def show_layout_details(self):
text = QwtText(
"plotLayout().canvasRect():\n%r\n\n"
"canvas().geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.yLeft):\n%r\n\n"
"axisWidget(QwtPlot.yLeft).geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.yRight):\n%r\n\n"
"axisWidget(QwtPlot.yRight).geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.xBottom):\n%r\n\n"
"axisWidget(QwtPlot.xBottom).geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.xTop):\n%r\n\n"
"axisWidget(QwtPlot.xTop).geometry():\n%r\n\n" % (
self.plotLayout().canvasRect().getCoords(),
self.canvas().geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.yLeft).getCoords(),
self.axisWidget(QwtPlot.yLeft).geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.yRight).getCoords(),
self.axisWidget(QwtPlot.yRight).geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.xBottom).getCoords(),
self.axisWidget(QwtPlot.xBottom).geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.xTop).getCoords(),
self.axisWidget(QwtPlot.xTop).geometry().getCoords(),
))
text.setFont(QFont('Courier New'))
text.setColor(Qt.blue)
self.marker.setLabel(text)
def show_layout_details(self):
text = QwtText(
"plotLayout().canvasRect():\n%r\n\n"
"canvas().geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.yLeft):\n%r\n\n"
"axisWidget(QwtPlot.yLeft).geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.yRight):\n%r\n\n"
"axisWidget(QwtPlot.yRight).geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.xBottom):\n%r\n\n"
"axisWidget(QwtPlot.xBottom).geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.xTop):\n%r\n\n"
"axisWidget(QwtPlot.xTop).geometry():\n%r\n\n"
% (self.plotLayout().canvasRect().getCoords(),
self.canvas().geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.yLeft).getCoords(),
self.axisWidget(QwtPlot.yLeft).geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.yRight).getCoords(),
self.axisWidget(QwtPlot.yRight).geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.xBottom).getCoords(),
self.axisWidget(QwtPlot.xBottom).geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.xTop).getCoords(),
self.axisWidget(QwtPlot.xTop).geometry().getCoords(),
)
)
text.setFont(QFont('Courier New'))
text.setColor(Qt.blue)
self.marker.setLabel(text)
def trackerText(self, pos):
x, y = self.plot.invTransform(QwtPlot.xBottom, pos.x()), self.plot.invTransform(QwtPlot.yLeft, pos.y())
if self.track:
text = self.track(x, y)
if text is not None:
return text
if self.label:
text = QwtText(self.label % dict(x=x, y=y))
text.setColor(self.color)
return text
return QwtText()
def _setupHistogramPlot(self):
self._histplot.setCanvasBackground(QColor("lightgray"))
self._histplot.setAxisFont(QwtPlot.yLeft, QApplication.font())
self._histplot.setAxisFont(QwtPlot.xBottom, QApplication.font())
# add histogram curves
self._histcurve1 = TiggerPlotCurve()
self._histcurve2 = TiggerPlotCurve()
self._histcurve1.setStyle(QwtPlotCurve.Steps)
self._histcurve2.setStyle(QwtPlotCurve.Steps)
self._histcurve1.setPen(QPen(Qt.NoPen))
self._histcurve1.setBrush(QBrush(QColor("slategrey")))
pen = QPen(QColor("red"))
pen.setWidth(1)
self._histcurve2.setPen(pen)
self._histcurve1.setZ(0)
self._histcurve2.setZ(100)
# self._histcurve1.attach(self._histplot)
self._histcurve2.attach(self._histplot)
# add maxbin and half-max curves
self._line_0 = self.HistogramLineMarker(self._histplot, color="grey50", linestyle=Qt.SolidLine,
align=Qt.AlignTop | Qt.AlignLeft, z=90)
