8.2 Material schema

8.2.1 metadata

Metadata about the material.

8.2.1.1 name

Name of the material.

Required: Yes

8.2.1.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.1.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.2 metadata

Metadata about the material.

8.2.2.1 name

Name of the material.

Required: Yes

8.2.2.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.2.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.2.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.3 metadata

Metadata about the material.

8.2.3.1 name

Name of the material.

Required: Yes

8.2.3.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.3.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.4 metadata

Metadata about the material.

8.2.4.1 name

Name of the material.

Required: Yes

8.2.4.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.4.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.4.4 materialVersion

Version of the material.

Required: Yes

8.2.4.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Pattern: `^\\d{8}T\\d{6}Z= Material schema

8.2.5 metadata

Metadata about the material.

8.2.5.1 name

Name of the material.

Required: Yes

8.2.5.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.5.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.6 metadata

Metadata about the material.

8.2.6.1 name

Name of the material.

Required: Yes

8.2.6.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.6.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.6.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.7 metadata

Metadata about the material.

8.2.7.1 name

Name of the material.

Required: Yes

8.2.7.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.7.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.8 metadata

Metadata about the material.

8.2.8.1 name

Name of the material.

Required: Yes

8.2.8.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.8.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.8.4 materialVersion

Version of the material.

Required: Yes

8.2.8.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Required: Yes

8.2.8.6 openMaterialVersion

Version of OpenMATERIAL.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.9 metadata

Metadata about the material.

8.2.9.1 name

Name of the material.

Required: Yes

8.2.9.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.9.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.10 metadata

Metadata about the material.

8.2.10.1 name

Name of the material.

Required: Yes

8.2.10.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.10.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.10.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.11 metadata

Metadata about the material.

8.2.11.1 name

Name of the material.

Required: Yes

8.2.11.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.11.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.12 metadata

Metadata about the material.

8.2.12.1 name

Name of the material.

Required: Yes

8.2.12.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.12.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.12.4 materialVersion

Version of the material.

Required: Yes

8.2.12.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Pattern: `^\\d{8}T\\d{6}Z= Material schema

8.2.13 metadata

Metadata about the material.

8.2.13.1 name

Name of the material.

Required: Yes

8.2.13.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.13.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.14 metadata

Metadata about the material.

8.2.14.1 name

Name of the material.

Required: Yes

8.2.14.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.14.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.14.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.15 metadata

Metadata about the material.

8.2.15.1 name

Name of the material.

Required: Yes

8.2.15.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.15.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.16 metadata

Metadata about the material.

8.2.16.1 name

Name of the material.

Required: Yes

8.2.16.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.16.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.16.4 materialVersion

Version of the material.

Required: Yes

8.2.16.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Required: Yes

8.2.16.6 openMaterialVersion

Version of OpenMATERIAL.

Required: Yes

8.2.16.7 copyright

Copyright information with year and company.

Required: Yes

8.2.16.8 license

License information. For common open source licenses, provide an SPDX identifier. For other types of licenses, provide an URL to a webpage with the license or the filename of a separately provided license file.

Required: Yes

8.2.16.9 author

Name or email address of the author of this material. In case of multiple authors, use comma-separation. The author can also be a company name.

Required: Yes

8.2.17 materialProperties

Properties related to the material.

8.2.17.1 surfaceRoughness

Information about the surface roughness of the material.

Required: Yes

8.2.17.1.1 surfaceHeightRms

Root mean square of surface height deviations.

Required: Yes

8.2.17.1.2 surfaceCorrelationLength

Correlation length of the surface height deviations.

Required: Yes

8.2.17.1.3 source

Source of the surface roughness data.

Required: Yes

8.2.17.2 emissivityData

Emissivity data of the material

Required: Yes

8.2.17.2.1 emissivityCoefficient

Emissivity describes the ability to emit energy as thermal radiation. Given as the fraction of thermal radiation emitted by a surface relative to the radiation emitted by an ideal black body at the same temperature. Here the hemispherical total emissivity is used which considers full emission over all wavelengths, directions and polarization for a given particular temperature: ε(T)

Required: Yes

8.2.17.2.2 temperature

Temperature in Kelvin [K] at which the emissivity is measured

Required: Yes

8.2.17.2.3 source

Source of the emissivity data.

Required: Yes

8.2.17.3 elasticityData

Information about the elasticity of the material.

Required: Yes

8.2.17.3.1 youngsModulus

Young’s modulus of the material in Pa.

