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Changelog¤

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased¤

Added¤

  • Added compas_model.algorithms.contacts.brepface_brepface_overlap_holes to compute the precise interface between two brep faces.

Changed¤

  • Fixed bug in compas_model.elements.plate.Plate.compute_obb.
  • Fixed bug in contact detection due to failing vector matching in compas_model.algorithms.contacts.
  • Changed compas_model.algorithms.contacts.brep_brep_contacts to use brepface_brepface_overlap_holes to refine the contact geometry of brepfaes that have already been found to be in contact.
  • Changed compas_model.interactions.contact.Contact to register holes in the contact geometry.
  • Changed compas_model.interactions.contact.Contact to compute a precise brep geometry of the contact, including holes if they are present.

Removed¤

[0.9.2] 2025-11-14¤

Added¤

Changed¤

  • Fixed typing error in Element.material assignment.
  • Changed (temporarily) polygon_polygon_overlap to not check for exactly opposite vectors.

Removed¤

[0.9.1] 2025-09-09¤

Added¤

  • Added compas_viewer to requirements-viz.txt.
  • Added compas_notebook to requirements-viz.txt.

Changed¤

Removed¤

  • Removed compas_viewer from requirements.txt.
  • Removed compas_notebook from requirements-dev.txt.

[0.9.0] 2025-09-06¤

Added¤

  • Added Model.has_element_with_name.
  • Added Model.find_element_with_name.
  • Added Model.find_element_with_name_or_fail.
  • Added Model.find_all_elements_of_type.
  • Added Model.remove_elements_of_type.
  • Added Model.add_or_get_material.
  • Added lazy-computed compas_model.elements.Element.surface_mesh property.
  • Added lazy_computed compas_model.elements.Element.volumetric_mesh property.
  • Added compas_model.elements.Element.compute_surface_mesh property.
  • Added compas_model.elements.Element.compute_volumetric_mesh property.

Changed¤

  • Changed compas_model.elements.Element.transform to apply the new transformation on top of the current one, instead of replacing it.

Removed¤

  • Removed lazy-computed compas_model.elements.Element.femesh2 property.
  • Removed lazy_computed compas_model.elements.Element.femesh3 property.
  • Removed compas_model.elements.Element.compute_femesh2 property.
  • Removed compas_model.elements.Element.compute_femesh3 property.

[0.8.0] 2025-06-04¤

Added¤

  • Added back Group Element.
  • Added ElementObject and ModelElement for compas_viewer.
  • Added compas_model.algorithms.brep_brep_contacts for calculation of simple, flat contacts between two breps.
  • Added compas_model.models.Model.contacts iterator.
  • Added brep_brep_contacts for calculation of contacts between elements with brep geometry.
  • Added compas_model.datastructures.BVHNode.add to take care of depth value.
  • Added compas_model.elements.Element.apply_modifiers.
  • Added compas_model.elements.Element.material setter.
  • Added lazy-computed compas_model.elements.Element.femesh2 property.
  • Added lazy_computed compas_model.elements.Element.femesh3 property.
  • Added compas_model.elements.Element.compute_femesh2 property.
  • Added compas_model.elements.Element.compute_femesh3 property.
  • Added compas_model.modifiers.
  • Added compas_model.modifiers.Modifier.
  • Added compas_model.models.Model.add_modifier.

Changed¤

  • Updated existing ElementObject and ModelElement for renewed SceneObject APIs.
  • Changed compas_model.interactions.Contact to require only points, and lazy calculate all other attributes only when not explicitly provided.
  • Changed compas_model.models.Model.compute_contacts to use BVH with OOB nodes for calculation of contact candidates.
  • Changed default parmeter value of inflate in compas_model.elements.Element.compute_aabb.
  • Changed default parmeter value of inflate in compas_model.elements.Element.compute_obb.
  • Changed default parmeter value of inflate in compas_model.elements.Element.compute_collision_mesh.
  • Changed default parmeter value of inflate in compas_model.elements.Beam.compute_aabb.
  • Changed default parmeter value of inflate in compas_model.elements.Beam.compute_obb.
  • Changed default parmeter value of inflate in compas_model.elements.Column.compute_aabb.
  • Changed default parmeter value of inflate in compas_model.elements.Column.compute_obb.
  • Changed default parmeter value of inflate in compas_model.elements.Plate.compute_aabb.
  • Changed default parmeter value of inflate in compas_model.elements.Plate.compute_obb.
  • Fixed bug in compas_model.elements.Beam.compute_aabb.
  • Fixed bug in compas_model.elements.Beam.compute_obb.
  • Fixed bug in compas_model.elements.Column.compute_aabb.
  • Fixed bug in compas_model.elements.Column.compute_obb.
  • Fixed bug in compas_model.elements.Plate.compute_aabb.
  • Fixed bug in compas_model.elements.Plate.compute_obb.
  • Changed compas_model.model.Model.elements to property.
  • Changed compas_model.model.Model.materials to property.
  • Changed compas_model.model.Model.contacts to property.
  • Changed compas_model.model.Element.compute_modelgeometry to use new modifier implementation.
  • Changed BVH to use AABB by default.
  • Changed interaction graph to store elements by guid reference.
  • Changed root node of element tree to default TreeNode.
  • Changed ElementNode to require Element.

