``ALS012`` Alignment segment start and length attribute types - v1
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.. parsed-literal::

   001 | \@informal-proposition
   002 | \@ALS
   003 | \@version1
   004 | 
   005 | Feature: ALS012 - Alignment segment start and length attribute types
   006 | 
   007 |   The rule verifies that an alignment segment uses the correct IfcLengthMeasure type
   008 |   for attributes SegmentStart and SegmentLength.
   009 |   Ref: [Issue #141](https://github.com/buildingSMART/ifc-gherkin-rules/issues/141)
   010 | 
   011 | Scenario Outline: Correct entity type used for SegmentStart and Segment Length
   012 |   :doc:`Given A model with Schema 'IFC4.3' </steps/givensattributespy_Afile_or_modelwithfieldvalues>`
   013 |   :doc:`Given An .IfcAlignment. </steps/stepsentity_selectionpy_Anentity_opt_stmt>`
   014 |   :doc:`Given Its attribute .Representation. </steps/stepsattribute_selectionpy_Itsattributeattribute>`
   015 |   :doc:`Given Its attribute .Representations. </steps/stepsattribute_selectionpy_Itsattributeattribute>`
   016 |   :doc:`Given All referenced instances </steps/givensentitiespy_Allreferencedinstances>`
   017 |   :doc:`Given [Its Entity Type] ^is^ '\<entity\>' </steps/stepsattribute_valuepy_attributecomparison_operatorequal_or_not_equalvalue>`
   018 |   :doc:`Given its attribute .Segments. </steps/stepsattribute_selectionpy_Itsattributeattribute>`
   019 |   :doc:`Given [Its Entity Type] ^is^ 'IfcCurveSegment' </steps/stepsattribute_valuepy_attributecomparison_operatorequal_or_not_equalvalue>`
   020 | 
   021 |   :doc:`Then The type of attribute .\<attribute\>. must be 'IfcLengthMeasure' </steps/thensattributespy_Thetypeofattributeattributemustbeexpected_entity_type>`
   022 | 
   023 |   Examples:
   024 |     | entity                      | attribute     |
   025 |     | IfcCompositeCurve           | SegmentStart  |
   026 |     | IfcCompositeCurve           | SegmentLength |
   027 |     | IfcGradientCurve            | SegmentStart  |
   028 |     | IfcGradientCurve            | SegmentLength |
   029 |     | IfcSegmentedReferenceCurve  | SegmentStart  |
   030 |     | IfcSegmentedReferenceCurve  | SegmentLength |

.. rubric:: Version history

.. list-table::
   :header-rows: 1

   * - Version
     - Tag
     - Date
     - Commit
     - Rule link
   * - v1
     - :tag:`v0.6.6`
     - 2024-06-28
     - :commit:`e6280d3556f121d39b2a8f93d3cc9c8eddae7a29`
     - `view <https://github.com/buildingSMART/ifc-gherkin-rules/blob/release/0.6.6/features/ALS012_Alignment-segment-start-and-length-attribute-types.feature>`_