APEX updates for H21

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Updated graph functionality
Updated APEX graph nodes
New APEX graph nodes

Updated graph functionality ¶

In the APEX network editor, parameters for connected ports are disabled:
You can edit parameters on graph input (__parms__) nodes using either the node parameter window or by clicking the __parms__ node and selecting Parameters.
Unique port names are enforced across all the output nodes in a subnet:
Graphs with input ports that have the same name and type share the same data. Similarly, subgraph and subnet input ports with the same name and type receive the same data from its external connection:

If a graph has input ports that have the same name but different types, the graph will fail to evaluate:
When connecting to a spare port, the spare port takes the name of the port it is connected to.
Spare ports on a node must have unique names.

Updated APEX graph nodes ¶

APEX graph node	Update
Convert<SrcT, DesT>	Added overloads for conversions ApexNodeID → Int and ApexPortID → Int.
TransformObject	Updates allow simultaneous use of the t/r/s and local input ports. In H20.5, if there was a connection to one of the t/r/s ports, the local port was ignored.
array::Find<T>	Added overloads for types ApexNodeID and ApexPortID.
dict::Get<T>	Added overloads for types Geometry and GeometryArray.
dict::Set<T>	Added overloads for types Geometry and GeometryArray.
dynamicpath::SaveToGeometry	This node has been renamed from dynamicpath::WriteToGeometry.
fbik::SkeletonFromGeo	New inputs mapbyattrib, mappingattrib, jointconfig, and targetconfig.
fbik::Solver	This node has been renamed from fbik::PhysIKSolver.
graph::AddSubnet	New input parent.
graph::ConnectInput	New input name.
graph::FindAndConnectInput	New input name.
graph::FindFirstNode	New input breadthfirst.
graph::FindFirstPort	New input breadthfirst.
graph::FindNodes	New input breadthfirst.
graph::FindPorts	New input breadthfirst.
graph::Layout	New input traverse.
graph::LoadFromGeometry	This node has been renamed from graph::LoadFromGeo.
graph::PortData	New output linkedport.
graph::PromoteNodeInputs	New input removeportprefix.
graph::SaveToGeometry	This node has been renamed from graph::WriteToGeo.
guide::UpdatePatternFromGuides	New input ptnum.
ragdoll::Solve	New inputs constraints, disableresimframe, and constraintschannels. Bounce and friction (listed under the channels port) can now be animated.
rig::PoseWeightInterpolation	New inputs smoothingmode, boxconstraints, laplacianconstraints, influencestrength, and interpmode. Input resolution renamed to maxcellsize. Reordered inputs and added defaults.
rig::RBFInterpolation	New input kernel. Input iterations replaced with robustsolver.
skel::SetParent	New input unparentoncycle.
sim::EvaluateAtTime	New input disableresimframe.
transform::Explode	New inputs p and pr.
transform::LookAt	New inputs lookataxis and lookupaxis.