def make_server(logger=None,
basedir='.',
numthreads=5,
host='localhost',
port=9909,
use_opencv=False):
if logger is None:
logger = log.get_logger("ipg", null=True)
ev_quit = threading.Event()
if use_opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning("Error using opencv: %s" % str(e))
thread_pool = Task.ThreadPool(numthreads, logger, ev_quit=ev_quit)
base_url = "http://%s:%d/app" % (host, port)
app = Widgets.Application(logger=logger,
base_url=base_url,
host=host,
port=port)
factory = ViewerFactory(logger, basedir, app, thread_pool)
server = WebServer(app, thread_pool, factory, host=host, port=port)
return server
def make_server(logger=None, basedir='.', numthreads=5,
host='localhost', port=9909, use_opencv=False):
if logger is None:
logger = log.get_logger("ipg", null=True)
ev_quit = threading.Event()
if use_opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning("Error using opencv: %s" % str(e))
thread_pool = Task.ThreadPool(numthreads, logger,
ev_quit=ev_quit)
base_url = "http://%s:%d/app" % (host, port)
app = Widgets.Application(logger=logger, base_url=base_url,
host=host, port=port)
factory = ViewerFactory(logger, basedir, app, thread_pool)
server = WebServer(app, thread_pool, factory,
host=host, port=port)
return server
def main(options, args):
logger = log.get_logger("example2", options=options)
# Check whether user wants to use OpenCv
if options.opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning("failed to set OpenCv preference: %s" % (str(e)))
# Check whether user wants to use OpenCL
elif options.opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as e:
logger.warning("failed to set OpenCL preference: %s" % (str(e)))
fv = FitsViewer(logger)
root = fv.get_widget()
root.show_all()
if len(args) > 0:
fv.load_file(args[0])
Gtk.main()
def main(options, args):
#QtGui.QApplication.setGraphicsSystem('raster')
app = QtGui.QApplication(args)
logger = log.get_logger("example2", options=options)
# Check whether user wants to use OpenCv
if options.opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning("failed to set OpenCv preference: %s" % (str(e)))
# Check whether user wants to use OpenCL
elif options.opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as e:
logger.warning("failed to set OpenCL preference: %s" % (str(e)))
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 main(options, args):
#QtGui.QApplication.setGraphicsSystem('raster')
app = QtGui.QApplication(args)
logger = log.get_logger("example2", options=options)
# Check whether user wants to use OpenCv
if options.opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning("failed to set OpenCv preference: %s" % (str(e)))
# Check whether user wants to use OpenCL
elif options.opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as e:
logger.warning("failed to set OpenCL preference: %s" % (str(e)))
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 main(params):
ginga_logger = log.get_logger("ginga", options=params)
if params.use_opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as ex:
ginga_logger.warning("Error using OpenCL: {}".format(ex))
if params.use_opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as ex:
ginga_logger.warning("Error using OpenCL: {}".format(ex))
app = Widgets.Application(logger=ginga_logger,
host=params.host,
port=params.port)
# create top level window
window = app.make_window("Validate", wid='Validate')
# our own viewer object, customized with methods (see above)
ValidateGui(logging.getLogger('daomop'), window)
try:
app.start()
except KeyboardInterrupt:
ginga_logger.info("Terminating viewer...")
window.close()
def main(options, args):
logger = log.get_logger("example2", options=options)
# Check whether user wants to use OpenCv
if options.opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning("failed to set OpenCv preference: %s" % (str(e)))
# Check whether user wants to use OpenCL
elif options.opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as e:
logger.warning("failed to set OpenCL preference: %s" % (str(e)))
fv = FitsViewer(logger)
root = fv.get_widget()
root.show_all()
if len(args) > 0:
fv.load_file(args[0])
gtk.main()
def main(options, args):
logger = log.get_logger("example2", options=options)
if options.use_opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning("Error using OpenCv: %s" % str(e))
if options.use_opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as e:
logger.warning("Error using OpenCL: %s" % str(e))
base_url = "http://%s:%d/app" % (options.host, options.port)
# establish our widget application
app = Widgets.Application(logger=logger,
host=options.host,
port=options.port)
# create top level window
window = app.make_window("Ginga web example2")
# our own viewer object, customized with methods (see above)
viewer = FitsViewer(logger, window)
#server.add_callback('shutdown', viewer.quit)
#window.resize(700, 540)
if len(args) > 0:
viewer.load_file(args[0])
#window.show()
#window.raise_()
try:
app.start()
except KeyboardInterrupt:
logger.info("Terminating viewer...")
window.close()
def main(options, args):
logger = log.get_logger("example2", options=options)
if options.toolkit is None:
logger.error("Please choose a GUI toolkit with -t option")
# decide our toolkit, then import
ginga_toolkit.use(options.toolkit)
if options.use_opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning("Error using OpenCv: %s" % str(e))
if options.use_opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as e:
logger.warning("Error using OpenCL: %s" % str(e))
viewer = FitsViewer(logger)
if options.renderer is not None:
render_class = render.get_render_class(options.renderer)
viewer.fitsimage.set_renderer(render_class(viewer.fitsimage))
viewer.top.resize(700, 540)
if len(args) > 0:
viewer.load_file(args[0])
viewer.top.show()
viewer.top.raise_()
try:
app = viewer.top.get_app()
app.mainloop()
except KeyboardInterrupt:
print("Terminating viewer...")
if viewer.top is not None:
viewer.top.close()
def main(options, args):
logger = log.get_logger("example2", options=options)
if options.toolkit is None:
logger.error("Please choose a GUI toolkit with -t option")
# decide our toolkit, then import
ginga_toolkit.use(options.toolkit)
if options.use_opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning("Error using OpenCv: %s" % str(e))
if options.use_opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as e:
logger.warning("Error using OpenCL: %s" % str(e))
viewer = FitsViewer(logger)
if options.renderer is not None:
render_class = render.get_render_class(options.renderer)
viewer.fitsimage.set_renderer(render_class(viewer.fitsimage))
viewer.top.resize(700, 540)
if len(args) > 0:
viewer.load_file(args[0])
viewer.top.show()
viewer.top.raise_()
try:
app = viewer.top.get_app()
app.mainloop()
except KeyboardInterrupt:
print("Terminating viewer...")
