def draw(self, painter, xMap, yMap, canvasQRect):
if DEBUG:
print("%s.draw called" % self._title)
nPoints = len(self._x)
if not nPoints:
return
plot = self.plot()
#just a line
if len(self._x) < 3:
xPixel = [0] * nPoints
yPixel = [0] * nPoints
for i in range(nPoints):
xPixel[i] = plot.transform(Qwt5.QwtPlot.xBottom, self._x[i])
yPixel[i] = plot.transform(Qwt5.QwtPlot.yLeft, self._y[i])
line = qt.QLineF(xPixel[0], yPixel[0],\
xPixel[1], yPixel[1])
painter.drawLine(line)
return
#a generic polygon
qPoints = [0] * nPoints
for i in range(nPoints):
qPoints[i] = qt.QPointF(\
plot.transform(Qwt5.QwtPlot.xBottom, self._x[i]),
plot.transform(Qwt5.QwtPlot.yLeft, self._y[i]))
polygon = qt.QPolygonF(qPoints)
oldBrush = painter.brush()
brush = qt.QBrush(oldBrush)
brush.setStyle(qt.Qt.CrossPattern)
painter.setBrush(brush)
painter.drawPolygon(polygon, qt.Qt.OddEvenFill)
painter.setBrush(oldBrush)
def drawEllipse(self,x,y,r):
self.Item = qt.QGraphicsEllipseItem(x-r/2,y-r/2,r,r)
self.Item.setFlag(qt.QGraphicsItem.ItemIsMovable)
pen = qt.QPen(qt.Qt.blue)
pen.setWidth( 3 )
brush = qt.QBrush(qt.QColor(0xFF, 0, 0, 0x00))
self.Item.setBrush(brush)
self.Item.setPen(pen)
self.scene.addItem(self.Item)
def setSelected(self, b):
self.selected = b
if QTVERSION > '4.0.0':
if b:
role = self.backgroundRole()
palette = self.palette()
palette.setBrush(role, self.brush)
self.setPalette(palette)
else:
role = self.backgroundRole()
palette = self.palette()
palette.setBrush(role, qt.QBrush())
self.setPalette(palette)
self.update()
def __init__(self, parent, peak):
qt.QPushButton.__init__(self, parent)
#, peak)
self.peak = peak
font = self.font()
font.setBold(1)
self.setText(peak)
self.setFlat(1)
if QTVERSION < '4.0.0':
self.setToggleButton(0)
self.setSizePolicy(
qt.QSizePolicy(qt.QSizePolicy.Expanding, qt.QSizePolicy.Expanding))
self.selected = 0
self.brush = qt.QBrush(qt.QColor(qt.Qt.yellow))
self.connect(self, qt.SIGNAL("clicked()"), self.clickedSlot)
def __init__(self, parent=None, scene=None, keepratio=True):
qt.QGraphicsRectItem.__init__(self, parent, scene)
rect = parent.sceneBoundingRect()
w = rect.width()
h = rect.height()
self._newRect = None
self.keepRatio = keepratio
self.setRect(qt.QRectF(w - 40, h - 40, 40, 40))
if DEBUG:
self.setBrush(qt.QBrush(qt.Qt.white, qt.Qt.SolidPattern))
else:
pen = qt.QPen()
color = qt.QColor(qt.Qt.white)
color.setAlpha(0)
pen.setColor(color)
pen.setStyle(qt.Qt.NoPen)
self.setPen(pen)
self.setBrush(color)
self.setFlag(self.ItemIsMovable, True)
self.show()
def drawPoint(self, x, y):
self.scene.addRect(x, y, 4, 4, qt.Qt.black, qt.QBrush(qt.Qt.red))
self.scene.update
def fillfrommca(self, mcaresult, diag=1):
line0 = 0
region = 0
alreadyforced = 0
for result in mcaresult:
region = region + 1
if result['chisq'] is not None:
chisq = QString("%6.2f" % (result['chisq']))
else:
chisq = QString("Fit Error")
if 1:
xbegin = QString("%6g" % (result['xbegin']))
xend = QString("%6g" % (result['xend']))
fitlabel, fitpars, fitsigmas = self.__getfitpar(result)
if QTVERSION < '4.0.0':
qt.QHeader.setLabel(self.horizontalHeader(), 1,
"Fit " + fitlabel)
else:
item = self.horizontalHeaderItem(1)
item.setText("Fit " + fitlabel)
i = 0
for (pos, area, sigma, fwhm) in result['mca_areas']:
line0 = line0 + 1
if QTVERSION < '4.0.0':
nlines = self.numRows()
if (line0 > nlines):
self.setNumRows(line0)
else:
nlines = self.rowCount()
if (line0 > nlines):
self.setRowCount(line0)
line = line0 - 1
#pos=QString(str(pos))
#area=QString(str(area))
#sigma=QString(str(sigma))
#fwhm=QString(str(fwhm))
tregion = QString(str(region))
pos = QString("%6g" % (pos))
fitpar = QString("%6g" % (fitpars[i]))
if fitlabel == 'Area':
sigma = max(sigma, fitsigmas[i])
areastr = QString("%6g" % (area))
sigmastr = QString("%6.3g" % (sigma))
fwhm = QString("%6g" % (fwhm))
tregion = QString("%6g" % (region))
fields = [
pos, fitpar, areastr, sigmastr, fwhm, chisq, tregion,
xbegin, xend
]
col = 0
recolor = 0
if fitlabel == 'Area':
if diag:
if abs(fitpars[i] - area) > (3.0 * sigma):
color = qt.QColor(255, 182, 193)
recolor = 1
for field in fields:
if QTVERSION < '4.0.0':
if recolor:
key = MyQTableItem(self,
qttable.QTableItem.Never,
field,
color=color)
else:
key = qttable.QTableItem(
self, qttable.QTableItem.Never, field)
self.setItem(line, col, key)
else:
key = self.item(line, col)
if key is None:
key = qt.QTableWidgetItem(field)
self.setItem(line, col, key)
else:
item.setText(field)
if recolor:
#function introduced in Qt 4.2.0
if QTVERSION >= '4.2.0':
item.setBackground(qt.QBrush(color))
item.setFlags(qt.Qt.ItemIsSelectable
| qt.Qt.ItemIsEnabled)
col = col + 1
if recolor:
if not alreadyforced:
alreadyforced = 1
if QTVERSION < '4.0.0':
self.ensureCellVisible(line, 0)
else:
self.scrollToItem(self.item(line, 0))
i += 1
i = 0
for label in self.labels:
if QTVERSION < '4.0.0':
self.adjustColumn(i)
else:
self.resizeColumnToContents(i)
i = i + 1
ndict = {}
ndict['event'] = 'McaTableFilled'
if QTVERSION < '4.0.0':
self.emit(qt.PYSIGNAL('McaTableSignal'), (ndict, ))
else:
self.emit(qt.SIGNAL('McaTableSignal'), ndict)
