def main(args):
app = QApplication(args)
x_values = numpy.array([1.0, 2.0, 3.0, 4.0])
y_values = numpy.array([15.0, 25.0, 35.0, 45.0])
flags = numpy.array([0.0, 0.0, 0.0, 0.0])
demo = ZoomPopup(1, x_values, y_values, flags, Qt.yellow, None, None)
demo.show()
app.exec_()
def main(args):
app = QApplication(args)
demo = QwtPlot()
grid = QwtPlotGrid()
grid.attach(demo)
grid.setPen(QPen(Qt.black, 0, Qt.DotLine))
grid.enableX(True)
grid.enableY(True)
complex_divider = 50.0
myXScale = ComplexScaleDraw(start_value=0.0, end_value=complex_divider)
#print('myXScale', myXScale)
demo.setAxisScaleDraw(QwtPlot.xBottom, myXScale)
m = QwtPlotMarker()
m.attach(demo)
m.setValue(complex_divider, 0.0)
m.setLineStyle(QwtPlotMarker.VLine)
m.setLabelAlignment(Qt.AlignRight | Qt.AlignBottom)
m.setLinePen(QPen(Qt.black, 2, Qt.SolidLine))
vector_array = numpy.zeros((100, ), numpy.float32)
for i in range(100):
vector_array[i] = i
curve = QwtPlotCurve('example data')
curve.attach(demo)
x_array = numpy.zeros(100, numpy.float32)
y_array = numpy.zeros(100, numpy.float32)
for i in range(100):
x_array[i] = 1.0 * i
y_array[i] = 2.0 * i
curve.setSamples(x_array, y_array)
demo.resize(600, 400)
demo.replot()
demo.show()
# app.setMainWidget(demo)
app.exec_()
# calculate data and errors for a curve with error bars
x = np.arange(0, 10.1, 0.5, np.float)
y = np.sin(x)
dy = 0.2 * abs(y)
# dy = (0.15 * abs(y), 0.25 * abs(y)) # uncomment for asymmetric error bars
dx = 0.2 # all error bars the same size
errorOnTop = False # uncomment to draw the curve on top of the error bars
# errorOnTop = True # uncomment to draw the error bars on top of the curve
curve = ErrorBarPlotCurve(
x=x,
y=y,
dx=dx,
dy=dy,
curvePen=QPen(Qt.black, 2),
curveSymbol=QwtSymbol(QwtSymbol.Ellipse, QBrush(Qt.red),
QPen(Qt.black, 2), QSize(9, 9)),
errorPen=QPen(Qt.blue, 2),
errorCap=10,
errorOnTop=errorOnTop,
)
curve.attach(demo)
demo.resize(640, 480)
demo.show()
return demo
if __name__ == '__main__':
app = QApplication(sys.argv)
demo = make()
sys.exit(app.exec_())
self.show()
QApplication.processEvents()
self.setCentralWidget(tabs)
pts = 1000
for points, symbols in zip((pts / 10, pts / 10, pts, pts),
(True, False) * 2):
t0 = time.time()
widget = CSWidget(points, symbols)
symtext = "with%s symbols" % ("" if symbols else "out")
title = '%d points, %s' % (points, symtext)
tabs.addTab(widget, title)
tabs.setCurrentWidget(widget)
# Force widget to refresh (for test purpose only)
QApplication.processEvents()
time_str = "Elapsed time: %d ms" % ((time.time() - t0) * 1000)
widget.text.setText(time_str)
tabs.setCurrentIndex(0)
if __name__ == '__main__':
app = QApplication([])
for name in ('Calibri', 'Verdana', 'Arial'):
if name in QFontDatabase().families():
app.setFont(QFont(name))
break
demo = BMDemo(100000)
app.exec_()
def main(args):
app = QApplication(args)
demo = make()
# app.setMainWidget(demo)
app.exec_()
def main(args):
app = QApplication(args)
demo = make()
app.exec_()
def main(args):
app = QApplication(args)
demo = BufferSizeDialog(10)
demo.show()
app.exec_()