Fraxinus  17.12-rc2
An IGT application
cxPlaneMetricRep.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 #include "cxPlaneMetricRep.h"
35 
36 #include "cxView.h"
37 #include <vtkCamera.h>
38 #include <vtkRenderer.h>
39 #include "boost/bind.hpp"
40 #include "cxBoundingBox3D.h"
41 
42 namespace cx
43 {
44 
46 {
47  return wrap_new(new PlaneMetricRep(), uid);
48 }
49 
50 PlaneMetricRep::PlaneMetricRep()
51 {
52  mViewportListener.reset(new ViewportListener);
53  mViewportListener->setCallback(boost::bind(&PlaneMetricRep::rescale, this));
54 }
55 
57 {
58  mGraphicalPoint.reset();
59  mNormal.reset();
60 }
61 
63 {
64  mViewportListener->startListen(view->getRenderer());
66 }
67 
69 {
70  mViewportListener->stopListen();
72 }
73 
74 PlaneMetricPtr PlaneMetricRep::getPlaneMetric()
75 {
76  return boost::dynamic_pointer_cast<PlaneMetric>(mMetric);
77 }
78 
80 {
81  PlaneMetricPtr planeMetric = this->getPlaneMetric();
82  if (!planeMetric)
83  return;
84 
85  if (!mGraphicalPoint && this->getView() && mMetric)
86  {
87  mGraphicalPoint.reset(new GraphicalPoint3D(this->getRenderer()));
88  mNormal.reset(new GraphicalArrow3D(this->getRenderer()));
89  mRect.reset(new Rect3D(this->getRenderer(), mMetric->getColor()));
90  mRect->setLine(true, 1);
91  }
92 
93  if (!mGraphicalPoint)
94  return;
95 
96  mGraphicalPoint->setColor(mMetric->getColor());
97  mNormal->setColor(mMetric->getColor());
98  mRect->setColor(mMetric->getColor());
99 
100  this->rescale();
101 }
102 
109 void PlaneMetricRep::rescale()
110 {
111  if (!mGraphicalPoint)
112  return;
113 
114  PlaneMetricPtr planeMetric = this->getPlaneMetric();
115 
116  Vector3D p0_r = planeMetric->getRefCoord();
117  Vector3D n_r = planeMetric->getRefNormal();
118 
119  double size = mViewportListener->getVpnZoom(p0_r);
120  double sphereSize = mGraphicsSize / 100 / size;
121 
122  mGraphicalPoint->setValue(p0_r);
123  mGraphicalPoint->setRadius(sphereSize);
124 
125  mNormal->setValue(p0_r, n_r, sphereSize * 8);
126 
127  this->drawRectangleForPlane(p0_r, n_r, size);
128 
129  this->drawText();
130 }
131 
132 void PlaneMetricRep::drawRectangleForPlane(Vector3D p0_r, Vector3D n_r, double size)
133 {
134  if (!mRect)
135  return;
136  // draw a rectangle showing the plane:
137  Vector3D e_z = n_r;
138  Vector3D k1(1,0,0);
139  Vector3D k2(0,1,0);
140  Vector3D e_x;
141  if (cross(k2,e_z).length() > cross(k1,e_z).length())
142  e_x = cross(k2,e_z)/cross(k2,e_z).length();
143  else
144  e_x = cross(k1,e_z)/cross(k1,e_z).length();
145 
146  Vector3D e_y = cross(e_z,e_x);
147  Transform3D rMb = createTransformIJC(e_x, e_y, p0_r);
148  double bb_size = 0.10/size;
149  DoubleBoundingBox3D bb(-bb_size,bb_size,-bb_size,bb_size,0,0);
150 
151  mRect->updatePosition(bb, rMb);
152 }
153 
154 }
ViewPtr getView() const
Definition: cxRepImpl.cpp:104
vtkRendererPtr getRenderer()
Definition: cxRepImpl.cpp:109
virtual void removeRepActorsFromViewRenderer(ViewPtr view)
Transform3D Transform3D
Transform3D is a representation of an affine 3D transform.
Rep for visualizing a PlaneMetric.
static boost::shared_ptr< REP > wrap_new(REP *object, QString uid)
Definition: cxRepImpl.h:83
static PlaneMetricRepPtr New(const QString &uid="")
Data class representing a plane.
Definition: cxPlaneMetric.h:69
Helper for rendering a point in 3D.
boost::shared_ptr< class View > ViewPtr
Listens to changes in viewport and camera matrix.
Vector3D cross(const Vector3D &a, const Vector3D &b)
compute cross product of a and b.
Definition: cxVector3D.cpp:62
Helper for rendering an arrow in 3D.
virtual void onModifiedStartRender()
boost::shared_ptr< class PlaneMetric > PlaneMetricPtr
Definition: cxPlaneMetric.h:55
Transform3D createTransformIJC(const Vector3D &ivec, const Vector3D &jvec, const Vector3D &center)
virtual void clear()
virtual void addRepActorsToViewRenderer(ViewPtr view)
void addRepActorsToViewRenderer(ViewPtr view)
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.
Eigen::Vector3d Vector3D
Vector3D is a representation of a point or vector in 3D.
Definition: cxVector3D.h:63
void removeRepActorsFromViewRenderer(ViewPtr view)
RealScalar length() const
boost::shared_ptr< class PlaneMetricRep > PlaneMetricRepPtr
DataMetricPtr mMetric
Helper for drawing a rectangle in 3D.
Namespace for all CustusX production code.