1 /*****************************************************************************
4 ** Name: threadrecon.cpp
5 ** Purpose: Threaded reconstruction class
6 ** Programmer: Kevin Rosenberg
7 ** Date Started: February 2001
9 ** This is part of the CTSim program
10 ** Copyright (C) 1983-2001 Kevin Rosenberg
12 ** $Id: threadrecon.cpp,v 1.5 2001/02/23 03:28:26 kevin Exp $
14 ** This program is free software; you can redistribute it and/or modify
15 ** it under the terms of the GNU General Public License (version 2) as
16 ** published by the Free Software Foundation.
18 ** This program is distributed in the hope that it will be useful,
19 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ** GNU General Public License for more details.
23 ** You should have received a copy of the GNU General Public License
24 ** along with this program; if not, write to the Free Software
25 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 ******************************************************************************/
28 #include "wx/wxprec.h"
38 #include "threadrecon.h"
39 #include "backgroundmgr.h"
41 #if defined(HAVE_CONFIG_H)
46 IMPLEMENT_DYNAMIC_CLASS(ThreadedReconstructor, BackgroundTask)
47 BEGIN_EVENT_TABLE(ThreadedReconstructor, BackgroundTask)
48 EVT_MENU(RECONSTRUCTION_THREAD_EVENT, ThreadedReconstructor::OnThreadEvent)
53 RTHREAD_UNIT_COMPLETE = -1,
54 RTHREAD_THREAD_DONE = -2,
55 RTHREAD_THREAD_CANCELLED = -3,
58 ThreadedReconstructor::ThreadedReconstructor (ProjectionFileView* pProjView,
59 int iImageNX, int iImageNY, const char* pszFilterName, double dFilterParam, const char* pszFilterMethod,
60 int iZeropad, const char* pszFilterGenerationName, const char* pszInterpName, int iInterpParam,
61 const char* pszBackprojectName, const char* const pszLabel)
62 : m_pProjView(pProjView), m_pDialogProgress(NULL), m_pGauge(NULL), m_bFail(false), m_iNumThreads(0), m_iImageNX(iImageNX),
63 m_iImageNY(iImageNY), m_strLabel(pszLabel), m_pTimer(NULL), m_bCancelled(false), m_bCancelling(false),
66 m_iNumThreads = theApp->getNumberCPU();
68 m_iTotalViews = m_pProjView->GetDocument()->getProjections().nView();
69 int iBaseViews = m_iTotalViews / m_iNumThreads;
70 int iExtraViews = m_iTotalViews % m_iNumThreads;
72 m_vecpChildImageFile.reserve (m_iNumThreads);
73 m_vecpThread.reserve (m_iNumThreads);
75 for (unsigned int iProc = 0; iProc < m_iNumThreads; iProc++) {
76 m_vecpChildImageFile[iProc] = new ImageFile (iImageNX, iImageNY);
78 int iStartView = iProc * iBaseViews;
79 int iNumViews = iBaseViews;
80 if (iProc < iExtraViews)
82 m_vecpThread[iProc] = new ReconstructionThread (this, pProjView, m_vecpChildImageFile[iProc], iProc, iStartView, iNumViews,
83 pszFilterName, dFilterParam, pszFilterMethod, iZeropad, pszFilterGenerationName, pszInterpName, iInterpParam, pszBackprojectName);
84 if (m_vecpThread[iProc]->Create () != wxTHREAD_NO_ERROR) {
94 ThreadedReconstructor::start()
99 m_pProjView->GetDocument()->addReconstructor (this);
100 if (! theApp->getUseBackgroundTasks())
101 m_pDialogProgress = new wxProgressDialog (_T("Filtered Backprojection"), _T("Reconstruction Progress"), m_iTotalViews, m_pProjView->getFrame(), wxPD_CAN_ABORT | wxPD_AUTO_HIDE);
103 std::string strLabel ("Reconstructing ");
104 strLabel += m_pProjView->GetFrame()->GetTitle();
105 m_pGauge = theApp->getBackgroundManager()->addTask (this, m_iTotalViews, strLabel.c_str());
108 m_iRunning = m_iNumThreads;
110 m_pTimer = new Timer;
112 // starting all threads
113 for (int i = 0; i < m_iNumThreads; i++)
114 m_vecpThread[i]->Run();
123 ThreadedReconstructor::cancel()
125 if (isDone() || m_bCancelled)
128 m_bCancelling = false;
133 ThreadedReconstructor::cleanUp()
135 wxCriticalSection cleanSection;
136 cleanSection.Enter();
138 for (int i = 0; i < m_iNumThreads; i++)
139 if (m_vecpThread[i] && m_vecpThread[i]->IsRunning()) {
140 m_vecpThread[i]->Pause();
141 m_vecpThread[i]->Delete();
144 for (i = 0; i < m_iNumThreads; i++) {
145 delete m_vecpChildImageFile[i];
146 m_vecpChildImageFile[i] = NULL;
151 delete m_pDialogProgress;
153 m_pDialogProgress = NULL;
156 m_pProjView->GetDocument()->removeReconstructor (this);
157 theApp->getBackgroundManager()->taskDone (this);
