Mercurial > hg > orthanc
view Resources/Samples/OrthancClient/Vtk/main.cpp @ 1197:61b71ccac362 db-changes
integration mainline->db-changes
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 23 Oct 2014 13:19:18 +0200 |
parents | 2d0a347e8cfc |
children | 6e7e5ed91c2d |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, * Belgium * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, * modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. **/ #include <iostream> #include <vtkRenderWindow.h> #include <vtkImageData.h> #include <vtkPiecewiseFunction.h> #include <vtkFixedPointVolumeRayCastMapper.h> #include <vtkColorTransferFunction.h> #include <vtkVolumeProperty.h> #include <vtkRenderWindowInteractor.h> #include <vtkRenderer.h> #include <vtkSmartPointer.h> #include <vtkOpenGLRenderer.h> #include <vtkInteractorStyleTrackballCamera.h> #include <orthanc/OrthancCppClient.h> void Display(OrthancClient::Series& series) { /** * Load the 3D image from Orthanc into VTK. **/ vtkSmartPointer<vtkImageData> image = vtkSmartPointer<vtkImageData>::New(); image->SetDimensions(series.GetWidth(), series.GetHeight(), series.GetInstanceCount()); image->SetScalarType(VTK_SHORT); image->AllocateScalars(); if (series.GetWidth() != 0 && series.GetHeight() != 0 && series.GetInstanceCount() != 0) { series.Load3DImage(image->GetScalarPointer(0, 0, 0), Orthanc::PixelFormat_SignedGrayscale16, 2 * series.GetWidth(), 2 * series.GetHeight() * series.GetWidth()); } image->SetSpacing(series.GetVoxelSizeX(), series.GetVoxelSizeY(), series.GetVoxelSizeZ()); /** * The following code is based on the VTK sample for MIP * http://www.vtk.org/Wiki/VTK/Examples/Cxx/VolumeRendering/MinIntensityRendering **/ // Create a transfer function mapping scalar value to opacity double range[2]; image->GetScalarRange(range); vtkSmartPointer<vtkPiecewiseFunction> opacityTransfer = vtkSmartPointer<vtkPiecewiseFunction>::New(); opacityTransfer->AddSegment(range[0], 0.0, range[1], 1.0); vtkSmartPointer<vtkColorTransferFunction> colorTransfer = vtkSmartPointer<vtkColorTransferFunction>::New(); colorTransfer->AddRGBPoint(0, 1.0, 1.0, 1.0); colorTransfer->AddRGBPoint(range[1], 1.0, 1.0, 1.0); vtkSmartPointer<vtkVolumeProperty> property = vtkSmartPointer<vtkVolumeProperty>::New(); property->SetScalarOpacity(opacityTransfer); property->SetColor(colorTransfer); property->SetInterpolationTypeToLinear(); // Create a Maximum Intensity Projection rendering vtkSmartPointer<vtkFixedPointVolumeRayCastMapper> mapper = vtkSmartPointer<vtkFixedPointVolumeRayCastMapper>::New(); mapper->SetBlendModeToMaximumIntensity(); mapper->SetInput(image); vtkSmartPointer<vtkVolume> volume = vtkSmartPointer<vtkVolume>::New(); volume->SetMapper(mapper); volume->SetProperty(property); vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkOpenGLRenderer>::New(); renderer->AddViewProp(volume); renderer->SetBackground(0.1, 0.2, 0.3); // Background color dark blue vtkSmartPointer<vtkInteractorStyleTrackballCamera> style = vtkSmartPointer<vtkInteractorStyleTrackballCamera>::New(); vtkSmartPointer<vtkRenderWindow> window = vtkSmartPointer<vtkRenderWindow>::New(); window->AddRenderer(renderer); vtkSmartPointer<vtkRenderWindowInteractor> interactor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); interactor->SetRenderWindow(window); interactor->SetInteractorStyle(style); interactor->Start(); } int main() { try { // The following explicit initialization is not required, except // if you wish to specify the full path to the shared library OrthancClient::Initialize(); // Use the commented code below if you know the identifier of a // series that corresponds to a 3D image. /* { OrthancClient::OrthancConnection orthanc("http://localhost:8042"); OrthancClient::Series series(orthanc, "dc5ec3d9-6e1a7b2c-73a829f0-64c609f6-ef976a97"); Display(series); return 0; } */ // Try and find a 3D image inside the local store OrthancClient::OrthancConnection orthanc("http://localhost:8042"); for (unsigned int i = 0; i < orthanc.GetPatientCount(); i++) { OrthancClient::Patient patient(orthanc.GetPatient(i)); std::cout << "Patient: " << patient.GetId() << std::endl; for (unsigned int j = 0; j < patient.GetStudyCount(); j++) { OrthancClient::Study study(patient.GetStudy(j)); std::cout << " Study: " << study.GetId() << std::endl; for (unsigned int k = 0; k < study.GetSeriesCount(); k++) { OrthancClient::Series series(study.GetSeries(k)); std::cout << " Series: " << series.GetId() << std::endl; if (series.Is3DImage()) { Display(series); return 0; } else { std::cout << " => Not a 3D image..." << std::endl; } } } } std::cout << "Unable to find a 3D image in the local Orthanc store" << std::endl; return 0; } catch (OrthancClient::OrthancClientException& e) { std::cerr << "EXCEPTION: [" << e.What() << "]" << std::endl; return -1; } }