def create_project(self):
        name = self.project_name.text()
        location = self.project_location_selected_label.text()

        if not name:
            QMessageBox.warning(self, 'Project name',
                                'Project name is required')

        if not location:
            QMessageBox.warning(self, 'Project name',
                                'Project location is required')

        proj = Project(location, name)
        proj.save()

        self.project_location = proj.description_path
        self.success = True

        self.close()
Пример #2
0
class Window(QMainWindow):
    def __init__(self):
        super(Window, self).__init__()

        self.project = None
        self.view = None
        self.lastProjectDirectory = None
        self.lastProjectFile = None
        self.recentProjectFiles = list()
        self.lastImportDirectory = None

        self.loadSettings()

        self.setWindowTitle("Point Cloud Tagger")
        self.createActions()
        self.createMenus()
        self.createToolBars()
        self.createContainer()
        self.createEditor()
        self.createStatusBar()

    def loadSettings(self):
        try:
            with io.open(Path(__file__).parent / 'app.json', 'r') as f:
                data = json.load(f)
                if 'lastProjectDirectory' in data:
                    self.lastProjectDirectory = data['lastProjectDirectory']
                if 'recentProjectFiles' in data:
                    self.recentProjectFiles = data['recentProjectFiles']
                if 'lastImportDirectory' in data:
                    self.lastImportDirectory = data['lastImportDirectory']
        except:
            pass

    def saveSettings(self):
        data = dict()
        data['lastProjectDirectory'] = self.lastProjectDirectory
        data['recentProjectFiles'] = self.recentProjectFiles
        data['lastImportDirectory'] = self.lastImportDirectory
        with io.open(Path(__file__).parent / 'app.json', 'w') as f:
            json.dump(data, f, indent=' ')

    def createActions(self):
        # root = QFileInfo(__file__).absolutePath()
        self.newAct = QAction(
            # QIcon(root + '/icons/new.png'),
            "&New",
            self,
            shortcut=QKeySequence.New,
            statusTip="Start new project",
            triggered=self.newProject)
        self.openAct = QAction(
            # QIcon(root + '/icons/open.png'),
            "&Open",
            self,
            shortcut=QKeySequence.Open,
            statusTip="Open project",
            triggered=self.openProject)
        self.saveAct = QAction(
            # QIcon(root + '/icons/save.png'),
            "&Save",
            self,
            shortcut=QKeySequence.Save,
            statusTip="Save project",
            triggered=self.saveProject,
            enabled=False)
        self.saveAsAct = QAction(
            # QIcon(root + '/icons/saveas.png'),
            "Save &As...",
            self,
            shortcut=QKeySequence.SaveAs,
            statusTip="Save project under new name",
            triggered=self.saveProjectAs,
            enabled=False)
        self.closeAct = QAction(
            # QIcon(root + '/icons/close.png'),
            "&Close",
            self,
            shortcut=QKeySequence.Close,
            statusTip="Close project",
            triggered=self.closeProject,
            enabled=False)
        self.importAct = QAction(
            # QIcon(root + '/icons/import.png'),
            "Import MVE Scene",
            self,
            statusTip="Import MVE scene",
            triggered=self.importMVEScene,
            enabled=False)
        self.exportSelectionAct = QAction(
            # QIcon(root + '/icons/import.png'),
            "Export Selection",
            self,
            statusTip="Export selection to ply",
            triggered=self.exportSelection,
            enabled=False)
        self.exportViewsAct = QAction(
            # QIcon(root + '/icons/import.png'),
            "Export Views",
            self,
            statusTip="Export views to png",
            triggered=self.exportViews,
            enabled=False)
        self.exitAct = QAction(
            # QIcon(root + '/icons/quit.png'),
            "&Quit",
            self,
            shortcut=QKeySequence.Quit,
            statusTip="Close the application",
            triggered=self.close)
        self.aboutAct = QAction("&About",
                                self,
                                statusTip="Show the application's About box",
                                triggered=self.about)

