buildingSMART Validation Service

Contents

  • Validation Service Rule Definitions
    • Alignment (ALB)
    • Alignment geometry (ALS)
      • ALS000 Alignment geometry - v1
      • ALS004 Alignment segment shape representation - v2
      • ALS005 Alignment shape representation - v3
      • ALS006 Alignment horizontal shape representation - v1
      • ALS007 Alignment vertical shape representation - v2
      • ALS008 Alignment cant shape representation - v1
      • ALS010 Alignment segment shape representation has the correct number of items - v1
      • ALS011 Alignment segment entity type consistency - v3
      • ALS012 Alignment segment start and length attribute types - v1
      • ALS015 Alignment representation zero length final segment - v3
      • ALS016 Alignment horizontal segment geometric continuity - v3
      • ALS017 Alignment vertical segment geometric continuity - v4
    • Annotations (ANN)
    • Assemblies (ASM)
    • Axis geometry (AXG)
    • Bounding box (BBX)
    • Built elements (BLT)
    • Boundary Representation (BREP) (BRP)
    • Classification reference (CLS)
    • Presentation Colours & Textures (CTX)
    • Grid placement (GDP)
    • Geometry representation (GEM)
    • Georeferencing (GRF)
    • Groups (GRP)
    • IFC (IFC)
    • Presentation layer (LAY)
    • Linear placement (LIP)
    • Local placement (LOP)
    • Materials (MAT)
    • Mapped geometry (MPD)
    • Object placement (OJP)
    • Objects typing (OJT)
    • Project definition (PJS)
    • Ports Connectivity & Nesting (POR)
    • Properties for object (PSE)
    • Quantities for objects (QTY)
    • Spaces (SPA)
    • Spatial breakdown (SPS)
    • Sweeps (i.e. extrusions, lofts, blends) (SWE)
    • SYS (SYS)
    • Tessellated (i.e. meshes) (TAS)
    • Versioning & Revision Control (VER)
    • Virtual elements (VRT)
  • Behave Step Implementations
buildingSMART Validation Service
  • Validation Service Rule Definitions
  • Alignment geometry (ALS)
  • View page source

Alignment geometry (ALS)

This involves representing the geometry using a collection of segments that define a linear path in 3D space. This can be useful for representing linear objects such as roads, railways, or pipelines.

  • ALS000 Alignment geometry - v1
  • ALS004 Alignment segment shape representation - v2
  • ALS005 Alignment shape representation - v3
  • ALS006 Alignment horizontal shape representation - v1
  • ALS007 Alignment vertical shape representation - v2
  • ALS008 Alignment cant shape representation - v1
  • ALS010 Alignment segment shape representation has the correct number of items - v1
  • ALS011 Alignment segment entity type consistency - v3
  • ALS012 Alignment segment start and length attribute types - v1
  • ALS015 Alignment representation zero length final segment - v3
  • ALS016 Alignment horizontal segment geometric continuity - v3
  • ALS017 Alignment vertical segment geometric continuity - v4
Previous Next

© Copyright 2026, buildingSMART International.

Built with Sphinx using a theme provided by Read the Docs.