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 1.3 2001/02/22 18:22:40 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_vecpReconstructor.reserve (m_iNumThreads);
74 m_vecpThread.reserve (m_iNumThreads);
76 for (unsigned int iProc = 0; iProc < m_iNumThreads; iProc++) {
77 m_vecpChildImageFile[iProc] = new ImageFile (iImageNX, iImageNY);
78 m_vecpReconstructor[iProc] = new Reconstructor (m_pProjView->GetDocument()->getProjections(), *m_vecpChildImageFile[iProc],
79 pszFilterName, dFilterParam, pszFilterMethod, iZeropad, pszFilterGenerationName,
80 pszInterpName, iInterpParam, pszBackprojectName, Trace::TRACE_NONE);
82 int iStartView = iProc * iBaseViews;
83 int iNumViews = iBaseViews;
84 if (iProc < iExtraViews)
86 m_vecpThread[iProc] = new ReconstructionThread (this, m_vecpReconstructor[iProc], iProc, iStartView, iNumViews);
87 if (m_vecpThread[iProc]->Create () != wxTHREAD_NO_ERROR) {
97 ThreadedReconstructor::start()
102 m_pProjView->GetDocument()->addReconstructor (this);
103 if (! theApp->getUseBackgroundTasks())
104 m_pDialogProgress = new wxProgressDialog (_T("Filtered Backprojection"), _T("Reconstruction Progress"), m_iTotalViews, m_pProjView->getFrame(), wxPD_CAN_ABORT | wxPD_AUTO_HIDE);
106 m_pGauge = theApp->getBackgroundManager()->addTask (this, m_iTotalViews, m_pProjView->GetFrame()->GetTitle());
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;
148 for (i = 0; i < m_iNumThreads; i++) {
149 delete m_vecpReconstructor[i];
150 m_vecpReconstructor[i] = NULL;
156 delete m_pDialogProgress;
158 m_pDialogProgress = NULL;
161 m_pProjView->GetDocument()->removeReconstructor (this);
162 theApp->getBackgroundManager()->taskDone (this);
164 cleanSection.Leave();
168 ThreadedReconstructor::onDone()
170 wxCriticalSection doneSection;
173 m_pProjView->GetDocument()->removeReconstructor (this);
174 ImageFileDocument* pReconDoc = theApp->newImageDoc();
176 sys_error (ERR_SEVERE, "Unable to create image file");
181 for (int i = 0; i < m_iNumThreads; i++) {
182 delete m_vecpReconstructor[i];
183 m_vecpReconstructor[i] = NULL;
186 ImageFile* pImageFile = getImageFile();
187 pReconDoc->setImageFile (pImageFile);
188 if (theApp->getAskDeleteNewDocs())
189 pReconDoc->Modify (true);
190 pReconDoc->UpdateAllViews (m_pProjView);
191 if (ImageFileView* rasterView = pReconDoc->getView()) {
192 rasterView->OnUpdate (rasterView, NULL);
193 rasterView->getFrame()->SetFocus();
194 rasterView->getFrame()->Show(true);
196 *theApp->getLog() << m_strLabel << "\n";
197 pImageFile->labelAdd (m_pProjView->GetDocument()->getProjections().getLabel());
198 pImageFile->labelAdd (m_strLabel.c_str(), m_pTimer->timerEnd());
206 ThreadedReconstructor::OnThreadEvent (wxCommandEvent& event)
210 wxCriticalSection eventSection;
211 eventSection.Enter();
213 eventSection.Leave();
217 int iEventId = event.GetInt();
218 if (iEventId == RTHREAD_UNIT_COMPLETE) {
222 if (theApp->getVerboseLogging())
223 *theApp->getLog() << "Views done: " << static_cast<int>(m_iViewsDone) <<"\n";
226 if (m_pDialogProgress)
227 m_bCancelling = ! m_pDialogProgress->Update (m_iViewsDone - 1);
229 m_pGauge->SetValue (m_iViewsDone - 1);
230 eventSection.Leave();
231 m_bCancelling = theApp->getBackgroundManager()->isCancelling(this);
233 if (! isDone() && m_bCancelling) {
234 eventSection.Leave();
239 else if (event.GetInt() >= 0) {
241 m_vecpThread[event.GetInt()] = NULL;
242 *theApp->getLog() << "Thread finished. Remaining threads: " << m_iRunning << "\n";
243 if (m_iRunning <= 0) {
244 eventSection.Leave();
250 *theApp->getLog() << "Got event #" << iEventId << "\n";
252 eventSection.Leave();
256 ThreadedReconstructor::getImageFile()
258 ImageFile* pImageFile = new ImageFile (m_iImageNX, m_iImageNY);
259 pImageFile->arrayDataClear();
260 ImageFileArray pArray = pImageFile->getArray();
263 for (i = 0; i < m_iNumThreads; i++) {
264 ImageFileArrayConst pChildArray = m_vecpChildImageFile[i]->getArray();
265 for (int ix = 0; ix < m_iImageNX; ix++)
266 for (int iy = 0; iy < m_iImageNY; iy++)
267 pArray[ix][iy] += pChildArray[ix][iy];
274 ThreadedReconstructor::testDone()
276 return (m_iRunning <= 0 ? true : false);
280 ThreadedReconstructor::~ThreadedReconstructor()
285 ReconstructionThread::ReconstructionThread (ThreadedReconstructor* pSupervisor,
286 Reconstructor* pReconstructor, int iThread, int iStartView, int iNumViews)
287 : m_pSupervisor(pSupervisor), m_pReconstructor(pReconstructor),
288 m_iStartView(iStartView), m_iNumViews(iNumViews), m_iThread(iThread),
289 wxThread(wxTHREAD_DETACHED)
294 ReconstructionThread::Entry ()
296 wxCommandEvent eventProgress (wxEVT_COMMAND_MENU_SELECTED, RECONSTRUCTION_THREAD_EVENT);
297 for (int iView = 0; iView < m_iNumViews; iView++) {
300 msg.Printf("TestDestroy TRUE at view #%d\n", iView);
301 wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, MAINMENU_LOG_EVENT );
302 event.SetString( msg );
303 wxPostEvent( theApp->getMainFrame(), event ); // send in a thread-safe way
304 return reinterpret_cast<wxThread::ExitCode>(RTHREAD_THREAD_CANCELLED);
306 m_pReconstructor->reconstructView (iView + m_iStartView, 1);
307 eventProgress.SetInt (RTHREAD_UNIT_COMPLETE);
308 wxPostEvent (m_pSupervisor, eventProgress);
311 eventProgress.SetInt (m_iThread); // Send back thread# that has finished
312 wxPostEvent (m_pSupervisor, eventProgress);
314 return reinterpret_cast<wxThread::ExitCode>(0);
318 ReconstructionThread::OnExit ()