omni.usd Functions

Functions Summary:

attr_has_timesample_on_key

Internal. If attribute has authored value to the specific time code.

can_be_copied

Internal. If the prim can be copied. A prim can be copied means the prim is authored to the local layer stack directly.

can_prim_have_children

Internal. If a prim can have children authored.

check_ancestral

Check if prim is brought into composition by its ancestor.

clear_attr_val_at_time

Clears attribute at specified timecode.

copy_timesamples_from_weaker_layer

Internal. Copy timesamples of the attribute from weak layer to the current edit target.

correct_filename_case

Internal.

create_material_input

Creates a material input.

duplicate_prim

Duplicate prim.

find_path_in_nodes

Internal. Finds specific spec recursively from node’s layer stack.

find_spec_on_session_or_its_sublayers

Finds spec in the session layer or its sublayers.

gather_default_attributes

Internal. Gets default attributes for specific prim type.

get_all_sublayers

Gets all sublayers from local layer stack of the stage ranking from strongest to weakest.

get_attribute_effective_defaultvalue_layer_info

Internal. Gets the strength type and layer for the default value of the attribute.

get_attribute_effective_timesample_layer_info

Internal. Gets the strength type and layer for the timesamples of the attribute.

get_attribute_effective_value_layer_info

Internal. Gets the strength type and layer for the default value or timesamples of the attribute.

get_authored_prim

Internal.

get_composed_payloads_from_prim

Gets composed payload list from prim.

get_composed_references_from_prim

Gets composed reference list from prim.

get_context_from_stage

Gets corresponding UsdContext of the stage if it’s found.

get_dirty_layers

Gets all dirty layers that have unsaved changes.

get_edit_target_identifier

Gets the layer identifier of current edit target.

get_frame_time

Internal. Utility to convert time code into frame time.

get_frame_time_code

Internal. Utility to convert fps into time code.

get_geometry_standard_prim_list

Gets a list of pre-defined geometry types.

get_introducing_layer

Gets the introducing layer.

get_light_prim_list

Gets a list of pre-defined light types.

get_local_transform_SRT

Internal. Return a tuple of [scale, rotation, rotation_order, translate] for given prim.

get_local_transform_matrix

Gets local transform matrix of specific time code from prim.

get_prim_at_path

Internal. Gets prim at specific path.

get_prim_descendents

Internal. Returns all descendants for a given prim.

get_prop_at_path

Internal. Gets property at specific path.

get_prop_auto_target_session_layer

Get property auto retarget layer.

get_sdf_layer

Internal. Gets the introducing layer of the prim.

get_shader_from_material

get_stage_next_free_path

Gets a new prim path that doesn’t exist in the stage given a base path.

get_subidentifier_from_material

Deprecated. Use {py:func}`omni.kit.material.library.get_subidentifier_from_material` instead.

get_subidentifier_from_mdl

Deprecated. Use {py:func}`omni.kit.material.library.get_subidentifier_from_mdl` instead.

get_timesamples_count_in_authoring_layer

Internal. Gets the count of timesamples of the attribute in the current edit target.

get_url_from_prim

Returns url of Prim when authored reference or None.

get_world_transform_matrix

Gets work transform matrix of specific time code from prim.

handle_exception

Decorator to print exception in async functions.

is_ancestor_prim_type

Internal. If any parent prims of the prim are specific type.

is_child_type

Internal. If prim has specific type of children.

is_hidden_type

Internal. If prim or its parent has metadata “hide_in_stage_window” authored.

is_layer_locked

Checkes if layer is locked or not in this usd context.

is_layer_writable

Checks if layer is writable on file system.

is_path_valid

Internal. If the path points to a valid USD object in the default UsdContext.

is_prim_material_supported

Internal. If material can be bound to the prim.

is_usd_readable_filetype

Whether the given file path is a supported readable USD file or not.

is_usd_writable_filetype

Whether the given file path is a supported writable USD file or not.

make_path_relative_to_current_edit_target

Make path relative to the current edit target of the stage.

on_layers_saved_result

Internal callback.

on_stage_result

Internal callback.

readable_usd_dotted_file_exts

Gets a list of file extensions about readable USD formats.

readable_usd_file_exts

Gets a list of file extensions (without dots) about readable USD formats.

readable_usd_file_exts_str

Gets a string that includes all readable USD file formats supported by Kit.

readable_usd_files_desc

Gets a description of all readable USD file formats.

readable_usd_re

Gets the regex that matches readable USD files.

remove_property

Removes specified property from the prim.

set_attr_val

Deprecated. See :func:`.set_prop_val` instead.

set_edit_target_by_identifier

Sets the edit target of stage by layer identifier.

set_prop_val

Sets the value of property.

stitch_prim_specs

Sitches prim specs specified by path scattered in all sublayers and all its children to target layer.

writable_usd_dotted_file_exts

Gets a list of file extensions about writable USD formats.

writable_usd_file_exts

Gets a list of file extensions (without dots) about writable USD formats.

writable_usd_file_exts_str

Gets a string that includes all writable USD file formats supported by Kit.

writable_usd_files_desc

Gets a description of all writable USD file formats.

writable_usd_re

Gets the regex that matches writable USD files.

add_hydra_engine

add_hydra_engine(name: str, context: omni.usd._usd.UsdContext) -> omni.usd._usd.OpaqueSharedHydraEngineContext

attach_all_hydra_engines

attach_all_hydra_engines(context: omni.usd._usd.UsdContext) -> None

create_context

create_context(name: str = ‘’) -> omni.usd._usd.UsdContext

destroy_context

destroy_context(name: str = ‘’) -> bool

get_context

get_context(name: str = ‘’) -> omni.usd._usd.UsdContext

get_context_from_stage_id

get_context_from_stage_id(stage_id: int) -> omni.usd._usd.UsdContext

get_or_create_hydra_engine

get_or_create_hydra_engine(arg0: str, arg1: omni.usd._usd.UsdContext, arg2: omni.usd._usd.EngineCreationConfig) -> omni.usd._usd.OpaqueSharedHydraEngineContext

merge_layers

merge_layers(dst_layer_identifier: str, src_layer_identifier: str, dst_is_stronger_than_src: bool = True, src_layer_offset: float = 0.0, src_layer_scale: float = 1.0) -> bool

merge_prim_spec

merge_prim_spec(dst_layer_identifier: str, src_layer_identifier: str, prim_spec_path: str, dst_is_stronger_than_src: bool = True, target_prim_path: str = ‘’) -> None

release_all_hydra_engines

release_all_hydra_engines(context: omni.usd._usd.UsdContext = None) -> None

release_hydra_engine

release_hydra_engine(arg0: omni.usd._usd.UsdContext, arg1: omni.usd._usd.OpaqueSharedHydraEngineContext) -> bool

resolve_paths

resolve_paths(src_layer_identifier: str, dst_layer_identifier: str, store_relative_path: bool = True, relative_to_src_layer: bool = False, copy_sublayer_offsets: bool = False) -> None

resolve_prim_path_references

resolve_prim_path_references(layer: str, old_prim_path: str, new_prim_path: str) -> None

resolve_prim_paths_references

resolve_prim_paths_references(layer: str, old_prim_paths: List[str], new_prim_paths: List[str]) -> None

shutdown_usd

shutdown_usd() -> None