def main(options, args):
QtGui.QApplication.setGraphicsSystem('raster')
app = QtGui.QApplication(args)
app.connect(app, QtCore.SIGNAL('lastWindowClosed()'),
app, QtCore.SLOT('quit()'))
logger = logging.getLogger("example2")
logger.setLevel(options.loglevel)
fmt = logging.Formatter(STD_FORMAT)
if options.logfile:
fileHdlr = logging.handlers.RotatingFileHandler(options.logfile)
fileHdlr.setLevel(options.loglevel)
fileHdlr.setFormatter(fmt)
logger.addHandler(fileHdlr)
if options.logstderr:
stderrHdlr = logging.StreamHandler()
stderrHdlr.setLevel(options.loglevel)
stderrHdlr.setFormatter(fmt)
logger.addHandler(stderrHdlr)
w = FitsViewer(logger)
w.resize(524, 540)
w.show()
app.setActiveWindow(w)
if len(args) > 0:
w.load_file(args[0])
app.exec_()
def sort(self, Ncol, order):
"""Sort table by given column number.
"""
def sortfn(star):
field = self.columns[Ncol][1]
return star[field]
if QtHelp.have_pyqt4:
self.emit(QtCore.SIGNAL("layoutAboutToBeChanged()"))
self.starlist = sorted(self.starlist, key=sortfn)
if order == QtCore.Qt.DescendingOrder:
self.starlist.reverse()
if QtHelp.have_pyqt4:
self.emit(QtCore.SIGNAL("layoutChanged()"))
def __init__(self, logger):
super(FitsViewer, self).__init__()
self.logger = logger
fi = FitsImageZoom(self.logger, render='widget')
fi.enable_autocuts('on')
fi.enable_zoom('on')
fi.enable_cuts(True)
fi.enable_flip(True)
fi.enable_rotate(True)
fi.set_callback('drag-drop', self.drop_file)
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)
hbox = QtGui.QHBoxLayout()
hbox.setContentsMargins(QtCore.QMargins(4, 2, 4, 2))
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, 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)
def setup_Qt(widget, viewer):
def resizeEvent(*args):
rect = widget.geometry()
x1, y1, x2, y2 = rect.getCoords()
width = x2 - x1
height = y2 - y1
if viewer is not None:
viewer.configure_window(width, height)
widget.setFocusPolicy(
QtCore.Qt.FocusPolicy(QtCore.Qt.TabFocus | QtCore.Qt.ClickFocus
| QtCore.Qt.StrongFocus | QtCore.Qt.WheelFocus))
widget.setMouseTracking(True)
widget.setAcceptDrops(True)
# Matplotlib has a bug where resize events are not reported
widget.connect(widget, QtCore.SIGNAL('resizeEvent()'), resizeEvent)
def main(options, args):
QtGui.QApplication.setGraphicsSystem('raster')
app = QtGui.QApplication(args)
app.connect(app, QtCore.SIGNAL('lastWindowClosed()'), app,
QtCore.SLOT('quit()'))
logger = log.get_logger(name="example2", options=options)
w = FitsViewer(logger)
w.resize(524, 540)
w.show()
app.setActiveWindow(w)
w.raise_()
w.activateWindow()
if len(args) > 0:
w.load_file(args[0])
app.exec_()
def setup_Qt(widget, fitsimage):
def resizeEvent(*args):
print(args)
rect = widget.geometry()
x1, y1, x2, y2 = rect.getCoords()
width = x2 - x1
height = y2 - y1
#print "RESIZE %dx%d" % (width, height)
if fitsimage != None:
fitsimage.configure(width, height)
widget.setFocusPolicy(
QtCore.Qt.FocusPolicy(QtCore.Qt.TabFocus | QtCore.Qt.ClickFocus
| QtCore.Qt.StrongFocus | QtCore.Qt.WheelFocus))
widget.setMouseTracking(True)
widget.setAcceptDrops(True)
# Matplotlib has a bug where resize events are not reported
widget.connect(widget, QtCore.SIGNAL('resizeEvent()'), resizeEvent)
def main(options, args):
app = QtGui.QApplication(sys.argv)
app.connect(app, QtCore.SIGNAL('lastWindowClosed()'), app,
QtCore.SLOT('quit()'))
logger = logging.getLogger("example1")
logger.setLevel(logging.INFO)
fmt = logging.Formatter(STD_FORMAT)
stderrHdlr = logging.StreamHandler()
stderrHdlr.setFormatter(fmt)
logger.addHandler(stderrHdlr)
w = FitsViewer(logger)
w.resize(524, 540)
w.show()
app.setActiveWindow(w)
if len(args) > 0:
w.load_file(args[0])
app.exec_()
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)
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