PyQt5 Pyqtgraph plot discret
1
At present, for this project, I'm working with matplolib to trace my plot.
Nevertheless, I wish to convert at pyqtgraph ( Pyqt5).
I didn't found how trace a discret plot of FFT with pyqtgraph, same the picture.
Have you an idea ?
python pyqt pyqt5 pyqtgraph
edited Nov 14 '18 at 4:16
eyllanesc
77.3k103156
asked Nov 13 '18 at 15:00
Jérôme PannetierJérôme Pannetier
354
add a comment |
1
At present, for this project, I'm working with matplolib to trace my plot.
Nevertheless, I wish to convert at pyqtgraph ( Pyqt5).
I didn't found how trace a discret plot of FFT with pyqtgraph, same the picture.
Have you an idea ?
python pyqt pyqt5 pyqtgraph
edited Nov 14 '18 at 4:16
eyllanesc
77.3k103156
asked Nov 13 '18 at 15:00
Jérôme PannetierJérôme Pannetier
354
add a comment |
1
1
1
At present, for this project, I'm working with matplolib to trace my plot.
Nevertheless, I wish to convert at pyqtgraph ( Pyqt5).
I didn't found how trace a discret plot of FFT with pyqtgraph, same the picture.
Have you an idea ?
python pyqt pyqt5 pyqtgraph
edited Nov 14 '18 at 4:16
eyllanesc
77.3k103156
asked Nov 13 '18 at 15:00
Jérôme PannetierJérôme Pannetier
354
At present, for this project, I'm working with matplolib to trace my plot.
Nevertheless, I wish to convert at pyqtgraph ( Pyqt5).
I didn't found how trace a discret plot of FFT with pyqtgraph, same the picture.
Have you an idea ?
python pyqt pyqt5 pyqtgraph
python pyqt pyqt5 pyqtgraph
edited Nov 14 '18 at 4:16
eyllanesc
77.3k103156
asked Nov 13 '18 at 15:00
Jérôme PannetierJérôme Pannetier
354
edited Nov 14 '18 at 4:16
eyllanesc
77.3k103156
asked Nov 13 '18 at 15:00
Jérôme PannetierJérôme Pannetier
354
edited Nov 14 '18 at 4:16
eyllanesc
77.3k103156
edited Nov 14 '18 at 4:16
eyllanesc
77.3k103156
edited Nov 14 '18 at 4:16
eyllanesc
77.3k103156
77.3k103156
asked Nov 13 '18 at 15:00
Jérôme PannetierJérôme Pannetier
354
asked Nov 13 '18 at 15:00
Jérôme PannetierJérôme Pannetier
354
asked Nov 13 '18 at 15:00
Jérôme PannetierJérôme Pannetier
354
354
add a comment |
add a comment |
1 Answer
1
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You can create an item in which the vertical lines are drawn:
from pyqtgraph.Qt import QtGui, QtCore
import pyqtgraph as pg
class LinePlot(pg.GraphicsObject):
def __init__(self, data):
super(LinePlot, self).__init__()
self._data =
self.setData(data)
def setData(self, data):
self._data = data
self.generate()
def generate(self):
self.picture = QtGui.QPicture()
p = QtGui.QPainter(self.picture)
p.setPen(pg.mkPen('r', width=2))
for (t, v) in self._data:
if v != 0:
p.drawLine(QtCore.QPointF(t, 0), QtCore.QPointF(t, v))
def paint(self, p, *args):
p.drawPicture(0, 0, self.picture)
def boundingRect(self):
return QtCore.QRectF(self.picture.boundingRect())
if __name__ == '__main__':
import sys
import random
app = QtGui.QApplication(sys.argv)
w = QtGui.QMainWindow()
view = pg.GraphicsLayoutWidget()
w.setCentralWidget(view)
plot = view.addPlot()
vals = [(i, random.randint(0, 255)) for i in range(30)]
plot.addItem(LinePlot(vals))
w.show()
sys.exit(app.exec_())
answered Nov 14 '18 at 4:16
eyllanesceyllanesc
77.3k103156
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
0
You can create an item in which the vertical lines are drawn:
from pyqtgraph.Qt import QtGui, QtCore
import pyqtgraph as pg
class LinePlot(pg.GraphicsObject):
def __init__(self, data):
super(LinePlot, self).__init__()
self._data =
self.setData(data)
def setData(self, data):
self._data = data
self.generate()
def generate(self):
self.picture = QtGui.QPicture()
p = QtGui.QPainter(self.picture)