Required: Yes

8.2.17.3.2 poissonsRatio

Poisson’s ratio of the material.

Required: Yes

8.2.17.3.3 source

Source of the elasticity data.

Required: Yes

8.2.17.4 densityData

Information about the density of the material.

Required: Yes

8.2.17.4.1 density

Density of the material in kg/m^3.

Required: Yes

8.2.17.4.2 source

Source of the density data.

Required: Yes

8.2.17.5 retroreflectivityData

Information about the retro-reflective properties of the material in the visible light spectrum.

Required: No

8.2.17.5.1 coefficientOfRetroreflection

Coefficient of retro-reflection in cd lx^-1 m^-2.

Required: No

8.2.17.5.2 source

Source of the retro-reflectivity data.

Required: Yes

8.2.17.6 electromagneticPropertiesUri

Relative path to a property lookup table file with electromagnetic material properties.

Pattern: `.*_emp\\.xompt= Material schema

8.2.18 metadata

Metadata about the material.

8.2.18.1 name

Name of the material.

Required: Yes

8.2.18.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.18.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.19 metadata

Metadata about the material.

8.2.19.1 name

Name of the material.

Required: Yes

8.2.19.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.19.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.19.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.20 metadata

Metadata about the material.

8.2.20.1 name

Name of the material.

Required: Yes

8.2.20.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.20.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.21 metadata

Metadata about the material.

8.2.21.1 name

Name of the material.

Required: Yes

8.2.21.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.21.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.21.4 materialVersion

Version of the material.

Required: Yes

8.2.21.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Pattern: `^\\d{8}T\\d{6}Z= Material schema

8.2.22 metadata

Metadata about the material.

8.2.22.1 name

Name of the material.

Required: Yes

8.2.22.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.22.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.23 metadata

Metadata about the material.

8.2.23.1 name

Name of the material.

Required: Yes

8.2.23.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.23.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.23.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.24 metadata

Metadata about the material.

8.2.24.1 name

Name of the material.

Required: Yes

8.2.24.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.24.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.25 metadata

Metadata about the material.

8.2.25.1 name

Name of the material.

Required: Yes

8.2.25.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.25.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.25.4 materialVersion

Version of the material.

Required: Yes

8.2.25.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Required: Yes

8.2.25.6 openMaterialVersion

Version of OpenMATERIAL.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.26 metadata

Metadata about the material.

8.2.26.1 name

Name of the material.

Required: Yes

8.2.26.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.26.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.27 metadata

Metadata about the material.

8.2.27.1 name

Name of the material.

Required: Yes

8.2.27.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.27.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.27.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.28 metadata

Metadata about the material.

8.2.28.1 name

Name of the material.

Required: Yes

8.2.28.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.28.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.29 metadata

Metadata about the material.

8.2.29.1 name

Name of the material.

Required: Yes

8.2.29.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.29.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.29.4 materialVersion

Version of the material.

Required: Yes

8.2.29.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Pattern: `^\\d{8}T\\d{6}Z= Material schema

8.2.30 metadata

Metadata about the material.

8.2.30.1 name

Name of the material.

Required: Yes

8.2.30.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.30.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.31 metadata

Metadata about the material.

8.2.31.1 name

Name of the material.

Required: Yes

8.2.31.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.31.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.31.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.32 metadata

Metadata about the material.

8.2.32.1 name

Name of the material.

Required: Yes

8.2.32.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.32.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.33 metadata

Metadata about the material.

8.2.33.1 name

Name of the material.

Required: Yes

8.2.33.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.33.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.33.4 materialVersion

Version of the material.

Required: Yes

8.2.33.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Required: Yes

8.2.33.6 openMaterialVersion

Version of OpenMATERIAL.

Required: Yes

8.2.33.7 copyright

Copyright information with year and company.

Required: Yes

8.2.33.8 license

License information. For common open source licenses, provide an SPDX identifier. For other types of licenses, provide an URL to a webpage with the license or the filename of a separately provided license file.

Required: Yes

8.2.33.9 author

Name or email address of the author of this material. In case of multiple authors, use comma-separation. The author can also be a company name.

Required: Yes

8.2.34 materialProperties

Properties related to the material.

8.2.34.1 surfaceRoughness

Information about the surface roughness of the material.

Required: Yes

8.2.34.1.1 surfaceHeightRms

Root mean square of surface height deviations.

Required: Yes

8.2.34.1.2 surfaceCorrelationLength

Correlation length of the surface height deviations.