if viewer.top is not None:
viewer.top.close()
def main(options, args):
logger = log.get_logger("example2", options=options)
if options.use_opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning("Error using OpenCv: %s" % str(e))
if options.use_opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as e:
logger.warning("Error using OpenCL: %s" % str(e))
#base_url = "http://%s:%d/app" % (options.host, options.port)
# establish our widget application
app = Widgets.Application(logger=logger,
host=options.host, port=options.port)
# create top level window
window = app.make_window("Ginga web example2")
# our own viewer object, customized with methods (see above)
viewer = FitsViewer(logger, window)
#server.add_callback('shutdown', viewer.quit)
window.resize(700, 540)
if len(args) > 0:
viewer.load_file(args[0])
#window.show()
#window.raise_()
try:
app.start()
except KeyboardInterrupt:
logger.info("Terminating viewer...")
window.close()
def main(params):
ginga_logger = log.get_logger("ginga", options=params)
ginga_logger.addHandler(
logging.FileHandler(filename=tempfile.NamedTemporaryFile(
prefix='ginga', delete=False).name))
if params.use_opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as ex:
ginga_logger.warning("Error using OpenCL: {}".format(ex))
if params.use_opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as ex:
ginga_logger.warning("Error using OpenCL: {}".format(ex))
app = Widgets.Application(logger=ginga_logger,
host=params.host,
port=params.port)
# create top level window
window = app.make_window("Validate", wid='Validate')
daomop_logger = logging.getLogger('daomop')
if hasattr(params, 'loglevel'):
daomop_logger.setLevel(params.loglevel)
# our own viewer object, customized with methods (see above)
ValidateGui(daomop_logger, window)
try:
app.start()
except KeyboardInterrupt:
ginga_logger.info("Terminating viewer...")
window.close()
def __init__(self, logger=None, width=500, height=500, use_opencv=True):
super().__init__()
# TODO: Is this the best place for this?
if use_opencv:
try:
from ginga import trcalc
trcalc.use('opencv')
except ImportError as exc:
warnings.warn('install opencv or set use_opencv=False')
self._viewer = EnhancedCanvasView(logger=logger)
self._is_marking = False
self._click_center = False
self._jup_img = ipyw.Image(format='jpeg', width=width, height=height)
self._viewer.set_widget(self._jup_img)
# enable all possible keyboard and pointer operations
self._viewer.get_bindings().enable_all(True)
# enable draw
self.dc = drawCatalog
self.canvas = self.dc.DrawingCanvas()
self.canvas.enable_draw(True)
self.canvas.enable_edit(True)
# Marker
self.marker = {'type': 'circle', 'color': 'cyan', 'radius': 20}
self._marktag = 'marktag'
# coordinates display
self._jup_coord = ipyw.HTML('Coordinates show up here')
# This needs ipyevents 0.3.1 to work
self._viewer.add_callback('cursor-changed', self._mouse_move_cb)
self._viewer.add_callback('cursor-down', self._mouse_click_cb)
# Define a callback that shows the output of a print
self.print_out = ipyw.Output()
self._cursor = 'bottom'
self.children = [self._jup_img, self._jup_coord]
def main(self, options, args):
"""
Main routine for running the reference viewer.
`options` is a OptionParser object that has been populated with
values from parsing the command line. It should at least include
the options from add_default_options()
`args` is a list of arguments to the viewer after parsing out
options. It should contain a list of files or URLs to load.
"""
# Create a logger
logger = log.get_logger(name='ginga', options=options)
# 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.create_category('general')
settings.set_defaults(useMatplotlibColormaps=False,
widgetSet='choose',
WCSpkg='choose',
FITSpkg='choose',
recursion_limit=2000,
icc_working_profile=None,
font_scaling_factor=None,
save_layout=True,
channel_prefix="Image")
settings.load(onError='silent')
# default of 1000 is a little too small
sys.setrecursionlimit(settings.get('recursion_limit'))
# So we can find our plugins
sys.path.insert(0, basedir)
package_home = os.path.split(sys.modules['ginga.version'].__file__)[0]
child_dir = os.path.join(package_home, 'rv', 'plugins')
sys.path.insert(0, child_dir)
plugin_dir = os.path.join(basedir, 'plugins')
sys.path.insert(0, plugin_dir)
gc = os.path.join(basedir, "ginga_config.py")
have_ginga_config = os.path.exists(gc)
# User configuration, earliest possible intervention
if have_ginga_config:
try:
import ginga_config
if hasattr(ginga_config, 'init_config'):
ginga_config.init_config(self)
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 processing Ginga config file: %s" %
(str(e)))
logger.error("Traceback:\n%s" % (tb_str))
# Choose a toolkit
if options.toolkit:
toolkit = options.toolkit
else:
toolkit = settings.get('widgetSet', 'choose')
if toolkit == 'choose':
try:
ginga_toolkit.choose()
except ImportError as e:
print("UI toolkit choose error: %s" % str(e))
sys.exit(1)
else:
ginga_toolkit.use(toolkit)
tkname = ginga_toolkit.get_family()
logger.info("Chosen toolkit (%s) family is '%s'" %
(ginga_toolkit.toolkit, tkname))
# these imports have to be here, otherwise they force the choice
# of toolkit too early
from ginga.rv.Control import GingaShell, GuiLogHandler
if settings.get('useMatplotlibColormaps', False):
# Add matplotlib color maps if matplotlib is installed
try:
from ginga import cmap
cmap.add_matplotlib_cmaps(fail_on_import_error=False)
except Exception as e:
logger.warning("failed to load matplotlib colormaps: %s" %
(str(e)))
# Set a working RGB ICC profile if user has one
working_profile = settings.get('icc_working_profile', None)
rgb_cms.working_profile = working_profile
# User wants to customize the WCS package?
if options.wcspkg:
wcspkg = options.wcspkg
else:
wcspkg = settings.get('WCSpkg', 'choose')
try:
from ginga.util import wcsmod
if wcspkg != 'choose':
assert wcsmod.use(wcspkg) is True
except Exception as e:
logger.warning("failed to set WCS package preference: %s" %
(str(e)))