self._line_mean = self.HistogramLineMarker(self._histplot, color="black", linestyle=Qt.SolidLine,
align=Qt.AlignBottom | Qt.AlignRight, z=91,
label="mean", zlabel=151)
self._line_std = self.HistogramLineMarker(self._histplot, color="black", linestyle=Qt.SolidLine,
align=Qt.AlignTop | Qt.AlignRight, z=91,
label="std", zlabel=151)
sym = QwtSymbol()
sym.setStyle(QwtSymbol.VLine)
sym.setSize(8)
self._line_std.line.setSymbol(sym)
self._line_maxbin = self.HistogramLineMarker(self._histplot, color="green", linestyle=Qt.DotLine,
align=Qt.AlignTop | Qt.AlignRight, z=92,
label="max bin", zlabel=150)
self._line_halfmax = self.HistogramLineMarker(self._histplot, color="green", linestyle=Qt.DotLine,
align=Qt.AlignBottom | Qt.AlignRight, z=90,
label="half-max", yaxis=QwtPlot.yLeft)
# add current range
self._rangebox = TiggerPlotCurve()
self._rangebox.setStyle(QwtPlotCurve.Steps)
self._rangebox.setYAxis(QwtPlot.yRight)
self._rangebox.setPen(QPen(Qt.NoPen))
self._rangebox.setBrush(QBrush(QColor("darkgray")))
self._rangebox.setZ(50)
self._rangebox.attach(self._histplot)
self._rangebox2 = TiggerPlotCurve()
self._rangebox2.setStyle(QwtPlotCurve.Sticks)
self._rangebox2.setYAxis(QwtPlot.yRight)
self._rangebox2.setZ(60)
# self._rangebox2.attach(self._histplot)
# add intensity transfer function
self._itfcurve = TiggerPlotCurve()
self._itfcurve.setStyle(QwtPlotCurve.Lines)
self._itfcurve.setPen(QPen(QColor("blue")))
self._itfcurve.setYAxis(QwtPlot.yRight)
self._itfcurve.setZ(120)
self._itfcurve.attach(self._histplot)
self._itfmarker = TiggerPlotMarker()
label = QwtText("ITF")
label.setColor(QColor("blue"))
self._itfmarker.setLabel(label)
try:
self._itfmarker.setSpacing(0)
except AttributeError:
pass
self._itfmarker.setLabelAlignment(Qt.AlignTop | Qt.AlignRight)
self._itfmarker.setZ(120)
self._itfmarker.attach(self._histplot)
# add colorbar
self._cb_item = self.ColorBarPlotItem(1, 1 + self.ColorBarHeight)
self._cb_item.setYAxis(QwtPlot.yRight)
self._cb_item.attach(self._histplot)
# add pickers
self._hist_minpicker = self.HistLimitPicker(self._histplot, "low: %(x).4g")
self._hist_minpicker.setMousePattern(QwtEventPattern.MouseSelect1, Qt.LeftButton)
QObject.connect(self._hist_minpicker, SIGNAL("selected(const QwtDoublePoint &)"), self._selectLowLimit)
self._hist_maxpicker = self.HistLimitPicker(self._histplot, "high: %(x).4g")
self._hist_maxpicker.setMousePattern(QwtEventPattern.MouseSelect1, Qt.RightButton)
QObject.connect(self._hist_maxpicker, SIGNAL("selected(const QwtDoublePoint &)"), self._selectHighLimit)
self._hist_maxpicker1 = self.HistLimitPicker(self._histplot, "high: %(x).4g")
self._hist_maxpicker1.setMousePattern(QwtEventPattern.MouseSelect1, Qt.LeftButton, Qt.CTRL)
QObject.connect(self._hist_maxpicker1, SIGNAL("selected(const QwtDoublePoint &)"), self._selectHighLimit)
self._hist_zoompicker = self.HistLimitPicker(self._histplot, label="zoom",
tracker_mode=QwtPicker.AlwaysOn, track=self._trackHistCoordinates,
color="black",
mode=QwtPicker.RectSelection,
rubber_band=QwtPicker.RectRubberBand)
self._hist_zoompicker.setMousePattern(QwtEventPattern.MouseSelect1, Qt.LeftButton, Qt.SHIFT)
QObject.connect(self._hist_zoompicker, SIGNAL("selected(const QwtDoubleRect &)"), self._zoomHistogramIntoRect)
def setText(self, text):
label = QwtText(text)
label.setColor(self.color)
self.marker.setLabel(label)
def __init__(self, image, parent, imgman, name=None, save=False):
QFrame.__init__(self, parent)
self.setFrameStyle(QFrame.StyledPanel | QFrame.Raised)
# init state
self.image = image
