** This is part of the CTSim program
** Copyright (C) 1983-2001 Kevin Rosenberg
**
-** $Id: threadrecon.cpp,v 1.3 2001/02/22 18:22:40 kevin Exp $
+** $Id$
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
******************************************************************************/
+
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "views.h"
#include "threadrecon.h"
#include "backgroundmgr.h"
+#include "backgroundsupr.h"
-#if defined(HAVE_CONFIG_H)
-#include "config.h"
-#endif
+#ifdef HAVE_WXTHREADS
-IMPLEMENT_DYNAMIC_CLASS(ThreadedReconstructor, BackgroundTask)
-BEGIN_EVENT_TABLE(ThreadedReconstructor, BackgroundTask)
-EVT_MENU(RECONSTRUCTION_THREAD_EVENT, ThreadedReconstructor::OnThreadEvent)
-END_EVENT_TABLE()
-enum {
- RTHREAD_UNIT_COMPLETE = -1,
- RTHREAD_THREAD_DONE = -2,
- RTHREAD_THREAD_CANCELLED = -3,
-};
+/////////////////////////////////////////////////////////////////////
+//
+// Class ReconstructorSupervisorThread -- Thread for Background Supervisor
+//
+/////////////////////////////////////////////////////////////////////
-ThreadedReconstructor::ThreadedReconstructor (ProjectionFileView* pProjView,
- int iImageNX, int iImageNY, const char* pszFilterName, double dFilterParam, const char* pszFilterMethod,
- int iZeropad, const char* pszFilterGenerationName, const char* pszInterpName, int iInterpParam,
- const char* pszBackprojectName, const char* const pszLabel)
- : m_pProjView(pProjView), m_pDialogProgress(NULL), m_pGauge(NULL), m_bFail(false), m_iNumThreads(0), m_iImageNX(iImageNX),
- m_iImageNY(iImageNY), m_strLabel(pszLabel), m_pTimer(NULL), m_bCancelled(false), m_bCancelling(false),
- BackgroundTask()
+ReconstructorSupervisorThread::ReconstructorSupervisorThread (ProjectionFileView* pProjView, int iNX, int iNY,
+ const char* pszFilterName, double dFilterParam, const char* pszFilterMethod, int iZeropad,
+ const char* pszFilterGenerationName, const char* pszInterpName, int iInterpParam,
+ const char* pszBackprojectName, wxChar const* pszLabel, ReconstructionROI* pROI, bool bRebinToParallel)
+: SupervisorThread(), m_pProjView(pProjView), m_iNX(iNX), m_iNY(iNY), m_strFilterName(pszFilterName), m_dFilterParam(dFilterParam),
+ m_strFilterMethod(pszFilterMethod), m_iZeropad(iZeropad), m_strFilterGenerationName(pszFilterGenerationName),
+ m_strInterpName(pszInterpName), m_iInterpParam(iInterpParam), m_strBackprojectName(pszBackprojectName),
+ m_strLabel(pszLabel), m_reconROI(*pROI), m_bRebinToParallel(bRebinToParallel)
{
- m_iNumThreads = theApp->getNumberCPU();
- // ++m_iNumThreads;
- m_iTotalViews = m_pProjView->GetDocument()->getProjections().nView();
- int iBaseViews = m_iTotalViews / m_iNumThreads;
- int iExtraViews = m_iTotalViews % m_iNumThreads;
-
- m_vecpChildImageFile.reserve (m_iNumThreads);
- m_vecpReconstructor.reserve (m_iNumThreads);
- m_vecpThread.reserve (m_iNumThreads);
-
- for (unsigned int iProc = 0; iProc < m_iNumThreads; iProc++) {
- m_vecpChildImageFile[iProc] = new ImageFile (iImageNX, iImageNY);
- m_vecpReconstructor[iProc] = new Reconstructor (m_pProjView->GetDocument()->getProjections(), *m_vecpChildImageFile[iProc],
