openscenegraph
PagedLOD
Go to the documentation of this file.
1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version. The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSG_PagedLOD
15#define OSG_PagedLOD 1
16
17#include <osg/LOD>
18
19namespace osg {
20
23class OSG_EXPORT PagedLOD : public LOD
24{
25 public :
26
40
42 PagedLOD(const PagedLOD&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
43
45
46 virtual void traverse(NodeVisitor& nv);
47
49
50 virtual bool addChild(Node *child);
51
52 virtual bool addChild(Node *child, float rmin, float rmax);
53
54 template<class T> bool addChild( const ref_ptr<T>& child, float rmin, float rmax) { return addChild(child.get(), rmin, rmax); }
55
56 virtual bool addChild(Node *child, float rmin, float rmax, const std::string& filename, float priorityOffset=0.0f, float priorityScale=1.0f);
57
58 template<class T> bool addChild( const ref_ptr<T>& child, float rmin, float rmax, const std::string& filename, float priorityOffset=0.0f, float priorityScale=1.0f) { return addChild(child.get(), rmin, rmax, filename, priorityOffset, priorityScale); }
59
60 virtual bool removeChildren(unsigned int pos,unsigned int numChildrenToRemove=1);
61
62
64 void setDatabaseOptions(osg::Referenced* options) { _databaseOptions = options; }
65
67 osg::Referenced* getDatabaseOptions() { return _databaseOptions.get(); }
68
70 const osg::Referenced* getDatabaseOptions() const { return _databaseOptions.get(); }
71
72
74 void setDatabasePath(const std::string& path);
75
77 inline const std::string& getDatabasePath() const { return _databasePath; }
78
79
96
97 typedef std::vector<PerRangeData> PerRangeDataList;
98
99 void setFileName(unsigned int childNo, const std::string& filename) { expandPerRangeDataTo(childNo); _perRangeDataList[childNo]._filename=filename; }
100 const std::string& getFileName(unsigned int childNo) const { return _perRangeDataList[childNo]._filename; }
101 unsigned int getNumFileNames() const { return static_cast<unsigned int>(_perRangeDataList.size()); }
102
103
104 void setPriorityOffset(unsigned int childNo, float priorityOffset) { expandPerRangeDataTo(childNo); _perRangeDataList[childNo]._priorityOffset=priorityOffset; }
105 float getPriorityOffset(unsigned int childNo) const { return _perRangeDataList[childNo]._priorityOffset; }
106 unsigned int getNumPriorityOffsets() const { return static_cast<unsigned int>(_perRangeDataList.size()); }
107
108 void setPriorityScale(unsigned int childNo, float priorityScale) { expandPerRangeDataTo(childNo); _perRangeDataList[childNo]._priorityScale=priorityScale; }
109 float getPriorityScale(unsigned int childNo) const { return _perRangeDataList[childNo]._priorityScale; }
110 unsigned int getNumPriorityScales() const { return static_cast<unsigned int>(_perRangeDataList.size()); }
111
113 void setMinimumExpiryTime(unsigned int childNo, double minTime) { expandPerRangeDataTo(childNo); _perRangeDataList[childNo]._minExpiryTime=minTime; }
114 double getMinimumExpiryTime(unsigned int childNo) const { return _perRangeDataList[childNo]._minExpiryTime; }
115 unsigned int getNumMinimumExpiryTimes() const { return static_cast<unsigned int>(_perRangeDataList.size()); }
116
118 void setMinimumExpiryFrames(unsigned int childNo, unsigned int minFrames) { expandPerRangeDataTo(childNo); _perRangeDataList[childNo]._minExpiryFrames=minFrames; }
119 unsigned int getMinimumExpiryFrames(unsigned int childNo) const { return _perRangeDataList[childNo]._minExpiryFrames; }