# User wants to customize the FITS package?
if options.fitspkg:
fitspkg = options.fitspkg
else:
fitspkg = settings.get('FITSpkg', 'choose')
try:
from ginga.util import io_fits, loader
if fitspkg != 'choose':
assert io_fits.use(fitspkg) is True
# opener name is not necessarily the same
opener = loader.get_opener(io_fits.fitsLoaderClass.name)
# set this opener as the priority one
opener.priority = -99
except Exception as e:
logger.warning("failed to set FITS package preference: %s" %
(str(e)))
# Check whether user wants to use OpenCv
use_opencv = settings.get('use_opencv', False)
if use_opencv or options.opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning("failed to set OpenCv preference: %s" %
(str(e)))
# Check whether user wants to use OpenCL
use_opencl = settings.get('use_opencl', False)
if use_opencl or options.opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as e:
logger.warning("failed to set OpenCL preference: %s" %
(str(e)))
# Create the dynamic module manager
mm = ModuleManager.ModuleManager(logger)
# Create and start thread pool
ev_quit = threading.Event()
thread_pool = Task.ThreadPool(options.numthreads,
logger,
ev_quit=ev_quit)
thread_pool.startall()
# Create the Ginga main object
ginga_shell = GingaShell(logger,
thread_pool,
mm,
prefs,
ev_quit=ev_quit)
# user wants to set font scaling.
# NOTE: this happens *after* creation of shell object, since
# Application object constructor will also set this
font_scaling = settings.get('font_scaling_factor', None)
if font_scaling is not None:
logger.debug(
"overriding font_scaling_factor to {}".format(font_scaling))
from ginga.fonts import font_asst
font_asst.default_scaling_factor = font_scaling
layout_file = None
if not options.norestore and settings.get('save_layout', False):
layout_file = os.path.join(basedir, 'layout')
ginga_shell.set_layout(self.layout, layout_file=layout_file)
# User configuration (custom star catalogs, etc.)
if have_ginga_config:
try:
if hasattr(ginga_config, 'pre_gui_config'):
ginga_config.pre_gui_config(ginga_shell)
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))
# Build desired layout
ginga_shell.build_toplevel()
# Did user specify a particular geometry?
if options.geometry:
ginga_shell.set_geometry(options.geometry)
# make the list of disabled plugins
if options.disable_plugins is not None:
disabled_plugins = options.disable_plugins.lower().split(',')
else:
disabled_plugins = settings.get('disable_plugins', [])
if not isinstance(disabled_plugins, list):
disabled_plugins = disabled_plugins.lower().split(',')
# Add GUI log handler (for "Log" global plugin)
guiHdlr = GuiLogHandler(ginga_shell)
guiHdlr.setLevel(options.loglevel)
fmt = logging.Formatter(log.LOG_FORMAT)
guiHdlr.setFormatter(fmt)
logger.addHandler(guiHdlr)
# Load any custom modules
if options.modules is not None:
modules = options.modules.split(',')
else:
modules = settings.get('global_plugins', [])
if not isinstance(modules, list):
modules = modules.split(',')
for long_plugin_name in modules:
if '.' in long_plugin_name:
tmpstr = long_plugin_name.split('.')
plugin_name = tmpstr[-1]
pfx = '.'.join(tmpstr[:-1])
else:
plugin_name = long_plugin_name
pfx = None
menu_name = "%s [G]" % (plugin_name)
spec = Bunch(name=plugin_name,
module=plugin_name,
ptype='global',
tab=plugin_name,
menu=menu_name,
category="Custom",
workspace='right',
pfx=pfx)
self.add_plugin_spec(spec)
# Load any custom local plugins
if options.plugins is not None:
plugins = options.plugins.split(',')
else:
plugins = settings.get('local_plugins', [])
if not isinstance(plugins, list):
plugins = plugins.split(',')
for long_plugin_name in plugins:
if '.' in long_plugin_name:
tmpstr = long_plugin_name.split('.')
plugin_name = tmpstr[-1]
pfx = '.'.join(tmpstr[:-1])
else:
plugin_name = long_plugin_name
pfx = None
spec = Bunch(module=plugin_name,
workspace='dialogs',
ptype='local',
category="Custom",
hidden=False,
pfx=pfx)
self.add_plugin_spec(spec)
# Add non-disabled plugins
enabled_plugins = [
spec for spec in self.plugins
if spec.module.lower() not in disabled_plugins
]
ginga_shell.set_plugins(enabled_plugins)
# start any plugins that have start=True
ginga_shell.boot_plugins()
ginga_shell.update_pending()
# TEMP?
tab_names = [
name.lower() for name in ginga_shell.ds.get_tabnames(group=None)
]
if 'info' in tab_names:
ginga_shell.ds.raise_tab('Info')
if 'synopsis' in tab_names:
ginga_shell.ds.raise_tab('Synopsis')
if 'thumbs' in tab_names:
ginga_shell.ds.raise_tab('Thumbs')
# Add custom channels
if options.channels is not None:
channels = options.channels.split(',')
else:
channels = settings.get('channels', self.channels)
if not isinstance(channels, list):
channels = channels.split(',')
if len(channels) == 0:
# should provide at least one default channel?
channels = [settings.get('channel_prefix', "Image")]
# populate the initial channel lineup
for item in channels:
if isinstance(item, str):
chname, wsname = item, None
else:
chname, wsname = item
ginga_shell.add_channel(chname, workspace=wsname)
ginga_shell.change_channel(chname)
# User configuration (custom star catalogs, etc.)
if have_ginga_config:
try:
if hasattr(ginga_config, 'post_gui_config'):
ginga_config.post_gui_config(ginga_shell)
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 processing Ginga config file: %s" %
(str(e)))
logger.error("Traceback:\n%s" % (tb_str))
# Redirect warnings to logger
for hdlr in logger.handlers:
logging.getLogger('py.warnings').addHandler(hdlr)
# Display banner the first time run, unless suppressed
show_banner = True
try:
show_banner = settings.get('showBanner')
except KeyError:
# disable for subsequent runs
settings.set(showBanner=False)
if not os.path.exists(settings.preffile):
settings.save()
if (not options.nosplash) and (len(args) == 0) and show_banner:
ginga_shell.banner(raiseTab=True)