Required: Yes

8.2.34.1.3 source

Source of the surface roughness data.

Required: Yes

8.2.34.2 emissivityData

Emissivity data of the material

Required: Yes

8.2.34.2.1 emissivityCoefficient

Emissivity describes the ability to emit energy as thermal radiation. Given as the fraction of thermal radiation emitted by a surface relative to the radiation emitted by an ideal black body at the same temperature. Here the hemispherical total emissivity is used which considers full emission over all wavelengths, directions and polarization for a given particular temperature: ε(T)

Required: Yes

8.2.34.2.2 temperature

Temperature in Kelvin [K] at which the emissivity is measured

Required: Yes

8.2.34.2.3 source

Source of the emissivity data.

Required: Yes

8.2.34.3 elasticityData

Information about the elasticity of the material.

Required: Yes

8.2.34.3.1 youngsModulus

Young’s modulus of the material in Pa.

Required: Yes

8.2.34.3.2 poissonsRatio

Poisson’s ratio of the material.

Required: Yes

8.2.34.3.3 source

Source of the elasticity data.

Required: Yes

8.2.34.4 densityData

Information about the density of the material.

Required: Yes

8.2.34.4.1 density

Density of the material in kg/m^3.

Required: Yes

8.2.34.4.2 source

Source of the density data.

Required: Yes

8.2.34.5 retroreflectivityData

Information about the retro-reflective properties of the material in the visible light spectrum.

Required: No

8.2.34.5.1 coefficientOfRetroreflection

Coefficient of retro-reflection in cd lx^-1 m^-2.

Required: No

8.2.34.5.2 source

Source of the retro-reflectivity data.

Required: Yes

8.2.34.6 electromagneticPropertiesUri

Relative path to a property lookup table file with electromagnetic material properties.

Required: Yes

8.2.34.7 opticalPropertiesUri

Relative path to a property lookup table file with optical material properties.

Pattern: `.*_optical\\.xompt= Material schema

8.2.35 metadata

Metadata about the material.

8.2.35.1 name

Name of the material.

Required: Yes

8.2.35.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.35.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.36 metadata

Metadata about the material.

8.2.36.1 name

Name of the material.

Required: Yes

8.2.36.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.36.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.36.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.37 metadata

Metadata about the material.

8.2.37.1 name

Name of the material.

Required: Yes

8.2.37.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.37.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.38 metadata

Metadata about the material.

8.2.38.1 name

Name of the material.

Required: Yes

8.2.38.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.38.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.38.4 materialVersion

Version of the material.

Required: Yes

8.2.38.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Pattern: `^\\d{8}T\\d{6}Z= Material schema

8.2.39 metadata

Metadata about the material.

8.2.39.1 name

Name of the material.

Required: Yes

8.2.39.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.39.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.40 metadata

Metadata about the material.

8.2.40.1 name

Name of the material.

Required: Yes

8.2.40.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.40.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.40.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.41 metadata

Metadata about the material.

8.2.41.1 name

Name of the material.

Required: Yes

8.2.41.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.41.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.42 metadata

Metadata about the material.

8.2.42.1 name

Name of the material.

Required: Yes

8.2.42.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.42.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.42.4 materialVersion

Version of the material.

Required: Yes

8.2.42.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Required: Yes

8.2.42.6 openMaterialVersion

Version of OpenMATERIAL.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.43 metadata

Metadata about the material.

8.2.43.1 name

Name of the material.

Required: Yes

8.2.43.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.43.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.44 metadata

Metadata about the material.

8.2.44.1 name

Name of the material.

Required: Yes

8.2.44.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.44.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.44.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.45 metadata

Metadata about the material.

8.2.45.1 name

Name of the material.

Required: Yes

8.2.45.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.45.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.46 metadata

Metadata about the material.

8.2.46.1 name

Name of the material.

Required: Yes

8.2.46.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.46.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.46.4 materialVersion

Version of the material.

Required: Yes

8.2.46.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Pattern: `^\\d{8}T\\d{6}Z= Material schema

8.2.47 metadata

Metadata about the material.

8.2.47.1 name

Name of the material.

Required: Yes

8.2.47.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.47.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.48 metadata

Metadata about the material.

8.2.48.1 name

Name of the material.

Required: Yes

8.2.48.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.48.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.48.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.49 metadata

Metadata about the material.

8.2.49.1 name

Name of the material.

Required: Yes

8.2.49.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.49.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.50 metadata

Metadata about the material.

