def addROI(self, roiType):
pen = pg.mkPen(pg.intColor(len(self.ROIs)))
center = self.view.viewRect().center()
#print 'camerawindow.py: addROI:: ', self.view.viewPixelSize()
size = [x * 50 for x in self.view.viewPixelSize()]
if roiType == 'rect':
roi = PlotROI(center, size)
elif roiType == 'ellipse':
roi = pg.EllipseROI(center, size, removable=True)
elif roiType == 'polygon':
pts = [
center, center + pg.Point(0, size[1]),
center + pg.Point(size[0], 0)
]
roi = pg.PolyLineROI(pts, closed=True, removable=True)
elif roiType == 'ruler':
pts = [center, center + pg.Point(size[0], size[1])]
roi = RulerROI(pts, removable=True)
else:
raise ValueError("Invalid ROI type %s" % roiType)
roi.setZValue(40000)
roi.setPen(pen)
self.view.addItem(roi)
plot = self.roiPlot.plot(pen=pen)
self.ROIs.append({'roi': roi, 'plot': plot, 'vals': [], 'times': []})
roi.sigRemoveRequested.connect(self.removeROI)
def __init__(self):
QtGui.QSplitter.__init__(self, QtCore.Qt.Horizontal)
self.resize(800, 1000)
self.params = pg.parametertree.Parameter(
name='params',
type='group',
children=[
dict(name='sequence',
type='group',
children=[
dict(name='analysis',
type='list',
values=['dF / F', 'SNR', 'noise']),
]),
])
self.ptree = pg.parametertree.ParameterTree()
self.ptree.setParameters(self.params)
self.params.child('sequence').sigTreeStateChanged.connect(
self.update_sequence_analysis)
self.leftPanel = QtGui.QWidget()
self.addWidget(self.leftPanel)
self.layout = QtGui.QGridLayout()
self.layout.setContentsMargins(0, 0, 0, 0)
self.leftPanel.setLayout(self.layout)
self.layout.addWidget(self.ptree, 0, 0)
self.gw = pg.GraphicsLayoutWidget()
self.addWidget(self.gw)
self.vb1 = self.gw.addViewBox()
self.img1 = pg.ImageItem()
self.vb1.addItem(self.img1)
self.vb2 = self.gw.addViewBox(row=1, col=0)
self.img2 = pg.ImageItem()
self.vb2.addItem(self.img2)
for vb in (self.vb1, self.vb2):
vb.invertY()
vb.setAspectLocked(True)
self.plt1 = self.gw.addPlot(row=2, col=0)
self.plt1.setLabels(bottom=('time', 's'))
self.plt1_items = []
self.rois = [
pg.EllipseROI([0, 0], [10, 10], pen=(i, 4)) for i in range(2)
]
for roi in self.rois:
self.vb1.addItem(roi)
roi.sigRegionChangeFinished.connect(self.roi_changed)
self.ignore_roi_change = False
self.plt2 = self.gw.addPlot(row=3, col=0)
self.plt2.setXLink(self.plt1)
self.plt2.setLabels(bottom=('time', 's'))
self.noise_time_rgn = pg.LinearRegionItem([0.01, 0.02],
brush=(255, 0, 0, 30))
self.base_time_rgn = pg.LinearRegionItem([0.025, 0.95],
brush=(0, 255, 0, 30))
self.test_time_rgn = pg.LinearRegionItem([0.1, 0.11],
brush=(0, 0, 255, 30))
for time_rgn in (self.base_time_rgn, self.test_time_rgn,
self.noise_time_rgn):
self.plt1.addItem(time_rgn)
time_rgn.sigRegionChangeFinished.connect(self.time_rgn_changed)
time_rgn.sigRegionChangeFinished.connect(
self.update_sequence_analysis)
self.clamp_plots = []
self.plt3 = self.gw.addPlot(row=4, col=0)
self.plt3.setLabels(left="dF / F", bottom="trial")
self.show()