- pszFilterName, dFilterParam, pszFilterMethod, iZeropad, pszFilterGenerationName,
- pszInterpName, iInterpParam, pszBackprojectName, Trace::TRACE_NONE);
-
- int iStartView = iProc * iBaseViews;
- int iNumViews = iBaseViews;
- if (iProc < iExtraViews)
- ++iNumViews;
- m_vecpThread[iProc] = new ReconstructionThread (this, m_vecpReconstructor[iProc], iProc, iStartView, iNumViews);
- if (m_vecpThread[iProc]->Create () != wxTHREAD_NO_ERROR) {
- m_bFail = true;
- break;
- }
- }
-
}
-
-bool
-ThreadedReconstructor::start()
+wxThread::ExitCode
+ReconstructorSupervisorThread::Entry()
{
- if (m_bFail)
- return false;
-
- m_pProjView->GetDocument()->addReconstructor (this);
- if (! theApp->getUseBackgroundTasks())
- m_pDialogProgress = new wxProgressDialog (_T("Filtered Backprojection"), _T("Reconstruction Progress"), m_iTotalViews, m_pProjView->getFrame(), wxPD_CAN_ABORT | wxPD_AUTO_HIDE);
- else
- m_pGauge = theApp->getBackgroundManager()->addTask (this, m_iTotalViews, m_pProjView->GetFrame()->GetTitle());
-
- m_iRunning = m_iNumThreads;
- m_iViewsDone = 0;
- m_pTimer = new Timer;
-
- // starting all threads
- for (int i = 0; i < m_iNumThreads; i++)
- m_vecpThread[i]->Run();
-
- if (m_bCancelled)
- return false;
-
- return true;
+ Projections* pProj = &m_pProjView->GetDocument()->getProjections();
+
+ if (m_bRebinToParallel)
+ pProj = pProj->interpolateToParallel();
+
+ ReconstructorSupervisor reconSupervisor (this, pProj, m_pProjView, m_iNX, m_iNY,
+ m_strFilterName.c_str(), m_dFilterParam, m_strFilterMethod.c_str(), m_iZeropad, m_strFilterGenerationName.c_str(),
+ m_strInterpName.c_str(), m_iInterpParam, m_strBackprojectName.c_str(), m_strLabel, &m_reconROI);
+
+ reconSupervisor.start();
+ while (! reconSupervisor.workersDone() && ! reconSupervisor.fail() && ! reconSupervisor.cancelled()) {
+ Sleep(100);
+ }
+ if (reconSupervisor.fail())
+ {
+ wxString msg (_T("Error starting reconstructor supervisor: "));
+ msg += reconSupervisor.getFailMessage();
+ msg += _T("\n");
+ wxCommandEvent eventLog (wxEVT_COMMAND_MENU_SELECTED, MAINMENU_LOG_EVENT );
+ eventLog.SetString( msg );
+ wxPostEvent( theApp->getMainFrame(), eventLog ); // send log event
+ }
+ if (! reconSupervisor.cancelled())
+ reconSupervisor.onDone();
+ reconSupervisor.deleteWorkers();
+
+ if (m_bRebinToParallel)
+ delete pProj;
+
+ return static_cast<wxThread::ExitCode>(0);
}
void
-ThreadedReconstructor::cancel()
+ReconstructorSupervisorThread::OnExit()
{
- if (isDone() || m_bCancelled)
- return;
- m_bCancelled = true;
- m_bCancelling = false;
- cleanUp();
}
-void
-ThreadedReconstructor::cleanUp()
+
+/////////////////////////////////////////////////////////////////////
+//
+// Class ReconstructorSupervisor -- A Background Supervisor
+//
+/////////////////////////////////////////////////////////////////////
+
+ReconstructorSupervisor::ReconstructorSupervisor (SupervisorThread* pThread, Projections* pProj,
+ ProjectionFileView* pProjView, int iImageNX, int iImageNY, const char* pszFilterName, double dFilterParam,
+ const char* pszFilterMethod, int iZeropad, const char* pszFilterGenerationName,
+ const char* pszInterpName, int iInterpParam, const char* pszBackprojectName, wxChar const* pszLabel,
