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 # asset\_preparation::v3::material::ThermalProperties Struct Reference

 Last update: 16.07.2025 

The thermal properties of a material. [More...](structasset__preparation_1_1v3_1_1material_1_1_thermal_properties.xhtml#details)

## <a name="pub-attribs"></a>Public Attributes

google::protobuf::DoubleValue [emissivity](structasset__preparation_1_1v3_1_1material_1_1_thermal_properties.xhtml#a4c7a8b150b6505fc67682009b3ca529f) = 1 google::protobuf::Int32Value [emissivity\_variation\_texture\_identifier](structasset__preparation_1_1v3_1_1material_1_1_thermal_properties.xhtml#a009dc45eb6391a657648eadc811b3a89) = 2 google::protobuf::Int32Value [emissivity\_variation\_uv\_channel](structasset__preparation_1_1v3_1_1material_1_1_thermal_properties.xhtml#a159f12178a2eda775351e45f179b8f1a) = 3 google::protobuf::DoubleValue [emissivity\_variation\_amplitude](structasset__preparation_1_1v3_1_1material_1_1_thermal_properties.xhtml#a96e7e7080d8b3dc288d94a3e0c1d332e) = 4 google::protobuf::DoubleValue [reflection\_coefficient](structasset__preparation_1_1v3_1_1material_1_1_thermal_properties.xhtml#abbb1a430efc0cc8ffba0ac1f5dd45dc5) = 5 google::protobuf::DoubleValue [shininess](structasset__preparation_1_1v3_1_1material_1_1_thermal_properties.xhtml#a148edd73b069c695a178fb51e6e2ea6b) = 6 google::protobuf::DoubleValue [thermal\_coefficient](structasset__preparation_1_1v3_1_1material_1_1_thermal_properties.xhtml#a31534a839678bebaa6b47c096a6deb75) = 7 <a id="details" name="details"></a>## Detailed Description

The thermal properties of a material.



## Member Data Documentation

<a id="a4c7a8b150b6505fc67682009b3ca529f"></a>## [◆ ](#a4c7a8b150b6505fc67682009b3ca529f)emissivity

 google::protobuf::DoubleValue asset\_preparation::v3::material::ThermalProperties::emissivity = 1

The emissivity.

Unit: Percentage (%)

NoteMust be a double in the range \[0,100\].The default value is 0. 



<a id="a009dc45eb6391a657648eadc811b3a89"></a>## [◆ ](#a009dc45eb6391a657648eadc811b3a89)emissivity\_variation\_texture\_identifier

 google::protobuf::Int32Value asset\_preparation::v3::material::ThermalProperties::emissivity\_variation\_texture\_identifier = 2

The identifier of the emissivity variation texture referenced in the material.

NoteOptional field.The emissivity variation texture reference can be removed by setting the value '-1'. 



<a id="a159f12178a2eda775351e45f179b8f1a"></a>## [◆ ](#a159f12178a2eda775351e45f179b8f1a)emissivity\_variation\_uv\_channel

 google::protobuf::Int32Value asset\_preparation::v3::material::ThermalProperties::emissivity\_variation\_uv\_channel = 3

The emissivity variation UV channel.

NoteMust be 1, 2, 3 or 4.The default value is 1. 



<a id="a96e7e7080d8b3dc288d94a3e0c1d332e"></a>## [◆ ](#a96e7e7080d8b3dc288d94a3e0c1d332e)emissivity\_variation\_amplitude

 google::protobuf::DoubleValue asset\_preparation::v3::material::ThermalProperties::emissivity\_variation\_amplitude = 4

The emissivity variation amplitude.

Unit: Percentage (%)

NoteMust be a double in the range \[0,100\].The default value is 0.If the emissivity variation texture is not defined, the amplitude will be ignored. 



<a id="abbb1a430efc0cc8ffba0ac1f5dd45dc5"></a>## [◆ ](#abbb1a430efc0cc8ffba0ac1f5dd45dc5)reflection\_coefficient

 google::protobuf::DoubleValue asset\_preparation::v3::material::ThermalProperties::reflection\_coefficient = 5

The reflection coefficient.

Unit: Percentage (%)

NoteMust be a double in the range \[0,100\].The default value is 0. 



<a id="a148edd73b069c695a178fb51e6e2ea6b"></a>## [◆ ](#a148edd73b069c695a178fb51e6e2ea6b)shininess

 google::protobuf::DoubleValue asset\_preparation::v3::material::ThermalProperties::shininess = 6

The shininess.

NoteMust be a double in the range \[1,10\].The default value is 1. 



<a id="a31534a839678bebaa6b47c096a6deb75"></a>## [◆ ](#a31534a839678bebaa6b47c096a6deb75)thermal\_coefficient

 google::protobuf::DoubleValue asset\_preparation::v3::material::ThermalProperties::thermal\_coefficient = 7

The thermal coefficient.

NoteMust be a double in the range \[0,1\].The default value is 1. 



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The documentation for this struct was generated from the following file:- material\_description.proto