WebSVN – seema-scanner – Diff – /src/SMScanner.cpp


#include "SMScanner.h"
 
#include "ui_SMScanner.h"
 
#include <QMetaObject>
#include <QFileDialog>
#include <QMessageBox>
#include <QProgressDialog>
#include <QDesktopServices>
 
#include <pcl/io/pcd_io.h>
#include <pcl/io/ascii_io.h>
#include <pcl/io/ply_io.h>
#include <pcl/io/png_io.h>
#include <pcl/io/vtk_io.h>
#include <vtkPolyDataWriter.h>
#include <pcl/conversions.h>
 
#include "cvtools.h"
 
SMScanner::SMScanner(QWidget *parent) :QMainWindow(parent), ui(new Ui::SMScanner),
                                        calibrationReviewMode(false), captureReviewMode(false), lastCaptureId(-1){
 
    // Register metatypes
    qRegisterMetaType<cv::Mat>("cv::Mat");
    qRegisterMetaType< std::vector<cv::Mat> >("std::vector<cv::Mat>");
    qRegisterMetaType< std::vector<float> >("std::vector<float>");
    qRegisterMetaType<SMCalibrationSet>("SMCalibrationSet");
    qRegisterMetaType< std::vector<SMCalibrationSet> >("std::vector<SMCalibrationSet>");
    qRegisterMetaType<SMFrameSequence>("SMFrameSequence");
    qRegisterMetaType< std::vector<SMFrameSequence> >("std::vector<SMFrameSequence>");
    qRegisterMetaType<pcl::PointCloud<pcl::PointXYZRGB>::Ptr>("pcl::PointCloud<pcl::PointXYZRGB>::Ptr");
    qRegisterMetaType<SMPointCloud>("SMPointCloud");
    qRegisterMetaType< std::vector<SMPointCloud> >("std::vector<SMPointCloud>");
 
    // Setup ui (requires stream operators registered)
    ui->setupUi(this);
 
    // Restore geometry
    this->restoreGeometry(settings.value("geometry/mainwindow").toByteArray());
    this->restoreState(settings.value("state/mainwindow").toByteArray());
 
    // Set up capture thread
    captureWorker = new SMCaptureWorker;
    captureWorkerThread = new QThread(this);
    captureWorkerThread->setObjectName("captureWorkerThread");
    captureWorker->moveToThread(captureWorkerThread);
    captureWorkerThread->start();
 
    // Connections
    connect(captureWorker, SIGNAL(newFrame(unsigned int, cv::Mat)), this, SLOT(onReceiveFrame(unsigned int, cv::Mat)));
    connect(captureWorker, SIGNAL(newCalibrationSet(SMCalibrationSet)), this, SLOT(onReceiveCalibrationSet(SMCalibrationSet)));
    connect(captureWorker, SIGNAL(newFrameSequence(SMFrameSequence)), this, SLOT(onReceiveFrameSequence(SMFrameSequence)));
    connect(captureWorker, SIGNAL(rotatedTo(float)), this, SLOT(onReceiveRotatedTo(float)));
 
    // Start capturing
    QMetaObject::invokeMethod(captureWorker, "setup");
    QMetaObject::invokeMethod(captureWorker, "doWork");
 
    // Set up calibration thread
    calibrationWorker = new SMCalibrationWorker;
    calibrationWorkerThread = new QThread(this);
    calibrationWorkerThread->setObjectName("calibrationWorkerThread");
    calibrationWorker->moveToThread(calibrationWorkerThread);
    calibrationWorkerThread->start();
 
    // Connections
    connect(calibrationWorker, SIGNAL(newCheckerboardResult(int, SMCalibrationSet)), this, SLOT(onReceiveCheckerboardResult(int, SMCalibrationSet)));
    connect(calibrationWorker, SIGNAL(done()), this, SLOT(onReceiveCalibrationDone()));
    connect(calibrationWorker, SIGNAL(done()), ui->pointCloudWidget, SLOT(updateCalibrationParameters()));
//    connect(calibrationWorker, SIGNAL(done()), calibrationWorkerThread, SLOT(quit()));
//    connect(calibrationWorker, SIGNAL(done()), calibrationWorker, SLOT(deleteLater()));
    connect(calibrationWorker, SIGNAL(logMessage(QString)), &logDialog, SLOT(showLogMessage(QString)));
 
    // Set up reconstruction thread
    reconstructionWorker = new SMReconstructionWorker;
    reconstructionWorkerThread = new QThread(this);
    reconstructionWorkerThread->setObjectName("reconstructionWorkerThread");
    reconstructionWorker->moveToThread(reconstructionWorkerThread);
    reconstructionWorkerThread->start();
 
    // Connections
    connect(reconstructionWorker, SIGNAL(newPointCloud(SMPointCloud)), this, SLOT(onReceivePointCloud(SMPointCloud)));
    connect(reconstructionWorker, SIGNAL(done()), reconstructionWorkerThread, SLOT(quit()));
    connect(reconstructionWorker, SIGNAL(done()), reconstructionWorker, SLOT(deleteLater()));
 