# Handle inputs like "*.fits[ext]" that sys cmd cannot auto expand.
expanded_args = []
for imgfile in args:
if '*' in imgfile:
if '[' in imgfile and imgfile.endswith(']'):
s = imgfile.split('[')
ext = '[' + s[1]
imgfile = s[0]
else:
ext = ''
for fname in glob.iglob(imgfile):
expanded_args.append(fname + ext)
else:
expanded_args.append(imgfile)
# Assume remaining arguments are fits files and load them.
if not options.separate_channels:
chname = channels[0]
ginga_shell.gui_do(ginga_shell.open_uris,
expanded_args,
chname=chname)
else:
i = 0
num_channels = len(channels)
for imgfile in expanded_args:
if i < num_channels:
chname = channels[i]
i = i + 1
else:
channel = ginga_shell.add_channel_auto()
chname = channel.name
ginga_shell.gui_do(ginga_shell.open_uris, [imgfile],
chname=chname)
try:
try:
# if there is a network component, start it
if hasattr(ginga_shell, 'start'):
logger.info("starting network interface...")
task = Task.FuncTask2(ginga_shell.start)
thread_pool.addTask(task)
# Main loop to handle GUI events
logger.info("entering mainloop...")
ginga_shell.mainloop(timeout=0.001)
except KeyboardInterrupt:
logger.error("Received keyboard interrupt!")
finally:
logger.info("Shutting down...")
ev_quit.set()
sys.exit(0)
def main(self, options, args):
"""
Main routine for running the reference viewer.
`options` is a OptionParser object that has been populated with
values from parsing the command line. It should at least include
the options from add_default_options()
`args` is a list of arguments to the viewer after parsing out
options. It should contain a list of files or URLs to load.
"""
# Create a logger
logger = log.get_logger(name='ginga', options=options)
# Get settings (preferences)
basedir = paths.ginga_home
if not os.path.exists(basedir):
try:
os.mkdir(basedir)
except OSError as e:
logger.warn("Couldn't create ginga settings area (%s): %s" %
(basedir, str(e)))
logger.warn("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,
widgetSet='choose',
WCSpkg='choose',
FITSpkg='choose',
recursion_limit=2000)
# default of 1000 is a little too small
sys.setrecursionlimit(settings.get('recursion_limit'))
# 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)
pluginDir = os.path.join(basedir, 'plugins')
sys.path.insert(0, pluginDir)
# Choose a toolkit
if options.toolkit:
toolkit = options.toolkit
else:
toolkit = settings.get('widgetSet', 'choose')
if toolkit == 'choose':
try:
from ginga.qtw import QtHelp
except ImportError:
try:
from ginga.gtkw import GtkHelp
except ImportError:
print("You need python-gtk or python-qt to run Ginga!")
sys.exit(1)
else:
ginga_toolkit.use(toolkit)
tkname = ginga_toolkit.get_family()
logger.info("Chosen toolkit (%s) family is '%s'" %
(ginga_toolkit.toolkit, tkname))
# these imports have to be here, otherwise they force the choice
# of toolkit too early
from ginga.gw.GingaGw import GingaView
from ginga.Control import GingaControl, GuiLogHandler
# Define class dynamically based on toolkit choice
class GingaShell(GingaControl, GingaView):
def __init__(self,
logger,
thread_pool,
module_manager,
prefs,
ev_quit=None):
GingaView.__init__(self, logger, ev_quit, thread_pool)
GingaControl.__init__(self,
logger,
thread_pool,
module_manager,
prefs,
ev_quit=ev_quit)
if settings.get('useMatplotlibColormaps', False):
# Add matplotlib color maps if matplotlib is installed
try:
from ginga import cmap
cmap.add_matplotlib_cmaps()
except Exception as e:
logger.warn("failed to load matplotlib colormaps: %s" %
(str(e)))
# User wants to customize the WCS package?
if options.wcspkg:
wcspkg = options.wcspkg
else:
wcspkg = settings.get('WCSpkg', 'choose')
try:
from ginga.util import wcsmod
assert wcsmod.use(wcspkg) == True
except Exception as e:
logger.warn("failed to set WCS package preference: %s" % (str(e)))
# User wants to customize the FITS package?
if options.fitspkg:
fitspkg = options.fitspkg
else:
fitspkg = settings.get('FITSpkg', 'choose')
try:
from ginga.util import io_fits
assert io_fits.use(fitspkg) == True
except Exception as e:
logger.warn("failed to set FITS package preference: %s" % (str(e)))
# Check whether user wants to use OpenCv
use_opencv = settings.get('use_opencv', False)
if use_opencv or options.opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warn("failed to set OpenCv preference: %s" % (str(e)))
# Create the dynamic module manager
mm = ModuleManager.ModuleManager(logger)
# Create and start thread pool
ev_quit = threading.Event()
thread_pool = Task.ThreadPool(options.numthreads,
logger,
ev_quit=ev_quit)
thread_pool.startall()
# Create the Ginga main object
ginga_shell = GingaShell(logger,
thread_pool,
mm,
prefs,
ev_quit=ev_quit)
ginga_shell.set_layout(self.layout)
gc = os.path.join(basedir, "ginga_config.py")
have_ginga_config = os.path.exists(gc)
# User configuration (custom star catalogs, etc.)
if have_ginga_config:
try:
import ginga_config
ginga_config.pre_gui_config(ginga_shell)
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))
# Build desired layout
ginga_shell.build_toplevel()
# Did user specify a particular geometry?
if options.geometry:
ginga_shell.set_geometry(options.geometry)
# make the list of disabled plugins
disabled_plugins = []
if not (options.disable_plugins is None):
disabled_plugins = options.disable_plugins.lower().split(',')
# Add desired global plugins
for spec in self.global_plugins:
if not spec.module.lower() in disabled_plugins:
ginga_shell.add_global_plugin(spec)
# Add GUI log handler (for "Log" global plugin)
guiHdlr = GuiLogHandler(ginga_shell)
guiHdlr.setLevel(options.loglevel)
fmt = logging.Formatter(log.LOG_FORMAT)
guiHdlr.setFormatter(fmt)
logger.addHandler(guiHdlr)
# Load any custom modules
if options.modules:
modules = options.modules.split(',')
for longPluginName in modules:
if '.' in longPluginName:
tmpstr = longPluginName.split('.')