+ ReconstructionROI* pROI)
+ : BackgroundSupervisor (pThread, pProjView->GetFrame(), pProjView->GetDocument(),
+ _T("Reconstructing"),
+ pProjView->GetDocument()->getProjections().nView()),
+ m_pProj(pProj), m_pProjView(pProjView), m_pProjDoc(pProjView->GetDocument()),
+ m_iImageNX(iImageNX), m_iImageNY(iImageNY),
+ m_pszFilterName(pszFilterName), m_dFilterParam(dFilterParam), m_pszFilterMethod(pszFilterMethod),
+ m_iZeropad(iZeropad), m_pszFilterGenerationName(pszFilterGenerationName), m_pszInterpName(pszInterpName),
+ m_iInterpParam(iInterpParam), m_pszBackprojectName(pszBackprojectName), m_strLabel(pszLabel),
+ m_pReconROI(pROI)
{
- wxCriticalSection cleanSection;
- cleanSection.Enter();
-
- for (int i = 0; i < m_iNumThreads; i++)
- if (m_vecpThread[i] && m_vecpThread[i]->IsRunning()) {
- m_vecpThread[i]->Pause();
- m_vecpThread[i]->Delete();
- }
-
- for (i = 0; i < m_iNumThreads; i++) {
+ m_vecpChildImageFile.reserve (getNumWorkers());
+ for (int iThread = 0; iThread < getNumWorkers(); iThread++) {
+ m_vecpChildImageFile[iThread] = new ImageFile (m_iImageNX, m_iImageNY);
+ }
+
+}
+
+ReconstructorSupervisor::~ReconstructorSupervisor()
+{
+ for (int i = 0; i < getNumWorkers(); i++) {
delete m_vecpChildImageFile[i];
m_vecpChildImageFile[i] = NULL;
}
- for (i = 0; i < m_iNumThreads; i++) {
- delete m_vecpReconstructor[i];
- m_vecpReconstructor[i] = NULL;
- }
-
-
- m_iNumThreads = 0;
- m_iRunning = 0;
- delete m_pDialogProgress;
- delete m_pTimer;
- m_pDialogProgress = NULL;
- m_pGauge = NULL;
- setDone();
- m_pProjView->GetDocument()->removeReconstructor (this);
- theApp->getBackgroundManager()->taskDone (this);
-
- cleanSection.Leave();
+}
+
+BackgroundWorkerThread*
+ReconstructorSupervisor::createWorker (int iThread, int iStartUnit, int iNumUnits)
+{
+ ReconstructorWorker* pThread = new ReconstructorWorker (this, iThread, iStartUnit, iNumUnits);
+ pThread->SetParameters (m_pProj, m_pProjView, m_vecpChildImageFile[iThread], m_pszFilterName,
+ m_dFilterParam, m_pszFilterMethod, m_iZeropad, m_pszFilterGenerationName, m_pszInterpName,
+ m_iInterpParam, m_pszBackprojectName, m_pReconROI);
+
+ return pThread;
}
void
-ThreadedReconstructor::onDone()
+ReconstructorSupervisor::onDone()
{
wxCriticalSection doneSection;
- doneSection.Enter();
-
- m_pProjView->GetDocument()->removeReconstructor (this);
- ImageFileDocument* pReconDoc = theApp->newImageDoc();
- if (! pReconDoc) {
- sys_error (ERR_SEVERE, "Unable to create image file");
- doneSection.Leave();
- return;
- }
-
- for (int i = 0; i < m_iNumThreads; i++) {
- delete m_vecpReconstructor[i];
- m_vecpReconstructor[i] = NULL;
- }
-
+ wxCriticalSectionLocker critsect (doneSection);
+
ImageFile* pImageFile = getImageFile();
- pReconDoc->setImageFile (pImageFile);
- if (theApp->getAskDeleteNewDocs())
- pReconDoc->Modify (true);
- pReconDoc->UpdateAllViews (m_pProjView);
- if (ImageFileView* rasterView = pReconDoc->getView()) {
- rasterView->OnUpdate (rasterView, NULL);
- rasterView->getFrame()->SetFocus();
- rasterView->getFrame()->Show(true);
- }
- *theApp->getLog() << m_strLabel << "\n";
- pImageFile->labelAdd (m_pProjView->GetDocument()->getProjections().getLabel());
