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

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.