CustusX  15.4.0-beta
An IGT application
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cxSlicePlaneClipper.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
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32 
33 
34 /*
35  * sscSlicePlaneClipper.cpp
36  *
37  * Created on: Aug 20, 2010
38  * Author: christiana
39  */
40 
41 #include "cxSlicePlaneClipper.h"
42 
43 #include <vector>
44 #include <vtkPlane.h>
45 
46 #include "cxSliceProxy.h"
47 
48 namespace cx
49 {
50 
52 {
54 }
55 
56 SlicePlaneClipper::SlicePlaneClipper() :
57  mInvertPlane(false)
58 {
59 }
60 
62 {
63 }
64 
66 {
67  if (mSlicer==slicer)
68  return;
69  if (mSlicer)
70  {
71  disconnect(mSlicer.get(), SIGNAL(transformChanged(Transform3D)), this, SLOT(changedSlot()));
72  }
73  mSlicer = slicer;
74  if (mSlicer)
75  {
76  connect(mSlicer.get(), SIGNAL(transformChanged(Transform3D)), this, SLOT(changedSlot()));
77  }
78 
79  this->updateClipPlane();
80  this->changedSlot();
81 }
82 
84 {
85  return mSlicer;
86 }
87 
89 {
90  mInvertPlane = on;
91  changedSlot();
92 }
93 
95 {
96  return mInvertPlane;
97 }
98 
102 Vector3D SlicePlaneClipper::getUnitNormal() const
103 {
104  if (mInvertPlane)
105  return Vector3D(0,0,1);
106  else
107  return Vector3D(0,0,-1);
108 }
109 
113 {
114  vtkPlanePtr retval = vtkPlanePtr::New();
115  retval->SetNormal(mClipPlane->GetNormal());
116  retval->SetOrigin(mClipPlane->GetOrigin());
117  return retval;
118 }
119 
121 {
122  return mClipPlane;
123 }
124 
125 void SlicePlaneClipper::updateClipPlane()
126 {
127  if (!mSlicer)
128  return;
129  if (!mClipPlane)
130  mClipPlane = vtkPlanePtr::New();
131 
132  Transform3D rMs = mSlicer->get_sMr().inv();
133 
134  Vector3D n = rMs.vector(this->getUnitNormal());
135  Vector3D p = rMs.coord(Vector3D(0,0,0));
136  mClipPlane->SetNormal(n.begin());
137  mClipPlane->SetOrigin(p.begin());
138 }
139 
140 void SlicePlaneClipper::changedSlot()
141 {
142  if (!mSlicer)
143  return;
144 
145  this->updateClipPlane();
146  emit slicePlaneChanged();
147 }
148 
149 } // namespace cx
Transform3D Transform3D
Transform3D is a representation of an affine 3D transform.
boost::shared_ptr< class SliceProxy > SliceProxyPtr
void setSlicer(SliceProxyPtr slicer)
Eigen::Vector3d Vector3D
Vector3D is a representation of a point or vector in 3D.
Definition: cxVector3D.h:63
static SlicePlaneClipperPtr New()
boost::shared_ptr< class SlicePlaneClipper > SlicePlaneClipperPtr
Clip several 3D volumes using a SliceProxy.
vtkSmartPointer< class vtkPlane > vtkPlanePtr