Ejemplo n.º 1
0
    def build_gui(self, container):
        # Splitter is just to provide a way to size the graph
        # to a reasonable size
        vpaned = QtGui.QSplitter()
        vpaned.setOrientation(QtCore.Qt.Vertical)
        
        # Make the cuts plot
        twidget = QtHelp.VBox()
        vbox1 = twidget.layout()
        vbox1.setContentsMargins(4, 4, 4, 4)
        vbox1.setSpacing(2)

        msgFont = QtGui.QFont("Sans", 14)
        tw = QtGui.QLabel()
        tw.setFont(msgFont)
        tw.setWordWrap(True)
        self.tw = tw

        fr = QtHelp.Frame("Instructions")
        fr.layout().addWidget(tw, stretch=1, alignment=QtCore.Qt.AlignTop)
        vbox1.addWidget(fr, stretch=0, alignment=QtCore.Qt.AlignTop)
        
        self.plot = Plot.Plot(self.logger)
        w = self.plot.get_widget()
        vbox1.addWidget(w, stretch=1, alignment=QtCore.Qt.AlignTop)

        captions = (('Cut Low', 'xlabel', '@Cut Low', 'entry'),
                    ('Cut High', 'xlabel', '@Cut High', 'entry', 'Cut Levels', 'button'),
                    ('Auto Levels', 'button'), 
                    )

        w, b = QtHelp.build_info(captions)
        self.w.update(b)
        b.cut_levels.setToolTip("Set cut levels manually")
        b.auto_levels.setToolTip("Set cut levels by algorithm")
        b.cut_low.setToolTip("Set low cut level (press Enter)")
        b.cut_high.setToolTip("Set high cut level (press Enter)")
        b.cut_low.returnPressed.connect(self.cut_levels)
        b.cut_high.returnPressed.connect(self.cut_levels)
        b.cut_levels.clicked.connect(self.cut_levels)
        b.auto_levels.clicked.connect(self.auto_levels)

        vbox1.addWidget(w, stretch=0, alignment=QtCore.Qt.AlignLeft)

        btns = QtHelp.HBox()
        layout= btns.layout()
        layout.setSpacing(3)
        #btns.set_child_size(15, -1)

        btn = QtGui.QPushButton("Close")
        btn.clicked.connect(self.close)
        layout.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
        btn = QtGui.QPushButton("Full Image")
        btn.clicked.connect(self.full_image)
        layout.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)

        vbox1.addWidget(btns, stretch=0, alignment=QtCore.Qt.AlignLeft)

        vpaned.addWidget(twidget)
        vpaned.addWidget(QtGui.QLabel(''))

        container.addWidget(vpaned, stretch=1)

        self.gui_up = True
Ejemplo n.º 2
0
    def build_gui(self, container):
        # Splitter is just to provide a way to size the graph
        # to a reasonable size
        vpaned = QtGui.QSplitter()
        vpaned.setOrientation(QtCore.Qt.Vertical)

        # Make the cuts plot
        twidget = QtHelp.VBox()
        vbox1 = twidget.layout()
        vbox1.setContentsMargins(4, 4, 4, 4)
        vbox1.setSpacing(2)

        msgFont = QtGui.QFont("Sans", 14)
        tw = QtGui.QLabel()
        tw.setFont(msgFont)
        tw.setWordWrap(True)
        self.tw = tw

        fr = QtHelp.Frame("Instructions")
        fr.layout().addWidget(tw, stretch=1, alignment=QtCore.Qt.AlignTop)
        vbox1.addWidget(fr, stretch=0, alignment=QtCore.Qt.AlignTop)

        self.plot = Plot.Cuts(self.logger)
        w = self.plot.get_widget()
        vbox1.addWidget(w, stretch=1, alignment=QtCore.Qt.AlignTop)

        hbox = QtHelp.HBox()
        hbox.setSpacing(4)

        # control for selecting a cut
        combobox = QtHelp.ComboBox()
        for tag in self.tags:
            combobox.append_text(tag)
        if self.cutstag == None:
            combobox.setCurrentIndex(0)
        else:
            combobox.show_text(self.cutstag)
        combobox.activated.connect(self.cut_select_cb)
        self.w.cuts = combobox
        combobox.setToolTip("Select a cut")
        hbox.addWidget(combobox)

        btn = QtGui.QPushButton("Delete")
        btn.clicked.connect(self.delete_cut_cb)
        btn.setToolTip("Delete selected cut")
        hbox.addWidget(btn)

        btn = QtGui.QPushButton("Delete All")
        btn.clicked.connect(self.delete_all)
        btn.setToolTip("Clear all cuts")
        hbox.addWidget(btn)

        ## btn = QtGui.CheckBox("Move together")
        ## #btn.stateChanged.connect(self.movetogether_cb)
        ## btn.setChecked(self.move_together)
        ## btn.setToolTip("Move cuts as a group")
        ## hbox.addWidget(btn)

        vbox1.addWidget(hbox, stretch=0, alignment=QtCore.Qt.AlignLeft)

        btns = QtHelp.HBox()
        layout = btns.layout()
        layout.setSpacing(3)
        #btns.set_child_size(15, -1)

        btn = QtGui.QPushButton("Close")
        btn.clicked.connect(self.close)

        layout.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
        vbox1.addWidget(btns, stretch=0, alignment=QtCore.Qt.AlignLeft)

        vpaned.addWidget(twidget)
        vpaned.addWidget(QtGui.QLabel(''))

        container.addWidget(vpaned, stretch=1)
Ejemplo n.º 3
0
    def __init__(self, logger):
        super(FitsViewer, self).__init__()
        self.logger = logger
        self.drawcolors = colors.get_colors()

        fig = Figure()
        w = FigureCanvas(fig)

        fi = ImageViewCanvas(logger)
        fi.enable_autocuts('on')
        fi.set_autocut_params('zscale')
        fi.enable_autozoom('on')
        fi.enable_draw(True)
        fi.set_drawtype('ruler')
        fi.set_drawcolor('blue')
        fi.set_callback('drag-drop', self.drop_file)
        fi.set_callback('none-move', self.motion)
        fi.set_bg(0.2, 0.2, 0.2)
        fi.ui_setActive(True)
        self.fitsimage = fi
        fi.set_figure(fig)

        fi.get_bindings().enable_all(True)

        w.resize(512, 512)

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

        self.readout = QtGui.QLabel("")
        vbox.addWidget(self.readout,
                       stretch=0,
                       alignment=QtCore.Qt.AlignCenter)

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

        wdrawtype = QtGui.QComboBox()
        self.drawtypes = fi.get_drawtypes()
        for name in self.drawtypes:
            wdrawtype.addItem(name)
        index = self.drawtypes.index('ruler')
        wdrawtype.setCurrentIndex(index)
        wdrawtype.activated.connect(self.set_drawparams)
        self.wdrawtype = wdrawtype

        wdrawcolor = QtGui.QComboBox()
        for name in self.drawcolors:
            wdrawcolor.addItem(name)
        index = self.drawcolors.index('blue')
        wdrawcolor.setCurrentIndex(index)
        wdrawcolor.activated.connect(self.set_drawparams)
        self.wdrawcolor = wdrawcolor

        wclear = QtGui.QPushButton("Clear Canvas")
        wclear.clicked.connect(self.clear_canvas)
        wopen = QtGui.QPushButton("Open File")
        wopen.clicked.connect(self.open_file)
        wquit = QtGui.QPushButton("Quit")
        wquit.clicked.connect(self.close)

        hbox.addStretch(1)
        for w in (wopen, wdrawtype, wdrawcolor, wclear, 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)
Ejemplo n.º 4
0
    def _create_info_window(self):
        sw = QtGui.QScrollArea()

        widget = QtGui.QWidget()
        vbox = QtGui.QVBoxLayout()
        vbox.setContentsMargins(2, 2, 2, 2)
        widget.setLayout(vbox)

        captions = (
            ('Name', 'label'),
            ('Object', 'label'),
            ('X', 'label'),
            ('Y', 'label'),
            ('Value', 'label'),
            ('RA', 'label'),
            ('DEC', 'label'),
            ('Equinox', 'label'),
            ('Dimensions', 'label'),
            #('Slices', 'label', 'MultiDim', 'button'),
            ('Min', 'label'),
            ('Max', 'label'),
            ('Zoom', 'label'),
            ('Cut Low', 'xlabel', '@Cut Low', 'entry'),
            ('Cut High', 'xlabel', '@Cut High', 'entry'),
            ('Auto Levels', 'button', 'Cut Levels', 'button'),
            ('Cut New', 'label'),
            ('Zoom New', 'label'),
            ('Preferences', 'button'),
        )

        w, b = QtHelp.build_info(captions)

        b.cut_levels.setToolTip("Set cut levels manually")
        b.auto_levels.setToolTip("Set cut levels by algorithm")
        b.cut_low.setToolTip("Set low cut level (press Enter)")
        b.cut_high.setToolTip("Set high cut level (press Enter)")
        b.preferences.setToolTip("Set preferences for this channel")
        #b.multidim.setToolTip("View other HDUs or slices")

        vbox.addWidget(w, stretch=0)