159 cleanSection.Leave();
163 ThreadedReconstructor::onDone()
165 wxCriticalSection doneSection;
168 m_pProjView->GetDocument()->removeReconstructor (this);
169 ImageFileDocument* pReconDoc = theApp->newImageDoc();
171 sys_error (ERR_SEVERE, "Unable to create image file");
176 ImageFile* pImageFile = getImageFile();
177 pReconDoc->setImageFile (pImageFile);
178 if (theApp->getAskDeleteNewDocs())
179 pReconDoc->Modify (true);
180 pReconDoc->UpdateAllViews (m_pProjView);
181 if (ImageFileView* rasterView = pReconDoc->getView()) {
182 rasterView->OnUpdate (rasterView, NULL);
183 rasterView->getFrame()->SetFocus();
184 rasterView->getFrame()->Show(true);
186 *theApp->getLog() << m_strLabel << "\n";
187 pImageFile->labelAdd (m_pProjView->GetDocument()->getProjections().getLabel());
188 pImageFile->labelAdd (m_strLabel.c_str(), m_pTimer->timerEnd());
196 ThreadedReconstructor::OnThreadEvent (wxCommandEvent& event)
200 wxCriticalSection eventSection;
201 eventSection.Enter();
203 eventSection.Leave();
207 int iEventId = event.GetInt();
208 if (iEventId == RTHREAD_UNIT_COMPLETE) {
212 if (theApp->getVerboseLogging())
213 *theApp->getLog() << "Views done: " << static_cast<int>(m_iViewsDone) <<"\n";
216 if (m_pDialogProgress)
217 m_bCancelling = ! m_pDialogProgress->Update (m_iViewsDone - 1);
219 m_pGauge->SetValue (m_iViewsDone - 1);
220 eventSection.Leave();
221 m_bCancelling = theApp->getBackgroundManager()->isCancelling(this);
223 if (! isDone() && m_bCancelling) {
224 eventSection.Leave();
229 else if (event.GetInt() >= 0) {
231 m_vecpThread[event.GetInt()] = NULL;
232 *theApp->getLog() << "Thread finished. Remaining threads: " << m_iRunning << "\n";
233 if (m_iRunning <= 0) {
234 eventSection.Leave();
240 *theApp->getLog() << "Got event #" << iEventId << "\n";
242 eventSection.Leave();
246 ThreadedReconstructor::getImageFile()
248 ImageFile* pImageFile = new ImageFile (m_iImageNX, m_iImageNY);
249 pImageFile->arrayDataClear();
250 ImageFileArray pArray = pImageFile->getArray();
253 for (i = 0; i < m_iNumThreads; i++) {
254 ImageFileArrayConst pChildArray = m_vecpChildImageFile[i]->getArray();
255 for (int ix = 0; ix < m_iImageNX; ix++)
256 for (int iy = 0; iy < m_iImageNY; iy++)
257 pArray[ix][iy] += pChildArray[ix][iy];
264 ThreadedReconstructor::testDone()
266 return (m_iRunning <= 0 ? true : false);
270 ThreadedReconstructor::~ThreadedReconstructor()
275 ReconstructionThread::ReconstructionThread
276 (ThreadedReconstructor* pSupervisor, ProjectionFileView* pProjView, ImageFile* pImageFile, int iThread, int iStartView, int iNumViews,
277 const char* pszFilterName, double dFilterParam, const char* pszFilterMethod,
278 int iZeropad, const char* pszFilterGenerationName, const char* pszInterpName, int iInterpParam,
279 const char* pszBackprojectName)
280 : m_pSupervisor(pSupervisor),
281 m_iStartView(iStartView), m_iNumViews(iNumViews), m_iThread(iThread),
282 wxThread(wxTHREAD_DETACHED)
284 m_pReconstructor = new Reconstructor (pProjView->GetDocument()->getProjections(),
285 *pImageFile, pszFilterName, dFilterParam, pszFilterMethod, iZeropad, pszFilterGenerationName,
286 pszInterpName, iInterpParam, pszBackprojectName, Trace::TRACE_NONE);
290 ReconstructionThread::Entry ()
292 wxCommandEvent eventProgress (wxEVT_COMMAND_MENU_SELECTED, RECONSTRUCTION_THREAD_EVENT);
294 for (int iView = 0; iView < m_iNumViews; iView++) {
297 msg.Printf("TestDestroy TRUE at view #%d\n", iView);
298 wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, MAINMENU_LOG_EVENT );
299 event.SetString( msg );
300 wxPostEvent( theApp->getMainFrame(), event ); // send in a thread-safe way
301 return reinterpret_cast<wxThread::ExitCode>(RTHREAD_THREAD_CANCELLED);
303 m_pReconstructor->reconstructView (iView + m_iStartView, 1);
304 eventProgress.SetInt (RTHREAD_UNIT_COMPLETE);
305 wxPostEvent (m_pSupervisor, eventProgress);
307 m_pReconstructor->postProcessing();
309 eventProgress.SetInt (m_iThread); // Send back thread# that has finished
310 wxPostEvent (m_pSupervisor, eventProgress);
312 return reinterpret_cast<wxThread::ExitCode>(0);
316 ReconstructionThread::OnExit ()
318 delete m_pReconstructor;