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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
5 All rights reserved.
6 
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.
12 
13 2. Redistributions in binary form must reproduce the above copyright notice,
14  this list of conditions and the following disclaimer in the documentation
15  and/or other materials provided with the distribution.
16 
17 3. Neither the name of the copyright holder nor the names of its contributors
18  may be used to endorse or promote products derived from this software
19  without specific prior written permission.
20 
21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 =========================================================================*/
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