8.2.50.1 name

Name of the material.

Required: Yes

8.2.50.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.50.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.50.4 materialVersion

Version of the material.

Required: Yes

8.2.50.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Required: Yes

8.2.50.6 openMaterialVersion

Version of OpenMATERIAL.

Required: Yes

8.2.50.7 copyright

Copyright information with year and company.

Required: Yes

8.2.50.8 license

License information. For common open source licenses, provide an SPDX identifier. For other types of licenses, provide an URL to a webpage with the license or the filename of a separately provided license file.

Required: Yes

8.2.50.9 author

Name or email address of the author of this material. In case of multiple authors, use comma-separation. The author can also be a company name.

Required: Yes

8.2.51 materialProperties

Properties related to the material.

8.2.51.1 surfaceRoughness

Information about the surface roughness of the material.

Required: Yes

8.2.51.1.1 surfaceHeightRms

Root mean square of surface height deviations.

Required: Yes

8.2.51.1.2 surfaceCorrelationLength

Correlation length of the surface height deviations.

Required: Yes

8.2.51.1.3 source

Source of the surface roughness data.

Required: Yes

8.2.51.2 emissivityData

Emissivity data of the material

Required: Yes

8.2.51.2.1 emissivityCoefficient

Emissivity describes the ability to emit energy as thermal radiation. Given as the fraction of thermal radiation emitted by a surface relative to the radiation emitted by an ideal black body at the same temperature. Here the hemispherical total emissivity is used which considers full emission over all wavelengths, directions and polarization for a given particular temperature: ε(T)

Required: Yes

8.2.51.2.2 temperature

Temperature in Kelvin [K] at which the emissivity is measured

Required: Yes

8.2.51.2.3 source

Source of the emissivity data.

Required: Yes

8.2.51.3 elasticityData

Information about the elasticity of the material.

Required: Yes

8.2.51.3.1 youngsModulus

Young’s modulus of the material in Pa.

Required: Yes

8.2.51.3.2 poissonsRatio

Poisson’s ratio of the material.

Required: Yes

8.2.51.3.3 source

Source of the elasticity data.

Required: Yes

8.2.51.4 densityData

Information about the density of the material.

Required: Yes

8.2.51.4.1 density

Density of the material in kg/m^3.

Required: Yes

8.2.51.4.2 source

Source of the density data.

Required: Yes

8.2.51.5 retroreflectivityData

Information about the retro-reflective properties of the material in the visible light spectrum.

Required: No

8.2.51.5.1 coefficientOfRetroreflection

Coefficient of retro-reflection in cd lx^-1 m^-2.

Required: No

8.2.51.5.2 source

Source of the retro-reflectivity data.

Required: Yes

8.2.51.6 electromagneticPropertiesUri

Relative path to a property lookup table file with electromagnetic material properties.

Pattern: `.*_emp\\.xompt= Material schema

8.2.52 metadata

Metadata about the material.

8.2.52.1 name

Name of the material.

Required: Yes

8.2.52.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.52.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.53 metadata

Metadata about the material.

8.2.53.1 name

Name of the material.

Required: Yes

8.2.53.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.53.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.53.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.54 metadata

Metadata about the material.

8.2.54.1 name

Name of the material.

Required: Yes

8.2.54.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.54.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.55 metadata

Metadata about the material.

8.2.55.1 name

Name of the material.

Required: Yes

8.2.55.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.55.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.55.4 materialVersion

Version of the material.

Required: Yes

8.2.55.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Pattern: `^\\d{8}T\\d{6}Z= Material schema

8.2.56 metadata

Metadata about the material.

8.2.56.1 name

Name of the material.

Required: Yes

8.2.56.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.56.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.57 metadata

Metadata about the material.

8.2.57.1 name

Name of the material.

Required: Yes

8.2.57.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.57.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.57.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.58 metadata

Metadata about the material.

8.2.58.1 name

Name of the material.

Required: Yes

8.2.58.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.58.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.59 metadata

Metadata about the material.

8.2.59.1 name

Name of the material.

Required: Yes

8.2.59.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.59.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.59.4 materialVersion

Version of the material.

Required: Yes

8.2.59.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Required: Yes

8.2.59.6 openMaterialVersion

Version of OpenMATERIAL.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.60 metadata

Metadata about the material.

8.2.60.1 name

Name of the material.

Required: Yes

8.2.60.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.60.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.61 metadata

Metadata about the material.

8.2.61.1 name

Name of the material.