- pImageFile->labelAdd (m_strLabel.c_str(), m_pTimer->timerEnd());
-
- doneSection.Leave();
- cleanUp();
-}
+ pImageFile->labelAdd (m_pProj->getLabel());
+ pImageFile->labelAdd (m_strLabel.mb_str(wxConvUTF8), getTimerEnd());
+ wxCommandEvent eventLog (wxEVT_COMMAND_MENU_SELECTED, MAINMENU_LOG_EVENT );
+ wxString msg (m_strLabel);
+ msg += _T("\n");
+ eventLog.SetString( msg );
+ wxPostEvent( theApp->getMainFrame(), eventLog ); // send log event
-void
-ThreadedReconstructor::OnThreadEvent (wxCommandEvent& event)
-{
- if (isDone())
- return;
- wxCriticalSection eventSection;
- eventSection.Enter();
- if (isDone()) {
- eventSection.Leave();
- return;
- }
-
- int iEventId = event.GetInt();
- if (iEventId == RTHREAD_UNIT_COMPLETE) {
- ++m_iViewsDone;
-
-#ifdef DEBUG
- if (theApp->getVerboseLogging())
- *theApp->getLog() << "Views done: " << static_cast<int>(m_iViewsDone) <<"\n";
-#endif
-
- if (m_pDialogProgress)
- m_bCancelling = ! m_pDialogProgress->Update (m_iViewsDone - 1);
- else if (m_pGauge) {
- m_pGauge->SetValue (m_iViewsDone - 1);
- eventSection.Leave();
- m_bCancelling = theApp->getBackgroundManager()->isCancelling(this);
- }
- if (! isDone() && m_bCancelling) {
- eventSection.Leave();
- cancel();
- return;
- }
- }
- else if (event.GetInt() >= 0) {
- m_iRunning--;
- m_vecpThread[event.GetInt()] = NULL;
- *theApp->getLog() << "Thread finished. Remaining threads: " << m_iRunning << "\n";
- if (m_iRunning <= 0) {
- eventSection.Leave();
- onDone();
- return;
- }
- }
- else
- *theApp->getLog() << "Got event #" << iEventId << "\n";
-
- eventSection.Leave();
+ wxCommandEvent newImageEvent (wxEVT_COMMAND_MENU_SELECTED, NEW_IMAGEFILE_EVENT);
+ newImageEvent.SetClientData (pImageFile);
+ wxPostEvent (theApp->getMainFrame(), newImageEvent);
+
+ setDone();
}
+
ImageFile*
-ThreadedReconstructor::getImageFile()
+ReconstructorSupervisor::getImageFile()
{
ImageFile* pImageFile = new ImageFile (m_iImageNX, m_iImageNY);
pImageFile->arrayDataClear();
ImageFileArray pArray = pImageFile->getArray();
-
+
int i;
- for (i = 0; i < m_iNumThreads; i++) {
+ for (i = 0; i < getNumWorkers(); i++) {
ImageFileArrayConst pChildArray = m_vecpChildImageFile[i]->getArray();
for (int ix = 0; ix < m_iImageNX; ix++)
for (int iy = 0; iy < m_iImageNY; iy++)
pArray[ix][iy] += pChildArray[ix][iy];
}
-
- return (pImageFile);
-}
-bool
-ThreadedReconstructor::testDone()
-{
- return (m_iRunning <= 0 ? true : false);
+ return (pImageFile);
}
-ThreadedReconstructor::~ThreadedReconstructor()
-{
-}
-
+/////////////////////////////////////////////////////////////////////
+//
+// Class ReconstructorWorker -- A worker thread
+//
+/////////////////////////////////////////////////////////////////////
-ReconstructionThread::ReconstructionThread (ThreadedReconstructor* pSupervisor,
- Reconstructor* pReconstructor, int iThread, int iStartView, int iNumViews)
- : m_pSupervisor(pSupervisor), m_pReconstructor(pReconstructor),
- m_iStartView(iStartView), m_iNumViews(iNumViews), m_iThread(iThread),
- wxThread(wxTHREAD_DETACHED)
+void
+ReconstructorWorker::SetParameters (const Projections* pProj, ProjectionFileView* pProjView, ImageFile* pImageFile,
