def __init__(self, logger, fig):
self.logger = logger
# create a ginga object and tell it about the figure
fi = FitsImageCanvas(logger)
fi.enable_autocuts('on')
fi.set_autocut_params('zscale')
fi.add_callback('key-press', self.key_press_ginga)
fi.set_figure(fig)
self.fitsimage = fi
# enable all interactive features
fi.get_bindings().enable_all(True)
canvas = DrawingCanvas()
canvas.enable_draw(True)
canvas.set_callback('button-press', self.btn_down)
#canvas.set_callback('motion', self.drag)
canvas.set_callback('button-release', self.btn_up)
canvas.set_drawtype('point', color='cyan')
canvas.set_callback('draw-event', self.draw_event)
canvas.add_callback('key-press', self.key_press)
canvas.setSurface(self.fitsimage)
canvas.ui_setActive(True)
self.canvas = canvas
def __init__(self, logger):
super(FitsViewer, self).__init__()
self.logger = logger
self.drawcolors = colors.get_colors()
fig = Figure()
w = FigureCanvas(fig)
fi = FitsImageCanvas(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)
from ginga.misc import log
from ginga.AstroImage import AstroImage
from ginga import cmap
# add matplotlib colormaps to ginga's own set
cmap.add_matplotlib_cmaps()
# Set to True to get diagnostic logging output
use_logger = False
logger = log.get_logger(null=not use_logger, log_stderr=True)
# create a regular matplotlib figure
fig = plt.figure()
# create a ginga object, initialize some defaults and
# tell it about the figure
fi = FitsImageCanvas(logger)
fi.enable_autocuts('on')
fi.set_autocut_params('zscale')
#fi.set_cmap(cmap.get_cmap('rainbow3'))
fi.set_figure(fig)
# enable all interactive ginga features
fi.get_bindings().enable_all(True)
# load an image
if len(sys.argv) < 2:
print "Please provide a FITS file on the command line"
sys.exit(1)
image = AstroImage(logger)
image.load_file(sys.argv[1])