Beispiel #1
0
    def __init__(self, logger, ev_quit, options):
        super(GingaVision, self).__init__()
        self.logger = logger
        self.ev_quit = ev_quit

        from ginga.gw import Widgets, Viewers, GwMain

        self.card = 'default'
        # playback rate; changed when we know the actual rate
        self.fps = options.fps
        self.playback_rate = 1.0 / 30.0

        self.pimage = RGBImage.RGBImage()
        self.pdata = None

        self.app = Widgets.Application(logger=logger)
        self.app.add_callback('shutdown', self.quit)
        self.top = self.app.make_window("Ginga example2")
        self.top.add_callback('close', lambda *args: self.quit())

        thread_pool = Task.ThreadPool(2, logger, ev_quit=ev_quit)
        thread_pool.startall()
        self.main = GwMain.GwMain(logger=logger, ev_quit=ev_quit,
                                  app=self.app, thread_pool=thread_pool)

        vbox = Widgets.VBox()
        vbox.set_border_width(2)
        vbox.set_spacing(1)

        fi = Viewers.CanvasView(logger=logger)
        fi.set_autocut_params('histogram')
        fi.enable_autozoom('off')
        fi.enable_autocenter('once')
        fi.enable_autocuts('off')
        fi.cut_levels(0, 255)
        fi.scale_to(1, 1)
        fi.set_bg(0.2, 0.2, 0.2)
        fi.ui_set_active(True)
        self.viewer = fi

        if options.optimize:
            # Some optimizations to smooth playback at decent FPS
            # PassThruRGBMapper is the most efficient mapper
            rgbmap = RGBMap.PassThruRGBMapper(self.logger)
            fi.set_rgbmap(rgbmap)

            # Clip cuts assumes data does not need to be scaled in cut levels--
            # only clipped
            fi.set_autocuts(AutoCuts.Clip(logger=self.logger))

        bd = fi.get_bindings()
        bd.enable_all(True)

        fi.set_desired_size(512, 512)
        iw = Viewers.GingaViewerWidget(viewer=fi)
        vbox.add_widget(iw, stretch=1)

        hbox = Widgets.HBox()
        hbox.set_margins(4, 2, 4, 2)

        wopen = Widgets.Button("Open File")
        #wopen.clicked.connect(self.open_file)
        wquit = Widgets.Button("Quit")
        wquit.add_callback('activated', lambda *args: self.quit())

        for w in (wopen, wquit):
            hbox.add_widget(w, stretch=0)
        hbox.add_widget(Widgets.Label(''), stretch=1)

        vbox.add_widget(hbox, stretch=0)

        self.top.set_widget(vbox)
        self.top.set_title("Video Example Viewer")
Beispiel #2
0
    def __init__(self, logger, ev_quit, options):
        super(GingaVision, self).__init__()
        self.logger = logger
        self.ev_quit = ev_quit

        from ginga.gw import Widgets, Viewers, GwHelp, GwMain

        self.card = 'default'
        # playback rate; changed when we know the actual rate
        self.fps = 30
        self.playback_rate = 1.0 / self.fps

        # Use an AstroImage, not RGBImage for now because we get a
        # different default (faster) scaling algorithm
        self.pimage = AstroImage.AstroImage()
        self.pdata = None

        self.app = Widgets.Application(logger=logger)
        self.app.add_callback('shutdown', self.quit)
        self.top = self.app.make_window("Ginga example2")
        self.top.add_callback('close', lambda *args: self.quit())

        thread_pool = Task.ThreadPool(2, logger, ev_quit=ev_quit)
        thread_pool.startall()
        self.main = GwMain.GwMain(logger=logger,
                                  ev_quit=ev_quit,
                                  app=self.app,
                                  thread_pool=thread_pool)

        vbox = Widgets.VBox()
        vbox.set_border_width(2)
        vbox.set_spacing(1)

        fi = Viewers.CanvasView(logger=logger)
        fi.enable_autocuts('off')
        fi.set_autocut_params('histogram')
        fi.enable_autozoom('off')
        fi.cut_levels(0, 255)
        fi.defer_redraw = False
        fi.set_bg(0.2, 0.2, 0.2)
        # flip y
        fi.transform(False, False, False)
        fi.ui_setActive(True)
        self.fitsimage = fi