        # Convenience navigation buttons
        btns = QtGui.QWidget()
        layout = QtGui.QHBoxLayout()
        layout.setSpacing(3)
        btns.setLayout(layout)
        #btns.set_layout(gtk.BUTTONBOX_CENTER)
        #btns.set_child_size(15, -1)

        bw = Bunch.Bunch()
        for tup in (
                #("Load", 'button', 'fits_open_48', "Open an image file"),
            ("Prev", 'button', 'prev_48', "Go to previous image"),
            ("Next", 'button', 'next_48', "Go to next image"),
            ("Zoom In", 'button', 'zoom_in_48', "Zoom in"),
            ("Zoom Out", 'button', 'zoom_out_48', "Zoom out"),
            ("Zoom Fit", 'button', 'zoom_fit_48', "Zoom to fit window size"),
            ("Zoom 1:1", 'button', 'zoom_100_48', "Zoom to 100% (1:1)"),
                #("Quit", 'button', 'exit', "Quit the program"),
        ):

            btn = self.fv.make_button(*tup)
            name = tup[0]
            if tup[3]:
                btn.setToolTip(tup[3])

            bw[QtHelp._name_mangle(name, pfx='btn_')] = btn
            layout.addWidget(btn, stretch=0)

        #self.w.btn_load.connect("clicked", lambda w: self.gui_load_file())
        bw.btn_prev.clicked.connect(self.fv.prev_img)
        bw.btn_next.clicked.connect(self.fv.next_img)
        bw.btn_zoom_in.clicked.connect(self.fv.zoom_in)
        bw.btn_zoom_out.clicked.connect(self.fv.zoom_out)
        bw.btn_zoom_fit.clicked.connect(self.fv.zoom_fit)
        bw.btn_zoom_1_1.clicked.connect(self.fv.zoom_1_to_1)

        vbox.addWidget(btns, stretch=0)

        #widget.show()
        sw.setWidget(widget)
        return sw, b
Ejemplo n.º 5
0
    def _draw(self, cr):
        width, height = self.get_size()
        #print "window size is %d,%d" % (width, height)

        x1 = 0
        x2 = width
        clr_wd = width // 256
        rem_px = x2 - (clr_wd * 256)
        if rem_px > 0:
            ival = 256 // rem_px
        else:
            ival = 0
        clr_ht = height
        #print "clr is %dx%d width=%d rem=%d ival=%d" % (
        #    width, height, clr_wd, rem_px, ival)

        j = ival
        off = 0
        range_pts = []
        for i in xrange(256):

            wd = clr_wd
            if rem_px > 0:
                j -= 1
                if j == 0:
                    rem_px -= 1
                    j = ival
                    wd += 1
            x = off

            (r, g, b) = self.rgbmap.get_rgbval(i)

            color = QtGui.QColor(r, g, b)
            cr.fillRect(QtCore.QRect(x, 0, wd, clr_ht), color)

            # Draw range scale if we are supposed to
            if self.t_showrange and self._interval.has_key(i):
                pct = float(i) / 256.0
                val = int(self.loval + pct * (self.hival - self.loval))
                text = "%d" % (val)
                rect = cr.boundingRect(0, 0, 1000, 1000, 0, text)
                x1, y1, x2, y2 = rect.getCoords()
                _wd = x2 - x1
                _ht = y2 - y1
                _ht = 14

                rx = x
                ry = _ht - 2
                range_pts.append((rx, ry, text))

            off += wd

        # draw range
        pen = cr.pen()
        cr.setFont(QtGui.QFont(self.t_font, pointSize=self.t_fontsize))
        color = QtGui.QColor()
        color.setRgbF(0.0, 0.0, 0.0)
        pen.setColor(color)
        cr.setPen(pen)

        for (x, y, text) in range_pts:
            # tick
            cr.drawLine(x, 0, x, 2)
            # number
            cr.drawText(x, y, text)
Ejemplo n.º 6
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    def redo(self):
        """This updates DQ flags from canvas selection."""
        self.w.x.set_text(str(self.xcen))
        self.w.y.set_text(str(self.ycen))

        # Clear previous single-pixel results
        self.pxdqlist.clear()
        self.w.dq.set_text(self._no_keyword)

        image = self.fitsimage.get_image()
        depth = image.get_depth()
        if depth == 3:
            self.logger.error('DQ inspection for RGB image is not supported')
            return True

        header = image.get_header()
        extname = header.get(self._ext_key, self._no_keyword).upper()
        instrument = header.get(self._ins_key, None)

        # If displayed extension is not DQ, extract DQ array with same EXTVER
        if extname != self._dq_extname:
            imfile = image.metadata['path']
            imname = image.metadata['name'].split('[')[0]
            extver = header.get(self._extver_key, self._dummy_value)
            dq_extnum = (self._dq_extname, extver)

            with fits.open(imfile) as pf:
                dqsrc = dq_extnum in pf

            # Do not continue if no DQ extension
            if not dqsrc:
                self.logger.error('{0} extension not found for {1}'.format(
                    dq_extnum, imfile))
                return True

            chname = self.fv.get_channelName(self.fitsimage)
            chinfo = self.fv.get_channelInfo(chname)
            dqname = '{0}[{1},{2}]'.format(imname, self._dq_extname, extver)

            if dqname in chinfo.datasrc:  # DQ already loaded
                self.logger.debug('Loading {0} from cache'.format(dqname))
                dqsrc = chinfo.datasrc[dqname]
            else:  # Force load DQ data
                self.logger.debug('Loading {0} from {1}'.format(
                    dqname, imfile))
                dqsrc = self.fv.load_image(imfile, idx=dq_extnum)
                future = Future.Future()
                future.freeze(self.fv.load_image, imfile, idx=dq_extnum)
                dqsrc.set(path=imfile,
                          idx=dq_extnum,
                          name=dqname,
                          image_future=future)
                chinfo.datasrc[dqname] = dqsrc
                self.fv.make_callback('add-image', chname, dqsrc)

        # Use displayed image
        else:
            dqname = image.metadata['name']
            dqsrc = image

        data = dqsrc.get_data()
        if data.ndim != self._ndim:
            self.logger.error('Expected ndim={0} but data has '
                              'ndim={1}'.format(self._ndim, data.ndim))
            return True

        # Get cached DQ parser first, if available
        if instrument in self._dqparser:
            self.logger.debug(
                'Using cached DQ parser for {0}'.format(instrument))
            dqparser = self._dqparser[instrument]

        # Create new parser and cache it.
        # Look in package data first. If not found, assume external data.
        # If no data file provided, use default.
        else:
            self.logger.debug(
                'Creating new DQ parser for {0}'.format(instrument))

            if instrument in self.dqdict:
                dqfile = get_pkg_data_filename(self.dqdict[instrument])
                if dqfile:
                    self.logger.info('Using package data {0}'.format(dqfile))
                elif os.path.isfile(self.dqdict[instrument]):
                    dqfile = self.dqdict[instrument]
                    self.logger.info('Using external data {0}'.format(dqfile))
                else:
                    dqfile = _def_tab
                    self.logger.warn(
                        '{0} not found for {1}, using default'.format(
                            self.dqdict[instrument], instrument))
            else:
                dqfile = _def_tab
                self.logger.warn(
                    '{0} is not supported, using default'.format(instrument))

            dqparser = DQParser(dqfile)
            self._dqparser[instrument] = dqparser

        # Get cached results first, if available
        if self._cache_key in dqsrc.metadata:
            self.logger.debug('Using cached DQ results for {0}'.format(dqname))
            pixmask_by_flag = dqsrc.get(self._cache_key)

        # Interpret DQ flags for all pixels.
        # Cache {flag: np_index}
        else:
            self.logger.debug('Interpreting all DQs for {0}...'.format(dqname))
            pixmask_by_flag = dqparser.interpret_array(data)
            dqsrc.metadata[self._cache_key] = pixmask_by_flag

        # Parse DQ into individual flag definitions
        pixval = data[int(self.ycen), int(self.xcen)]
        dqs = dqparser.interpret_dqval(pixval)
        self.w.dq.set_text(str(pixval))
        for row in dqs:
            item = QtGui.QListWidgetItem('{0:<5d}\t{1}'.format(
                row[dqparser._dqcol], row[self.dqstr]))
            self.pxdqlist.addItem(item)