pluginName = tmpstr[-1]
pfx = '.'.join(tmpstr[:-1])
else:
pluginName = longPluginName
pfx = None
spec = Bunch(name=pluginName,
module=pluginName,
tab=pluginName,
ws='right',
pfx=pfx)
ginga_shell.add_global_plugin(spec)
# Load modules for "local" (per-channel) plug ins
for spec in self.local_plugins:
if not spec.module.lower() in disabled_plugins:
ginga_shell.add_local_plugin(spec)
# Load any custom plugins
if options.plugins:
plugins = options.plugins.split(',')
for longPluginName in plugins:
if '.' in longPluginName:
tmpstr = longPluginName.split('.')
pluginName = tmpstr[-1]
pfx = '.'.join(tmpstr[:-1])
else:
pluginName = longPluginName
pfx = None
spec = Bunch(module=pluginName,
ws='dialogs',
hidden=False,
pfx=pfx)
ginga_shell.add_local_plugin(spec)
ginga_shell.update_pending()
# TEMP?
tab_names = list(
map(lambda name: name.lower(),
ginga_shell.ds.get_tabnames(group=None)))
if 'info' in tab_names:
ginga_shell.ds.raise_tab('Info')
if 'thumbs' in tab_names:
ginga_shell.ds.raise_tab('Thumbs')
# Add custom channels
channels = options.channels.split(',')
for chname in channels:
ginga_shell.add_channel(chname)
ginga_shell.change_channel(channels[0])
# User configuration (custom star catalogs, etc.)
if have_ginga_config:
try:
ginga_config.post_gui_config(ginga_shell)
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 processing Ginga config file: %s" %
(str(e)))
logger.error("Traceback:\n%s" % (tb_str))
# Redirect warnings to logger
for hdlr in logger.handlers:
logging.getLogger('py.warnings').addHandler(hdlr)
# Display banner the first time run, unless suppressed
showBanner = True
try:
showBanner = settings.get('showBanner')
except KeyError:
# disable for subsequent runs
settings.set(showBanner=False)
settings.save()
if (not options.nosplash) and (len(args) == 0) and showBanner:
ginga_shell.banner(raiseTab=True)
# Assume remaining arguments are fits files and load them.
for imgfile in args:
ginga_shell.nongui_do(ginga_shell.load_file, imgfile)
try:
try:
# if there is a network component, start it
if hasattr(ginga_shell, 'start'):
task = Task.FuncTask2(ginga_shell.start)
thread_pool.addTask(task)
# Main loop to handle GUI events
logger.info("Entering mainloop...")
ginga_shell.mainloop(timeout=0.001)
except KeyboardInterrupt:
logger.error("Received keyboard interrupt!")
finally:
logger.info("Shutting down...")
ev_quit.set()
sys.exit(0)
def main(self, options, args):
"""
Main routine for running the reference viewer.
`options` is a OptionParser object that has been populated with
values from parsing the command line. It should at least include
the options from add_default_options()
`args` is a list of arguments to the viewer after parsing out
options. It should contain a list of files or URLs to load.
"""
# Create a logger
logger = log.get_logger(name='ginga', options=options)
# 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.create_category('general')
settings.set_defaults(useMatplotlibColormaps=False,
widgetSet='choose',
WCSpkg='choose', FITSpkg='choose',
recursion_limit=2000,
icc_working_profile=None,
font_scaling_factor=None,
save_layout=True,
channel_prefix="Image")
settings.load(onError='silent')
# default of 1000 is a little too small
sys.setrecursionlimit(settings.get('recursion_limit'))
# So we can find our plugins
sys.path.insert(0, basedir)
package_home = os.path.split(sys.modules['ginga.version'].__file__)[0]
child_dir = os.path.join(package_home, 'rv', 'plugins')
sys.path.insert(0, child_dir)
plugin_dir = os.path.join(basedir, 'plugins')
sys.path.insert(0, plugin_dir)
gc = os.path.join(basedir, "ginga_config.py")
have_ginga_config = os.path.exists(gc)
# User configuration, earliest possible intervention
if have_ginga_config:
try:
import ginga_config
if hasattr(ginga_config, 'init_config'):
ginga_config.init_config(self)
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 processing Ginga config file: %s" % (
str(e)))
logger.error("Traceback:\n%s" % (tb_str))
# Choose a toolkit
if options.toolkit:
toolkit = options.toolkit
else:
toolkit = settings.get('widgetSet', 'choose')
if toolkit == 'choose':
try:
ginga_toolkit.choose()
except ImportError as e:
print("UI toolkit choose error: %s" % str(e))
sys.exit(1)
else:
ginga_toolkit.use(toolkit)
tkname = ginga_toolkit.get_family()
logger.info("Chosen toolkit (%s) family is '%s'" % (
ginga_toolkit.toolkit, tkname))
# these imports have to be here, otherwise they force the choice
# of toolkit too early
from ginga.rv.Control import GingaShell, GuiLogHandler
if settings.get('useMatplotlibColormaps', False):
# Add matplotlib color maps if matplotlib is installed
try:
from ginga import cmap
cmap.add_matplotlib_cmaps(fail_on_import_error=False)
except Exception as e:
logger.warning(
"failed to load matplotlib colormaps: %s" % (str(e)))
# user wants to set font scaling
font_scaling = settings.get('font_scaling_factor', None)
if font_scaling is not None:
from ginga.fonts import font_asst
font_asst.default_scaling_factor = font_scaling
# Set a working RGB ICC profile if user has one
working_profile = settings.get('icc_working_profile', None)
rgb_cms.working_profile = working_profile
# User wants to customize the WCS package?
if options.wcspkg:
wcspkg = options.wcspkg
else:
wcspkg = settings.get('WCSpkg', 'choose')
try:
from ginga.util import wcsmod
if wcspkg != 'choose':
assert wcsmod.use(wcspkg) is True
except Exception as e:
logger.warning(
"failed to set WCS package preference: %s" % (str(e)))
