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
round_corners: false,
radius: 1.5f,
across_materials: false,
uv_space_index: 0
);