        cameraGroup = QActionGroup(self)
        self.orthoCameraAct = QAction(
            # QIcon(root + '/icons/camera-ortho.png'),
            "Orthographic",
            cameraGroup,
            shortcut="O",
            statusTip="Orthographic camera",
            triggered=self.toggleOrthoCamera,
            checkable=True,
            checked=False,
            enabled=False)
        self.perspectiveCameraAct = QAction(
            # QIcon(root + '/icons/camera-perpective.png'),
            "Perspective",
            cameraGroup,
            shortcut="P",
            statusTip="Perspective camera",
            triggered=self.togglePerspectiveCamera,
            checkable=True,
            checked=True,
            enabled=False)
        self.viewCameraAct = QAction(
            # QIcon(root + '/icons/camera-view.png'),
            "View",
            cameraGroup,
            shortcut="[",
            statusTip="Views camera",
            triggered=self.toggleViewCamera,
            checkable=True,
            checked=False,
            enabled=False)
        self.toggleAxisAct = QAction(
            # QIcon(root + '/icons/axis.png'),
            "Axis",
            self,
            statusTip="Show/hide axis",
            triggered=self.toggleAxis,
            checkable=True,
            checked=True,
            enabled=False)
        self.togglePlaneAct = QAction(
            # QIcon(root + '/icons/plane.png'),
            "Plane",
            self,
            statusTip="Show/hide plane",
            triggered=self.togglePlane,
            checkable=True,
            checked=True,
            enabled=False)
        self.toggleLocationAct = QAction(
            # QIcon(root + '/icons/location.png'),
            "Location",
            self,
            statusTip="Show/hide location",
            triggered=self.toggleLocation,
            checkable=True,
            checked=True,
            enabled=False)
        self.toggleBBoxAct = QAction(
            # QIcon(root + '/icons/bbox.png'),
            "BBox",
            self,
            statusTip="Show/hide box",
            triggered=self.toggleBBox,
            checkable=True,
            checked=True,
            enabled=False)
        self.togglePhotoAct = QAction(
            # QIcon(root + '/icons/photo.png'),
            "Picture",
            self,
            shortcut="]",
            statusTip="Show/hide picture",
            triggered=self.togglePicture,
            checkable=True,
            checked=True,
            enabled=False)

        self.preselectAct = QAction(
            "Build/apply selection",
            self,
            statusTip="Build index and apply saved selection",
            triggered=self.preselect,
            enabled=False)
        self.editorAct = QAction("Scene editor",
                                 self,
                                 statusTip="Open scene editor",
                                 triggered=self.showEditor,
                                 enabled=False)

    def createMenus(self):
        fileMenu = self.menuBar().addMenu("&File")
        fileMenu.addAction(self.newAct)
        fileMenu.addAction(self.openAct)
        fileMenu.addAction(self.saveAct)
        fileMenu.addAction(self.saveAsAct)
        fileMenu.addAction(self.closeAct)
        fileMenu.addSeparator()
        fileMenu.addAction(self.importAct)
        fileMenu.addSeparator()
        fileMenu.addAction(self.exportSelectionAct)
        fileMenu.addAction(self.exportViewsAct)
        fileMenu.addSeparator()
        self.recentMenu = fileMenu.addMenu("Recent...")
        self.updateRecentMenu()
        fileMenu.addSeparator()
        fileMenu.addAction(self.exitAct)

        viewMenu = self.menuBar().addMenu("&View")
        viewMenu.addAction(self.orthoCameraAct)
        viewMenu.addAction(self.perspectiveCameraAct)
        viewMenu.addAction(self.viewCameraAct)
        viewMenu.addSeparator()
        viewMenu.addAction(self.toggleAxisAct)
        viewMenu.addAction(self.togglePlaneAct)
        viewMenu.addAction(self.toggleLocationAct)
        viewMenu.addAction(self.toggleBBoxAct)
        viewMenu.addAction(self.togglePhotoAct)
        viewMenu.addSeparator()
        self.shaderMenu = viewMenu.addMenu("Cloud shaders...")
        self.shaderMenu.setEnabled(False)
        self.updateShaderMenu()

        toolsMenu = self.menuBar().addMenu("&Tools")
        toolsMenu.addAction(self.preselectAct)
        toolsMenu.addSeparator()
        toolsMenu.addAction(self.editorAct)

        self.menuBar().addSeparator()
        helpMenu = self.menuBar().addMenu("&Help")
        helpMenu.addAction(self.aboutAct)

    def updateRecentMenu(self):
        self.recentMenu.clear()
        if len(self.recentProjectFiles) > 0:
            for file in self.recentProjectFiles:

                def openRecent(filename):
                    return lambda: self.openProject(filename)

                if len(file) > 30:
                    name = "..." + file[-30:]
                else:
                    name = file
                self.recentMenu.addAction(name, openRecent(file))
        else:
            self.recentMenu.addSection("No project yet")

    def updateShaderMenu(self):
        self.shaderActions = dict()
        self.shaderMenu.clear()
        items = sorted(
            set([
                file.stem
                for file in (Path(__file__).parent / 'shaders').iterdir()
                if file.is_file()
            ]))
        group = QActionGroup(self)
        for item in items:

            def setShader(name):
                return lambda: self.setCloudShader(name)

            checked = False
            if self.project:
                checked = self.project.cloudShaderName == item
            action = QAction(item,
                             group,
                             triggered=setShader(item),
                             checkable=True,
                             checked=checked)
            self.shaderActions[item] = action
            self.shaderMenu.addAction(action)

    def createToolBars(self):
        # self.fileToolBar = self.addToolBar("File")
        # self.fileToolBar.addAction(self.newAct)
        # self.fileToolBar.addAction(self.openAct)
        # self.fileToolBar.addAction(self.saveAct)