        # No need to do the rest if image has not changed
        if pixmask_by_flag is self._curpxmask:
            return True

        # Populate a list of all valid DQ flags for that image.
        # Only list DQ flags present anywhere in the image.
        self.imdqlist.clear()
        self.w.npix.set_text(self._no_keyword)
        self._curpxmask = pixmask_by_flag
        self._curshape = data.shape
        for key in sorted(self._curpxmask):
            if len(self._curpxmask[key][0]) == 0:
                continue
            row = dqparser.tab[dqparser.tab[dqparser._dqcol] == key]
            item = QtGui.QListWidgetItem('{0:<5d}\t{1}'.format(
                row[dqparser._dqcol][0], row[self.dqstr][0]))
            self.imdqlist.addItem(item)

        return True
Ejemplo n.º 7
0
    def __init__(self, logger):
        super(FitsViewer, self).__init__()
        self.logger = logger
        self.drawcolors = colors.get_colors()
        self.dc = get_canvas_types()

        fi = CanvasView(logger)
        fi.enable_autocuts('on')
        fi.set_autocut_params('zscale')
        fi.enable_autozoom('on')
        fi.set_zoom_algorithm('rate')
        fi.set_zoomrate(1.4)
        fi.show_pan_mark(True)
        #fi.enable_draw(False)
        fi.set_callback('drag-drop', self.drop_file_cb)
        fi.set_callback('none-move', self.cursor_cb)
        fi.ui_set_active(True)
        self.fitsimage = fi

        # quick hack to get 'u' to invoke hidden camera mode
        bm = fi.get_bindmap()
        bm.mode_map['u'] = bm.mode_map['mode_camera']

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

        # canvas that we will draw on
        canvas = self.dc.DrawingCanvas()
        canvas.enable_draw(True)
        canvas.set_drawtype('rectangle', color='lightblue')
        canvas.set_surface(fi)
        self.canvas = canvas
        # add canvas to view
        #fi.add(canvas)
        private_canvas = fi.get_canvas()
        private_canvas.register_for_cursor_drawing(fi)
        private_canvas.add(canvas)
        canvas.ui_set_active(True)
        self.drawtypes = canvas.get_drawtypes()
        self.drawtypes.sort()

        # add a color bar
        #fi.show_color_bar(True)
        #fi.show_focus_indicator(True)

        # add little mode indicator that shows keyboard modal states
        #fi.show_mode_indicator(True, corner='ur')

        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)

        self.readout = QtGui.QLabel("")
        vbox.addWidget(self.readout,
                       stretch=0,
                       alignment=QtCore.Qt.AlignCenter)

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

        wdrawtype = QtGui.QComboBox()
        for name in self.drawtypes:
            wdrawtype.addItem(name)
        index = self.drawtypes.index('rectangle')
        wdrawtype.setCurrentIndex(index)
        wdrawtype.activated.connect(self.set_drawparams)
        self.wdrawtype = wdrawtype

        wdrawcolor = QtGui.QComboBox()
        for name in self.drawcolors:
            wdrawcolor.addItem(name)
        index = self.drawcolors.index('lightblue')
        wdrawcolor.setCurrentIndex(index)
        wdrawcolor.activated.connect(self.set_drawparams)
        self.wdrawcolor = wdrawcolor

        wfill = QtGui.QCheckBox("Fill")
        wfill.stateChanged.connect(self.set_drawparams)
        self.wfill = wfill

        walpha = QtGui.QDoubleSpinBox()
        walpha.setRange(0.0, 1.0)
        walpha.setSingleStep(0.1)
        walpha.setValue(1.0)
        walpha.valueChanged.connect(self.set_drawparams)
        self.walpha = walpha

        wclear = QtGui.QPushButton("Clear Canvas")
        wclear.clicked.connect(self.clear_canvas)
        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, wdrawtype, wdrawcolor, wfill, QtGui.QLabel('Alpha:'),
                  walpha, wclear, 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)
Ejemplo n.º 8
0
 def add_operation(self, title):
     opmenu = self.w.operation
     item = QtGui.QAction(title, opmenu)
     item.triggered.connect(lambda: self.start_operation_cb(title))
     opmenu.addAction(item)
     self.operations.append(title)
Ejemplo n.º 9
0
    def build_toplevel(self):

        self.font = self.getFont('fixedFont', 12)
        self.font11 = self.getFont('fixedFont', 11)
        self.font14 = self.getFont('fixedFont', 14)
        self.font18 = self.getFont('fixedFont', 18)

        self.w.tooltips = None
        QtGui.QToolTip.setFont(self.font11)

        self.ds = QtHelp.Desktop()
        self.ds.make_desktop(self.layout, widgetDict=self.w)
        # TEMP: FIX ME!
        self.gpmon.ds = self.ds

        for root in self.ds.toplevels:
            # add delete/destroy callbacks
            ## root.connect(root, QtCore.SIGNAL('closeEvent()'),
            ##              self.quit)
            #root.setApp(self)
            root.setWindowTitle("Ginga")
        self.ds.add_callback('all-closed', self.quit)

        self.w.root = root
        self.w.fscreen = None

        menuholder = self.w['menu']
        self.w.menubar = self.add_menus(menuholder)

        # Create main (center) FITS image pane
        self.w.vbox = self.w['main'].layout()
        self.w.vbox.setSpacing(0)
        #self.w.mnb = self.ds.make_ws(name='main', group=1, wstype='grid').nb
        ## self.w.mnb.subWindowActivated.connect(self.page_switch_mdi_cb)
        #self.w.mnb = self.ds.make_ws(name='main', group=1).nb
        self.w.mnb = self.w['channels']
        self.w.mnb.currentChanged.connect(self.page_switch_cb)

        # readout
        if self.settings.get('shareReadout', True):
            self.readout = self.build_readout()
            self.add_callback('field-info', self.readout_cb, self.readout,
                              None)
            rw = self.readout.get_widget()
            self.w.vbox.addWidget(rw, stretch=0)

        # bottom buttons
        plw = QtGui.QWidget()
        hbox = QtGui.QHBoxLayout()
        hbox.setContentsMargins(0, 0, 0, 0)
        hbox.setSpacing(2)
        plw.setLayout(hbox)

        cbox1 = QtHelp.ComboBox()
        self.w.channel = cbox1
        cbox1.setToolTip("Select a channel")
        cbox1.activated.connect(self.channel_select_cb)
        hbox.addWidget(cbox1, stretch=0)

        opmenu = QtGui.QMenu()
        self.w.operation = opmenu
        btn = QtGui.QPushButton("Operation")
        btn.clicked.connect(self.invoke_op_cb)
        btn.setToolTip("Invoke operation")
        self.w.opbtn = btn
        hbox.addWidget(btn, stretch=0)

        w = QtGui.QWidget()
        self.w.optray = QtGui.QHBoxLayout()
        self.w.optray.setContentsMargins(0, 0, 0, 0)
        self.w.optray.setSpacing(2)
        w.setLayout(self.w.optray)
        hbox.addWidget(w, stretch=1, alignment=QtCore.Qt.AlignLeft)

        self.w.vbox.addWidget(plw, stretch=0)

        # Add colormap bar
        cbar = self.build_colorbar()
        self.w.vbox.addWidget(cbar, stretch=0)

        self.add_dialogs()
        statusholder = self.w['status']
        self.add_statusbar(statusholder)

        self.w.root.show()
Ejemplo n.º 10
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 def add_plugin_menu(self, name):
     item = QtGui.QAction("Start %s" % (name), self.w.menubar)
     item.triggered.connect(lambda: self.start_global_plugin(name))
     self.w.menu_plug.addAction(item)
Ejemplo n.º 11
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 def add_statusbar(self, holder):
     self.w.status = QtGui.QStatusBar()
     holder.layout().addWidget(self.w.status, stretch=1)
Ejemplo n.º 12
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 def add_dialogs(self):
     filesel = QtGui.QFileDialog(self.w.root)
     filesel.setFileMode(QtGui.QFileDialog.ExistingFile)
     filesel.setViewMode(QtGui.QFileDialog.Detail)
     self.filesel = filesel
Ejemplo n.º 13
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    def add_menus(self, holder):

        menubar = QtGui.QMenuBar()

        # NOTE: Special hack for Mac OS X, otherwise the menus
        # do not get added to the global OS X menu
        macos_ver = platform.mac_ver()[0]
        if len(macos_ver) > 0:
            self.w['top'].layout().addWidget(menubar, stretch=0)
        else:
            holder.layout().addWidget(menubar, stretch=1)

        # create a File pulldown menu, and add it to the menu bar
        filemenu = menubar.addMenu("File")

        item = QtGui.QAction("Load Image", menubar)
        item.triggered.connect(self.gui_load_file)
        filemenu.addAction(item)

        sep = QtGui.QAction(menubar)
        sep.setSeparator(True)
        filemenu.addAction(sep)

        item = QtGui.QAction("Quit", menubar)
        item.triggered.connect(self.windowClose)
        filemenu.addAction(item)

