def paintEvent(self, e):
QFrame.paintEvent(self, e)
self.rect = QRectF(0, 0, self.width(), self.height() - 10)
qp = QPainter(self)
qp.setRenderHint(QPainter.Antialiasing)
self.drawTicks(qp, self.xaxis)
self.drawTicks(qp, self.laxis)
self.drawTicks(qp, self.raxis)
#paint filter response
filt = self.parent().chain._filters[self.focused]
if filt._enabled:
w, H = sosfreqz(filt._sos, self.wor)
pen = QPen((QColor(170, 0, 0)))
pen.setWidth(1.5)
if filt._type == FilterType.Peak:
c = PlotCurve(pen, QBrush(QColor(255, 255, 255, 50)), is_path = True)
else:
c = PlotCurve(pen, is_path = True)
c.setData(w * 0.5 / np.pi * fs, 20 * np.log10(np.abs(H) + eps))
self.plot(qp, c, self.raxis)
#paint chain response
self.plot(qp, self.TFcurv, self.raxis)
#paint handles
self.drawHandles(qp)
#paint the spectrum
self.plot(qp, self.speccurv, self.laxis)
def updateChainTF(self):
w, H = sosfreqz(self.chain.sos(), self.plotwin.wor)
self.plotwin.TFcurv.setData(w * 0.5 / np.pi * fs, 20 * np.log10(np.abs(H) + eps))
self.plotwin.update()