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cxtestUtilities.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
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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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31 =========================================================================*/
32 
33 #include "cxtestUtilities.h"
34 
35 #include "vtkImageData.h"
36 #include "cxImage.h"
37 #include "cxVolumeHelpers.h"
38 #include "cxTypeConversions.h"
39 #include "cxDataLocations.h"
40 
41 #ifdef CX_WINDOWS
42  #include <Windows.h>
43 #endif
44 
45 namespace cxtest
46 {
47 /*
48 // --------------------------------------------------------
49 TestDataStorage* TestDataStorage::mInstance = NULL; ///< static member
50 // --------------------------------------------------------
51 void TestDataStorage::shutdown()
52 {
53  delete mInstance;
54  mInstance = NULL;
55 }
56 TestDataStorage* TestDataStorage::getInstance()
57 {
58  if (!mInstance)
59  mInstance = new TestDataStorage();
60  return mInstance;
61 }
62 // --------------------------------------------------------
63 // --------------------------------------------------------
64 // --------------------------------------------------------
65 */
66 
67 QString Utilities::getDataRoot(QString suffix)
68 {
69  QString root = cx::DataLocations::getTestDataPath();
70  if (suffix.isEmpty())
71  return root;
72  else
73  return QString("%1/%2").arg(root).arg(suffix);
74 }
75 
76 
77 vtkImageDataPtr Utilities::create3DVtkImageData(Eigen::Array3i dim, const unsigned int voxelValue)
78 {
79  return cx::generateVtkImageData(dim, cx::Vector3D(1,1,1), voxelValue);
80 }
81 
82 cx::ImagePtr Utilities::create3DImage(Eigen::Array3i dim, const unsigned int voxelValue)
83 {
84  return create3DImage(dim, cx::Vector3D(1,1,1), voxelValue);
85 }
86 
87 cx::ImagePtr Utilities::create3DImage(Eigen::Array3i dim, cx::Vector3D spacing, const unsigned int voxelValue)
88 {
89  vtkImageDataPtr vtkImageData = cx::generateVtkImageData(dim, spacing, voxelValue);
90  QString unique_string = qstring_cast(reinterpret_cast<long>(vtkImageData.GetPointer()));
91  QString imagesUid = QString("TESTUID_%2_%1").arg(unique_string);
92  cx::ImagePtr image(new cx::Image(imagesUid, vtkImageData));
93 
94  return image;
95 }
96 
97 
98 std::vector<cx::ImagePtr> Utilities::create3DImages(unsigned int count, Eigen::Array3i dim, const unsigned int voxelValue)
99 {
100  std::vector<cx::ImagePtr> retval;
101  for (unsigned i=0; i<count; ++i)
102  {
103  cx::ImagePtr image = cxtest::Utilities::create3DImage(dim, voxelValue);
104  retval.push_back(image);
105  }
106  return retval;
107 }
108 
109 unsigned int Utilities::getNumberOfVoxelsAboveThreshold(vtkImageDataPtr image, int threshold, int component)
110 {
111  if (!image)
112  return 0;
113 
114  unsigned char* ptr = reinterpret_cast<unsigned char*>(image->GetScalarPointer());
115  unsigned int pixelCount = 0;
116  for (unsigned i = 0; i < image->GetDimensions()[0]*image->GetDimensions()[1]*image->GetDimensions()[2]; ++i)
117  {
118  if (ptr[i*image->GetNumberOfScalarComponents()+component] > threshold)
119  ++pixelCount;
120  }
121  return pixelCount;
122 }
123 
125 {
126  return getNumberOfVoxelsAboveThreshold(image, 0);
127 }
128 
129 double Utilities::getFractionOfVoxelsAboveThreshold(vtkImageDataPtr image, int threshold, int component)
130 {
131  unsigned int hits = getNumberOfVoxelsAboveThreshold(image, threshold, component);
132  Eigen::Array3i dim(image->GetDimensions());
133  unsigned int totalPixels = dim[0]*dim[1]*dim[2];
134  if (totalPixels==0)
135  return -1;
136  return double(hits)/double(totalPixels);
137 }
138 
139 void Utilities::sleep_sec(int seconds)
140 {
141 #ifndef CX_WINDOWS
142  sleep(seconds); //seconds
143 #else
144  Sleep(seconds*1000); //milliseconds
145 #endif
146 }
147 
148 } /* namespace cxtest */
QString qstring_cast(const T &val)
boost::shared_ptr< class Image > ImagePtr
Definition: cxDicomWidget.h:48
static std::vector< cx::ImagePtr > create3DImages(unsigned int imageCount, Eigen::Array3i dim=Eigen::Array3i(3, 3, 3), const unsigned int voxelValue=100)
static cx::ImagePtr create3DImage(Eigen::Array3i dim=Eigen::Array3i(3, 3, 3), const unsigned int voxelValue=100)
static void sleep_sec(int seconds)
static double getFractionOfVoxelsAboveThreshold(vtkImageDataPtr image, int threshold, int component=0)
A volumetric data set.
Definition: cxImage.h:66
static QString getTestDataPath()
return path to test data folder
vtkImageDataPtr generateVtkImageData(Eigen::Array3i dim, Vector3D spacing, const unsigned char initValue, int components)
Eigen::Vector3d Vector3D
Vector3D is a representation of a point or vector in 3D.
Definition: cxVector3D.h:63
static unsigned int getNumberOfVoxelsAboveThreshold(vtkImageDataPtr image, int threshold, int component=0)
static QString getDataRoot(QString suffix="")
vtkSmartPointer< class vtkImageData > vtkImageDataPtr
static unsigned int getNumberOfNonZeroVoxels(vtkImageDataPtr image)
static vtkImageDataPtr create3DVtkImageData(Eigen::Array3i dim=Eigen::Array3i(3, 3, 3), const unsigned int voxelValue=100)