        # create a Channel pulldown menu, and add it to the menu bar
        chmenu = menubar.addMenu("Channel")

        item = QtGui.QAction("Add Channel", menubar)
        item.triggered.connect(self.gui_add_channel)
        chmenu.addAction(item)

        item = QtGui.QAction("Add Channels", menubar)
        item.triggered.connect(self.gui_add_channels)
        chmenu.addAction(item)

        item = QtGui.QAction("Delete Channel", menubar)
        item.triggered.connect(self.gui_delete_channel)
        chmenu.addAction(item)

        # create a Window pulldown menu, and add it to the menu bar
        winmenu = menubar.addMenu("Workspace")

        item = QtGui.QAction("Add Workspace", menubar)
        item.triggered.connect(self.gui_add_ws)
        winmenu.addAction(item)

        # # create a Option pulldown menu, and add it to the menu bar
        # optionmenu = menubar.addMenu("Option")

        ## # create a Workspace pulldown menu, and add it to the menu bar
        ## wsmenu = menubar.addMenu("Workspace")

        ## item = QtGui.QAction("Panes as Tabs", menubar)
        ## item.triggered.connect(self.tabstoggle_cb)
        ## item.setCheckable(True)
        ## # TODO: check the state of the workspace first
        ## item.setChecked(True)
        ## wsmenu.addAction(item)

        ## item = QtGui.QAction("Tile Panes", menubar)
        ## item.triggered.connect(self.tile_panes_cb)
        ## wsmenu.addAction(item)

        ## item = QtGui.QAction("Cascade Panes", menubar)
        ## item.triggered.connect(self.cascade_panes_cb)
        ## wsmenu.addAction(item)

        # create a Plugins pulldown menu, and add it to the menu bar
        plugmenu = menubar.addMenu("Plugins")
        self.w.menu_plug = plugmenu

        # create a Help pulldown menu, and add it to the menu bar
        helpmenu = menubar.addMenu("Help")

        item = QtGui.QAction("About", menubar)
        item.triggered.connect(lambda: self.banner(raiseTab=True))
        helpmenu.addAction(item)

        item = QtGui.QAction("Documentation", menubar)
        item.triggered.connect(lambda: self.help())
        helpmenu.addAction(item)

        return menubar
Ejemplo n.º 14
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    def build_gui(self, container):
        sw = QtGui.QScrollArea()

        twidget = QtHelp.VBox()
        sp = QtGui.QSizePolicy(QtGui.QSizePolicy.MinimumExpanding,
                               QtGui.QSizePolicy.Fixed)
        twidget.setSizePolicy(sp)
        vbox1 = twidget.layout()
        vbox1.setContentsMargins(4, 4, 4, 4)
        vbox1.setSpacing(2)
        sw.setWidgetResizable(True)
        sw.setWidget(twidget)

        msgFont = QtGui.QFont("Sans", 14)
        tw = QtGui.QLabel()
        tw.setFont(msgFont)
        tw.setWordWrap(True)
        self.tw = tw

        fr = QtHelp.Frame("Instructions")
        fr.layout().addWidget(tw, stretch=1, alignment=QtCore.Qt.AlignTop)
        vbox1.addWidget(fr, stretch=0, alignment=QtCore.Qt.AlignTop)
        
        fr = QtHelp.Frame("Drawing")

        captions = (('Draw type', 'combobox'), ('Draw color', 'combobox'),
                    ('Clear canvas', 'button'))
        w, b = QtHelp.build_info(captions)
        self.w = b

        combobox = b.draw_type
        options = []
        index = 0
        for name in self.drawtypes:
            options.append(name)
            combobox.addItem(name)
            index += 1
        index = self.drawtypes.index(default_drawtype)
        combobox.setCurrentIndex(index)
        combobox.activated.connect(self.set_drawparams)

        self.w.draw_color = b.draw_color
        combobox = b.draw_color
        options = []
        index = 0
        self.drawcolors = draw_colors
        for name in self.drawcolors:
            options.append(name)
            combobox.addItem(name)
            index += 1
        index = self.drawcolors.index(default_drawcolor)
        combobox.setCurrentIndex(index)
        combobox.activated.connect(self.set_drawparams)

        b.clear_canvas.clicked.connect(self.clear_canvas)

        fr.layout().addWidget(w, stretch=1, alignment=QtCore.Qt.AlignLeft)
        vbox1.addWidget(fr, stretch=0, alignment=QtCore.Qt.AlignTop)

        btns = QtHelp.HBox()
        layout = btns.layout()
        layout.setSpacing(3)

        btn = QtGui.QPushButton("Close")
        btn.clicked.connect(self.close)
        layout.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
        vbox1.addWidget(btns, stretch=0, alignment=QtCore.Qt.AlignLeft)

        container.addWidget(sw, stretch=1)
Ejemplo n.º 15
0
    def __init__(self):
        super(ScrollArea, self).__init__()

        self.widget = QtGui.QScrollArea()
        self.widget.setWidgetResizable(True)
Ejemplo n.º 16
0
    def build_gui(self, container, future=None):
        vbox1 = QtHelp.VBox()

        msgFont = self.fv.getFont("sansFont", 14)
        tw = QtGui.QLabel()
        tw.setFont(msgFont)
        tw.setWordWrap(True)
        self.tw = tw

        fr = QtHelp.Frame("Instructions")
        fr.addWidget(tw, stretch=1, alignment=QtCore.Qt.AlignTop)
        vbox1.addWidget(fr, stretch=0, alignment=QtCore.Qt.AlignTop)

        nb = QtHelp.TabWidget()
        nb.setTabPosition(QtGui.QTabWidget.South)
        nb.setUsesScrollButtons(True)
        self.w.nb = nb
        #vbox1.addWidget(nb, stretch=1, alignment=QtCore.Qt.AlignTop)
        vbox1.addWidget(nb, stretch=1)

        vbox0 = QtHelp.VBox()

        hbox = QtHelp.HBox()
        hbox.setSpacing(4)
        vbox0.addWidget(hbox, stretch=1, alignment=QtCore.Qt.AlignTop)

        vbox = QtHelp.VBox()
        fr = QtHelp.Frame(" Image Server ")
        fr.addWidget(vbox, stretch=1, alignment=QtCore.Qt.AlignTop)
        hbox.addWidget(fr, stretch=0, alignment=QtCore.Qt.AlignLeft)

        captions = (('Server', 'xlabel'), ('@Server', 'combobox'),
                    ('Use DSS channel', 'checkbutton'), ('Get Image',
                                                         'button'))
        w, b = QtHelp.build_info(captions)
        self.w.update(b)
        self.w.get_image.clicked.connect(self.getimage_cb)
        self.w.use_dss_channel.setChecked(self.use_dss_channel)
        self.w.use_dss_channel.stateChanged.connect(self.use_dss_channel_cb)

        vbox.addWidget(w, stretch=0, alignment=QtCore.Qt.AlignTop)

        self.w.img_params = QtHelp.StackedWidget()
        vbox.addWidget(self.w.img_params,
                       stretch=1,
                       alignment=QtCore.Qt.AlignTop)

        combobox = self.w.server
        index = 0
        self.image_server_options = self.fv.imgsrv.getServerNames(kind='image')
        for name in self.image_server_options:
            combobox.addItem(name)
            index += 1
        index = 0
        combobox.setCurrentIndex(index)
        combobox.activated.connect(self.setup_params_image)
        if len(self.image_server_options) > 0:
            self.setup_params_image(index, redo=False)

        vbox = QtHelp.VBox()
        fr = QtHelp.Frame(" Catalog Server ")
        fr.addWidget(vbox, stretch=1, alignment=QtCore.Qt.AlignTop)
        hbox.addWidget(fr, stretch=0, alignment=QtCore.Qt.AlignLeft)

        captions = (('Server', 'xlabel'), ('@Server', 'combobox'),
                    ('Limit stars to area', 'checkbutton'), ('Search',
                                                             'button'))
        w, self.w2 = QtHelp.build_info(captions)
        self.w2.search.clicked.connect(self.getcatalog_cb)
        self.w2.limit_stars_to_area.setChecked(self.limit_stars_to_area)
        self.w2.limit_stars_to_area.stateChanged.connect(self.limit_area_cb)

        vbox.addWidget(w, stretch=0, alignment=QtCore.Qt.AlignTop)

        self.w2.cat_params = QtHelp.StackedWidget()
        vbox.addWidget(self.w2.cat_params,
                       stretch=1,
                       alignment=QtCore.Qt.AlignTop)

        combobox = self.w2.server
        index = 0
        self.catalog_server_options = self.fv.imgsrv.getServerNames(
            kind='catalog')
        for name in self.catalog_server_options:
            combobox.addItem(name)
            index += 1
        index = 0
        combobox.setCurrentIndex(index)
        combobox.activated.connect(self.setup_params_catalog)
        if len(self.catalog_server_options) > 0:
            self.setup_params_catalog(index, redo=False)

