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cxGraphicalDisk.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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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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32 
33 #include "cxGraphicalDisk.h"
34 
35 #include <QColor>
36 #include <vtkRenderer.h>
37 #include <vtkActor.h>
38 #include <vtkPolyDataMapper.h>
39 #include <vtkProperty.h>
40 #include <vtkSectorSource.h>
41 #include "cxVtkHelperClasses.h"
42 #include "vtkMatrix4x4.h"
43 #include "vtkLinearExtrusionFilter.h"
44 #include "vtkPolyDataNormals.h"
45 
46 namespace cx
47 {
48 
50  mOutlineWidth(0.1)
51 {
52  mDirection = Vector3D::UnitZ();
53 // std::cout << "GraphicalDisk::create " << mDirection << std::endl;
54 
55  mRadius = 1;
56  mColor = QColor(Qt::blue);
57  mFillVisible = true;
58  mOutlineColor = QColor(Qt::magenta);
59  mUseLighting = false;
60  mHeight = 0;
61 }
62 
64 {
65  this->removeActors();
66 }
67 
68 void GraphicalDisk::setRadius(double radius)
69 {
70  mRadius = radius;
71 }
73 {
74  mOutlineWidth = width;
75 }
77 {
78  mFillVisible = val;
79 }
81 {
82  mOutlineColor = color;
83 }
84 void GraphicalDisk::setColor(QColor color)
85 {
86  mColor = color;
87 }
89 {
90  mPosition = pos;
91 }
93 {
94 // std::cout << "GraphicalDisk::setDirection " << direction << std::endl;
95 
96  mDirection = direction;
97 }
99 {
100  mUseLighting = on;
101 }
102 void GraphicalDisk::setHeight(double height)
103 {
104  mHeight = height;
105 }
106 
108 {
109  this->removeActors();
110  mRenderer = renderer;
111  this->addActors();
112 }
113 
114 void GraphicalDisk::addActors()
115 {
116  if (mRenderer && mCircleActor && mOutlineActor)
117  {
118  mRenderer->AddActor(mCircleActor);
119  mRenderer->AddActor(mOutlineActor);
120  }
121 }
122 
123 void GraphicalDisk::removeActors()
124 {
125  if (mRenderer && mCircleActor && mOutlineActor)
126  {
127  mRenderer->RemoveActor(mCircleActor);
128  mRenderer->RemoveActor(mOutlineActor);
129  }
130 }
131 
133 {
134  if (!mRenderer)
135  return;
136 
137  if (!mCircleActor)
138  {
139  this->createActors();
140  this->addActors();
141  }
142 
143  if (!mCircleActor)
144  return;
145 
146  mCircleActor->GetProperty()->SetColor(getColorAsVector3D(mColor).begin());
147  mOutlineActor->GetProperty()->SetColor(getColorAsVector3D(mOutlineColor).begin());
148 
149  double innerRadius = std::max(0.0, mRadius*(1.0 - mOutlineWidth));
150  mCircleSource->SetOuterRadius(innerRadius);
151  mOutlineSource->SetInnerRadius(innerRadius);
152  mOutlineSource->SetOuterRadius(mRadius);
153 
154  mCircleExtruder->SetScaleFactor(mHeight);
155  mOutlineExtruder->SetScaleFactor(mHeight);
156 
157  mCircleActor->SetVisibility(mFillVisible);
158 
159  this->updateOrientation();
160 }
161 
162 void GraphicalDisk::createActors()
163 {
164  if (mCircleActor)
165  return;
166 
167  int resolution = 40;
168 
169  mCircleSource = vtkSectorSourcePtr::New();
170  mCircleSource->SetOuterRadius(mRadius);
171  mCircleSource->SetInnerRadius(0);
172  mCircleSource->SetStartAngle(0);
173  mCircleSource->SetEndAngle(360);
174  mCircleSource->SetCircumferentialResolution(resolution);
175 
176  mCircleExtruder = vtkLinearExtrusionFilterPtr::New();
177  mCircleExtruder->SetInputConnection(mCircleSource->GetOutputPort());
178  mCircleExtruder->SetScaleFactor(mHeight);
179  mCircleExtruder->SetExtrusionTypeToVectorExtrusion();
180  mCircleExtruder->SetVector(0,0,1);
181 
182  vtkPolyDataMapperPtr mapper = vtkPolyDataMapperPtr::New();
183  mapper->SetInputConnection(mCircleExtruder->GetOutputPort());
184  mapper->ScalarVisibilityOff();
185  mCircleActor = vtkActorPtr::New();
186  mCircleActor->SetMapper(mapper);
187  mCircleActor->GetProperty()->SetLighting(mUseLighting);
188 
189  mOutlineSource = vtkSectorSourcePtr::New();
190  mOutlineSource->SetOuterRadius(mRadius);