}
 
void SMScanner::onReceiveFrame(unsigned int camId, cv::Mat frame){
 
    if(camId == 0){
        if(!calibrationReviewMode)
            ui->calibrationCamera0Widget->showImageCV(frame);
        if(!captureReviewMode)
            ui->captureCamera0Widget->showImageCV(frame);
    } else if(camId == 1){
        if(!calibrationReviewMode)
            ui->calibrationCamera1Widget->showImageCV(frame);
        if(!captureReviewMode)
            ui->captureCamera1Widget->showImageCV(frame);
    }
}
 
void SMScanner::on_actionPreferences_triggered(){
 
    connect(&preferenceDialog, SIGNAL(accepted()), this, SLOT(onPreferencesChanged()));
 
    preferenceDialog.show();
}
 
void SMScanner::onPreferencesChanged(){
 
    // Stop capture worker
//    connect(captureWorker, SIGNAL(finished()), captureWorker, SLOT(deleteLater()));
//    connect(captureWorker, SIGNAL(finished()), captureWorkerThread, SLOT(quit()));
    QMetaObject::invokeMethod(captureWorker, "stopWork");
//    captureWorkerThread->quit();
//    captureWorkerThread->wait();
 
//    // Restart capture worker
//    captureWorker = new SMCaptureWorker;
//    captureWorkerThread = new QThread(this);
//    captureWorkerThread->setObjectName("captureWorkerThread");
//    captureWorker->moveToThread(captureWorkerThread);
//    captureWorkerThread->start();
 
//    connect(captureWorker, SIGNAL(newFrame(unsigned int, cv::Mat)), this, SLOT(onReceiveFrame(unsigned int, cv::Mat)));
//    connect(captureWorker, SIGNAL(newCalibrationSet(SMCalibrationSet)), this, SLOT(onReceiveCalibrationSet(SMCalibrationSet)));
//    connect(captureWorker, SIGNAL(newFrameSequence(SMFrameSequence)), this, SLOT(onReceiveFrameSequence(SMFrameSequence)));
//    connect(captureWorker, SIGNAL(rotatedTo(float)), this, SLOT(onReceiveRotatedTo(float)));
 
    QMetaObject::invokeMethod(captureWorker, "setup");
    QMetaObject::invokeMethod(captureWorker, "doWork");
 
}
 
void SMScanner::closeEvent(QCloseEvent *event){
 
    // Close dialogs
    preferenceDialog.close();
    logDialog.close();
 
    // Stop capturing thread
    connect(captureWorker, SIGNAL(finished()), captureWorker, SLOT(deleteLater()));
    connect(captureWorker, SIGNAL(finished()), captureWorkerThread, SLOT(quit()));
    QMetaObject::invokeMethod(captureWorker, "stopWork");
    captureWorkerThread->quit();
    captureWorkerThread->wait();
 
    // Save window geometry
    settings.setValue("geometry/mainwindow", this->saveGeometry());
    settings.setValue("state/mainwindow", this->saveState());
 
    event->accept();
 
}
 
SMScanner::~SMScanner(){
    delete ui;
}
 
void SMScanner::on_singleCalibrationButton_clicked(){
 
    // If in review mode, go back to aquisition mode
    if(calibrationReviewMode){
        ui->calibrationListWidget->clearSelection();
        ui->singleCalibrationButton->setText("Single Aquisition");
        ui->batchCalibrationButton->setText("Batch Aquisition");
        calibrationReviewMode = false;
        return;
    }
 
    QMetaObject::invokeMethod(captureWorker, "acquireCalibrationSet", Q_ARG(float, -1.0));
 
}
 
 
void SMScanner::on_batchCalibrationButton_clicked(){
 
    // If in review mode, go back to aquisition mode
    if(calibrationReviewMode){
        ui->calibrationListWidget->clearSelection();
        ui->singleCalibrationButton->setText("Single Aquisition");
        ui->batchCalibrationButton->setText("Batch Aquisition");
        calibrationReviewMode = false;
        return;
    }
 
    // Construct vector of angles
    int angleStart = ui->calibrationBatchStartSpinBox->value();
    int angleEnd = ui->calibrationBatchEndSpinBox->value();
    int angleStep = ui->calibrationBatchStepSpinBox->value();
 
    if(angleStart > angleEnd)
        angleEnd += 360;
 
    std::vector<float> angles;
    for(int i=angleStart; i<=angleEnd; i+=angleStep)
        angles.push_back(i % 360);
 
    QMetaObject::invokeMethod(captureWorker, "acquireCalibrationSets", Q_ARG(std::vector<float>, angles));
 
    std::cout << "Aquiring sets at ";
    for(unsigned int i=0; i<angles.size(); i++)
        std::cout << angles[i] << " ";
    std::cout << " degrees" <<std::endl;
}
 
 
void SMScanner::on_calibrationRotationDial_sliderReleased(){
 
    float angle = ui->calibrationRotationDial->value();
    std::cout << "Rotation stage target: " << angle << std::endl;
    QMetaObject::invokeMethod(captureWorker, "rotateTo", Q_ARG(float, angle));
 
    ui->calibrationRotationSpinBox->setValue(angle);
 
    ui->captureRotationDial->setValue(angle);
    ui->captureRotationSpinBox->setValue(angle);
}
 
 
void SMScanner::on_calibrationRotationSpinBox_editingFinished(){
 
    float angle = ui->calibrationRotationSpinBox->value();
    std::cout << "Rotation stage target: " << angle << std::endl;
    QMetaObject::invokeMethod(captureWorker, "rotateTo", Q_ARG(float, angle));
 
    ui->calibrationRotationDial->setValue(angle);
 
    ui->captureRotationSpinBox->setValue(angle);
    ui->captureRotationDial->setValue(angle);
}
 
void SMScanner::onReceiveCalibrationSet(SMCalibrationSet calibrationSet){
 
    // Send to checkerboard detection on calibration thread
 
    if(settings.value("calibration/method").toString() == "Charuco")
        QMetaObject::invokeMethod(calibrationWorker, "checkerboardDetectionCharuco", Q_ARG(SMCalibrationSet, calibrationSet));
    else
        QMetaObject::invokeMethod(calibrationWorker, "checkerboardDetection", Q_ARG(SMCalibrationSet, calibrationSet));
 
