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Documentation/API reference/AngleBetween

AngleBetween

Angle, axis and Euler rotation between two vectors.

ClassAPI 2.0MATHS
objectNodeDGNodeAngleBetween
from weSkel.src.core.node.dg.angle_between.lib import AngleBetween

Run in Maya or an initialized mayapy process. Import om only if your script uses OpenMaya types.

Item Value
Classe AngleBetween
Module weSkel.src.core.node.dg.angle_between.lib
Maya type angleBetween
Direct parent DGNode
Inventory Members defined or overridden here; inherited members are grouped by parent in each section.

Signature : AngleBetween(node) → AngleBetween.

Parameter Accepted type Default
node Union[str, om.MObject, om.MObjectHandle, om.MFnDependencyNode] Required

Wraps an existing node or stages a wrapper for an absent name; does not create the node. Call create() separately. An incompatible object or type can raise TypeError. Shared identity can return an already registered compatible wrapper.

Python properties defined or overridden here. R: read-only; R/W: a setter exists, subject to the member notes. om.* types belong to maya.api.OpenMaya.

No new Python property; see inherited members and specs below.

Properties inherited from DGNode15
Property Return type Access Description
dep_fn om.MFnDependencyNode R Live function set; unattached object when the node is missing.
uuid str | None R Live UUID, or the last staged value if still available.
name str | None R/W Live name, otherwise staged name.
absolute_name str | None R Absolute namespace name from MFnDependencyNode.absoluteName(); None without a node.
stripped_name str | None R/W Name without its namespace, or None when unnamed.
namespace str | None R/W Normalized namespace such as a:b; None at the root.
plugs Plugs | None R Live node plug manager; None otherwise.
is_valid_dep_fn bool R Function-set compatibility with the current MObject.
is_default_node bool R Whether this is a Maya default node; False without a node.
is_from_referenced_file bool R Whether the node comes from a referenced file; False without a node.
is_locked bool R/W Node lock, separate from plug locks.
is_shared bool R Shared state reported by Maya; False without a node.
plugin_name str | None R Associated Maya plugin name, possibly an empty string; None without a node.
affect_animation bool R Result of MFnDependencyNode.affectsAnimation(); False without a node.
type str | None R/W Live native type or staged type.
Properties inherited from Node10
Property Return type Access Description
mobject om.MObject R/W Live Maya object, or a null object.
mobject_handle om.MObjectHandle R/W Handle associated with the node.
api_type int | None R Maya API type identifier.
api_type_str str R API type name, for example "kTime".
exists bool R The wrapper currently has a live node.
is_null bool R The returned Maya object is null.
is_alive bool R The object exists with a valid, live handle.
is_valid_handle bool R Validity of the stored handle.
is_dag_node bool R Compatibility with om.MFn.kDagNode.
hash_code int R Maya handle hash.

Defaults and flags below are spec declarations, not guaranteed live values. A descriptor can return a proxy: .value reads its value; .plug accesses the Plug. Proxy names describe results, not private classes to import. Observed types come from a test fixture; disconnected geometry inputs may notably return None.

For writes where failure must be checked, use the Plug explicitly and verify live state. Descriptor setters do not propagate every native failure.

Property Maya plug Returns
axis_angle axisAngle CompoundProxy
axis axisAngle.axis _ValuePlugProxy · .value: tuple
axis_x axisAngle.axis.axisX _ValuePlugProxy · .value: float
axis_y axisAngle.axis.axisY _ValuePlugProxy · .value: float
axis_z axisAngle.axis.axisZ _ValuePlugProxy · .value: float
angle axisAngle.angle _ValuePlugProxy · .value: float
euler euler _ValuePlugProxy · .value: tuple
euler_x euler.eulerX _ValuePlugProxy · .value: float
euler_y euler.eulerY _ValuePlugProxy · .value: float
euler_z euler.eulerZ _ValuePlugProxy · .value: float
vector_1 vector1 _ValuePlugProxy · .value: tuple
vector_1_x vector1.vector1X _ValuePlugProxy · .value: float
vector_1_y vector1.vector1Y _ValuePlugProxy · .value: float
vector_1_z vector1.vector1Z _ValuePlugProxy · .value: float
vector_2 vector2 _ValuePlugProxy · .value: tuple
vector_2_x vector2.vector2X _ValuePlugProxy · .value: float
vector_2_y vector2.vector2Y _ValuePlugProxy · .value: float
vector_2_z vector2.vector2Z _ValuePlugProxy · .value: float

node.axis_angleNative spec

Access to native plug axisAngle.