        # Some optomizations to smooth playback at decent FPS
        fi.set_redraw_lag(self.playback_rate)
        #fi.set_redraw_lag(0.0)
        fi._invertY = False
        # PassThruRGBMapper doesn't color map data--data is already colored
        rgbmap = RGBMap.PassThruRGBMapper(self.logger)
        fi.set_rgbmap(rgbmap)
        # Clip cuts assumes data does not need to be scaled in cut levels--
        # only clipped
        fi.set_autocuts(AutoCuts.Clip(logger=self.logger))

        bd = fi.get_bindings()
        bd.enable_pan(True)
        bd.enable_zoom(True)
        bd.enable_cuts(True)
        bd.enable_flip(True)
        bd.enable_cmap(True)

        fi.set_desired_size(512, 512)
        iw = Viewers.GingaViewerWidget(viewer=fi)
        vbox.add_widget(iw, stretch=1)

        hbox = Widgets.HBox()
        hbox.set_margins(4, 2, 4, 2)

        wopen = Widgets.Button("Open File")
        #wopen.clicked.connect(self.open_file)
        wquit = Widgets.Button("Quit")
        wquit.add_callback('activated', lambda *args: self.quit())

        for w in (wopen, wquit):
            hbox.add_widget(w, stretch=0)
        hbox.add_widget(Widgets.Label(''), stretch=1)

        vbox.add_widget(hbox, stretch=0)

        self.top.set_widget(vbox)
        self.top.set_title("Video Example Viewer")
Beispiel #3
0
    def __init__(self, qtmain, logger, ev_quit, options):
        super(GingaVision, self).__init__()
        self.qtmain = qtmain
        self.logger = logger
        self.ev_quit = ev_quit

        self.card = 'default'
        # playback rate; changed when we know the actual rate
        self.fps = 30
        self.playback_rate = 1.0 / self.fps

        # Use an AstroImage, not RGBImage for now because we get a
        # different default (faster) scaling algorithm
        self.pimage = AstroImage.AstroImage()
        self.pdata = None

        fi = ImageViewZoom(self.logger, render='widget')
        fi.enable_autocuts('off')
        fi.set_autocut_params('histogram')
        fi.enable_autozoom('off')
        fi.cut_levels(0, 255)
        fi.defer_redraw = False
        fi.set_bg(0.2, 0.2, 0.2)
        # flip y
        fi.transform(False, False, False)
        fi.ui_setActive(True)
        self.fitsimage = fi

        # Some optomizations to smooth playback at decent FPS
        fi.set_redraw_lag(self.playback_rate)
        #fi.set_redraw_lag(0.0)
        fi._invertY = False
        # PassThruRGBMapper doesn't color map data--data is already colored
        rgbmap = RGBMap.PassThruRGBMapper(self.logger)
        fi.set_rgbmap(rgbmap)
        # Clip cuts assumes data does not need to be scaled in cut levels--
        # only clipped
        fi.set_autocuts(AutoCuts.Clip(logger=self.logger))

        bd = fi.get_bindings()
        bd.enable_pan(True)
        bd.enable_zoom(True)
        bd.enable_cuts(True)
        bd.enable_flip(True)
        bd.enable_cmap(True)

        w = fi.get_widget()
        w.resize(512, 512)

        vbox = QtGui.QVBoxLayout()
        vbox.setContentsMargins(QtCore.QMargins(2, 2, 2, 2))
        vbox.setSpacing(1)
        vbox.addWidget(w, stretch=1)

        hbox = QtGui.QHBoxLayout()
        hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))

        wopen = QtGui.QPushButton("Open File")
        #wopen.clicked.connect(self.open_file)
        wquit = QtGui.QPushButton("Quit")
        wquit.clicked.connect(self.quit)

        hbox.addStretch(1)
        for w in (wopen, wquit):
            hbox.addWidget(w, stretch=0)

        hw = QtGui.QWidget()
        hw.setLayout(hbox)
        vbox.addWidget(hw, stretch=0)

        vw = QtGui.QWidget()
        self.setCentralWidget(vw)
        vw.setLayout(vbox)

        self.setWindowTitle("Video Example Viewer")