}
 
void SMScanner::on_calibrateCamerasButton_clicked(){
 
    // disable ui elements
    ui->calibrateCamerasButton->setEnabled(false);
    ui->calibrateRotationStageButton->setEnabled(false);
    ui->calibrationFrame->setEnabled(false);
 
    // if none items are selected, we will use all available items
    if(ui->calibrationListWidget->selectedItems().empty())
        ui->calibrationListWidget->selectAll();
 
    // set selected flags
    for(unsigned int i=0; i<calibrationData.size(); i++){
        if(ui->calibrationListWidget->item(i)->isSelected())
            calibrationData[i].selected = true;
        else
            calibrationData[i].selected = false;
    }
 
    logDialog.show();
 
    // start calibration
    QSettings settings;
    if(settings.value("calibration/method").toString() == "Charuco")
        QMetaObject::invokeMethod(calibrationWorker, "cameraCalibrationCharuco", Q_ARG(std::vector<SMCalibrationSet>, calibrationData));
    else
        QMetaObject::invokeMethod(calibrationWorker, "cameraCalibration", Q_ARG(std::vector<SMCalibrationSet>, calibrationData));
 
 
}
 
void SMScanner::onReceiveCheckerboardResult(int idx, SMCalibrationSet calibrationSet){
 
    int id = ui->calibrationListWidget->count();
    calibrationSet.id = id;
 
    calibrationData.push_back(calibrationSet);
 
    // Add identifier to list
    QListWidgetItem* item = new QListWidgetItem(QString("Calibration Set %1 -- %2 deg").arg(id).arg(calibrationSet.rotationAngle), ui->calibrationListWidget);
    ui->calibrationListWidget->addItem(item);
    item->setSelected(true);
    ui->calibrationListWidget->setCurrentItem(item);
 
    // Enable calibration button
    if(calibrationData.size() >= 2){
        ui->calibrateCamerasButton->setEnabled(true);
        ui->calibrateRotationStageButton->setEnabled(true);
    }
 
    //ui->calibrationListWidget->setCurrentRow(idx);
}
 
void SMScanner::onReceiveCalibrationDone(){
 
    std::cout << "Calibration done!" << std::endl;
    ui->calibrateCamerasButton->setEnabled(true);
    ui->calibrateRotationStageButton->setEnabled(true);
    ui->calibrationFrame->setEnabled(true);
 
}
 
void SMScanner::on_calibrationListWidget_itemSelectionChanged(){
 
    // if selection is just cleared
    if(ui->calibrationListWidget->selectedItems().empty())
        return;
 
    calibrationReviewMode = true;
    ui->singleCalibrationButton->setText("Live View");
    ui->batchCalibrationButton->setText("Live View");
 
    int currentRow = ui->calibrationListWidget->currentRow();
    if(currentRow < 0)
        return;
 
    assert(currentRow < (int)calibrationData.size());
 
    // if checkerboard results are available, show them, otherwise show the frame
    if(calibrationData[currentRow].frame0Result.empty())
        ui->calibrationCamera0Widget->showImageCV(calibrationData[currentRow].frame0);
    else
        ui->calibrationCamera0Widget->showImageCV(calibrationData[currentRow].frame0Result);
 
    if(calibrationData[currentRow].frame1Result.empty())
        ui->calibrationCamera1Widget->showImageCV(calibrationData[currentRow].frame1);
    else
        ui->calibrationCamera1Widget->showImageCV(calibrationData[currentRow].frame1Result);
 
}
 
void SMScanner::on_captureRotationDial_sliderReleased(){
 
    float angle = ui->captureRotationDial->value();
    std::cout << "Rotation stage target: " << angle << std::endl;
    QMetaObject::invokeMethod(captureWorker, "rotateTo", Q_ARG(float, angle));
 
    ui->captureRotationSpinBox->setValue(ui->captureRotationDial->value());
 
    ui->calibrationRotationDial->setValue(ui->captureRotationDial->value());
    ui->calibrationRotationSpinBox->setValue(ui->captureRotationDial->value());
}
 
void SMScanner::on_captureRotationSpinBox_editingFinished(){
 
    float angle = ui->captureRotationSpinBox->value();
    std::cout << "Rotation stage target: " << angle << std::endl;
    QMetaObject::invokeMethod(captureWorker, "rotateTo", Q_ARG(float, angle));
 
    ui->captureRotationDial->setValue(angle);
 
    ui->calibrationRotationSpinBox->setValue(angle);
    ui->calibrationRotationDial->setValue(angle);
}
 
void SMScanner::on_singleCaptureButton_clicked(){
 
    // If in review mode, go back to aquisition mode
    if(captureReviewMode){
        ui->captureTreeWidget->clearSelection();
        ui->singleCaptureButton->setText("Single Aquisition");
        ui->batchCaptureButton->setText("Batch Aquisition");
        captureReviewMode = false;
        return;
    }
 
    QMetaObject::invokeMethod(captureWorker, "acquireFrameSequence", Q_ARG(float, -1.0));
 
}
 
 
void SMScanner::on_batchCaptureButton_clicked(){
 
    // If in review mode, go back to aquisition mode
    if(captureReviewMode){
        ui->captureTreeWidget->clearSelection();
        ui->singleCaptureButton->setText("Single Aquisition");
        ui->batchCaptureButton->setText("Batch Aquisition");
        captureReviewMode = false;
        return;
    }
 