Removed¤

  • Removed modifier methods from compas_model.elements.Beam.
  • Removed modifier methods from compas_model.elements.Column.
  • Removed Shape from parameter options in compas_model.elements.Element.
  • Removed compas_model.interactions.modifiers.
  • Removed compas_model.models.Model.compute_collisions.
  • Removed compas_model.models.Model.add_elements.

[0.7.0] 2025-03-12¤

Added¤

Changed¤

  • Changed calculation of element transformation to include transformation of model.
  • Changed serialisation to include transformation of model.

Removed¤

[0.6.1] 2025-02-01¤

Added¤

Changed¤

  • Fixed bug in compas_model.models.Model.transformation.
  • BVH and KDTree search combination in compas_model.models.Model.compute_contacts.
  • Clean-up of mesh boolean triangulation in compas_model.interactions.modifiers.boolean_modifier.

Removed¤

[0.6.0] 2025-01-30¤

Added¤

Changed¤

  • Changed compas_model.elements.Element.compute_modeltransformation to use only the stack of transformations of its ancestors. Each transformation in the stack defines the change from local to world coordinates of the corresponding element.

Removed¤

  • Removed compas_model.models.Model.frame.

[0.5.1] 2025-01-22¤

Added¤

Changed¤

  • Fixed bug in compas_model.models.Model.compute_contacts resulting from completely skipping existing edges.
  • Fixed bug in import of boolean_difference_mesh_mesh.

Removed¤

[0.5.0] 2025-01-21¤

Added¤

  • Added reference to model Element.model to Element.
  • Added Element.modelgeometry as the cached geometry of an element in model coordinates, taking into account the modifying effect of interactions with other elements.
  • Added Element.modeltransformation as the cached transformation from element to model coordinates.
  • Added Element.compute_elementgeometry().
  • Added Element.compute_modelgeometry() to replace Element.compute_geometry().
  • Added Element.compute_modeltransformation() to replace Element.compute_worldtransformation().
  • Added Element.is_dirty.
  • Added compas_model.geometry.minkowski_sum_xy to compute the Minkowski sum A + B of two convex polygons in the XY plane.
  • Added compas_model.geometry.minkowski_difference_xy as a convenience method to compute A + -B.
  • Added compas_model.geometry.is_collision_poly_poly_xy to check for collisions between convex polygons in the XY plane.
  • Added compas_model.geometry.intersection_ray_triangle.
  • Added compas_model.geometry.intersections_line_aabb.
  • Added compas_model.geometry.intersections_line_box.
  • Added compas_model.geometry.intersections_ray_aabb.
  • Added compas_model.geometry.intersections_ray_box.
  • Added compas_model.geometry.is_intersection_box_box.
  • Added compas_model.geometry.is_intersection_line_aabb.
  • Added compas_model.geometry.is_intersection_line_box.
  • Added compas_model.geometry.is_intersection_ray_aabb.
  • Added compas_model.geometry.is_intersection_ray_box.
  • Added compas_model.geometry.is_intersection_segment_aabb.
  • Added compas_model.geometry.is_intersection_segment_box.
  • Added compas_model.geometry.pca_box for fast OBB calculation.
  • Added compas_model.algorithms.mesh_mesh_contacts.
  • Added compas_model.datastructures.BVH extending the base compas tree data structure into a bounding volume hierarchy.
  • Added compas_model.datastructures.AABBNode representing a node of the BVH using an axis-aligned bounding box.
  • Added compas_model.datastructures.OBBNode representing a node of the BVH using an oriented bounding box.
  • Added compas_model.datastructures.KDTree for nearest neighbour search among elements.
  • Added compas_model.models.bvh.ElementBVH.
  • Added compas_model.models.bvh.ElementAABBNode.
  • Added compas_model.models.bvh.ElementOBBNode.
  • Added compas_model.elements.BeamElement.
  • Added compas_model.elements.ColumnElement.
  • Added compas_model.elements.PlateElement.
  • Added compas_model.models.Model.collisions iterator.
  • Added compas_model.models.graph.InteractionGraph.clear_edges.

