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cxTrackedStream.cpp
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
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7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
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10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
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13 2. Redistributions in binary form must reproduce the above copyright notice,
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17 3. Neither the name of the copyright holder nor the names of its contributors
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19  without specific prior written permission.
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21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 =========================================================================*/
32 
33 #include "cxTrackedStream.h"
34 
35 #include <vtkImageData.h>
36 
37 #include "cxTool.h"
39 #include "cxVideoSource.h"
40 
41 #include "cxProbeSector.h"
42 #include "cxSpaceProvider.h"
43 
44 namespace cx
45 {
46 
47 TrackedStreamPtr TrackedStream::create(const QString &uid, const QString &name)
48 {
49  return TrackedStreamPtr(new TrackedStream(uid, name, ToolPtr(), VideoSourcePtr()));
50 }
51 
52 TrackedStream::TrackedStream(const QString& uid, const QString& name, const ToolPtr &probe, const VideoSourcePtr &videosource) :
53  Data(uid, name), mProbeTool(probe), mVideoSource(VideoSourcePtr()),
54  mImage(ImagePtr()),
55  mSpaceProvider(SpaceProviderPtr())
56 {
57  if(mProbeTool)
58  emit newTool(mProbeTool);
59 
60  setVideoSource(videosource);
61 }
62 
64 {
65  if(mVideoSource)
66  {
67  disconnect(mVideoSource.get(), &VideoSource::newFrame, this, &TrackedStream::newFrameSlot);
68  disconnect(mVideoSource.get(), &VideoSource::streaming, this, &TrackedStream::streaming);
69  }
70 }
71 
72 void TrackedStream::setProbeTool(const ToolPtr &probeTool)
73 {
74  if(mProbeTool)
75  disconnect(mProbeTool.get(), &Tool::toolTransformAndTimestamp, this, &TrackedStream::toolTransformAndTimestamp);
76 
77  mProbeTool = probeTool;
78  emit newTool(mProbeTool);
79 
80  if(mProbeTool)
81  connect(mProbeTool.get(), &Tool::toolTransformAndTimestamp, this, &TrackedStream::toolTransformAndTimestamp);
82 }
83 
84 void TrackedStream::toolTransformAndTimestamp(Transform3D prMt, double timestamp)
85 {
86  //tMu calculation in ProbeSector differ from the one used here
87 // Transform3D tMu = mProbeDefinition.get_tMu();
88  Transform3D tMu = this->get_tMu();
89  Transform3D rMpr = mSpaceProvider->get_rMpr();
90  Transform3D rMu = rMpr * prMt * tMu;
91 
92  if (mImage)
93  mImage->get_rMd_History()->setRegistration(rMu);
94  emit newPosition();
95 }
96 
97 Transform3D TrackedStream::get_tMu()
98 {
99  //Made tMu by copying and modifying code from ProbeSector::get_tMu()
100  QString streamUid = mVideoSource->getUid();
101  ProbeDefinition probeDefinition = mProbeTool->getProbe()->getProbeDefinition(streamUid);
102  Vector3D origin_p = probeDefinition.getOrigin_p();
103  Vector3D spacing = probeDefinition.getSpacing();
104  Vector3D origin_u(origin_p[0]*spacing[0], origin_p[1]*spacing[1], origin_p[2]*spacing[2]);
105 
108  Transform3D R = (Rx * Ry);
109  Transform3D T = createTransformTranslate(-origin_u);
110 
111  Transform3D tMu = R * T;
112  return tMu;
113 }
114 
116 {
117  return mProbeTool;
118 }
119 
121 {
122  if(mVideoSource)
123  {
124  disconnect(mVideoSource.get(), &VideoSource::newFrame, this, &TrackedStream::newFrameSlot);
125  disconnect(mVideoSource.get(), &VideoSource::streaming, this, &TrackedStream::streaming);
126  }
127 
128  mVideoSource = videoSource;
129  emit streamChanged(this->getUid());
130  emit newVideoSource(mVideoSource);
131 
132  if(mVideoSource)
133  {
134  connect(mVideoSource.get(), &VideoSource::newFrame, this, &TrackedStream::newFrameSlot);
135  connect(mVideoSource.get(), &VideoSource::streaming, this, &TrackedStream::streaming);
136  }
137 }
138 
139 void TrackedStream::newFrameSlot()
140 {