    // Construct vector of angles
    int angleStart = ui->captureBatchStartSpinBox->value();
    int angleEnd = ui->captureBatchEndSpinBox->value();
    int angleStep = ui->captureBatchStepSpinBox->value();
 
    if(angleStart > angleEnd)
        angleEnd += 360;
 
    std::vector<float> angles;
    for(int i=angleStart; i<=angleEnd; i+=angleStep)
        angles.push_back(i % 360);
 
    std::cout << "Aquiring sequences at ";
    for(unsigned int i=0; i<angles.size(); i++)
        std::cout << angles[i] << " ";
    std::cout << " degrees" <<std::endl;
 
    QMetaObject::invokeMethod(captureWorker, "acquireFrameSequences", Q_ARG(std::vector<float>, angles));
}
 
void SMScanner::onReceiveFrameSequence(SMFrameSequence frameSequence){
 
    frameSequence.id = ++lastCaptureId;
 
    // Add identifier to list
    QTreeWidgetItem* item = new QTreeWidgetItem(ui->captureTreeWidget);
    item->setText(0, QString("Frame Sequence %1 -- %2 deg").arg(frameSequence.id).arg(frameSequence.rotationAngle));
    //item->setFlags(item->flags() | Qt::ItemIsUserCheckable);
    item->setData(0, Qt::UserRole, QPoint(frameSequence.id, -1));
    //item->setCheckState(0, Qt::Checked);
    //ui->captureTreeWidget->addItem(item);
 
    for(unsigned int i=0; i<frameSequence.frames0.size(); i++){
        QTreeWidgetItem* subItem = new QTreeWidgetItem(item);
        subItem->setText(0, QString("frames %1").arg(i));
        subItem->setData(0, Qt::UserRole, QPoint(frameSequence.id, i));
    }
 
    // Indicate that the current item is currently reconstructing
    item->setTextColor(0, QColor(128, 128, 128));
    item->setIcon(0, QIcon::fromTheme("system-run"));
 
    // Reconstruct the frame sequence
    QMetaObject::invokeMethod(reconstructionWorker, "reconstructPointCloud", Q_ARG(SMFrameSequence, frameSequence));
    frameSequence.reconstructed = true;
 
    captureData.push_back(frameSequence);
 
}
 
void SMScanner::on_captureTreeWidget_itemSelectionChanged(){
 
    // if selection is just cleared
    if(ui->captureTreeWidget->selectedItems().empty())
        return;
 
    QTreeWidgetItem *item = ui->captureTreeWidget->currentItem();
 
    captureReviewMode = true;
 
    ui->singleCaptureButton->setText("Live View");
    ui->batchCaptureButton->setText("Live View");
 
    QPoint idx = item->data(0, Qt::UserRole).toPoint();
 
    if( idx.y() != -1 && idx.x()>=0 && idx.x()<(int)captureData.size()
            && idx.y()<(int)captureData[idx.x()].frames0.size()
            && idx.y()<(int)captureData[idx.x()].frames1.size() ){
        // TODO idx.x() can & WILL be out of bounds
        ui->captureCamera0Widget->showImageCV(captureData[idx.x()].frames0[idx.y()]);
        ui->captureCamera1Widget->showImageCV(captureData[idx.x()].frames1[idx.y()]);
    }
 
//     std::cout << "on_captureTreeWidget_itemSelectionChanged" << std::endl;
}
 
 
void SMScanner::onReceiveRotatedTo(float angle){
 
    // update ui with new position
    ui->calibrationRotationDial->setValue(angle);
    ui->captureRotationDial->setValue(angle);
 
    ui->calibrationRotationSpinBox->setValue(angle);
    ui->captureRotationSpinBox->setValue(angle);
}
 
void SMScanner::on_actionExport_Sets_triggered(){
 
    QString dirName = QFileDialog::getExistingDirectory(this, "Export calibration sets", QString());
 
    QProgressDialog progressDialog("Exporting Sets...", "Cancel", 0, 100, this);
    progressDialog.setWindowModality(Qt::WindowModal);
    progressDialog.setMinimumDuration(1000);
 
    progressDialog.show();
    cv::Mat frameBGR;
    for(unsigned int i=0; i<calibrationData.size(); i++){
        QString fileName = QString("%1/frame0_%2.png").arg(dirName).arg(i);
 
        progressDialog.setValue(100.0*i/calibrationData.size());
 
        // Convert to BGR
        if(calibrationData[i].frame0.channels() == 1)
            cv::cvtColor(calibrationData[i].frame0, frameBGR, CV_BayerBG2BGR);
        else
            cv::cvtColor(calibrationData[i].frame1, frameBGR, CV_RGB2BGR);
 
        cv::imwrite(fileName.toStdString(), frameBGR);
        fileName = QString("%1/frame1_%2.png").arg(dirName).arg(i);
 
        // Convert to BGR
        if(calibrationData[i].frame1.channels() == 1)
            cv::cvtColor(calibrationData[i].frame1, frameBGR, CV_BayerBG2BGR);
        else
            cv::cvtColor(calibrationData[i].frame1, frameBGR, CV_RGB2BGR);
 
        cv::imwrite(fileName.toStdString(), frameBGR);
 
        // Necessary to prevent pileup of video frame signals
        QCoreApplication::processEvents();
 
        if(progressDialog.wasCanceled())
            return;
    }
 
}
 
void SMScanner::on_actionExport_Sequences_triggered(){
 
    QString dirName = QFileDialog::getExistingDirectory(this, "Export frame sequences", QString());
 
    QProgressDialog progressDialog("Exporting Sequences...", "Cancel", 0, 100, this);
    progressDialog.setWindowModality(Qt::WindowModal);
    progressDialog.setMinimumDuration(1000);
 
    progressDialog.show();
 
    cv::Mat frameBGR;
    for(unsigned int i=0; i<captureData.size(); i++){
 
        QString format;
        if(captureData[i].frames0[0].depth() == CV_32F)
            format = "hdr";
        else
            format = "png";
 