        # viewToolBar = self.addToolBar("View")
        # cameraMenu = QMenu("Camera", self)
        # cameraMenu.addAction(self.orthoCameraAct)
        # cameraMenu.addAction(self.perspectiveCameraAct)
        # cameraMenu.addAction(self.viewCameraAct)
        # cameraButton = QToolButton(text="Camera", popupMode=QToolButton.InstantPopup)
        # cameraButton.setMenu(cameraMenu)
        # viewToolBar.addWidget(cameraButton)
        # viewToolBar.addAction(self.toggleAxisAct)
        # viewToolBar.addAction(self.togglePlaneAct)
        # viewToolBar.addAction(self.toggleLocationAct)
        # viewToolBar.addAction(self.toggleBBoxAct)
        # viewToolBar.addAction(self.togglePhotoAct)
        pass

    def createContainer(self):
        self.container = QWidget(self)
        self.container.setStyleSheet("QOpenGLWidget { background: black; }")
        self.container.setLayout(QVBoxLayout())
        self.setCentralWidget(self.container)

    def createEditor(self):
        self.editor = Editor(self)
        self.editor.changed.connect(self.renderProject,
                                    type=Qt.QueuedConnection)

    def createStatusBar(self):
        self.statusBar().showMessage("Initialized")

    def closeEvent(self, event):
        self.destroyProject()
        event.accept()

    def enableProjectActions(self, enabled):
        actions = [
            self.saveAct,
            self.saveAsAct,
            self.closeAct,
            self.importAct,
            self.exportSelectionAct,
            self.exportViewsAct,
            self.orthoCameraAct,
            self.perspectiveCameraAct,
            self.viewCameraAct,
            self.toggleAxisAct,
            self.togglePlaneAct,
            self.toggleLocationAct,
            self.toggleBBoxAct,
            self.togglePhotoAct,
            self.shaderMenu,
            self.preselectAct,
            self.editorAct,
        ]
        for action in actions:
            action.setEnabled(enabled)

    def createProject(self):
        self.destroyProject()
        self.project = Project(0.7, 0.9, 0.1, 1000)
        self.project.message.connect(self.showMessage,
                                     type=Qt.QueuedConnection)
        self.project.stateChanged.connect(self.updateState,
                                          type=Qt.QueuedConnection)
        self.view = View(self, self.project)
        self.container.layout().addWidget(self.view)
        self.enableProjectActions(True)
        self.updateShaderMenu()
        self.editor.setProject(self.project)

    def destroyProject(self):
        self.editor.setProject(None)
        self.enableProjectActions(False)
        if self.view:
            self.container.layout().removeWidget(self.view)
            self.view.close()
            self.view = None
        if self.project:
            self.project.message.disconnect(self.showMessage)
            self.project.stateChanged.disconnect(self.updateState)
            self.project = None

    @Slot(str)
    def showMessage(self, message):
        self.statusBar().showMessage(message)

    @Slot()
    def updateState(self):
        if not self.project:
            return
        self.orthoCameraAct.setChecked(self.project.cameraMode == 'ortho')
        self.perspectiveCameraAct.setChecked(
            self.project.cameraMode == 'perspective')
        self.viewCameraAct.setChecked(self.project.cameraMode == 'view')
        self.toggleAxisAct.setChecked(self.project.showAxis)
        self.togglePlaneAct.setChecked(self.project.showPlane)
        self.toggleLocationAct.setChecked(self.project.showLocation)
        self.toggleBBoxAct.setChecked(self.project.showBBox)
        self.togglePhotoAct.setChecked(self.project.showPicture)

    def newProject(self):
        self.createProject()
        self.project.create()
        self.lastProjectFile = None

