4.4.1.3 Grid Attributes

Grids may be used to provide a layout reference for building elements.

Figure 126 illustrates an instance diagram.

Grid AttributesIfcGridIfcGridAxisIfcLabelIfcIndexedPolyCurveIfcCircleIfcBooleanIfcGridAxisIfcLabelIfcIndexedPolyCurveIfcCircleIfcBooleanIfcGridAxisIfcGridTypeEnum

Figure 126 — Grid Attributes

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="9c7b470d-978a-40fa-a777-449b40588800" name="Grid Attributes" applicableSchema="IFC4" applicableEntity="IfcGrid">
  <Rules>
    <AttributeRule AttributeName="PredefinedType">
      <EntityRules>
        <EntityRule EntityName="IfcGridTypeEnum" />
      </EntityRules>
    </AttributeRule>
    <AttributeRule RuleID="UAxes" AttributeName="UAxes">
      <EntityRules>
        <EntityRule EntityName="IfcGridAxis">
          <AttributeRules>
            <AttributeRule AttributeName="AxisTag">
              <EntityRules>
                <EntityRule EntityName="IfcLabel" />
              </EntityRules>
            </AttributeRule>
            <AttributeRule AttributeName="AxisCurve">
              <EntityRules>
                <EntityRule EntityName="IfcIndexedPolyCurve" />
                <EntityRule EntityName="IfcCircle" />
              </EntityRules>
            </AttributeRule>
            <AttributeRule AttributeName="SameSense">
              <EntityRules>
                <EntityRule EntityName="IfcBoolean" />
              </EntityRules>
            </AttributeRule>
          </AttributeRules>
        </EntityRule>
      </EntityRules>
    </AttributeRule>
    <AttributeRule RuleID="VAxes" AttributeName="VAxes">
      <EntityRules>
        <EntityRule EntityName="IfcGridAxis">
          <AttributeRules>
            <AttributeRule AttributeName="AxisTag">
              <EntityRules>
                <EntityRule EntityName="IfcLabel" />
              </EntityRules>
            </AttributeRule>
            <AttributeRule AttributeName="AxisCurve">
              <EntityRules>
                <EntityRule EntityName="IfcIndexedPolyCurve" />
                <EntityRule EntityName="IfcCircle" />
              </EntityRules>
            </AttributeRule>
            <AttributeRule AttributeName="SameSense">
              <EntityRules>
                <EntityRule EntityName="IfcBoolean" />
              </EntityRules>
            </AttributeRule>
          </AttributeRules>
        </EntityRule>
      </EntityRules>
    </AttributeRule>
    <AttributeRule RuleID="WAxes" AttributeName="WAxes">
      <EntityRules>
        <EntityRule EntityName="IfcGridAxis" />
      </EntityRules>
    </AttributeRule>
  </Rules>
</ConceptTemplate>

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