        QString seqDirName = QString("%1/sequence_%2").arg(dirName).arg(i);
        if(!QDir().mkdir(seqDirName))
            std::cerr << "Could not create directory " << seqDirName.toStdString() << std::endl;
        for(unsigned int j=0; j<captureData[i].frames0.size(); j++){
 
            progressDialog.setValue(100.0*i/captureData.size() + 100.0/captureData.size()*j/captureData[i].frames0.size());
 
            QString fileName0 = QString("%1/frames0_%2.%3").arg(seqDirName).arg(j).arg(format);
 
            // Convert Bayer to rgb (png needs BGR order)
            if(captureData[i].frames0[j].type() == CV_8UC1)
                cv::cvtColor(captureData[i].frames0[j], frameBGR, CV_BayerBG2BGR);
            else
                cv::cvtColor(captureData[i].frames0[j], frameBGR, CV_RGB2BGR);
 
            cv::imwrite(fileName0.toStdString(), frameBGR);
 
            // Necessary to prevent pileup of video frame signals
            QCoreApplication::processEvents();
 
            QString fileName1 = QString("%1/frames1_%2.%3").arg(seqDirName).arg(j).arg(format);
 
            // Convert Bayer to rgb (png needs BGR order)
            if(captureData[i].frames1[j].type() == CV_8UC1)
                cv::cvtColor(captureData[i].frames1[j], frameBGR, CV_BayerBG2BGR);
            else
                cv::cvtColor(captureData[i].frames1[j], frameBGR, CV_RGB2BGR);
 
            cv::imwrite(fileName1.toStdString(), frameBGR);
 
            // Necessary to prevent pileup of video frame signals
            QCoreApplication::processEvents();
            if(progressDialog.wasCanceled())
                return;
        }
    }
}
 
void SMScanner::on_actionExport_White_Frames_triggered(){
 
    QString dirName = QFileDialog::getExistingDirectory(this, "Export frame sequences", QString());
 
    QProgressDialog progressDialog("Exporting White Frames...", "Cancel", 0, 100, this);
    progressDialog.setWindowModality(Qt::WindowModal);
    progressDialog.setMinimumDuration(1000);
 
    cv::Mat frameBGR;
    for(unsigned int i=0; i<captureData.size(); i++){
 
        progressDialog.setValue(100.0*i/captureData.size());
 
        QString seqDirName = QString("%1/sequence_%2").arg(dirName).arg(i);
        if(!QDir().mkdir(seqDirName))
            std::cerr << "Could not create directory " << seqDirName.toStdString() << std::endl;
 
        QString fileName = QString("%1/frames0_0.png").arg(seqDirName);
        // Convert Bayer to rgb (png needs BGR order)
        cv::cvtColor(captureData[i].frames0[0], frameBGR, CV_BayerBG2BGR);
        cv::imwrite(fileName.toStdString(), frameBGR);
        // Necessary to prevent memory pileup
        QCoreApplication::processEvents();
 
        fileName = QString("%1/frames1_0.png").arg(seqDirName);
        // Convert Bayer to rgb (png needs BGR order)
        cv::cvtColor(captureData[i].frames1[0], frameBGR, CV_BayerBG2BGR);
        cv::imwrite(fileName.toStdString(), frameBGR);
        // Necessary to prevent memory pileup
        QCoreApplication::processEvents();
        if(progressDialog.wasCanceled())
            return;
    }
 
}
 
 
void SMScanner::onReceivePointCloud(SMPointCloud smCloud){
 
    pointCloudData.push_back(smCloud);
 
    // Add identifier to list
    QListWidgetItem* item = new QListWidgetItem(QString("Point Cloud %1 -- %2 deg").arg(smCloud.id).arg(smCloud.rotationAngle));
    item->setFlags(item->flags() | Qt::ItemIsUserCheckable);
    item->setData(Qt::UserRole, QVariant(smCloud.id));
    item->setCheckState(Qt::Checked);
 
    ui->pointCloudsListWidget->addItem(item);
    ui->pointCloudWidget->addPointCloud(smCloud, smCloud.id);
 
    // Indicate completed reconstruction in captureTreeWidget
    for(int i=0; i<ui->captureTreeWidget->topLevelItemCount(); i++){
        QTreeWidgetItem *captureItem = ui->captureTreeWidget->topLevelItem(i);
        if(captureItem->data(0, Qt::UserRole).toPoint() == QPoint(smCloud.id, -1)){
            captureItem->setTextColor(0, QColor(0, 0, 0));
            captureItem->setIcon(0, QIcon());
        }
   }
 
}
 
void SMScanner::on_actionExport_Point_Clouds_triggered(){
 
    QString directory = QFileDialog::getExistingDirectory(this, "Export Point Clouds", QString());
 
//    //  Non native file dialog
//    QFileDialog saveDirectoryDialog(this, "Export Point Clouds", QString(), "*.pcd;;*.ply;;*.vtk;;*.png;;*.txt");
//    saveDirectoryDialog.setDefaultSuffix("ply");
//    saveDirectoryDialog.setFileMode(QFileDialog::Directory);
//    saveDirectoryDialog.exec();
//    QString directory = saveDirectoryDialog.directory().path();
//    QString type = saveDirectoryDialog.selectedNameFilter();
 
    QProgressDialog progressDialog("Exporting Point Clouds...", "Cancel", 0, 100, this);
    progressDialog.setWindowModality(Qt::WindowModal);
    progressDialog.setMinimumDuration(1000);
 