        btns = QtHelp.HBox()
        btns.setSpacing(5)

        btn = QtGui.QRadioButton("Rectangle")
        if self.drawtype == 'rectangle':
            btn.setChecked(True)
        btn.toggled.connect(lambda tf: self.set_drawtype_cb(tf, 'rectangle'))
        btns.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
        btn = QtGui.QRadioButton("Circle")
        if self.drawtype == 'circle':
            btn.setChecked(True)
        btn.toggled.connect(lambda tf: self.set_drawtype_cb(tf, 'circle'))
        btns.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
        btn = QtGui.QPushButton("Entire image")
        btn.clicked.connect(self.setfromimage)
        btns.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
        vbox0.addWidget(btns, stretch=0, alignment=QtCore.Qt.AlignTop)

        self.w.params = vbox0

        sw = QtGui.QScrollArea()
        sw.setWidgetResizable(True)
        sw.setWidget(vbox0)

        nb.addTab(sw, "Params")

        vbox = QtHelp.VBox()
        self.table = CatalogListing(self.logger, vbox)

        hbox = QtHelp.HBox()
        adj = QtGui.QScrollBar(QtCore.Qt.Horizontal)
        adj.setRange(0, 1000)
        adj.setSingleStep(1)
        adj.setPageStep(10)
        #adj.setMaximum(1000)
        adj.setValue(0)
        #adj.resize(200, -1)
        adj.setTracking(True)
        adj.setToolTip("Choose subset of stars plotted")
        self.w.plotgrp = adj
        adj.valueChanged.connect(self.plot_pct_cb)
        hbox.addWidget(adj, stretch=1)

        sb = QtGui.QSpinBox()
        sb.setRange(10, self.plot_max)
        sb.setValue(self.plot_limit)
        sb.setSingleStep(10)
        adj.setPageStep(100)
        sb.setWrapping(False)
        self.w.plotnum = sb
        sb.setToolTip("Adjust size of subset of stars plotted")
        sb.valueChanged.connect(self.plot_limit_cb)
        hbox.addWidget(sb, stretch=0)

        vbox.addWidget(hbox, stretch=0)
        self.w.listing = vbox
        nb.addTab(vbox, "Listing")

        btns = QtHelp.HBox()
        btns.setSpacing(3)
        #btns.set_child_size(15, -1)
        self.w.buttons = btns

        btn = QtGui.QPushButton("Close")
        btn.clicked.connect(self.close)
        btns.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)

        if future:
            btn = QtGui.QPushButton('Ok')
            btn.clicked.connect(lambda w: self.ok())
            btns.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
            btn = QtGui.QPushButton('Cancel')
            btn.clicked.connect(lambda w: self.cancel())
            btns.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)

        vbox1.addWidget(btns, stretch=0)

        cw = container.get_widget()
        cw.addWidget(vbox1, stretch=1)
Ejemplo n.º 17
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    def build_gui(self, container):
        top = Widgets.VBox()
        top.set_border_width(4)

        vbox, sw, orientation = Widgets.get_oriented_box(container)
        vbox.set_border_width(4)
        vbox.set_spacing(2)

        msgFont = self.fv.getFont('sansFont', 12)
        tw = Widgets.TextArea(wrap=True, editable=False)
        tw.set_font(msgFont)
        self.tw = tw

        fr = Widgets.Frame('Instructions')
        vbox2 = Widgets.VBox()
        vbox2.add_widget(tw)
        vbox2.add_widget(Widgets.Label(''), stretch=1)
        fr.set_widget(vbox2)
        vbox.add_widget(fr, stretch=0)

        fr = Widgets.Frame('Single Pixel')
        captions = [('X:', 'label', 'X', 'entry'),
                    ('Y:', 'label', 'Y', 'entry'),
                    ('DQ Flag:', 'label', 'DQ', 'llabel')]
        w, b = Widgets.build_info(captions, orientation=orientation)
        self.w.update(b)

        b.x.set_tooltip('X of pixel')
        b.x.set_text(str(self.xcen))
        b.x.widget.editingFinished.connect(self.set_xcen)

        b.y.set_tooltip('Y of pixel')
        b.y.set_text(str(self.ycen))
        b.y.widget.editingFinished.connect(self.set_ycen)

        b.dq.set_tooltip('DQ value of pixel')
        b.dq.set_text(self._no_keyword)
        b.dq.widget.setTextInteractionFlags(QtCore.Qt.TextSelectableByMouse)

        self.pxdqlist = QtGui.QListWidget()

        splitter = Widgets.Splitter('vertical')
        splitter.add_widget(w)
        splitter.widget.addWidget(self.pxdqlist)
        fr.set_widget(splitter)
        vbox.add_widget(fr, stretch=1)

        fr = Widgets.Frame('Whole Image')
        captions = [('Number of pixels:', 'llabel', 'npix', 'llabel',
                     'spacer1', 'spacer')]
        w, b = Widgets.build_info(captions, orientation=orientation)
        self.w.update(b)

        b.npix.set_tooltip('Number of affected pixels')
        b.npix.set_text(self._no_keyword)
        b.npix.widget.setTextInteractionFlags(QtCore.Qt.TextSelectableByMouse)

        self.imdqlist = QtGui.QListWidget()
        self.imdqlist.setSelectionMode(
            QtGui.QAbstractItemView.ExtendedSelection)
        self.imdqlist.itemSelectionChanged.connect(self.mark_dqs)

        splitter = Widgets.Splitter('vertical')
        splitter.add_widget(w)
        splitter.widget.addWidget(self.imdqlist)
        fr.set_widget(splitter)
        vbox.add_widget(fr, stretch=1)

        top.add_widget(sw, stretch=1)

        btns = Widgets.HBox()
        btns.set_border_width(4)
        btns.set_spacing(3)

        btn = Widgets.Button('Close')
        btn.add_callback('activated', lambda w: self.close())
        btns.add_widget(btn, stretch=0)
        btns.add_widget(Widgets.Label(''), stretch=1)

        top.add_widget(btns, stretch=0)
        container.add_widget(top, stretch=1)

        self.gui_up = True

        # Populate fields based on active image
        self.redo()
Ejemplo n.º 18
0
    def _build_gui(self, container):
        self.mframe = container

        vbox = QtHelp.VBox()

        # create the table
        table = QtGui.QTableView()
        self.table = table
        table.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
        table.setSelectionMode(QtGui.QAbstractItemView.SingleSelection)
        table.setShowGrid(False)
        vh = table.verticalHeader()
        # Hack to make the rows in a TableView all have a
        # reasonable height for the data
        if QtHelp.have_pyqt5:
            vh.setSectionResizeMode(QtGui.QHeaderView.ResizeToContents)
        else:
            vh.setResizeMode(QtGui.QHeaderView.ResizeToContents)
        # Hide vertical header
        vh.setVisible(False)

        vbox.addWidget(table, stretch=1)

        self.cbar = ColorBar.ColorBar(self.logger)
        self.cbar.set_cmap(self.cmap)
        self.cbar.set_imap(self.imap)
        #self.cbar.set_size_request(-1, 20)
        rgbmap = self.cbar.get_rgbmap()
        rgbmap.add_callback('changed', lambda *args: self.replot_stars())

        vbox.addWidget(self.cbar, stretch=0)

        btns = QtHelp.HBox()
        btns.setSpacing(5)

        combobox = QtHelp.ComboBox()
        options = []
        index = 0
        for name in self.cmap_names:
            options.append(name)
            combobox.addItem(name)
            index += 1
        cmap_name = self.magcmap
        try:
            index = self.cmap_names.index(cmap_name)
        except Exception:
            index = self.cmap_names.index('gray')
        combobox.setCurrentIndex(index)
        combobox.activated.connect(self.set_cmap_cb)
        self.btn['cmap'] = combobox
        btns.addWidget(combobox, stretch=0, alignment=QtCore.Qt.AlignRight)

        combobox = QtHelp.ComboBox()
        options = []
        index = 0
        for name in self.imap_names:
            options.append(name)
            combobox.addItem(name)
            index += 1
        imap_name = self.magimap
        try:
            index = self.imap_names.index(imap_name)
        except Exception:
            index = self.imap_names.index('ramp')
        combobox.setCurrentIndex(index)
        combobox.activated.connect(self.set_imap_cb)
        self.btn['imap'] = combobox
        btns.addWidget(combobox, stretch=0, alignment=QtCore.Qt.AlignRight)

        vbox.addWidget(btns, stretch=0, alignment=QtCore.Qt.AlignTop)

        btns = QtHelp.HBox()
        btns.setSpacing(5)

        for name in (
                'Plot',
                'Clear',  #'Close'
        ):
            btn = QtGui.QPushButton(name)
            btns.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignLeft)
            self.btn[name.lower()] = btn

        self.btn.plot.clicked.connect(self.replot_stars)
        self.btn.clear.clicked.connect(self.clear)
        #self.btn.close.clicked.connect(self.close)

        combobox = QtHelp.ComboBox()
        options = []
        index = 0
        for name in ['Mag']:
            options.append(name)
            combobox.addItem(name)
            index += 1
        combobox.setCurrentIndex(0)
        combobox.activated.connect(self.set_field_cb)
        self.btn['field'] = combobox
        btns.addWidget(combobox, stretch=0, alignment=QtCore.Qt.AlignLeft)

        vbox.addWidget(btns, stretch=0, alignment=QtCore.Qt.AlignTop)