# User wants to customize the FITS package?
if options.fitspkg:
fitspkg = options.fitspkg
else:
fitspkg = settings.get('FITSpkg', 'choose')
try:
from ginga.util import io_fits
if fitspkg != 'choose':
assert io_fits.use(fitspkg) is True
except Exception as e:
logger.warning(
"failed to set FITS package preference: %s" % (str(e)))
# Check whether user wants to use OpenCv
use_opencv = settings.get('use_opencv', False)
if use_opencv or options.opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warning(
"failed to set OpenCv preference: %s" % (str(e)))
# Check whether user wants to use OpenCL
use_opencl = settings.get('use_opencl', False)
if use_opencl or options.opencl:
from ginga import trcalc
try:
trcalc.use('opencl')
except Exception as e:
logger.warning(
"failed to set OpenCL preference: %s" % (str(e)))
# Create the dynamic module manager
mm = ModuleManager.ModuleManager(logger)
# Create and start thread pool
ev_quit = threading.Event()
thread_pool = Task.ThreadPool(options.numthreads, logger,
ev_quit=ev_quit)
thread_pool.startall()
# Create the Ginga main object
ginga_shell = GingaShell(logger, thread_pool, mm, prefs,
ev_quit=ev_quit)
layout_file = None
if not options.norestore and settings.get('save_layout', False):
layout_file = os.path.join(basedir, 'layout')
ginga_shell.set_layout(self.layout, layout_file=layout_file)
# User configuration (custom star catalogs, etc.)
if have_ginga_config:
try:
if hasattr(ginga_config, 'pre_gui_config'):
ginga_config.pre_gui_config(ginga_shell)
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))
# Build desired layout
ginga_shell.build_toplevel()
# Did user specify a particular geometry?
if options.geometry:
ginga_shell.set_geometry(options.geometry)
# make the list of disabled plugins
if options.disable_plugins is not None:
disabled_plugins = options.disable_plugins.lower().split(',')
else:
disabled_plugins = settings.get('disable_plugins', [])
if not isinstance(disabled_plugins, list):
disabled_plugins = disabled_plugins.lower().split(',')
# Add GUI log handler (for "Log" global plugin)
guiHdlr = GuiLogHandler(ginga_shell)
guiHdlr.setLevel(options.loglevel)
fmt = logging.Formatter(log.LOG_FORMAT)
guiHdlr.setFormatter(fmt)
logger.addHandler(guiHdlr)
# Load any custom modules
if options.modules is not None:
modules = options.modules.split(',')
else:
modules = settings.get('global_plugins', [])
if not isinstance(modules, list):
modules = modules.split(',')
for long_plugin_name in modules:
if '.' in long_plugin_name:
tmpstr = long_plugin_name.split('.')
plugin_name = tmpstr[-1]
pfx = '.'.join(tmpstr[:-1])
else:
plugin_name = long_plugin_name
pfx = None
menu_name = "%s [G]" % (plugin_name)
spec = Bunch(name=plugin_name, module=plugin_name,
ptype='global', tab=plugin_name,
menu=menu_name, category="Custom",
workspace='right', pfx=pfx)
self.add_plugin_spec(spec)
# Load any custom local plugins
if options.plugins is not None:
plugins = options.plugins.split(',')
else:
plugins = settings.get('local_plugins', [])
if not isinstance(plugins, list):
plugins = plugins.split(',')
for long_plugin_name in plugins:
if '.' in long_plugin_name:
tmpstr = long_plugin_name.split('.')
plugin_name = tmpstr[-1]
pfx = '.'.join(tmpstr[:-1])
else:
plugin_name = long_plugin_name
pfx = None
spec = Bunch(module=plugin_name, workspace='dialogs',
ptype='local', category="Custom",
hidden=False, pfx=pfx)
self.add_plugin_spec(spec)
# Add non-disabled plugins
enabled_plugins = [spec for spec in self.plugins
if spec.module.lower() not in disabled_plugins]
ginga_shell.set_plugins(enabled_plugins)
# start any plugins that have start=True
ginga_shell.boot_plugins()
ginga_shell.update_pending()
# TEMP?
tab_names = [name.lower()
for name in ginga_shell.ds.get_tabnames(group=None)]
if 'info' in tab_names:
ginga_shell.ds.raise_tab('Info')
if 'synopsis' in tab_names:
ginga_shell.ds.raise_tab('Synopsis')
if 'thumbs' in tab_names:
ginga_shell.ds.raise_tab('Thumbs')
# Add custom channels
if options.channels is not None:
channels = options.channels.split(',')
else:
channels = settings.get('channels', [])
if not isinstance(channels, list):
channels = channels.split(',')
if len(channels) == 0:
# should provide at least one default channel?
channels = [settings.get('channel_prefix', "Image")]
for chname in channels:
ginga_shell.add_channel(chname)
ginga_shell.change_channel(channels[0])
# User configuration (custom star catalogs, etc.)
if have_ginga_config:
try:
if hasattr(ginga_config, 'post_gui_config'):
ginga_config.post_gui_config(ginga_shell)
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 processing Ginga config file: %s" % (
str(e)))
logger.error("Traceback:\n%s" % (tb_str))
# Redirect warnings to logger
for hdlr in logger.handlers:
logging.getLogger('py.warnings').addHandler(hdlr)
# Display banner the first time run, unless suppressed
showBanner = True
try:
showBanner = settings.get('showBanner')
except KeyError:
# disable for subsequent runs
settings.set(showBanner=False)
if not os.path.exists(settings.preffile):
settings.save()
if (not options.nosplash) and (len(args) == 0) and showBanner:
ginga_shell.banner(raiseTab=True)
# Handle inputs like "*.fits[ext]" that sys cmd cannot auto expand.
expanded_args = []
for imgfile in args:
if '*' in imgfile:
if '[' in imgfile and imgfile.endswith(']'):
s = imgfile.split('[')
ext = '[' + s[1]
imgfile = s[0]
else:
ext = ''
for fname in glob.iglob(imgfile):
expanded_args.append(fname + ext)
else:
expanded_args.append(imgfile)
# Assume remaining arguments are fits files and load them.
if not options.separate_channels:
chname = channels[0]
ginga_shell.gui_do(ginga_shell.open_uris, expanded_args,
chname=chname)
else:
i = 0
num_channels = len(channels)
for imgfile in expanded_args:
if i < num_channels:
chname = channels[i]
i = i + 1
else:
channel = ginga_shell.add_channel_auto()
chname = channel.name
ginga_shell.gui_do(ginga_shell.open_uris, [imgfile],
chname=chname)
try:
try:
# if there is a network component, start it
if hasattr(ginga_shell, 'start'):
task = Task.FuncTask2(ginga_shell.start)
thread_pool.addTask(task)
# Main loop to handle GUI events
logger.info("Entering mainloop...")