    // save point clouds in ply format
    for(unsigned int i=0; i<pointCloudData.size(); i++){
 
        progressDialog.setValue(100.0*i/pointCloudData.size());
    if(pointCloudData[i].id != -1){
        QString fileName = QString("%1/pointcloud_%2.ply").arg(directory).arg(i);
        pcl::PointCloud<pcl::PointXYZRGBNormal>::Ptr pointCloudPCL(pointCloudData[i].pointCloud);
        //pcl::io::savePLYFileBinary(fileName.toStdString(), *pointCloudPCL);
        pcl::PLYWriter w;
        // Write to ply in binary without camera
        w.write<pcl::PointXYZRGBNormal> (fileName.toStdString(), *pointCloudPCL, true, false);
    }
        QCoreApplication::processEvents();
        if(progressDialog.wasCanceled())
            return;
    }
 
    // save meshlab aln project file
    std::ofstream s(QString("%1/alignment.aln").arg(directory).toLocal8Bit());
    s << pointCloudData.size() << std::endl;
    for(unsigned int i=0; i<pointCloudData.size(); i++){
        if(pointCloudData[i].id != -1){
        QString fileName = QString("pointcloud_%1.ply").arg(pointCloudData[i].id);
        s << fileName.toStdString() << std::endl << "#" << std::endl;
        cv::Mat Tr = cv::Mat::eye(4, 4, CV_32F);
        cv::Mat(pointCloudData[i].R.t()).copyTo(Tr.colRange(0, 3).rowRange(0, 3));
        cv::Mat(-pointCloudData[i].R.t()*pointCloudData[i].T).copyTo(Tr.col(3).rowRange(0, 3));
        for(int j=0; j<Tr.rows; j++){
            for(int k=0; k<Tr.cols; k++){
                s << Tr.at<float>(j,k) << " ";
            }
            s << std::endl;
        }
        }
    }
    s << "0" << std::flush;
    s.close();
}
 
void SMScanner::on_pointCloudsListWidget_itemChanged(QListWidgetItem *item){
 
    int id = item->data(Qt::UserRole).toInt();
    assert((int)pointCloudData.size()>id);
 
    if(item->checkState() == Qt::Checked){
        id = std::min(int(pointCloudData.size())-1,std::max(0,id));// clamp range
        ui->pointCloudWidget->addPointCloud(pointCloudData[id], id);
    }
    else
        ui->pointCloudWidget->removePointCloud(id);
 
}
 
void SMScanner::on_actionExport_Parameters_triggered(){
 
    QString fileName = QFileDialog::getSaveFileName(this, "Export calibration parameters", QString(), "*.xml");
    QFileInfo info(fileName);
    QString type = info.suffix();
    if(type == ""){
        fileName.append(".xml");
    }
 
    SMCalibrationParameters calibration = settings.value("calibration/parameters").value<SMCalibrationParameters>();
    calibration.exportToXML(fileName);
}
 
void SMScanner::on_actionClear_Sequences_triggered(){
 
    int res = QMessageBox::question(this, "Clear Captured Sequences", "Clear all captured data?", QMessageBox::Ok, QMessageBox::Cancel);
 
    if(res == QMessageBox::Ok){
        captureData.clear();
        ui->captureTreeWidget->clear();
        lastCaptureId=-1;
    }
}
 
 
 
void SMScanner::on_actionImport_Parameters_triggered(){
 
    QString fileName = QFileDialog::getOpenFileName(this, "Import calibration parameters", QString(), "*.xml");
    QFileInfo info(fileName);
    QString type = info.suffix();
    if(type != "xml"){
        std::cerr << "Error: calibration parameters must be in .xml file." << std::endl;
        return;
    }
 
    SMCalibrationParameters cal;
    cal.importFromXML(fileName);
 
    settings.setValue("calibration/parameters",  QVariant::fromValue(cal));
    ui->pointCloudWidget->updateCalibrationParameters();
 
    std::cout << "Imported calibration parameters " << fileName.toStdString() << std::endl;
}
 
void SMScanner::on_actionImport_Sets_triggered(){
 
    QString dirName = QFileDialog::getExistingDirectory(this, "Import calibration sets", QString());
 
    QDir dir(dirName);
    QStringList fileNames0 = dir.entryList(QStringList("frame0_*.png"));
    QStringList fileNames1 = dir.entryList(QStringList("frame1_*.png"));
 
    if(fileNames0.empty() || fileNames1.empty() || fileNames0.count() != fileNames1.count()){
        std::cerr << "Error: could not load calibration sets. Directory must contain .png files for both cameras." << std::endl;
        return;
    }
 
    calibrationData.clear();
    ui->calibrationListWidget->clear();
 
    QProgressDialog progressDialog("Importing Sets...", "Cancel", 0, 100, this);
    progressDialog.setWindowModality(Qt::WindowModal);
    progressDialog.setMinimumDuration(1000);
 
    size_t nSets = fileNames0.size();
    for(unsigned int i=0; i<nSets; i++){
 
        progressDialog.setValue(100.0*i/nSets);
 
        SMCalibrationSet calibrationSet;
 
        QString fileName0 = QString("%1/frame0_%2.png").arg(dirName).arg(i);
        cv::Mat frame0BGR = cv::imread(fileName0.toStdString());
        cvtools::cvtColorBGRToBayerBG(frame0BGR, calibrationSet.frame0);
 
        QString fileName1 = QString("%1/frame1_%2.png").arg(dirName).arg(i);
        cv::Mat frame1BGR = cv::imread(fileName1.toStdString());
        cvtools::cvtColorBGRToBayerBG(frame1BGR, calibrationSet.frame1);
 
