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arc.h
1 //
2 // Copyright 2016 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
7 // Section 6. Trademarks. is deleted and replaced with:
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9 // 6. Trademarks. This License does not grant permission to use the trade
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24 #ifndef PCP_ARC_H
25 #define PCP_ARC_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/usd/pcp/api.h"
29 #include "pxr/usd/pcp/mapExpression.h"
30 #include "pxr/usd/pcp/node.h"
31 #include "pxr/usd/pcp/types.h"
32 #include "pxr/usd/sdf/path.h"
33 
34 PXR_NAMESPACE_OPEN_SCOPE
35 
36 class PcpPrimIndex_Graph;
37 
44 class PcpArc
45 {
46 public:
47  PcpArc()
48  : type(PcpArcTypeRoot)
49  , siblingNumAtOrigin(0)
50  , namespaceDepth(0)
51  { }
52 
55 
60 
67 
71 
72  // index among sibling arcs at origin; lower is stronger
73  int siblingNumAtOrigin;
74 
75  // Absolute depth in namespace of node that introduced this node.
76  // Note that this does *not* count any variant selections.
77  int namespaceDepth;
78 };
79 
80 PXR_NAMESPACE_CLOSE_SCOPE
81 
82 #endif // PCP_ARC_H
Represents an arc connecting two nodes in the prim index.
Definition: arc.h:44
An expression that yields a PcpMapFunction value.
Definition: mapExpression.h:55
PcpNode represents a node in an expression tree for compositing scene description.
Definition: node.h:65
PcpArcType type
The type of this arc.
Definition: arc.h:54
PcpMapExpression mapToParent
The value-mapping function used to map values from this arc's source node to its parent node...
Definition: arc.h:70
PcpNodeRef origin
The origin node of this arc.
Definition: arc.h:66
PcpArcType
Describes the type of arc connecting two nodes in the prim index.
Definition: types.h:46
PcpNodeRef parent
The parent (or target) node of this arc.
Definition: arc.h:59