Changed¤

  • Changed Element.graph_node to Element.graphnode.
  • Changed Element.tree_node to Element.treenode.
  • Fixed bug in deserialisation (element.model was not set properly).

Removed¤

  • Removed model reference ElementTree.model from ElementTree.
  • Removed InterfaceElement from elements.
  • Removed BlockModel.
  • Removed BlockElement.
  • Removed model_interfaces.
  • Removed model_overlaps.

[0.4.5] 2024-12-11¤

Added¤

  • Added compas_model.elements.Element.parent as alias for compas_model.elements.Element.tree_node.parent.
  • Added missing graph node reference to elements during deserialisation process.

Changed¤

  • Moved method parameter to element atribute compas_model.elements.Element.include_features.
  • Moved method parameter to element atribute compas_model.elements.Element.inflate_aabb.
  • Moved method parameter to element atribute compas_model.elements.Element.inflate_obb.
  • Changed compas_model.elements.Element.compute_worldtransformation to include frame of model.
  • Changed compas_model.models.elementnode.ElementNode to include children (previous functionality of GroupNode).
  • Changed root of element tree to element node instead of group node.
  • Changed deserialisation process of model according to removal of group node.

Removed¤

  • Removed compas_model.models.groupnode.GroupNode.

[0.4.4] 2024-06-13¤

Added¤

Changed¤

  • Restored backwards compatibility with Python2.7 in core modules.

Removed¤

[0.4.3] 2024-05-15¤

Added¤

  • Added scale for blockmodel forces in custom blockmodel viewer.

Changed¤

  • Changed minimum size of area for interface detection in blockmodel_interfaces.

Removed¤

[0.4.2] 2024-05-14¤

Added¤

Changed¤

Removed¤

[0.4.1] 2024-05-12¤

Added¤

Changed¤

Removed¤

[0.4.0] 2024-05-12¤

Added¤

  • Added implementation for Model.has_interaction.
  • Added property Model.interactionlist.
  • Added Model.add_material.
  • Added Model.assign_material.
  • Added Model.has_material.
  • Added Model.elements iterator.
  • Added Model.materials iterator.
  • Added Model.interactions iterator.
  • Added read-only Element.material.
  • Added compas_model.materials.Material.
  • Added compas_model.materials.Concrete.
  • Added compas_model.materials.Timber (stub imlementation).
  • Added compas_model.interactions.ContactInteraction based on compas_assembly.datastructures.Interface.
  • Added compas_model.algorithms.blockmodel_interfaces for interface detection of "block models".
  • Added compas_model.elements.block.BlockGeometry based on compas_assembly.datastructures.Block.
  • Added compas_model.analysis.cra_penalty_solve as wrapper for compas_cra.equilibrium.cra_penalty_solve.

Changed¤

  • Fixed Model.elementdict and Model.elementlist return None after (de)serialization.
  • Changed Model.edge_interaction to Model.edge_interactions.
  • Changed Model.remove_interaction to accept optional interaction parameter (currently raising NotImplementedError).
  • Fixed bug in serialisation of interaction graph, by converting node element attributes to guid strings on a copy of the node attribute dict instead of the original.
  • Changed compas_model.model to compas_model.models.

Removed¤

  • Removed reference to model in ElementTree.
  • Removed Model.elementslist.
  • Removed Model.materialslist.
  • Removed Model.elementsdict.

[0.3.0] 2024-03-08¤

Added¤

Changed¤

Removed¤

[0.2.0] 2024-03-08¤

Added¤

  • Added compas_model.model.Model.
  • Added compas_model.model.ElementNode.
  • Added compas_model.model.GroupNode.
  • Added compas_model.model.ElementTree.
  • Added compas_model.model.InteractionGraph.
  • Added compas_model.elements.Element.
  • Added compas_model.elements.Feature.
  • Added compas_model.elements.BlockElement.
  • Added compas_model.elements.BlockFeature.
  • Added compas_model.elements.InterfaceElement.
  • Added compas_model.elements.InterfaceFeature.
  • Added compas_model.elements.PlateElement.
  • Added compas_model.elements.PlateFeature.
  • Added compas_model.interactions.Interaction.
  • Added compas_model.algorithms.collider.
  • Added compas_model.scene.BlockObject.
  • Added compas_model.scene.ElementObject.
  • Added compas_model.scene.ModelObject.
  • Added compas_model.notebook.scene.ThreeBlockObject.
  • Added compas_model.notebook.scene.ThreeElementObject.
  • Added compas_model.notebook.scene.ThreeModelObject.
  • Added compas_model.elements_connected_by.
  • Added plugin for installable_rhino_package.
  • Added PlateElement and PlateFeature to 2nd level imports.

Changed¤

  • Fixed cannot import compas_model.elements in Rhino.

Removed¤