        # create the table
        info = Bunch.Bunch(columns=self.columns, color='Mag')
        self.build_table(info)

        self.mframe.addWidget(vbox, stretch=1)
Ejemplo n.º 19
0
    def __init__(self, logger):
        super(FitsViewer, self).__init__()
        self.logger = logger
        self.drawcolors = ['white', 'black', 'red', 'yellow', 'blue', 'green']

        fi = FitsImageCanvas(logger, render='widget')
        fi.enable_autocuts('on')
        fi.enable_zoom('on')
        fi.enable_cuts(True)
        fi.enable_flip(True)
        fi.enable_rotate(True)
        fi.enable_draw(True)
        fi.set_drawtype('ruler')
        fi.set_drawcolor('blue')
        fi.set_callback('drag-drop', self.drop_file)
        fi.set_callback('motion', self.motion)
        fi.set_bg(0.2, 0.2, 0.2)
        fi.ui_setActive(True)
        self.fitsimage = fi

        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)

        self.readout = QtGui.QLabel("")
        vbox.addWidget(self.readout, stretch=0,
                       alignment=QtCore.Qt.AlignCenter)
        
        hbox = QtGui.QHBoxLayout()
        hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))

        wdrawtype = QtGui.QComboBox()
        self.drawtypes = fi.get_drawtypes()
        for name in self.drawtypes:
            wdrawtype.addItem(name)
        index = self.drawtypes.index('ruler')
        wdrawtype.setCurrentIndex(index)
        self.connect(wdrawtype, QtCore.SIGNAL("activated(QString)"),
                     self.set_drawparams)
        self.wdrawtype = wdrawtype

        wdrawcolor = QtGui.QComboBox()
        for name in self.drawcolors:
            wdrawcolor.addItem(name)
        index = self.drawcolors.index('blue')
        wdrawcolor.setCurrentIndex(index)
        self.connect(wdrawcolor, QtCore.SIGNAL("activated(QString)"),
                     self.set_drawparams)
        self.wdrawcolor = wdrawcolor

        wclear = QtGui.QPushButton("Clear Canvas")
        self.connect(wclear, QtCore.SIGNAL("clicked()"), self.clear_canvas)
        wopen = QtGui.QPushButton("Open File")
        self.connect(wopen, QtCore.SIGNAL("clicked()"), self.open_file)
        wquit = QtGui.QPushButton("Quit")
        self.connect(wquit, QtCore.SIGNAL("clicked()"),
                     self, QtCore.SLOT("close()"))

        hbox.addStretch(1)
        for w in (wopen, wdrawtype, wdrawcolor, wclear, 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)
Ejemplo n.º 20
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import sys
from ginga.qtw.QtHelp import QtGui, QtCore

from ginga.qtw import ColorBar
from ginga import cmap, imap
import logging

if __name__ == "__main__":
    app = QtGui.QApplication([])

    logger = logging.getLogger('cbar')
    w = ColorBar.ColorBar(logger)
    w.set_cmap(cmap.get_cmap('rainbow'))
    w.set_imap(imap.get_imap('ramp'))
    w.show()

    app.exec_()
Ejemplo n.º 21
0
 def build_gui(self, container):
     nb = QtGui.QStackedWidget()
     self.nb = nb
     container.addWidget(self.nb, stretch=1)
Ejemplo n.º 22
0
    def __init__(self, logger):
        super(FitsViewer, self).__init__()
        self.logger = logger
        self.drawcolors = colors.get_colors()

        fig = Figure()
        w = FigureCanvas(fig)

        fi = ImageViewCanvas(logger=logger)
        fi.enable_autocuts('on')
        fi.set_autocut_params('zscale')
        fi.enable_autozoom('on')
        fi.enable_draw(False)
        fi.set_callback('drag-drop', self.drop_file_cb)
        fi.set_callback('cursor-changed', self.cursor_cb)
        fi.set_bg(0.2, 0.2, 0.2)
        fi.ui_set_active(True)
        self.fitsimage = fi
        fi.set_figure(fig)

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

        # canvas that we will draw on
        DrawingCanvas = fi.getDrawClass('drawingcanvas')
        canvas = DrawingCanvas()
        canvas.enable_draw(True)
        #canvas.enable_edit(True)
        canvas.set_drawtype('rectangle', color='lightblue')
        canvas.set_surface(fi)
        self.canvas = canvas
        # add canvas to view
        fi.add(canvas)
        canvas.ui_set_active(True)

        w.resize(512, 512)

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

        self.readout = QtGui.QLabel("")
        vbox.addWidget(self.readout, stretch=0,
                       alignment=QtCore.Qt.AlignCenter)

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

        wdrawtype = QtGui.QComboBox()
        self.drawtypes = fi.get_drawtypes()
        for name in self.drawtypes:
            wdrawtype.addItem(name)
        index = self.drawtypes.index('rectangle')
        wdrawtype.setCurrentIndex(index)
        wdrawtype.activated.connect(self.set_drawparams)
        self.wdrawtype = wdrawtype

        wdrawcolor = QtGui.QComboBox()
        for name in self.drawcolors:
            wdrawcolor.addItem(name)
        index = self.drawcolors.index('lightblue')
        wdrawcolor.setCurrentIndex(index)
        wdrawcolor.activated.connect(self.set_drawparams)
        self.wdrawcolor = wdrawcolor

        wfill = QtGui.QCheckBox("Fill")
        wfill.stateChanged.connect(self.set_drawparams)
        self.wfill = wfill

        walpha = QtGui.QDoubleSpinBox()
        walpha.setRange(0.0, 1.0)
        walpha.setSingleStep(0.1)
        walpha.setValue(1.0)
        walpha.valueChanged.connect(self.set_drawparams)
        self.walpha = walpha

        wclear = QtGui.QPushButton("Clear Canvas")
        wclear.clicked.connect(self.clear_canvas)
        wopen = QtGui.QPushButton("Open File")
        wopen.clicked.connect(self.open_file)
        wquit = QtGui.QPushButton("Quit")
        wquit.clicked.connect(self.close)

        hbox.addStretch(1)
        for w in (wopen, wdrawtype, wdrawcolor, wfill,
                  QtGui.QLabel('Alpha:'), walpha, wclear, 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)
Ejemplo n.º 23
0
 def setup_cr(self):
     cr = QtGui.QPainter(self.pixmap)
     pen = QtGui.QPen()
     pen.setWidth(1)
     cr.setPen(pen)
     return cr
Ejemplo n.º 24
0
    def __init__(self, logger):
        super(FitsViewer, self).__init__()
        self.logger = logger
        self.drawcolors = colors.get_colors()
        self.dc = get_canvas_types()

        #fi = ImageViewCanvas(logger, render='widget')
        fi = CanvasView(logger, render='widget')
        fi.enable_autocuts('on')
        fi.set_autocut_params('zscale')
        fi.enable_autozoom('on')
        fi.set_zoom_algorithm('rate')
        fi.set_zoomrate(1.4)
        fi.show_pan_mark(True)
        #fi.enable_draw(False)
        fi.set_callback('drag-drop', self.drop_file)
        fi.set_callback('none-move', self.motion)
        fi.set_bg(0.2, 0.2, 0.2)
        fi.ui_setActive(True)
        self.fitsimage = fi

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

        # canvas that we will draw on
        canvas = self.dc.DrawingCanvas()
        canvas.enable_draw(True)
        canvas.set_drawtype('rectangle', color='lightblue')
        canvas.set_surface(fi)
        self.canvas = canvas
        # add canvas to view
        #fi.add(canvas)
        private_canvas = fi.get_canvas()
        private_canvas.add(canvas)
        canvas.ui_setActive(True)
        self.drawtypes = canvas.get_drawtypes()
        self.drawtypes.sort()

        # add a color bar
        private_canvas.add(self.dc.ColorBar(side='bottom', offset=10))

        # add little mode indicator that shows modal states in
        # the corner
        private_canvas.add(self.dc.ModeIndicator(corner='ur'))
        # little hack necessary to get correct operation of the mode indicator
        # in all circumstances
        bm = fi.get_bindmap()
        bm.add_callback('mode-set', lambda *args: fi.redraw(whence=3))