120 unsigned int getNumMinimumExpiryFrames() const { return static_cast<unsigned int>(_perRangeDataList.size()); }
121
122
123 void setTimeStamp(unsigned int childNo, double timeStamp) { expandPerRangeDataTo(childNo); _perRangeDataList[childNo]._timeStamp=timeStamp; }
124 double getTimeStamp(unsigned int childNo) const { return _perRangeDataList[childNo]._timeStamp; }
125 unsigned int getNumTimeStamps() const { return static_cast<unsigned int>(_perRangeDataList.size()); }
126
127 void setFrameNumber(unsigned int childNo, unsigned int frameNumber) { expandPerRangeDataTo(childNo); _perRangeDataList[childNo]._frameNumber=frameNumber; }
128 unsigned getFrameNumber(unsigned int childNo) const { return _perRangeDataList[childNo]._frameNumber; }
129 unsigned int getNumFrameNumbers() const { return static_cast<unsigned int>(_perRangeDataList.size()); }
130
131
136 osg::ref_ptr<osg::Referenced>& getDatabaseRequest(unsigned int childNo) { return _perRangeDataList[childNo]._databaseRequest; }
137
139 const osg::ref_ptr<osg::Referenced>& getDatabaseRequest(unsigned int childNo) const { return _perRangeDataList[childNo]._databaseRequest; }
140
141
145 inline void setFrameNumberOfLastTraversal(unsigned int frameNumber) { _frameNumberOfLastTraversal=frameNumber; }
146
148 inline unsigned int getFrameNumberOfLastTraversal() const { return _frameNumberOfLastTraversal; }
149
150
152 inline void setNumChildrenThatCannotBeExpired(unsigned int num) { _numChildrenThatCannotBeExpired = num; }
153
155 unsigned int getNumChildrenThatCannotBeExpired() const { return _numChildrenThatCannotBeExpired; }
156
158 void setDisableExternalChildrenPaging(bool flag) { _disableExternalChildrenPaging = flag; }
159
160 bool getDisableExternalChildrenPaging() const { return _disableExternalChildrenPaging; }
161
162
163
168 virtual bool removeExpiredChildren(double expiryTime, unsigned int expiryFrame, NodeList& removedChildren);
169
170 protected :
171
172 virtual ~PagedLOD();
173
174 void expandPerRangeDataTo(unsigned int pos);
175
177 std::string _databasePath;
178
182
184};
185
186}
187
188#endif
Definition CopyOp:41
virtual bool addChild(Node *child)
Definition LOD:36
Definition NodeVisitor:82
Definition Node:72
Definition PagedLOD:24
std::string _databasePath
Definition PagedLOD:177
osg::ref_ptr< osg::Referenced > & getDatabaseRequest(unsigned int childNo)
Definition PagedLOD:136
void setFileName(unsigned int childNo, const std::string &filename)
Definition PagedLOD:99
PagedLOD(const PagedLOD &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
osg::Referenced * getDatabaseOptions()
Definition PagedLOD:67
virtual ~PagedLOD()
virtual bool addChild(Node *child, float rmin, float rmax, const std::string &filename, float priorityOffset=0.0f, float priorityScale=1.0f)
void setFrameNumber(unsigned int childNo, unsigned int frameNumber)
Definition PagedLOD:127
bool addChild(const ref_ptr< T > &child, float rmin, float rmax, const std::string &filename, float priorityOffset=0.0f, float priorityScale=1.0f)
Definition PagedLOD:58
float getPriorityOffset(unsigned int childNo) const
Definition PagedLOD:105
void expandPerRangeDataTo(unsigned int pos)
bool getDisableExternalChildrenPaging() const
Definition PagedLOD:160
void setDatabaseOptions(osg::Referenced *options)
Definition PagedLOD:64
const osg::ref_ptr< osg::Referenced > & getDatabaseRequest(unsigned int childNo) const
Definition PagedLOD:139
META_Node(osg, PagedLOD)
unsigned int getNumPriorityOffsets() const
Definition PagedLOD:106