self._imgman = imgman
self._currier = PersistentCurrier()
self._control_dialog = None
# create widgets
self._lo = lo = QHBoxLayout(self)
lo.setContentsMargins(0, 0, 0, 0)
lo.setSpacing(2)
# raise button
self._wraise = QToolButton(self)
lo.addWidget(self._wraise)
self._wraise.setIcon(pixmaps.raise_up.icon())
self._wraise.setAutoRaise(True)
self._can_raise = False
QObject.connect(self._wraise, SIGNAL("clicked()"), self._raiseButtonPressed)
self._wraise.setToolTip("""<P>Click here to raise this image above other images. Hold the button down briefly to
show a menu of image operations.</P>""")
# center label
self._wcenter = QLabel(self)
self._wcenter.setPixmap(pixmaps.center_image.pm())
self._wcenter.setToolTip(
"<P>The plot is currently centered on (the reference pixel %d,%d) of this image.</P>" % self.image.referencePixel())
lo.addWidget(self._wcenter)
# name/filename label
self.name = image.name
self._wlabel = QLabel(self.name, self)
self._number = 0
self.setName(self.name)
self._wlabel.setToolTip("%s %s" % (image.filename, "\u00D7".join(map(str, image.data().shape))))
lo.addWidget(self._wlabel, 1)
# if 'save' is specified, create a "save" button
if save:
self._wsave = QToolButton(self)
lo.addWidget(self._wsave)
self._wsave.setText("save")
self._wsave.setAutoRaise(True)
self._save_dir = save if isinstance(save, str) else "."
QObject.connect(self._wsave, SIGNAL("clicked()"), self._saveImage)
self._wsave.setToolTip("""<P>Click here to write this image to a FITS file.</P>""")
# render control
dprint(2, "creating RenderControl")
self._rc = RenderControl(image, self)
dprint(2, "done")
# selectors for extra axes
self._wslicers = []
curslice = self._rc.currentSlice(); # this may be loaded from config, so not necessarily 0
for iextra, axisname, labels in self._rc.slicedAxes():
if axisname.upper() not in ["STOKES", "COMPLEX"]:
lbl = QLabel("%s:" % axisname, self)
lo.addWidget(lbl)
else:
lbl = None
slicer = QComboBox(self)
self._wslicers.append(slicer)
lo.addWidget(slicer)
slicer.addItems(labels)
slicer.setToolTip("""<P>Selects current slice along the %s axis.</P>""" % axisname)
slicer.setCurrentIndex(curslice[iextra])
QObject.connect(slicer, SIGNAL("activated(int)"), self._currier.curry(self._rc.changeSlice, iextra))
# min/max display ranges
lo.addSpacing(5)
self._wrangelbl = QLabel(self)
lo.addWidget(self._wrangelbl)
self._minmaxvalidator = FloatValidator(self)
self._wmin = QLineEdit(self)
self._wmax = QLineEdit(self)
width = self._wmin.fontMetrics().width("1.234567e-05")
for w in self._wmin, self._wmax:
lo.addWidget(w, 0)
w.setValidator(self._minmaxvalidator)
w.setMaximumWidth(width)
w.setMinimumWidth(width)
QObject.connect(w, SIGNAL("editingFinished()"), self._changeDisplayRange)
# full-range button
self._wfullrange = QToolButton(self)
lo.addWidget(self._wfullrange, 0)
self._wfullrange.setIcon(pixmaps.zoom_range.icon())
self._wfullrange.setAutoRaise(True)
QObject.connect(self._wfullrange, SIGNAL("clicked()"), self.renderControl().resetSubsetDisplayRange)
rangemenu = QMenu(self)
rangemenu.addAction(pixmaps.full_range.icon(), "Full subset", self.renderControl().resetSubsetDisplayRange)
for percent in (99.99, 99.9, 99.5, 99, 98, 95):
rangemenu.addAction("%g%%" % percent, self._currier.curry(self._changeDisplayRangeToPercent, percent))
self._wfullrange.setPopupMode(QToolButton.DelayedPopup)
self._wfullrange.setMenu(rangemenu)
# update widgets from current display range
self._updateDisplayRange(*self._rc.displayRange())