        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)

        self.readout = QtGui.QLabel("")
        vbox.addWidget(self.readout, stretch=0,
                       alignment=QtCore.Qt.AlignCenter)

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

        wdrawtype = QtGui.QComboBox()
        for name in self.drawtypes:
            wdrawtype.addItem(name)
        index = self.drawtypes.index('rectangle')
        wdrawtype.setCurrentIndex(index)
        wdrawtype.activated.connect(self.set_drawparams)
        self.wdrawtype = wdrawtype

        wdrawcolor = QtGui.QComboBox()
        for name in self.drawcolors:
            wdrawcolor.addItem(name)
        index = self.drawcolors.index('lightblue')
        wdrawcolor.setCurrentIndex(index)
        wdrawcolor.activated.connect(self.set_drawparams)
        self.wdrawcolor = wdrawcolor

        wfill = QtGui.QCheckBox("Fill")
        wfill.stateChanged.connect(self.set_drawparams)
        self.wfill = wfill

        walpha = QtGui.QDoubleSpinBox()
        walpha.setRange(0.0, 1.0)
        walpha.setSingleStep(0.1)
        walpha.setValue(1.0)
        walpha.valueChanged.connect(self.set_drawparams)
        self.walpha = walpha

        wclear = QtGui.QPushButton("Clear Canvas")
        wclear.clicked.connect(self.clear_canvas)
        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, wdrawtype, wdrawcolor, wfill,
                  QtGui.QLabel('Alpha:'), walpha, wclear, 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)
Ejemplo n.º 25
0
    def __init__(self, logger):
        super(FitsViewer, self).__init__()
        self.logger = logger
        self.drawcolors = colors.get_colors()
        self.dc = get_canvas_types()

        self.set_medfilt(0)
        self.set_c2c(0)

        # create the ginga viewer and configure it
        fi = CanvasView(self.logger, render='widget')
        fi.enable_autocuts('on')
        fi.set_autocut_params('zscale')
        fi.enable_autozoom('on')
        fi.set_callback('drag-drop', self.drop_file)
        fi.add_callback('cursor-changed', self.cursor_cb)
        fi.add_callback('cursor-down', self.click_cb)
        fi.set_bg(0.2, 0.2, 0.2)
        fi.ui_set_active(True)
        self.fitsimage = fi

        # enable some user interaction
        bd = fi.get_bindings()
        bd.enable_all(True)

        # canvas that we will draw on
        canvas = self.dc.DrawingCanvas()
        #         canvas.enable_draw(True)
        #         canvas.enable_edit(True)
        #         canvas.set_drawtype('circle', color='lightblue')
        canvas.set_surface(fi)
        self.canvas = canvas
        # add canvas to view
        #fi.add(canvas)
        private_canvas = fi.get_canvas()
        private_canvas.add(canvas)
        #         canvas.register_for_cursor_drawing(fi)
        #         canvas.add_callback('draw-event', self.draw_cb)
        #         canvas.set_draw_mode('draw')
        canvas.ui_set_active(True)

        self.drawtypes = canvas.get_drawtypes()
        self.drawtypes.sort()

        w = fi.get_widget()
        w.resize(1000, 1000)

        # ---------------------------------------------------------------------
        # add scrollbar interface around this viewer
        si = ScrolledView(fi)

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

        # ---------------------------------------------------------------------
        # add live cursor readout
        self.readout = QtGui.QLabel("")
        vbox.addWidget(self.readout,
                       stretch=0,
                       alignment=QtCore.Qt.AlignCenter)

        # ---------------------------------------------------------------------
        # add row of interface widgets
        hbox = QtGui.QHBoxLayout()
        hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))

        wzoomfit = QtGui.QPushButton("Z0")
        wzoomfit.clicked.connect(self.zoom_fit)

        wzoomin = QtGui.QPushButton("Z+")
        wzoomin.clicked.connect(self.zoom_in)

        wzoomout = QtGui.QPushButton("Z-")
        wzoomout.clicked.connect(self.zoom_out)

        wc2c = QtGui.QCheckBox("Click to Center")
        wc2c.stateChanged.connect(self.set_c2c)
        self.wc2c = wc2c

        wsolve = QtGui.QPushButton("Solve")
        wsolve.clicked.connect(self.solve_astrometry)

        woverlay = QtGui.QPushButton("Overlay Catalog")
        woverlay.clicked.connect(self.overlay_catalog)

        wclear = QtGui.QPushButton("Clear Overlays")
        wclear.clicked.connect(self.clear_overlays)

        wmedfilt = QtGui.QCheckBox("Median Filter")
        wmedfilt.stateChanged.connect(self.set_medfilt)
        self.wmedfilt = wmedfilt

        wopen = QtGui.QPushButton("Open File")
        wopen.clicked.connect(self.open_file)

        wquit = QtGui.QPushButton("Quit")
        wquit.clicked.connect(self.quit)

        hbox.addStretch(1)

        hbox.addWidget(wzoomfit, stretch=0)
        hbox.addWidget(wzoomin, stretch=0)
        hbox.addWidget(wzoomout, stretch=0)
        hbox.addWidget(wc2c, stretch=0)
        #         hbox.addWidget(wsolve, stretch=0)
        hbox.addWidget(woverlay, stretch=0)
        hbox.addWidget(wclear, stretch=0)
        hbox.addWidget(wmedfilt, stretch=0)
        #         hbox.addWidget(wopen, stretch=0)
        hbox.addWidget(wquit, stretch=0)

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

        vw = QtGui.QWidget()
        self.setCentralWidget(vw)
        vw.setLayout(vbox)
Ejemplo n.º 26
0
    def __init__(self, logger):
        super(FitsViewer, self).__init__()
        self.logger = logger
        self.drawcolors = colors.get_colors()
        self.dc = get_canvas_types()

        fi = CanvasView(logger, render='widget')
        fi.enable_autocuts('on')
        fi.set_autocut_params('zscale')
        fi.enable_autozoom('on')
        fi.set_zoom_algorithm('rate')
        fi.set_zoomrate(1.4)
        #fi.show_pan_mark(True)
        #fi.enable_draw(False)
        fi.add_callback('drag-drop', self.drop_file_cb)
        fi.add_callback('cursor-changed', self.cursor_cb)
        fi.set_bg(0.2, 0.2, 0.2)
        fi.ui_set_active(True)
        self.fitsimage = fi

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

        # canvas that we will draw on
        canvas = self.dc.DrawingCanvas()
        canvas.enable_draw(True)
        canvas.enable_edit(True)
        canvas.set_drawtype('rectangle', color='lightblue')
        canvas.set_surface(fi)
        self.canvas = canvas
        # add canvas to view
        #fi.add(canvas)
        private_canvas = fi.get_canvas()
        private_canvas.add(canvas)
        canvas.register_for_cursor_drawing(fi)
        canvas.add_callback('draw-event', self.draw_cb)
        canvas.set_draw_mode('draw')
        canvas.ui_set_active(True)

        self.drawtypes = canvas.get_drawtypes()
        self.drawtypes.sort()

        # add a color bar
        #fi.show_color_bar(True)
        fi.show_focus_indicator(True)

        # add little mode indicator that shows keyboard modal states
        fi.show_mode_indicator(True, corner='ur')

        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)

        self.readout = QtGui.QLabel("")
        vbox.addWidget(self.readout,
                       stretch=0,
                       alignment=QtCore.Qt.AlignCenter)

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

        wdrawtype = QtGui.QComboBox()
        for name in self.drawtypes:
            wdrawtype.addItem(name)
        index = self.drawtypes.index('rectangle')
        wdrawtype.setCurrentIndex(index)
        wdrawtype.activated.connect(self.set_drawparams)
        self.wdrawtype = wdrawtype

        wdrawcolor = QtGui.QComboBox()
        for name in self.drawcolors:
            wdrawcolor.addItem(name)
        index = self.drawcolors.index('lightblue')
        wdrawcolor.setCurrentIndex(index)
        wdrawcolor.activated.connect(self.set_drawparams)
        self.wdrawcolor = wdrawcolor

        wfill = QtGui.QCheckBox("Fill")
        wfill.stateChanged.connect(self.set_drawparams)
        self.wfill = wfill

        walpha = QtGui.QDoubleSpinBox()
        walpha.setRange(0.0, 1.0)
        walpha.setSingleStep(0.1)
        walpha.setValue(1.0)
        walpha.valueChanged.connect(self.set_drawparams)
        self.walpha = walpha

        wclear = QtGui.QPushButton("Clear Canvas")
        wclear.clicked.connect(self.clear_canvas)
        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, wdrawtype, wdrawcolor, wfill, QtGui.QLabel('Alpha:'),
                  walpha, wclear, wquit):
            hbox.addWidget(w, stretch=0)