    def openProject(self, filename=None):
        if not filename:
            (filename, ftype) = QFileDialog.getOpenFileName(
                self,
                "Choose project file",
                dir=self.lastProjectDirectory,
                filter="Projects (*.prj)",
                options=QFileDialog.DontResolveSymlinks
                | QFileDialog.HideNameFilterDetails)
        if filename:
            self.lastProjectDirectory = str(Path(filename).parent)
            self.createProject()
            progress = QProgressDialog('', None, 0, 100, self)
            try:
                self.project.load(filename, progress)
                self.lastProjectFile = filename
                if filename in self.recentProjectFiles:
                    self.recentProjectFiles.remove(filename)
                self.recentProjectFiles.insert(0, filename)
                self.updateRecentMenu()
                self.updateShaderMenu()
                self.editor.setProject(self.project)
                self.saveSettings()
            except BaseException as e:
                progress.close()
                raise e

    def saveProject(self):
        if not self.lastProjectFile:
            self.saveProjectAs()
            return
        self.project.save(self.lastProjectFile)

    def saveProjectAs(self):
        (filename, ftype) = QFileDialog.getSaveFileName(
            self,
            "Choose project file",
            dir=self.lastProjectDirectory,
            filter="Projects (*.prj)",
            options=QFileDialog.DontResolveSymlinks
            | QFileDialog.HideNameFilterDetails)
        if filename:
            if not filename.endswith('.prj'):
                filename += '.prj'
            self.project.save(filename)
            self.lastProjectFile = filename
            if filename in self.recentProjectFiles:
                self.recentProjectFiles.remove(filename)
            self.recentProjectFiles.insert(0, filename)
            self.updateRecentMenu()
            self.saveSettings()

    def closeProject(self):
        self.destroyProject()

    def importMVEScene(self):
        (filename, ftype) = QFileDialog.getOpenFileName(
            self,
            "Choose MVE scene",
            dir=self.lastImportDirectory,
            filter="MVE Scene (synth_0.out)",
            options=QFileDialog.DontResolveSymlinks)
        if filename:
            directory = str(Path(filename).parent)
            self.lastImportDirectory = directory
            progress = QProgressDialog('', None, 0, 100, self)
            try:
                self.project.importmve(directory, progress)
                self.view.update()
                self.saveSettings()
            except BaseException as e:
                progress.close()
                raise e

    def exportSelection(self):
        (filename, ftype) = QFileDialog.getSaveFileName(
            self,
            "Choose ply file",
            dir=self.lastProjectDirectory,
            filter="Meshes (*.ply)",
            options=QFileDialog.DontResolveSymlinks
            | QFileDialog.HideNameFilterDetails)
        if filename:
            if not filename.endswith('.ply'):
                filename += '.ply'
            progress = QProgressDialog('', None, 0, 100, self)
            try:
                self.project.exportply(filename, progress)
            except BaseException as e:
                progress.close()
                raise e

    def exportViews(self):
        filename, ok = QInputDialog.getText(self, "View Image Filename",
                                            "Png filename")
        if ok and len(filename) > 0:
            progress = QProgressDialog('', None, 0, 100, self)
            try:
                self.project.exportviews(self.view.context(), filename,
                                         progress)
            except BaseException as e:
                progress.close()
                raise e

    def preselect(self):
        progress = QProgressDialog('', None, 0, 100, self)
        try:
            self.project.preselect(progress)
        except BaseException as e:
            progress.close()
            raise e

    def showEditor(self):
        dock = QDockWidget("Scene Parameters", self)
        dock.setAllowedAreas(Qt.RightDockWidgetArea)
        dock.setFixedWidth(640)
        dock.setWidget(self.editor)
        self.addDockWidget(Qt.RightDockWidgetArea, dock)

    def toggleOrthoCamera(self):
        if not self.orthoCameraAct.isChecked():
            return
        self.project.setCameraMode('ortho')

    def togglePerspectiveCamera(self):
        if not self.perspectiveCameraAct.isChecked():
            return
        self.project.setCameraMode('perspective')

    def toggleViewCamera(self):
        if not self.viewCameraAct.isChecked():
            return
        self.project.setCameraMode('view')

    def toggleAxis(self):
        self.project.toggleAxis()

    def togglePlane(self):
        self.project.togglePlane()

    def toggleLocation(self):
        self.project.toggleLocation()

    def toggleBBox(self):
        self.project.toggleBBox()

    def togglePicture(self):
        self.project.togglePicture()

    def setCloudShader(self, name):
        if not self.project:
            return
        self.editor.loadShader(name)
        self.project.setCloudShader(name)
        self.shaderActions[name].setChecked(True)

    def renderProject(self):
        if not self.project:
            return
        self.project.redraw.emit()

    def about(self):
        QMessageBox.about(
            self, "About Application",
            "The <b>3D Tagger</b> can load point-clouds from MVE scenes, tag points and export result."
        )