191  mOutlineSource->SetInnerRadius(0);
192  mOutlineSource->SetStartAngle(0);
193  mOutlineSource->SetEndAngle(360);
194  mOutlineSource->SetCircumferentialResolution(resolution);
195 
196  mOutlineExtruder = vtkLinearExtrusionFilterPtr::New();
197  mOutlineExtruder->SetInputConnection(mOutlineSource->GetOutputPort());
198  mOutlineExtruder->SetScaleFactor(mHeight);
199  mOutlineExtruder->SetExtrusionTypeToVectorExtrusion();
200  mOutlineExtruder->SetVector(0,0,1);
201 
202  vtkPolyDataNormalsPtr normals = vtkPolyDataNormalsPtr::New();
203  normals->SetInputConnection(mOutlineExtruder->GetOutputPort());
204 
205  vtkPolyDataMapperPtr outlineMapper = vtkPolyDataMapperPtr::New();
206  outlineMapper->SetInputConnection(normals->GetOutputPort());
207  outlineMapper->ScalarVisibilityOff();
208  mOutlineActor = vtkActorPtr::New();
209  mOutlineActor->SetMapper(outlineMapper);
210  mOutlineActor->GetProperty()->SetLighting(mUseLighting);
211 }
212 
213 
214 void GraphicalDisk::updateOrientation()
215 {
216 // Transform3D M = createTransformRotationBetweenVectors(Vector3D::UnitX(), mDirection.normal());
217 
218  Vector3D from = Vector3D::UnitZ();
219  Transform3D M;
220  bool directionAlongYAxis = similar(dot(from, mDirection.normal()), 1.0);
221 
222  if (directionAlongYAxis)
223  {
224  M = Transform3D::Identity();
225  }
226  else
227  {
228  Vector3D newXAxis = cross(from, mDirection).normal();
229  Vector3D newZAxis = mDirection;
230  Vector3D ivec = newXAxis;
231  Vector3D jvec = cross(newZAxis, newXAxis);
232  Vector3D center = Vector3D::Zero();
233  M = createTransformIJC(ivec, jvec, center);
234 
235  }
236 
237  Transform3D T = createTransformTranslate(mPosition);
238  M = T*M;
239 
240  mCircleActor->SetUserMatrix(M.getVtkMatrix());
241  mOutlineActor->SetUserMatrix(M.getVtkMatrix());
242 
243 // mCircleActor->SetPosition(mPosition[0], mPosition[1], mPosition[2]);
244 // mOutlineActor->SetPosition(mPosition[0], mPosition[1], mPosition[2]);
245 
246 }
247 
248 void GraphicalDisk::setRadiusBySlicingSphere(double sphereRadius, double sliceHeight)
249 {
250  double r = this->getRadiusOfCircleSlicedFromSphere(sphereRadius, sliceHeight);
251  this->setRadius(r);
252 }
253 
254 double GraphicalDisk::getRadiusOfCircleSlicedFromSphere(double sphereRadius, double sliceHeight) const
255 {
256  double retval = 0;
257 
258  if (std::abs(sliceHeight) > sphereRadius)
259  {
260  retval = 0;
261  }
262  else
263  {
264  retval = sphereRadius*cos(asin(sliceHeight/sphereRadius));
265  }
266 
267  return retval;
268 }
269 
270 
271 } // namespace cx
272 
273 
void setRadius(double radius)
Vector3D getColorAsVector3D(QColor color)
Scalar * begin()
void setColor(QColor color)
vtkSmartPointer< class vtkPolyDataMapper > vtkPolyDataMapperPtr
Transform3D Transform3D
Transform3D is a representation of an affine 3D transform.
void setLighting(bool on)
void setPosition(Vector3D pos)
void setRenderer(vtkRendererPtr renderer=vtkRendererPtr())
bool similar(const DoubleBoundingBox3D &a, const DoubleBoundingBox3D &b, double tol)
Vector3D cross(const Vector3D &a, const Vector3D &b)
compute cross product of a and b.
Definition: cxVector3D.cpp:62
void setOutlineWidth(double width)
void setHeight(double height)
Transform3D createTransformIJC(const Vector3D &ivec, const Vector3D &jvec, const Vector3D &center)
vtkSmartPointer< class vtkRenderer > vtkRendererPtr
vtkSmartPointer< class vtkPolyDataNormals > vtkPolyDataNormalsPtr
void setOutlineColor(QColor color)
void setRadiusBySlicingSphere(double sphereRadius, double sliceHeight)
void setDirection(Vector3D direction)
Transform3D createTransformTranslate(const Vector3D &translation)
double dot(const Vector3D &a, const Vector3D &b)
compute inner product (or dot product) of a and b.
Definition: cxVector3D.cpp:67
Eigen::Vector3d Vector3D
Vector3D is a representation of a point or vector in 3D.
Definition: cxVector3D.h:63
void setFillVisible(bool val)