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

        mode = self.canvas.get_draw_mode()
        hbox = QtGui.QHBoxLayout()
        hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))

        btn1 = QtGui.QRadioButton("Draw")
        btn1.setChecked(mode == 'draw')
        btn1.toggled.connect(lambda val: self.set_mode_cb('draw', val))
        btn1.setToolTip("Choose this to draw on the canvas")
        hbox.addWidget(btn1)

        btn2 = QtGui.QRadioButton("Edit")
        btn2.setChecked(mode == 'edit')
        btn2.toggled.connect(lambda val: self.set_mode_cb('edit', val))
        btn2.setToolTip("Choose this to edit things on the canvas")
        hbox.addWidget(btn2)

        btn3 = QtGui.QRadioButton("Pick")
        btn3.setChecked(mode == 'pick')
        btn3.toggled.connect(lambda val: self.set_mode_cb('pick', val))
        btn3.setToolTip("Choose this to pick things on the canvas")
        hbox.addWidget(btn3)

        hbox.addWidget(QtGui.QLabel(''), stretch=1)
        hw = QtGui.QWidget()
        hw.setLayout(hbox)
        vbox.addWidget(hw, stretch=0)

        vw = QtGui.QWidget()
        self.setCentralWidget(vw)
        vw.setLayout(vbox)
Ejemplo n.º 27
0
 def _get_color(self, r, g, b):
     n = 255.0
     clr = QtGui.QColor(int(r * n), int(g * n), int(b * n))
     return clr
Ejemplo n.º 28
0
    def __init__(self, text=''):
        super(Label, self).__init__()

        self.widget = QtGui.QLabel(text)
Ejemplo n.º 29
0
    def __init__(self, logger):
        super(FitsViewer, self).__init__()
        self.logger = logger

        menubar = self.menuBar()

        # create a File pulldown menu, and add it to the menu bar
        filemenu = menubar.addMenu("File")

        item = QtGui.QAction("Open File", menubar)
        item.triggered.connect(self.open_file)
        filemenu.addAction(item)

        sep = QtGui.QAction(menubar)
        sep.setSeparator(True)
        filemenu.addAction(sep)

        item = QtGui.QAction("Quit", menubar)
        item.triggered.connect(self.close)
        filemenu.addAction(item)

        # Add matplotlib color maps to our built in ones
        cmap.add_matplotlib_cmaps()
        self.cmaps = cmap.get_names()
        self.imaps = imap.get_names()

        wd, ht = 500, 500

        # Create a Ginga widget
        fi = ImageViewCanvas(logger, render='widget')
        fi.enable_autocuts('on')
        fi.set_autocut_params('zscale')
        fi.enable_autozoom('on')
        fi.enable_draw(False)
        fi.set_callback('drag-drop', self.drop_file_cb)
        fi.set_callback('cursor-changed', self.cursor_cb)
        fi.set_bg(0.2, 0.2, 0.2)
        fi.ui_set_active(True)
        self.fitsimage = fi

        fi.show_color_bar(True)

        # enable various key and mouse controlled actions
        bd = fi.get_bindings()
        bd.enable_all(True)

        self.cp_tag = 'compass'

        # pack widget into layout
        gingaw = fi.get_widget()
        gingaw.resize(wd, ht)

        vbox1 = QtGui.QWidget()
        layout = QtGui.QVBoxLayout()
        layout.addWidget(gingaw, stretch=1)

        self.cm = cmap.get_cmap('gray')
        self.im = imap.get_imap('ramp')

        # color map selection widget
        wcmap = QtGui.QComboBox()
        for name in self.cmaps:
            wcmap.addItem(name)
        index = self.cmaps.index('gray')
        wcmap.setCurrentIndex(index)
        wcmap.activated.connect(self.set_cmap_cb)
        self.wcmap = wcmap

        # intensity map selection widget
        wimap = QtGui.QComboBox()
        for name in self.imaps:
            wimap.addItem(name)
        index = self.imaps.index('ramp')
        wimap.setCurrentIndex(index)
        wimap.activated.connect(self.set_cmap_cb)
        self.wimap = wimap

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

        # add buttons to layout
        hbox = QtGui.QHBoxLayout()
        hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))
        hbox.addStretch(1)
        for w in (wcmap, wimap):
            hbox.addWidget(w, stretch=0)

        hw = QtGui.QWidget()
        hw.setLayout(hbox)
        layout.addWidget(hw, stretch=0)
        vbox1.setLayout(layout)

        # Create a matplotlib Figure
        #self.fig = matplotlib.figure.Figure(figsize=(wd, ht))
        self.fig = matplotlib.figure.Figure()
        self.canvas = FigureCanvas(self.fig)

        vbox2 = QtGui.QWidget()
        layout = QtGui.QVBoxLayout()
        layout.addWidget(self.canvas, stretch=1)

        # Add matplotlib buttons
        hbox = QtGui.QHBoxLayout()
        hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))

        wgetimg = QtGui.QPushButton("Get Data")
        wgetimg.clicked.connect(self.get_image)
        wgetrgb = QtGui.QPushButton("Get RGB")
        wgetrgb.clicked.connect(self.get_rgb_image)
        #wquit = QtGui.QPushButton("Quit")
        #wquit.clicked.connect(self.close)

        hbox.addStretch(1)
        for w in (wgetimg, wgetrgb):
            hbox.addWidget(w, stretch=0)

        hw = QtGui.QWidget()
        hw.setLayout(hbox)
        layout.addWidget(hw, stretch=0)
        vbox2.setLayout(layout)

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

        w = QtGui.QWidget()
        layout = QtGui.QHBoxLayout()
        layout.addWidget(vbox1, stretch=1.0)
        layout.addWidget(vbox2, stretch=1.0)
        w.setLayout(layout)

        vbox.addWidget(w, stretch=1)

        self.readout = QtGui.QLabel("")
        vbox.addWidget(self.readout,
                       stretch=0,
                       alignment=QtCore.Qt.AlignCenter)

        vw = QtGui.QWidget()
        vw.setLayout(vbox)
        self.setCentralWidget(vw)
Ejemplo n.º 30
0
def start(kapp):
    global app_ref

    if use_null_logger:
        logger = log.NullLogger()
    else:
        logger = logging.getLogger("ipg")
        logger.setLevel(logging.INFO)
        fmt = logging.Formatter(STD_FORMAT)
        stderrHdlr = logging.StreamHandler()
        stderrHdlr.setFormatter(fmt)
        logger.addHandler(stderrHdlr)
        fileHdlr = logging.FileHandler("ipg.log")
        fileHdlr.setFormatter(fmt)
        logger.addHandler(fileHdlr)
    kapp.logger = logger

    # Get settings (preferences)
    basedir = paths.ginga_home
    if not os.path.exists(basedir):
        try:
            os.mkdir(basedir)
        except OSError as e:
            logger.warning("Couldn't create ginga settings area (%s): %s" %
                           (basedir, str(e)))
            logger.warning("Preferences will not be able to be saved")

    # Set up preferences
    prefs = Settings.Preferences(basefolder=basedir, logger=logger)
    settings = prefs.createCategory('general')
    settings.load(onError='silent')
    settings.setDefaults(useMatplotlibColormaps=False)
    bindprefs = prefs.createCategory('bindings')
    bindprefs.load(onError='silent')

    # So we can find our plugins
    sys.path.insert(0, basedir)
    moduleHome = os.path.split(sys.modules['ginga.version'].__file__)[0]
    childDir = os.path.join(moduleHome, 'misc', 'plugins')
    sys.path.insert(0, childDir)
    childDir = os.path.join(basedir, 'plugins')
    sys.path.insert(0, childDir)

    # User configuration (custom star catalogs, etc.)
    try:
        import ipg_config

        ipg_config.pre_gui_config(kapp)
    except Exception as e:
        try:
            (type, value, tb) = sys.exc_info()
            tb_str = "\n".join(traceback.format_tb(tb))

        except Exception:
            tb_str = "Traceback information unavailable."

        logger.error("Error importing Ginga config file: %s" % (str(e)))
        logger.error("Traceback:\n%s" % (tb_str))

    # create Qt app
    # Note: workaround for pyside bug where QApplication is not deleted
    app = QtGui.QApplication.instance()
    if not app:
        app = QtGui.QApplication([])
        app.connect(app, QtCore.SIGNAL('lastWindowClosed()'), app,
                    QtCore.SLOT('quit()'))

    # here is our little launcher
    w = StartMenu(logger, app, kapp, prefs)
    app_ref = w
    w.show()
    app.setActiveWindow(w)

    #app.exec_()
    # Very important, IPython-specific step: this gets GUI event loop
    # integration going, and it replaces calling app.exec_()
    kapp.start()
    return w