def __init__(self, session, parent=None):
self.logger = log.get_logger(
name='ginga',
level=20,
null=True,
# uncomment for debugging
# log_stderr=True
)
self.canvas = ImageViewCanvas(self.logger, render='widget')
# prevent widget from grabbing focus
try:
self.canvas.set_enter_focus(False)
except AttributeError:
self.canvas.set_follow_focus(False)
# enable interactive features
bindings = self.canvas.get_bindings()
bindings.enable_all(True)
self.canvas.add_callback('none-move', self.motion_readout)
self.canvas.add_callback('draw-event', self._apply_roi_cb)
self.canvas.add_callback('draw-down', self._clear_roi_cb)
self.canvas.enable_draw(False)
self.canvas.enable_autozoom('off')
self.canvas.set_zoom_algorithm('rate')
self.canvas.set_zoomrate(1.4)
bm = self.canvas.get_bindmap()
bm.add_callback('mode-set', self.mode_set_cb)
self.mode_w = None
self.mode_actns = {}
# Create settings and set defaults
settings = self.canvas.get_settings()
self.settings = settings
settings.getSetting('cuts').add_callback('set', self.cut_levels_cb)
settings.set(autozoom='off',
autocuts='override',
autocenter='override')
# make color bar, with color maps shared from ginga canvas
self.colorbar = ColorBar.ColorBar(self.logger)
rgbmap = self.canvas.get_rgbmap()
rgbmap.add_callback('changed', self.rgbmap_cb, self.canvas)
self.colorbar.set_rgbmap(rgbmap)
# make coordinates/value readout
self.readout = Readout.Readout(-1, -1)
self.roi_tag = None
super(GingaWidget, self).__init__(session, parent)
def build_colorbar(self):
cbar = ColorBar.ColorBar(self.logger)
cbar.set_cmap(self.cm)
cbar.set_imap(self.im)
cbar.resize(700, 15)
#cbar.show()
self.colorbar = cbar
self.add_callback('active-image', self.change_cbar, cbar)
cbar.add_callback('motion', self.cbar_value_cb)
fr = QtGui.QFrame()
fr.setContentsMargins(0, 0, 0, 0)
layout = QtGui.QHBoxLayout()
fr.setLayout(layout)
layout.setContentsMargins(0, 0, 0, 0)
fr.setFrameStyle(QtGui.QFrame.Box | QtGui.QFrame.Raised)
layout.addWidget(cbar, stretch=1)
return fr
import sys
from ginga.qtw.QtHelp import QtGui, QtCore
from ginga.qtw import ColorBar
from ginga import cmap, imap
import logging
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_()
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('ramp')
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)
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)
fi.set_callback('none-move', self.motion)
fi.set_bg(0.2, 0.2, 0.2)
fi.ui_setActive(True)
self.fitsimage = fi
# 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')
# add color bar
rgbmap = fi.get_rgbmap()
rgbmap.set_hash_size(256)
cbar = ColorBar.ColorBar(self.logger, rgbmap=rgbmap, link=True)
cbar.resize(-1, 15)
#cbar.show()
self.colorbar = cbar
layout.addWidget(cbar, stretch=0)
settings = fi.get_settings()
settings.getSetting('cuts').add_callback('set', self.change_range_cb,
fi, self.colorbar)
# 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()
# scrw = QtGui.QScrollArea()
# scrw.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAsNeeded)
# scrw.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAsNeeded)
# scrw.setWidgetResizable(True)
# layout.addWidget(scrw, stretch=1)
# scrw.setWidget(self.canvas)
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)
def __init__(self, logger, container):
self.logger = logger
self.tag = None
self.mycolor = 'skyblue'
self.magmap = 'stairs8'
self.mag_max = 25.0
self.mag_min = 0.0
# keys: are name, ra, dec, mag, flag, b_r, preference, priority, dst
# TODO: automate this generation
self.columns = [('Name', 'name'),
('RA', 'ra'),
('DEC', 'dec'),
('Mag', 'mag'),
('Preference', 'preference'),
('Priority', 'priority'),
('Flag', 'flag'),
('b-r', 'b_r'),
('Dst', 'dst'),
('Description', 'description'),
]
self.catalog = None
self.cursor = 0
self.color_cursor = 'red'
self.color_selected = 'skyblue'
self.selection_mode = 'single'
self.selected = []
self.moving_cursor = False
self.btn = Bunch.Bunch()
self.mframe = container
vbox = QtHelp.VBox()
# create the table
table = QtGui.QTableWidget()
table.setColumnCount(len(self.columns))
table.cellClicked.connect(self.select_star)
self.table = table
col = 0
for hdr, kwd in self.columns:
item = QtGui.QTableWidgetItem(hdr)
table.setHorizontalHeaderItem(col, item)
col += 1
vbox.addWidget(table, stretch=1)
self.cbar = ColorBar.ColorBar(self.logger)
self.cmap = cmap.get_cmap(self.magmap)
self.imap = imap.get_imap('ramp')
self.cbar.set_cmap(self.cmap)
self.cbar.set_imap(self.imap)
#self.cbar.set_size_request(-1, 20)
vbox.addWidget(self.cbar, stretch=0)
btns = QtHelp.HBox()
btns.setSpacing(5)
for name in ('Plot', 'Clear', #'Close'
):
btn = QtGui.QPushButton(name)
btns.addWidget(btn, stretch=0, alignment=QtCore.Qt.AlignCenter)
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)
vbox.addWidget(btns, stretch=0, alignment=QtCore.Qt.AlignTop)
self.mframe.addWidget(vbox, stretch=1)