141  //TODO: Check if we need to turn this on/off
142  if (mImage && mVideoSource && mVideoSource->isStreaming())
143  {
144  mImage->setVtkImageData(mVideoSource->getVtkImageData(), false);
145  emit newFrame();
146  }
147 }
148 
150 {
151  return mVideoSource;
152 }
153 
155 {
156  mSpaceProvider = spaceProvider;
157 }
158 
159 void TrackedStream::addXml(QDomNode &dataNode)
160 {
161  Data::addXml(dataNode);
162 }
163 
164 void TrackedStream::parseXml(QDomNode &dataNode)
165 {
166  Data::parseXml(dataNode);
167 }
168 
170 {
171  DoubleBoundingBox3D bounds;
172  if(this->hasVideo())
173  bounds = DoubleBoundingBox3D(mVideoSource->getVtkImageData()->GetBounds());
174  return bounds;
175 }
176 
177 QString TrackedStream::getType() const
178 {
179  return getTypeName();
180 }
181 
183 {
184  return "trackedStream";
185 }
186 
188 {
189  if(!mVideoSource)
190  return ImagePtr();
191  if (!mImage)
192  mImage = ImagePtr(new Image(this->getUid()+"_TrackedStreamHelper", mVideoSource->getVtkImageData(), this->getName()+"_TrackedStreamHelper"));
193  return mImage;
194 }
195 
197 {
198  if(this->hasVideo() && ( mVideoSource->getVtkImageData()->GetDataDimension() == 3) )
199  return true;
200  else
201  return false;
202 }
203 
205 {
206  if(this->hasVideo() && ( mVideoSource->getVtkImageData()->GetDataDimension() == 2) )
207  return true;
208  else
209  return false;
210 }
211 
213 {
214  if(!mVideoSource || !mVideoSource->getVtkImageData())
215  return false;
216  return true;
217 }
218 
220 {
221  if (this->hasVideo())
222  return mVideoSource->isStreaming();
223  return false;
224 }
225 
226 } //cx
boost::shared_ptr< class SpaceProvider > SpaceProviderPtr
Transform3D createTransformRotateY(const double angle)
boost::shared_ptr< class TrackedStream > TrackedStreamPtr
Transform3D Transform3D
Transform3D is a representation of an affine 3D transform.
void streaming(bool on)
emitted when streaming started/stopped
boost::shared_ptr< class Image > ImagePtr
Definition: cxDicomWidget.h:48
void streaming(bool on)
emitted when streaming started/stopped
void setVideoSource(const VideoSourcePtr &videoSource)
bool hasVideo() const
virtual DoubleBoundingBox3D boundingBox() const
TrackedStream(const QString &uid, const QString &name, const ToolPtr &probe, const VideoSourcePtr &videoSource)
void toolTransformAndTimestamp(Transform3D matrix, double timestamp)
void newVideoSource(VideoSourcePtr videoSource)
virtual void addXml(QDomNode &dataNode)
adds xml information about the data and its variabels
Definition: cxData.cpp:126
virtual void addXml(QDomNode &dataNode)
adds xml information about the data and its variabels
virtual void parseXml(QDomNode &dataNode)
Use a XML node to load data.
virtual QString getUid() const
Definition: cxData.cpp:84
void setSpaceProvider(SpaceProviderPtr spaceProvider)
void setProbeTool(const ToolPtr &probeTool)
void streamChanged(QString uid)
static TrackedStreamPtr create(const QString &uid, const QString &name="")
virtual QString getName() const
Definition: cxData.cpp:89
virtual void parseXml(QDomNode &dataNode)
Use a XML node to load data.
Definition: cxData.cpp:152
A volumetric data set.
Definition: cxImage.h:66
virtual QString getType() const
void newTool(ToolPtr tool)
boost::shared_ptr< class VideoSource > VideoSourcePtr
Transform3D createTransformTranslate(const Vector3D &translation)
ImagePtr getChangingImage()
Representation of a floating-point bounding box in 3D. The data are stored as {xmin,xmax,ymin,ymax,zmin,zmax}, in order to simplify communication with vtk.
cxLogicManager_EXPORT SpaceProviderPtr spaceProvider()
Eigen::Vector3d Vector3D
Vector3D is a representation of a point or vector in 3D.
Definition: cxVector3D.h:63
bool isStreaming() const
Superclass for all data objects.
Definition: cxData.h:109
static QString getTypeName()
VideoSourcePtr getVideoSource()
Transform3D createTransformRotateX(const double angle)
void newFrame()
emitted when a new frame has arrived (getVtkImageData() returns something new). info/status/name/vali...
#define M_PI
boost::shared_ptr< class Tool > ToolPtr