//        int id = ui->calibrationListWidget->count();
//        calibrationSet.id = id;
 
//        calibrationData.push_back(calibrationSet);
 
//        // Add identifier to list
//        QListWidgetItem* item = new QListWidgetItem(QString("Calibration Set %1 -- %2 deg").arg(id).arg(calibrationSet.rotationAngle), ui->calibrationListWidget);
//        item->setFlags(item->flags() | Qt::ItemIsUserCheckable);
//        item->setCheckState(Qt::Checked);
//        ui->calibrationListWidget->addItem(item);
 
        this->onReceiveCalibrationSet(calibrationSet);
 
        QCoreApplication::processEvents();
        if(progressDialog.wasCanceled())
            return;
    }
 
    // Set enabled checkmark
    if(calibrationData.size() >= 2){
        ui->calibrateCamerasButton->setEnabled(true);
        ui->calibrateRotationStageButton->setEnabled(true);
    }
}
 
void SMScanner::on_actionImport_Sequences_triggered(){
 
    // NOTE: we do not know which algorithm was used!!!
 
    QString dirName = QFileDialog::getExistingDirectory(this, "Import captured sequences", QString());
 
    QDir dir(dirName);
    QStringList sequenceDirNames = dir.entryList(QStringList("sequence_*"));
 
    if(sequenceDirNames.empty()){
        std::cerr << "Error: could not find sequences." << std::endl;
        return;
    }
 
    captureData.clear();
    ui->captureTreeWidget->clear();
    lastCaptureId=-1;
 
    QProgressDialog progressDialog("Importing Sequences...", "Cancel", 0, 100, this);
    progressDialog.setWindowModality(Qt::WindowModal);
    progressDialog.setMinimumDuration(1000);
 
    for(int s=0; s<sequenceDirNames.count(); s++){
 
        QDir sequenceDir(QString("%1/%2").arg(dirName).arg(sequenceDirNames.at(s)));
 
        QStringList fileNames0 = sequenceDir.entryList(QStringList("frames0_*.png"));
        QStringList fileNames1 = sequenceDir.entryList(QStringList("frames1_*.png"));
 
        if(fileNames0.empty() || fileNames1.empty() || fileNames0.count() != fileNames1.count()){
            std::cerr << "Error: could not load sequence. Directory must contain .png files for both cameras." << std::endl;
            return;
        }
 
        int nFrames = fileNames0.size();
 
        SMFrameSequence sequence;
 
        for(int f=0; f<nFrames; f++){
 
            progressDialog.setValue(100.0*s/sequenceDirNames.count() + 100.0/sequenceDirNames.count()*f/nFrames);
 
            cv::Mat frame0BGR, frame0BayerBG, frame1BGR, frame1BayerBG;
 
            QString fileName0 = QString("%1/%2/frames0_%3.png").arg(dirName).arg(sequenceDirNames.at(s)).arg(f);
            frame0BGR = cv::imread(fileName0.toStdString());
            cvtools::cvtColorBGRToBayerBG(frame0BGR, frame0BayerBG);
 
            QString fileName1 = QString("%1/%2/frames1_%3.png").arg(dirName).arg(sequenceDirNames.at(s)).arg(f);
            frame1BGR = cv::imread(fileName1.toStdString());
            cvtools::cvtColorBGRToBayerBG(frame1BGR, frame1BayerBG);
 
            sequence.frames0.push_back(frame0BayerBG);
            sequence.frames1.push_back(frame1BayerBG);
 
            QCoreApplication::processEvents();
            if(progressDialog.wasCanceled())
                return;
        }
 
        // Assign whatever algorithm is configured
        sequence.codec = settings.value("algorithm").toString();
        sequence.rotationAngle = 0;
        sequence.reconstructed = false;
        sequence.shutters.push_back(16.6666);
 
        onReceiveFrameSequence(sequence);
    }
 
}
 
void SMScanner::on_actionClear_Point_Clouds_triggered(){
 
    int res = QMessageBox::question(this, "Clear Reconstructed Point Clouds", "Clear all reconstructed point clouds?", QMessageBox::Ok, QMessageBox::Cancel);
 
    if(res == QMessageBox::Ok){
 
        pointCloudData.clear();
        ui->pointCloudsListWidget->clear();
        ui->pointCloudWidget->removeAllPointClouds();
 
        for(unsigned int i=0; i<captureData.size(); i++)
            captureData[i].reconstructed = false;
    }
}
 
 
void SMScanner::on_actionProject_Focusing_Pattern_triggered(){
 
    bool projectFocusingPattern = ui->actionProject_Focusing_Pattern->isChecked();
    QMetaObject::invokeMethod(captureWorker, "setProjectFocusingPattern", Q_ARG(bool, projectFocusingPattern));
 
}
 
void SMScanner::on_calibrateRotationStageButton_clicked(){
 
    // disable ui elements
    ui->calibrateCamerasButton->setEnabled(false);
    ui->calibrateRotationStageButton->setEnabled(false);
    ui->calibrationFrame->setEnabled(false);
 
    // if none items are selected, we will use all available items
    if(ui->calibrationListWidget->selectedItems().empty())
        ui->calibrationListWidget->selectAll();
 
    // set selected flags
    for(unsigned int i=0; i<calibrationData.size(); i++){
        if(ui->calibrationListWidget->item(i)->isSelected())
            calibrationData[i].selected = true;
        else
            calibrationData[i].selected = false;
    }
 
    logDialog.show();
    logDialog.activateWindow();
 