Item Type / behavior
Maya path axisAngle
Property return CompoundProxy
Declared kind compound
Declared default None
Flags output, connectable
Underlying plug node.axis_angle.plug

node.axisNative spec

Access to native plug axisAngle.axis.

Item Type / behavior
Maya path axisAngle.axis
Property return _ValuePlugProxy · .value: tuple
Declared kind double3
Declared default ()
Flags output, connectable
Read node.axis.value

node.axis_xNative spec

Access to native plug axisAngle.axis.axisX.

Item Type / behavior
Maya path axisAngle.axis.axisX
Property return _ValuePlugProxy · .value: float
Declared kind unit:distance
Declared default 0.0
Flags output, connectable
Read node.axis_x.value

node.axis_yNative spec

Access to native plug axisAngle.axis.axisY.

Item Type / behavior
Maya path axisAngle.axis.axisY
Property return _ValuePlugProxy · .value: float
Declared kind unit:distance
Declared default 0.0
Flags output, connectable
Read node.axis_y.value

node.axis_zNative spec

Access to native plug axisAngle.axis.axisZ.

Item Type / behavior
Maya path axisAngle.axis.axisZ
Property return _ValuePlugProxy · .value: float
Declared kind unit:distance
Declared default 0.0
Flags output, connectable
Read node.axis_z.value

node.angleNative spec

Access to native plug axisAngle.angle.

Item Type / behavior
Maya path axisAngle.angle
Property return _ValuePlugProxy · .value: float
Declared kind unit:angle
Declared default 0.0
Flags output, connectable
Read node.angle.value

node.eulerNative spec

Access to native plug euler.

Item Type / behavior
Maya path euler
Property return _ValuePlugProxy · .value: tuple
Declared kind double3
Declared default ()
Flags output, connectable
Read node.euler.value

node.euler_xNative spec

Access to native plug euler.eulerX.

Item Type / behavior
Maya path euler.eulerX
Property return _ValuePlugProxy · .value: float
Declared kind unit:angle
Declared default 0.0
Flags output, connectable
Read node.euler_x.value

node.euler_yNative spec

Access to native plug euler.eulerY.

Item Type / behavior
Maya path euler.eulerY
Property return _ValuePlugProxy · .value: float
Declared kind unit:angle
Declared default 0.0
Flags output, connectable
Read node.euler_y.value

node.euler_zNative spec

Access to native plug euler.eulerZ.

Item Type / behavior
Maya path euler.eulerZ
Property return _ValuePlugProxy · .value: float
Declared kind unit:angle
Declared default 0.0
Flags output, connectable
Read node.euler_z.value

node.vector_1Native spec

Access to native plug vector1.

Item Type / behavior
Maya path vector1
Property return _ValuePlugProxy · .value: tuple
Declared kind double3
Declared default ()
Flags input, output, connectable, stored
Read node.vector_1.value
Descriptor assignment node.vector_1 = value

node.vector_1_xNative spec

Access to native plug vector1.vector1X.

Item Type / behavior
Maya path vector1.vector1X
Property return _ValuePlugProxy · .value: float
Declared kind unit:distance
Declared default 0.0
Flags input, output, connectable, stored
Read node.vector_1_x.value
Descriptor assignment node.vector_1_x = value

node.vector_1_yNative spec

Access to native plug vector1.vector1Y.

Item Type / behavior
Maya path vector1.vector1Y
Property return _ValuePlugProxy · .value: float
Declared kind unit:distance
Declared default 1.0
Flags input, output, connectable, stored
Read node.vector_1_y.value
Descriptor assignment node.vector_1_y = value

node.vector_1_zNative spec

Access to native plug vector1.vector1Z.

Item Type / behavior
Maya path vector1.vector1Z
Property return _ValuePlugProxy · .value: float
Declared kind unit:distance
Declared default 0.0
Flags input, output, connectable, stored
Read node.vector_1_z.value
Descriptor assignment node.vector_1_z = value

node.vector_2Native spec

Access to native plug vector2.