ginga_shell.mainloop(timeout=0.001)
except KeyboardInterrupt:
logger.error("Received keyboard interrupt!")
finally:
logger.info("Shutting down...")
ev_quit.set()
sys.exit(0)
#!/usr/bin/env python
#
# ginga -- astronomical image viewer and toolkit
#
"""
Usage:
ginga --help
ginga [options] [fitsfile] ...
"""
import sys
from ginga import main, trcalc
try:
trcalc.use('opencv')
except ImportError:
pass
if __name__ == "__main__":
main.reference_viewer(sys.argv)
def main(self, options, args):
"""
Main routine for running the reference viewer.
`options` is a OptionParser object that has been populated with
values from parsing the command line. It should at least include
the options from add_default_options()
`args` is a list of arguments to the viewer after parsing out
options. It should contain a list of files or URLs to load.
"""
# Create a logger
logger = log.get_logger(name='ginga', options=options)
# Get settings (preferences)
basedir = paths.ginga_home
if not os.path.exists(basedir):
try:
os.mkdir(basedir)
except OSError as e:
logger.warn("Couldn't create ginga settings area (%s): %s" % (
basedir, str(e)))
logger.warn("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,
widgetSet='choose',
WCSpkg='choose', FITSpkg='choose',
recursion_limit=2000)
# default of 1000 is a little too small
sys.setrecursionlimit(settings.get('recursion_limit'))
# 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)
pluginDir = os.path.join(basedir, 'plugins')
sys.path.insert(0, pluginDir)
# Choose a toolkit
if options.toolkit:
toolkit = options.toolkit
else:
toolkit = settings.get('widgetSet', 'choose')
ginga_toolkit.use(toolkit)
tkname = ginga_toolkit.get_family()
logger.info("Chosen toolkit (%s) family is '%s'" % (
ginga_toolkit.toolkit, tkname))
##from ginga.gw.GingaGw import GingaView
if tkname == 'gtk':
from ginga.gtkw.GingaGtk import GingaView
elif tkname == 'qt':
from ginga.qtw.GingaQt import GingaView
else:
try:
from ginga.qtw.GingaQt import GingaView
except ImportError:
try:
from ginga.gtkw.GingaGtk import GingaView
except ImportError:
print("You need python-gtk or python-qt4 to run Ginga!")
sys.exit(1)
# these imports have to be here, otherwise they force the choice
# of toolkit too early
from ginga.Control import GingaControl, GuiLogHandler
# Define class dynamically based on toolkit choice
class Ginga(GingaControl, GingaView):
def __init__(self, logger, thread_pool, module_manager, prefs,
ev_quit=None):
GingaView.__init__(self, logger, ev_quit)
GingaControl.__init__(self, logger, thread_pool, module_manager,
prefs, ev_quit=ev_quit)
if settings.get('useMatplotlibColormaps', False):
# Add matplotlib color maps if matplotlib is installed
try:
from ginga import cmap
cmap.add_matplotlib_cmaps()
except Exception as e:
logger.warn("failed to load matplotlib colormaps: %s" % (str(e)))
# User wants to customize the WCS package?
if options.wcspkg:
wcspkg = options.wcspkg
else:
wcspkg = settings.get('WCSpkg', 'choose')
try:
from ginga.util import wcsmod
assert wcsmod.use(wcspkg) == True
except Exception as e:
logger.warn("failed to set WCS package preference: %s" % (str(e)))
# User wants to customize the FITS package?
if options.fitspkg:
fitspkg = options.fitspkg
else:
fitspkg = settings.get('FITSpkg', 'choose')
try:
from ginga.util import io_fits
assert io_fits.use(fitspkg) == True
except Exception as e:
logger.warn("failed to set FITS package preference: %s" % (str(e)))
# Check whether user wants to use OpenCv
use_opencv = settings.get('use_opencv', False)
if use_opencv or options.opencv:
from ginga import trcalc
try:
trcalc.use('opencv')
except Exception as e:
logger.warn("failed to set OpenCv preference: %s" % (str(e)))
# Create the dynamic module manager
mm = ModuleManager.ModuleManager(logger)
# Create and start thread pool
ev_quit = threading.Event()
thread_pool = Task.ThreadPool(options.numthreads, logger,
ev_quit=ev_quit)
thread_pool.startall()
# Create the Ginga main object
ginga = Ginga(logger, thread_pool, mm, prefs, ev_quit=ev_quit)
ginga.set_layout(self.layout)
gc = os.path.join(basedir, "ginga_config.py")
have_ginga_config = os.path.exists(gc)
# User configuration (custom star catalogs, etc.)
if have_ginga_config:
try:
import ginga_config
ginga_config.pre_gui_config(ginga)
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))
# Build desired layout
ginga.build_toplevel()
# Did user specify a particular geometry?
if options.geometry:
ginga.setGeometry(options.geometry)
# make the list of disabled plugins
disabled_plugins = []
if not (options.disable_plugins is None):
disabled_plugins = options.disable_plugins.lower().split(',')
# Add desired global plugins
for spec in self.global_plugins:
if not spec.module.lower() in disabled_plugins:
ginga.add_global_plugin(spec)
# Add GUI log handler (for "Log" global plugin)
guiHdlr = GuiLogHandler(ginga)
guiHdlr.setLevel(options.loglevel)
fmt = logging.Formatter(log.LOG_FORMAT)
guiHdlr.setFormatter(fmt)
logger.addHandler(guiHdlr)
# Load any custom modules
if options.modules:
modules = options.modules.split(',')
for longPluginName in modules:
if '.' in longPluginName:
tmpstr = longPluginName.split('.')
