GLTFContent

class compas.files.GLTFContent[source]

Bases: object

Class for managing the content of a glTF file.

Attributes

  • scenes (dict) – Dictionary containing (int, compas.files.GLTFScene) pairs.

  • default_scene_key (int or None) – Key of the scene to be displayed on loading the glTF.

  • nodes (dict) – Dictionary containing (int, compas.files.GLTFNode) pairs.

  • meshes (dict) – Dictionary containing (int, compas.files.GLTFMesh) pairs.

  • cameras (dict) – Dictionary containing (int, compas.files.data_classes.CameraData) pairs.

  • animations (dict) – Dictionary containing (int, compas.files.data_classes.AnimationData) pairs.

  • skins (dict) – Dictionary containing (int, compas.files.data_classes.SkinData) pairs.

  • materials (dict) – Dictionary containing (int, compas.files.data_classes.MaterialData) pairs.

  • textures (dict) – Dictionary containing (int, compas.files.data_classes.TextureData) pairs.

  • samplers (dict) – Dictionary containing (int, compas.files.data_classes.SamplerData) pairs.

  • images (dict) – Dictionary containing (int, compas.files.data_classes.ImageData) pairs.

  • extras (object)

  • extensions (object)

Methods

__init__()

Initialize self.

add_child_to_node(parent_node[, child_name, …])

Creates a compas.files.GLTFNode and adds this node to the children of parent_node.

add_mesh(mesh)

Creates a compas.files.GLTFMesh object from a compas mesh, and adds this to the content.

add_mesh_to_node(node, mesh)

Adds an existing mesh to node if mesh is a valid mesh key, or through add_mesh creates and adds a mesh to node.

add_node_to_scene(scene[, node_name, …])

Creates a compas.files.GLTFNode and adds this node to the children of scene.

add_scene([name, extras])

Adds a scene to the content.

check_if_forest()

Raises an exception if compas.files.GLTFContent.nodes is not a disjoint union of rooted trees.

get_node_faces(node)

Returns the faces of the mesh at node, if any.

get_node_vertices(node)

Returns the vertices of the mesh at node, if any.

get_nodes_from_scene(scene)

Returns dictionary of nodes in the given scene, without a specified root.

get_scene_positions_and_edges(scene)

Returns a tuple containing a dictionary of positions and a list of tuples representing edges.

remove_orphans()

Removes orphaned objects.

update_node_transforms_and_positions()

Walks through all nodes and updates their transforms and positions.

update_scene_transforms_and_positions(scene)

Walks through the scene tree and updates transforms and positions.