Item Type / behavior
Maya path vector2
Property return _ValuePlugProxy · .value: tuple
Declared kind double3
Declared default ()
Flags input, output, connectable, stored
Read node.vector_2.value
Descriptor assignment node.vector_2 = value

node.vector_2_xNative spec

Access to native plug vector2.vector2X.

Item Type / behavior
Maya path vector2.vector2X
Property return _ValuePlugProxy · .value: float
Declared kind unit:distance
Declared default 0.0
Flags input, output, connectable, stored
Read node.vector_2_x.value
Descriptor assignment node.vector_2_x = value

node.vector_2_yNative spec

Access to native plug vector2.vector2Y.

Item Type / behavior
Maya path vector2.vector2Y
Property return _ValuePlugProxy · .value: float
Declared kind unit:distance
Declared default 0.0
Flags input, output, connectable, stored
Read node.vector_2_y.value
Descriptor assignment node.vector_2_y = value

node.vector_2_zNative spec

Access to native plug vector2.vector2Z.

Item Type / behavior
Maya path vector2.vector2Z
Property return _ValuePlugProxy · .value: float
Declared kind unit:distance
Declared default 1.0
Flags input, output, connectable, stored
Read node.vector_2_z.value
Descriptor assignment node.vector_2_z = value
Specs inherited from DGNode6
Property Maya plug Returns Description
message message None Node message plug; used for connections, with no numeric value.
frozen frozen _ValuePlugProxy · .value: bool Native evaluation freeze state.
is_historically_interesting isHistoricallyInteresting _ValuePlugProxy · .value: int Node interest level in Maya history.
bin_membership binMembership _ValuePlugProxy · .value: str Maya bin membership.
caching_enabled caching _ValuePlugProxy · .value: bool Native node caching switch.
caching_node_state nodeState _ValuePlugProxy · .value: int Native nodeState evaluation state.

No additional public method; inherited methods remain available.

Methods inherited from DGNode7
Method Returns Description
create None Creates a missing node; does nothing if it already exists.
delete None Disconnects live connections, detaches the wrapper and deletes the node.
snapshot DGSnapshot Captures and stores an identity and spec-driven SVD dictionary.
snapshot_svd SVDSnapshot Captures Source / Value / Destinations for the requested list.
svd SVDView Returns a read-only live view of source, value and destinations; it is not a frozen capture.
finalize None Applies all sources, then undriven values, then destinations; enabled FSET dispatch follows.
clear_attr_cache None Clears this instance attribute cache; does not delete nodes or clear the global wrapper registry.
Methods inherited from Node2
Method Returns Description
has_fn(fn_type) bool Test compatibility with a Maya function set.
clear_node_registry() None Detach registered wrappers and clear their shared registry.
Attribute Value / composition
NODE_TYPE 'angleBetween'
SPEC_LAYERS get_dg_specs_all, get_angle_between_specs_all

NODE_REGISTRY and other class attributes not overridden here remain inherited. Exported Snapshot types describe dictionaries; use node.snapshot() to capture state.

Point Behavior
Identity A node recreated under the same name is a new Maya object.
Creation and geometry The constructor creates nothing; call create() before live operations.
Capture Snapshots can contain Maya objects; do not assume JSON-ready data or complete geometry reconstruction.

Self-contained Maya Python Script Editor example. In mayapy, initialize maya.standalone before this block. The demonstration creates its own nodes and removes them in finally.

from uuid import uuid4
import math
from weSkel.src.core.node.dg.angle_between.lib import AngleBetween
node = AngleBetween("api_angle_between_" + uuid4().hex[:8])
try:
node.create()
node.vector_1 = (1.0, 0.0, 0.0)
node.vector_2 = (0.0, 1.0, 0.0)
angle = node.angle.plug.value
assert abs(angle.asRadians() - math.pi / 2) < 1e-6
print("AngleBetween: native evaluation OK")
finally:
node.delete(snapshot=False)

Expected result : AngleBetween: native evaluation OK.

SDK checkpoint 87c3486. Member inventory checked against loaded classes in Maya 2025.3 and 2026.3; reads and compatibility are specified in the member cards. Example run in both versions, including explicitly documented expected failures. The example does not cover every method. Listed limitations remain in source; these checks do not validate the compiled package.