+ const char* pszFilterName, double dFilterParam, const char* pszFilterMethod, int iZeropad,
+ const char* pszFilterGenerationName, const char* pszInterpName, int iInterpParam,
+ const char* pszBackprojectName, ReconstructionROI* pROI)
{
+ m_pProj = pProj;
+ m_pProjView = pProjView;
+ m_pImageFile = pImageFile;
+ m_pszFilterName = pszFilterName;
+ m_dFilterParam = dFilterParam;
+ m_pszFilterMethod = pszFilterMethod;
+ m_iZeropad = iZeropad;
+ m_pszFilterGenerationName = pszFilterGenerationName;
+ m_pszInterpName = pszInterpName;
+ m_iInterpParam = iInterpParam;
+ m_pszBackprojectName = pszBackprojectName;
+ m_pReconROI = pROI;
}
wxThread::ExitCode
-ReconstructionThread::Entry ()
+ReconstructorWorker::Entry ()
{
- wxCommandEvent eventProgress (wxEVT_COMMAND_MENU_SELECTED, RECONSTRUCTION_THREAD_EVENT);
- for (int iView = 0; iView < m_iNumViews; iView++) {
- if (TestDestroy()) {
- wxString msg;
- msg.Printf("TestDestroy TRUE at view #%d\n", iView);
+ Reconstructor* pReconstructor = new Reconstructor (*m_pProj, *m_pImageFile, m_pszFilterName,
+ m_dFilterParam, m_pszFilterMethod, m_iZeropad, m_pszFilterGenerationName, m_pszInterpName,
+ m_iInterpParam, m_pszBackprojectName, Trace::TRACE_NONE, m_pReconROI, false);
+
+ bool bFail = pReconstructor->fail();
+ wxString failMsg;
+ if (bFail) {
+ failMsg = _T("Unable to make reconstructor: ");
+ failMsg += wxConvUTF8.cMB2WX(pReconstructor->failMessage().c_str());
wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, MAINMENU_LOG_EVENT );
- event.SetString( msg );
- wxPostEvent( theApp->getMainFrame(), event ); // send in a thread-safe way
- return reinterpret_cast<wxThread::ExitCode>(RTHREAD_THREAD_CANCELLED);
+ event.SetString( failMsg );
+ wxPostEvent( theApp->getMainFrame(), event );
+ }
+ else
+ {
+ wxCommandEvent eventProgress (wxEVT_COMMAND_MENU_SELECTED, BackgroundSupervisor::MSG_WORKER_THREAD_UNIT_TICK);
+ for (int iUnit = 0; iUnit < m_iNumUnits; iUnit++) {
+ if (TestDestroy()) {
+#ifdef DEBUG
+ if (theApp->getVerboseLogging()) {
+ wxString msg;
+ msg.Printf(_T("Worker thread: Received destroy message at work unit #%d\n"), iUnit);
+ wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, MAINMENU_LOG_EVENT );
+ event.SetString( msg );
+ wxPostEvent( theApp->getMainFrame(), event );
+ }
+#endif
+ break;
+ }
+ pReconstructor->reconstructView (iUnit + m_iStartUnit, 1);
+ m_pSupervisor->onWorkerUnitTick();
}
- m_pReconstructor->reconstructView (iView + m_iStartView, 1);
- eventProgress.SetInt (RTHREAD_UNIT_COMPLETE);
- wxPostEvent (m_pSupervisor, eventProgress);
+ pReconstructor->postProcessing();
+ }
+ delete pReconstructor;
+
+ if (bFail) {
+ m_pSupervisor->onWorkerFail (m_iThread, failMsg);
+ } else {
+ m_pSupervisor->onWorkerDone (m_iThread);
}
-
- eventProgress.SetInt (m_iThread); // Send back thread# that has finished
- wxPostEvent (m_pSupervisor, eventProgress);
-
+
+ while (! TestDestroy())
+ Sleep(100);
+
return reinterpret_cast<wxThread::ExitCode>(0);
}
void
-ReconstructionThread::OnExit ()
+ReconstructorWorker::OnExit ()
{
}
+
+#endif // HAVE_WXTHREADS
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