    // start calibration
    QMetaObject::invokeMethod(calibrationWorker, "rotationStageCalibration", Q_ARG(std::vector<SMCalibrationSet>, calibrationData));
 
}
 
 
void SMScanner::on_actionView_Log_Messages_triggered()
{
     logDialog.show();
     logDialog.activateWindow();
}
 
void SMScanner::on_tabWidget_currentChanged(int index)
{
    if(index==0){
        ui->calibrationCamera0Widget->fitImage();
        ui->calibrationCamera1Widget->fitImage();
    }
    if(index==1){
        ui->captureCamera0Widget->fitImage();
        ui->captureCamera1Widget->fitImage();
    }
}
 
void SMScanner::on_calibrationListWidget_currentRowChanged(int currentRow)
{
    std::cout << "Current row: " << currentRow << std::endl;
    on_calibrationListWidget_itemSelectionChanged();
}
 
void SMScanner::on_actionEdit_Configuration_File_triggered()
{
    QDesktopServices::openUrl(QUrl::fromLocalFile(settings.fileName()));
}
 
Subversion Repositories seema-scanner

(root)/src/SMScanner.cpp – Rev 249 → 250

Rev 249		Rev 250
1	`#include "SMScanner.h"`	1	`#include "SMScanner.h"`
2		2
3	`#include "ui_SMScanner.h"`	3	`#include "ui_SMScanner.h"`
4		4
5	`#include <QMetaObject>`	5	`#include <QMetaObject>`
6	`#include <QFileDialog>`	6	`#include <QFileDialog>`
7	`#include <QMessageBox>`	7	`#include <QMessageBox>`
8	`#include <QProgressDialog>`	8	`#include <QProgressDialog>`
9	`#include <QDesktopServices>`	9	`#include <QDesktopServices>`
10		10
11	`#include <pcl/io/pcd_io.h>`	11	`#include <pcl/io/pcd_io.h>`
12	`#include <pcl/io/ascii_io.h>`	12	`#include <pcl/io/ascii_io.h>`
13	`#include <pcl/io/ply_io.h>`	13	`#include <pcl/io/ply_io.h>`
14	`#include <pcl/io/png_io.h>`	14	`#include <pcl/io/png_io.h>`
15	`#include <pcl/io/vtk_io.h>`	15	`#include <pcl/io/vtk_io.h>`
16	`#include <vtkPolyDataWriter.h>`	16	`#include <vtkPolyDataWriter.h>`
17	`#include <pcl/conversions.h>`	17	`#include <pcl/conversions.h>`
18		18
19	`#include "cvtools.h"`	19	`#include "cvtools.h"`
20		20
21	`SMScanner::SMScanner(QWidget *parent) :QMainWindow(parent), ui(new Ui::SMScanner),`	21	`SMScanner::SMScanner(QWidget *parent) :QMainWindow(parent), ui(new Ui::SMScanner),`
22	`calibrationReviewMode(false), captureReviewMode(false), lastCaptureId(-1){`	22	`calibrationReviewMode(false), captureReviewMode(false), lastCaptureId(-1){`
23		23
24	`// Register metatypes`	24	`// Register metatypes`
25	`qRegisterMetaType<cv::Mat>("cv::Mat");`	25	`qRegisterMetaType<cv::Mat>("cv::Mat");`
26	`qRegisterMetaType< std::vector<cv::Mat> >("std::vector<cv::Mat>");`	26	`qRegisterMetaType< std::vector<cv::Mat> >("std::vector<cv::Mat>");`
27	`qRegisterMetaType< std::vector<float> >("std::vector<float>");`	27	`qRegisterMetaType< std::vector<float> >("std::vector<float>");`
28	`qRegisterMetaType<SMCalibrationSet>("SMCalibrationSet");`	28	`qRegisterMetaType<SMCalibrationSet>("SMCalibrationSet");`
29	`qRegisterMetaType< std::vector<SMCalibrationSet> >("std::vector<SMCalibrationSet>");`	29	`qRegisterMetaType< std::vector<SMCalibrationSet> >("std::vector<SMCalibrationSet>");`
30	`qRegisterMetaType<SMFrameSequence>("SMFrameSequence");`	30	`qRegisterMetaType<SMFrameSequence>("SMFrameSequence");`
31	`qRegisterMetaType< std::vector<SMFrameSequence> >("std::vector<SMFrameSequence>");`	31	`qRegisterMetaType< std::vector<SMFrameSequence> >("std::vector<SMFrameSequence>");`
32	`qRegisterMetaType<pcl::PointCloud<pcl::PointXYZRGB>::Ptr>("pcl::PointCloud<pcl::PointXYZRGB>::Ptr");`	32	`qRegisterMetaType<pcl::PointCloud<pcl::PointXYZRGB>::Ptr>("pcl::PointCloud<pcl::PointXYZRGB>::Ptr");`
33	`qRegisterMetaType<SMPointCloud>("SMPointCloud");`	33	`qRegisterMetaType<SMPointCloud>("SMPointCloud");`
34	`qRegisterMetaType< std::vector<SMPointCloud> >("std::vector<SMPointCloud>");`	34	`qRegisterMetaType< std::vector<SMPointCloud> >("std::vector<SMPointCloud>");`
35		35
36	`// Setup ui (requires stream operators registered)`	36	`// Setup ui (requires stream operators registered)`
37	`ui->setupUi(this);`	37	`ui->setupUi(this);`
38		38
39	`// Restore geometry`	39	`// Restore geometry`
40	`this->restoreGeometry(settings.value("geometry/mainwindow").toByteArray());`	40	`this->restoreGeometry(settings.value("geometry/mainwindow").toByteArray());`