1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/**
* $Id:
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Contributor(s): Martin Poirier
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef REEB_H_
#define REEB_H_
#include "DNA_listBase.h"
struct EdgeHash;
struct ReebArc;
struct ReebEdge;
struct ReebNode;
typedef struct ReebGraph {
ListBase arcs;
ListBase nodes;
int totnodes;
struct EdgeHash *emap;
} ReebGraph;
typedef struct EmbedBucket {
float val;
int nv;
float p[3];
} EmbedBucket;
typedef struct ReebNode {
struct ReebNode *next, *prev;
struct ReebArc **arcs;
int index;
int degree;
float weight;
float p[3];
int flags;
} ReebNode;
typedef struct ReebEdge {
struct ReebEdge *next, *prev;
struct ReebArc *arc;
struct ReebNode *v1, *v2;
struct ReebEdge *nextEdge;
} ReebEdge;
typedef struct ReebArc {
struct ReebArc *next, *prev;
ListBase edges;
struct ReebNode *v1, *v2;
struct EmbedBucket *buckets;
int bcount;
int flags;
} ReebArc;
typedef struct ReebArcIterator {
struct ReebArc *arc;
int index;
int start;
int end;
int stride;
} ReebArcIterator;
struct EditMesh;
int weightToHarmonic(struct EditMesh *em);
int weightFromDistance(struct EditMesh *em);
int weightFromLoc(struct EditMesh *me, int axis);
void weightToVCol(struct EditMesh *em);
void renormalizeWeight(struct EditMesh *em, float newmax);
ReebGraph * generateReebGraph(struct EditMesh *me, int subdivisions);
void freeGraph(ReebGraph *rg);
void exportGraph(ReebGraph *rg, int count);
#define OTHER_NODE(arc, node) ((arc->v1 == node) ? arc->v2 : arc->v1)
void initArcIterator(struct ReebArcIterator *iter, struct ReebArc *arc, struct ReebNode *head);
void initArcIterator2(struct ReebArcIterator *iter, struct ReebArc *arc, int start, int end);
struct EmbedBucket * nextBucket(struct ReebArcIterator *iter);
/* Filtering */
void filterNullReebGraph(ReebGraph *rg);
int filterExternalReebGraph(ReebGraph *rg, float threshold);
int filterInternalReebGraph(ReebGraph *rg, float threshold);
/* Post-Build processing */
void repositionNodes(ReebGraph *rg);
void postprocessGraph(ReebGraph *rg, char mode);
void removeNormalNodes(ReebGraph *rg);
/* Graph processing */
void buildAdjacencyList(ReebGraph *rg);
void sortNodes(ReebGraph *rg);
void sortArcs(ReebGraph *rg);
int subtreeDepth(ReebNode *node, ReebArc *rootArc);
int countConnectedArcs(ReebGraph *rg, ReebNode *node);
int hasAdjacencyList(ReebGraph *rg);
int isGraphCyclic(ReebGraph *rg);
/* Sanity check */
void verifyBuckets(ReebGraph *rg);
#endif /*REEB_H_*/
|