void setPriorityOffset(unsigned int childNo, float priorityOffset)
Definition PagedLOD:104
const std::string & getDatabasePath() const
Definition PagedLOD:77
unsigned int getMinimumExpiryFrames(unsigned int childNo) const
Definition PagedLOD:119
float getPriorityScale(unsigned int childNo) const
Definition PagedLOD:109
double getTimeStamp(unsigned int childNo) const
Definition PagedLOD:124
unsigned int getNumTimeStamps() const
Definition PagedLOD:125
bool addChild(const ref_ptr< T > &child, float rmin, float rmax)
Definition PagedLOD:54
void setFrameNumberOfLastTraversal(unsigned int frameNumber)
Definition PagedLOD:145
const std::string & getFileName(unsigned int childNo) const
Definition PagedLOD:100
void setMinimumExpiryTime(unsigned int childNo, double minTime)
Definition PagedLOD:113
double getMinimumExpiryTime(unsigned int childNo) const
Definition PagedLOD:114
void setDisableExternalChildrenPaging(bool flag)
Definition PagedLOD:158
virtual bool addChild(Node *child, float rmin, float rmax)
PerRangeDataList _perRangeDataList
Definition PagedLOD:183
bool _disableExternalChildrenPaging
Definition PagedLOD:181
void setTimeStamp(unsigned int childNo, double timeStamp)
Definition PagedLOD:123
unsigned int _frameNumberOfLastTraversal
Definition PagedLOD:179
unsigned int _numChildrenThatCannotBeExpired
Definition PagedLOD:180
unsigned int getNumMinimumExpiryTimes() const
Definition PagedLOD:115
unsigned int getNumPriorityScales() const
Definition PagedLOD:110
virtual bool addChild(Node *child)
void setMinimumExpiryFrames(unsigned int childNo, unsigned int minFrames)
Definition PagedLOD:118
unsigned getFrameNumber(unsigned int childNo) const
Definition PagedLOD:128
std::vector< PerRangeData > PerRangeDataList
Definition PagedLOD:97
virtual bool removeExpiredChildren(double expiryTime, unsigned int expiryFrame, NodeList &removedChildren)
unsigned int getFrameNumberOfLastTraversal() const
Definition PagedLOD:148
unsigned int getNumFrameNumbers() const
Definition PagedLOD:129
void setPriorityScale(unsigned int childNo, float priorityScale)
Definition PagedLOD:108
void setDatabasePath(const std::string &path)
unsigned int getNumFileNames() const
Definition PagedLOD:101
unsigned int getNumChildrenThatCannotBeExpired() const
Definition PagedLOD:155
const osg::Referenced * getDatabaseOptions() const
Definition PagedLOD:70
virtual void traverse(NodeVisitor &nv)
virtual bool removeChildren(unsigned int pos, unsigned int numChildrenToRemove=1)
unsigned int getNumMinimumExpiryFrames() const
Definition PagedLOD:120
void setNumChildrenThatCannotBeExpired(unsigned int num)
Definition PagedLOD:152
ref_ptr< Referenced > _databaseOptions
Definition PagedLOD:176
Definition Referenced:44
Definition ref_ptr:32
T * get() const
Definition ref_ptr:117
author: Julien Valentin 2017 (mp3butcher@hotmail.com)
Definition AlphaFunc:19
std::vector< ref_ptr< Node > > NodeList
Definition Group:22
#define OSG_EXPORT
Definition osg/Export:39
Definition PagedLOD:81
unsigned int _frameNumberOfLastReleaseGLObjects
Definition PagedLOD:93
double _minExpiryTime
Definition PagedLOD:89
float _priorityScale
Definition PagedLOD:88
unsigned int _minExpiryFrames
Definition PagedLOD:90
osg::ref_ptr< osg::Referenced > _databaseRequest
Definition PagedLOD:94
float _priorityOffset
Definition PagedLOD:87
unsigned int _frameNumber
Definition PagedLOD:92
std::string _filename
Definition PagedLOD:86
PerRangeData(const PerRangeData &prd)
double _timeStamp
Definition PagedLOD:91