4.8.1.16 Voxel Geometry

Figure 254 illustrates an instance diagram.

Voxel GeometryIfcProductIfcProductDefinitionShapeIfcShapeRepresentationIfcGeometricRepresentationContextIfcLabelIfcLabelIfcVoxelGridIfcIndexedColourMapIfcColourRgbListIfcNormalisedRatioMeasure

Figure 254 — Voxel Geometry

mvdXML Specification
<?xml version="1.0" encoding="utf-8"?>
<ConceptTemplate xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" uuid="61994f0d-0511-46a5-a46e-2a5035476d76" name="Voxel Geometry" applicableSchema="IFC4" applicableEntity="IfcProduct">
  <Rules>
    <AttributeRule AttributeName="Representation">
      <EntityRules>
        <EntityRule EntityName="IfcProductDefinitionShape">
          <AttributeRules>
            <AttributeRule AttributeName="Name" />
            <AttributeRule AttributeName="Description" />
            <AttributeRule AttributeName="Representations">
              <EntityRules>
                <EntityRule EntityName="IfcShapeRepresentation">
                  <AttributeRules>
                    <AttributeRule AttributeName="ContextOfItems">
                      <EntityRules>
                        <EntityRule EntityName="IfcGeometricRepresentationContext" />
                      </EntityRules>
                    </AttributeRule>
                    <AttributeRule RuleID="Identifier" AttributeName="RepresentationIdentifier">
                      <EntityRules>
                        <EntityRule EntityName="IfcLabel">
                          <Constraints>
                            <Constraint Expression="Identifier[Value] = 'Body'" />
                          </Constraints>
                        </EntityRule>
                      </EntityRules>
                    </AttributeRule>
                    <AttributeRule RuleID="Type" AttributeName="RepresentationType">
                      <EntityRules>
                        <EntityRule EntityName="IfcLabel">
                          <Constraints>
                            <Constraint Expression="Type[Value] = 'Voxel'" />
                          </Constraints>
                        </EntityRule>
                      </EntityRules>
                    </AttributeRule>
                    <AttributeRule AttributeName="Items">
                      <EntityRules>
                        <EntityRule EntityName="IfcVoxelGrid">
                          <AttributeRules>
                            <AttributeRule AttributeName="HasColours">
                              <EntityRules>
                                <EntityRule EntityName="IfcIndexedColourMap">
                                  <AttributeRules>
                                    <AttributeRule AttributeName="Colours">
                                      <EntityRules>
                                        <EntityRule EntityName="IfcColourRgbList">
                                          <AttributeRules>
                                            <AttributeRule AttributeName="ColourList">
                                              <EntityRules>
                                                <EntityRule EntityName="IfcNormalisedRatioMeasure" />
                                              </EntityRules>
                                            </AttributeRule>
                                          </AttributeRules>
                                        </EntityRule>
                                      </EntityRules>
                                    </AttributeRule>
                                  </AttributeRules>
                                </EntityRule>
                              </EntityRules>
                            </AttributeRule>
                          </AttributeRules>
                        </EntityRule>
                      </EntityRules>
                    </AttributeRule>
                  </AttributeRules>
                </EntityRule>
              </EntityRules>
            </AttributeRule>
          </AttributeRules>
        </EntityRule>
      </EntityRules>
    </AttributeRule>
  </Rules>
</ConceptTemplate>

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