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src/bonsai/docs/users/modeling/understanding_ifc.rst

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+=================
+Understanding IFC
+=================
+
+Industry Foundation Classes (IFC) is an open, international standard for Building Information Modeling (BIM) data.
+It provides a standardized way to describe, exchange, and share information about building and construction industry data.
+
+IFC Schema
+----------
+
+The IFC schema defines a comprehensive set of consistent data representations of building information for exchange between AEC software applications.
+It covers various aspects of buildings throughout their lifecycle, from conception to demolition.
+
+
+buildingSMART and Standards
+---------------------------
+
+buildingSMART International (bSI) is the organization responsible for developing and maintaining the IFC standard.
+They also develop other related standards like BCF (BIM Collaboration Format) and bSDD (buildingSMART Data Dictionary).
+
+IfcOpenShell
+------------
+
+IfcOpenShell is the open-source software library used by BlenderBIM to read, write, and manipulate IFC files.
+It provides the core functionality for working with IFC data.
+
+Interoperability and Other Standards
+------------------------------------
+
+IFC is part of a broader ecosystem of open standards in the AEC industry. Other relevant standards include:
+
+- COBie (Construction Operations Building Information Exchange)
+- CityGML (City Geography Markup Language)
+- gbXML (Green Building XML)
+
+The use of open standards like IFC ensures interoperability between different software tools
+and preserves data integrity throughout the building lifecycle.
+
+
+Key Concepts
+============
+
+This section provides an overview of key IFC concepts and how they're implemented in BlenderBIM.
+
+
+.. only:: builder_html and (not singlehtml)
+
+   .. container:: toc-cards
+
+      .. container:: card
+
+         :doc:`ifc_concepts/spatial_objects`
+            Basic spatial objects.
+
+      .. container:: card
+
+         :doc:`ifc_concepts/classification_and_types`
+            IFC classification hierarchy and the concept of types and occurrences.
+
+      .. container:: card
+
+         :doc:`ifc_concepts/geometry_and_representations`
+            Understanding IFC geometry, representations, and parametric materials.
+
+      .. container:: card
+
+         :doc:`ifc_concepts/working_with_representations`
+            Representations in BlenderBIM.
+
+.. container:: global-index-toc
+
+   .. toctree::
+      :hidden:
+      :caption: Understanding IFC
+      :maxdepth: 2
+
+      ifc_concepts/spatial_objects
+      ifc_concepts/classification_and_types
+      ifc_concepts/geometry_and_representations
+      ifc_concepts/working_with_representations