pluginName = tmpstr[-1]
pfx = '.'.join(tmpstr[:-1])
else:
pluginName = longPluginName
pfx = None
spec = Bunch(name=pluginName, module=pluginName,
tab=pluginName, ws='right', pfx=pfx)
ginga.add_global_plugin(spec)
# Load modules for "local" (per-channel) plug ins
for spec in self.local_plugins:
if not spec.module.lower() in disabled_plugins:
ginga.add_local_plugin(spec)
# Load any custom plugins
if options.plugins:
plugins = options.plugins.split(',')
for longPluginName in plugins:
if '.' in longPluginName:
tmpstr = longPluginName.split('.')
pluginName = tmpstr[-1]
pfx = '.'.join(tmpstr[:-1])
else:
pluginName = longPluginName
pfx = None
spec = Bunch(module=pluginName, ws='dialogs',
hidden=False, pfx=pfx)
ginga.add_local_plugin(spec)
ginga.update_pending()
# TEMP?
tab_names = list(map(lambda name: name.lower(),
ginga.ds.get_tabnames(group=None)))
if 'info' in tab_names:
ginga.ds.raise_tab('Info')
if 'thumbs' in tab_names:
ginga.ds.raise_tab('Thumbs')
# User configuration (custom star catalogs, etc.)
if have_ginga_config:
try:
ginga_config.post_gui_config(ginga)
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 processing Ginga config file: %s" % (
str(e)))
logger.error("Traceback:\n%s" % (tb_str))
# Add custom channels
channels = options.channels.split(',')
for chname in channels:
datasrc = Datasrc.Datasrc(length=options.bufsize)
ginga.add_channel(chname, datasrc)
ginga.change_channel(channels[0])
# Display banner the first time run, unless suppressed
showBanner = True
try:
showBanner = settings.get('showBanner')
except KeyError:
# disable for subsequent runs
settings.set(showBanner=False)
settings.save()
if (not options.nosplash) and (len(args) == 0) and showBanner:
ginga.banner()
# Assume remaining arguments are fits files and load them.
for imgfile in args:
ginga.nongui_do(ginga.load_file, imgfile)
try:
try:
# if there is a network component, start it
if hasattr(ginga, 'start'):
task = Task.FuncTask2(ginga.start)
thread_pool.addTask(task)
# Main loop to handle GUI events
logger.info("Entering mainloop...")
ginga.mainloop(timeout=0.001)
except KeyboardInterrupt:
logger.error("Received keyboard interrupt!")
finally:
logger.info("Shutting down...")
ev_quit.set()
sys.exit(0)
def __init__(self,
logger=None,
image_width=500,
image_height=500,
use_opencv=True,
pixel_coords_offset=0):
super().__init__()
# TODO: Is this the best place for this?
if use_opencv:
try:
from ginga import trcalc
trcalc.use('opencv')
except ImportError:
warnings.warn('install opencv or set use_opencv=False')
self._viewer = EnhancedCanvasView(logger=logger)
self._pixel_offset = pixel_coords_offset
self._jup_img = ipyw.Image(format='jpeg')
# Set the image margin to over the widgets default of 2px on
# all sides.
self._jup_img.layout.margin = '0'
# Set both of those to ensure consistent display in notebook
# and jupyterlab when the image is put into a container smaller
# than the image.
self._jup_img.max_width = '100%'
self._jup_img.height = 'auto'
# Set the width of the box containing the image to the desired width
self.layout.width = str(image_width)
# Note we are NOT setting the height. That is because the height
# is automatically set by the image aspect ratio.
# These need to also be set for now; ginga uses them to figure
# out what size image to make.
self._jup_img.width = image_width
self._jup_img.height = image_height
self._viewer.set_widget(self._jup_img)
# enable all possible keyboard and pointer operations
self._viewer.get_bindings().enable_all(True)
# enable draw
self.dc = drawCatalog
self.canvas = self.dc.DrawingCanvas()
self.canvas.enable_draw(True)
self.canvas.enable_edit(True)
# Make sure all of the internal state trackers have a value
# and start in a state which is definitely allowed: all are
# False.
self._is_marking = False
self._click_center = False
self._click_drag = False
self._scroll_pan = False
# Set a couple of things to match the ginga defaults
self.scroll_pan = True
self.click_drag = False
bind_map = self._viewer.get_bindmap()
# Set up right-click and drag adjusts the contrast
bind_map.map_event(None, (), 'ms_right', 'contrast')
# Shift-right-click restores the default contrast
bind_map.map_event(None, ('shift', ), 'ms_right', 'contrast_restore')
# Marker
self.marker = {'type': 'circle', 'color': 'cyan', 'radius': 20}
# Maintain marker tags as a set because we do not want
# duplicate names.
self._marktags = set()
# Let's have a default name for the tag too:
self._default_mark_tag_name = 'default-marker-name'
self._interactive_marker_set_name_default = 'interactive-markers'
self._interactive_marker_set_name = self._interactive_marker_set_name_default
# coordinates display
self._jup_coord = ipyw.HTML('Coordinates show up here')
# This needs ipyevents 0.3.1 to work
self._viewer.add_callback('cursor-changed', self._mouse_move_cb)
self._viewer.add_callback('cursor-down', self._mouse_click_cb)
# Define a callback that shows the output of a print
self.print_out = ipyw.Output()
self._cursor = 'bottom'
self.children = [self._jup_img, self._jup_coord]
import numpy as np
import ginga.toolkit as ginga_toolkit
from ginga import RGBImage
from ginga import AutoCuts, RGBMap
from ginga.misc import log, Task
try:
import cv2
except ImportError:
print("You need to install the OpenCV python module to run this example")
sys.exit(1)
from ginga import trcalc
# this should be the default if OpenCv is installed anyway
trcalc.use('opencv')
STD_FORMAT = '%(asctime)s | %(levelname)1.1s | %(filename)s:%(lineno)d (%(funcName)s) | %(message)s'
class GingaVision(object):
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