# lock button
self._wlock = QToolButton(self)
self._wlock.setIcon(pixmaps.unlocked.icon())
self._wlock.setAutoRaise(True)
self._wlock.setToolTip("""<P>Click to lock or unlock the intensity range. When the intensity range is locked across multiple images, any changes in the intensity
range of one are propagated to the others. Hold the button down briefly for additional options.</P>""")
lo.addWidget(self._wlock)
QObject.connect(self._wlock, SIGNAL("clicked()"), self._toggleDisplayRangeLock)
QObject.connect(self.renderControl(), SIGNAL("displayRangeLocked"), self._setDisplayRangeLock)
QObject.connect(self.renderControl(), SIGNAL("dataSubsetChanged"), self._dataSubsetChanged)
lockmenu = QMenu(self)
lockmenu.addAction(pixmaps.locked.icon(), "Lock all to this",
self._currier.curry(imgman.lockAllDisplayRanges, self.renderControl()))
lockmenu.addAction(pixmaps.unlocked.icon(), "Unlock all", imgman.unlockAllDisplayRanges)
self._wlock.setPopupMode(QToolButton.DelayedPopup)
self._wlock.setMenu(lockmenu)
self._setDisplayRangeLock(self.renderControl().isDisplayRangeLocked())
# dialog button
self._wshowdialog = QToolButton(self)
lo.addWidget(self._wshowdialog)
self._wshowdialog.setIcon(pixmaps.colours.icon())
self._wshowdialog.setAutoRaise(True)
self._wshowdialog.setToolTip("""<P>Click for colourmap and intensity policy options.</P>""")
QObject.connect(self._wshowdialog, SIGNAL("clicked()"), self.showRenderControls)
tooltip = """<P>You can change the currently displayed intensity range by entering low and high limits here.</P>
<TABLE>
<TR><TD><NOBR>Image min:</NOBR></TD><TD>%g</TD><TD>max:</TD><TD>%g</TD></TR>
</TABLE>""" % self.image.imageMinMax()
for w in self._wmin, self._wmax, self._wrangelbl:
w.setToolTip(tooltip)
# create image operations menu
self._menu = QMenu(self.name, self)
self._qa_raise = self._menu.addAction(pixmaps.raise_up.icon(), "Raise image",
self._currier.curry(self.image.emit, SIGNAL("raise")))
self._qa_center = self._menu.addAction(pixmaps.center_image.icon(), "Center plot on image",
self._currier.curry(self.image.emit, SIGNAL("center")))
self._qa_show_rc = self._menu.addAction(pixmaps.colours.icon(), "Colours && Intensities...",
self.showRenderControls)
if save:
self._qa_save = self._menu.addAction("Save image...", self._saveImage)
self._menu.addAction("Export image to PNG file...", self._exportImageToPNG)
self._export_png_dialog = None
self._menu.addAction("Unload image", self._currier.curry(self.image.emit, SIGNAL("unload")))
self._wraise.setMenu(self._menu)
self._wraise.setPopupMode(QToolButton.DelayedPopup)
# connect updates from renderControl and image
self.image.connect(SIGNAL("slice"), self._updateImageSlice)
QObject.connect(self._rc, SIGNAL("displayRangeChanged"), self._updateDisplayRange)
# default plot depth of image markers
self._z_markers = None
# and the markers themselves
self._image_border = QwtPlotCurve()
self._image_label = QwtPlotMarker()
# subset markers
self._subset_pen = QPen(QColor("Light Blue"))
self._subset_border = QwtPlotCurve()
self._subset_border.setPen(self._subset_pen)
self._subset_border.setVisible(False)
self._subset_label = QwtPlotMarker()
text = QwtText("subset")
text.setColor(self._subset_pen.color())
self._subset_label.setLabel(text)
self._subset_label.setLabelAlignment(Qt.AlignRight | Qt.AlignBottom)
self._subset_label.setVisible(False)
self._setting_lmrect = False
self._all_markers = [self._image_border, self._image_label, self._subset_border, self._subset_label]