Required: Yes

8.2.61.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.61.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.61.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.62 metadata

Metadata about the material.

8.2.62.1 name

Name of the material.

Required: Yes

8.2.62.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.62.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.63 metadata

Metadata about the material.

8.2.63.1 name

Name of the material.

Required: Yes

8.2.63.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.63.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.63.4 materialVersion

Version of the material.

Required: Yes

8.2.63.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Pattern: `^\\d{8}T\\d{6}Z= Material schema

8.2.64 metadata

Metadata about the material.

8.2.64.1 name

Name of the material.

Required: Yes

8.2.64.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.64.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.65 metadata

Metadata about the material.

8.2.65.1 name

Name of the material.

Required: Yes

8.2.65.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.65.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.65.4 materialVersion

Version of the material.

Pattern: `^\\d+\\.\\d+\\.\\d+= Material schema

8.2.66 metadata

Metadata about the material.

8.2.66.1 name

Name of the material.

Required: Yes

8.2.66.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.66.3 uuid

Universally unique identifier for the material.

Pattern: `^[a-f0-9]{32}= Material schema

8.2.67 metadata

Metadata about the material.

8.2.67.1 name

Name of the material.

Required: Yes

8.2.67.2 description

Short description of the material in 2 - 3 sentences.

Required: Yes

8.2.67.3 uuid

Universally unique identifier for the material.

Required: Yes

8.2.67.4 materialVersion

Version of the material.

Required: Yes

8.2.67.5 creationDate

Creation date of the material in the format YYYYMMDDTHHMMSSZ.

Required: Yes

8.2.67.6 openMaterialVersion

Version of OpenMATERIAL.

Required: Yes

8.2.67.7 copyright

Copyright information with year and company.

Required: Yes

8.2.67.8 license

License information. For common open source licenses, provide an SPDX identifier. For other types of licenses, provide an URL to a webpage with the license or the filename of a separately provided license file.

Required: Yes

8.2.67.9 author

Name or email address of the author of this material. In case of multiple authors, use comma-separation. The author can also be a company name.

Required: Yes

8.2.68 materialProperties

Properties related to the material.

8.2.68.1 surfaceRoughness

Information about the surface roughness of the material.

Required: Yes

8.2.68.1.1 surfaceHeightRms

Root mean square of surface height deviations.

Required: Yes

8.2.68.1.2 surfaceCorrelationLength

Correlation length of the surface height deviations.

Required: Yes

8.2.68.1.3 source

Source of the surface roughness data.

Required: Yes

8.2.68.2 emissivityData

Emissivity data of the material

Required: Yes

8.2.68.2.1 emissivityCoefficient

Emissivity describes the ability to emit energy as thermal radiation. Given as the fraction of thermal radiation emitted by a surface relative to the radiation emitted by an ideal black body at the same temperature. Here the hemispherical total emissivity is used which considers full emission over all wavelengths, directions and polarization for a given particular temperature: ε(T)

Required: Yes

8.2.68.2.2 temperature

Temperature in Kelvin [K] at which the emissivity is measured

Required: Yes

8.2.68.2.3 source

Source of the emissivity data.

Required: Yes

8.2.68.3 elasticityData

Information about the elasticity of the material.

Required: Yes

8.2.68.3.1 youngsModulus

Young’s modulus of the material in Pa.

Required: Yes

8.2.68.3.2 poissonsRatio

Poisson’s ratio of the material.

Required: Yes

8.2.68.3.3 source

Source of the elasticity data.

Required: Yes

8.2.68.4 densityData

Information about the density of the material.

Required: Yes

8.2.68.4.1 density

Density of the material in kg/m^3.

Required: Yes

8.2.68.4.2 source

Source of the density data.

Required: Yes

8.2.68.5 retroreflectivityData

Information about the retro-reflective properties of the material in the visible light spectrum.

Required: No

8.2.68.5.1 coefficientOfRetroreflection

Coefficient of retro-reflection in cd lx^-1 m^-2.

Required: No

8.2.68.5.2 source

Source of the retro-reflectivity data.

Required: Yes

8.2.68.6 electromagneticPropertiesUri

Relative path to a property lookup table file with electromagnetic material properties.

Required: Yes

8.2.68.7 opticalPropertiesUri

Relative path to a property lookup table file with optical material properties.

Required: No

8.2.68.8 brdfUris

Relative paths to one or multiple property lookup table files with wavelength-dependent bidirectional reflectance distribution functions.

Required: No