p.setPen(pg.mkPen('r', width=2))
for (t, v) in self._data:
if v != 0:
p.drawLine(QtCore.QPointF(t, 0), QtCore.QPointF(t, v))
def paint(self, p, *args):
p.drawPicture(0, 0, self.picture)
def boundingRect(self):
return QtCore.QRectF(self.picture.boundingRect())
if __name__ == '__main__':
import sys
import random
app = QtGui.QApplication(sys.argv)
w = QtGui.QMainWindow()
view = pg.GraphicsLayoutWidget()
w.setCentralWidget(view)
plot = view.addPlot()
vals = [(i, random.randint(0, 255)) for i in range(30)]
plot.addItem(LinePlot(vals))
w.show()
sys.exit(app.exec_())
answered Nov 14 '18 at 4:16
eyllanesceyllanesc
77.3k103156
add a comment |
0
You can create an item in which the vertical lines are drawn:
from pyqtgraph.Qt import QtGui, QtCore
import pyqtgraph as pg
class LinePlot(pg.GraphicsObject):
def __init__(self, data):
super(LinePlot, self).__init__()
self._data =
self.setData(data)
def setData(self, data):
self._data = data
self.generate()
def generate(self):
self.picture = QtGui.QPicture()
p = QtGui.QPainter(self.picture)
p.setPen(pg.mkPen('r', width=2))
for (t, v) in self._data:
if v != 0:
p.drawLine(QtCore.QPointF(t, 0), QtCore.QPointF(t, v))
def paint(self, p, *args):
p.drawPicture(0, 0, self.picture)
def boundingRect(self):
return QtCore.QRectF(self.picture.boundingRect())
if __name__ == '__main__':
import sys
import random
app = QtGui.QApplication(sys.argv)
w = QtGui.QMainWindow()
view = pg.GraphicsLayoutWidget()
w.setCentralWidget(view)
plot = view.addPlot()
vals = [(i, random.randint(0, 255)) for i in range(30)]
plot.addItem(LinePlot(vals))
w.show()
sys.exit(app.exec_())
answered Nov 14 '18 at 4:16
eyllanesceyllanesc
77.3k103156
add a comment |
0
0
0
You can create an item in which the vertical lines are drawn:
from pyqtgraph.Qt import QtGui, QtCore
import pyqtgraph as pg
class LinePlot(pg.GraphicsObject):
def __init__(self, data):
super(LinePlot, self).__init__()
self._data =
self.setData(data)
def setData(self, data):
self._data = data
self.generate()
def generate(self):
self.picture = QtGui.QPicture()
p = QtGui.QPainter(self.picture)
p.setPen(pg.mkPen('r', width=2))
for (t, v) in self._data:
if v != 0:
p.drawLine(QtCore.QPointF(t, 0), QtCore.QPointF(t, v))
def paint(self, p, *args):
p.drawPicture(0, 0, self.picture)
def boundingRect(self):
return QtCore.QRectF(self.picture.boundingRect())
if __name__ == '__main__':
import sys
import random
app = QtGui.QApplication(sys.argv)
w = QtGui.QMainWindow()
view = pg.GraphicsLayoutWidget()
w.setCentralWidget(view)
plot = view.addPlot()
vals = [(i, random.randint(0, 255)) for i in range(30)]
plot.addItem(LinePlot(vals))
w.show()
sys.exit(app.exec_())
answered Nov 14 '18 at 4:16
eyllanesceyllanesc
77.3k103156
You can create an item in which the vertical lines are drawn:
from pyqtgraph.Qt import QtGui, QtCore
import pyqtgraph as pg
class LinePlot(pg.GraphicsObject):
def __init__(self, data):
super(LinePlot, self).__init__()
self._data =
self.setData(data)
def setData(self, data):
self._data = data
self.generate()
def generate(self):
self.picture = QtGui.QPicture()
p = QtGui.QPainter(self.picture)
p.setPen(pg.mkPen('r', width=2))
for (t, v) in self._data:
if v != 0:
p.drawLine(QtCore.QPointF(t, 0), QtCore.QPointF(t, v))
def paint(self, p, *args):
p.drawPicture(0, 0, self.picture)
def boundingRect(self):
return QtCore.QRectF(self.picture.boundingRect())
if __name__ == '__main__':
import sys
import random
app = QtGui.QApplication(sys.argv)
w = QtGui.QMainWindow()
view = pg.GraphicsLayoutWidget()
w.setCentralWidget(view)
plot = view.addPlot()
vals = [(i, random.randint(0, 255)) for i in range(30)]
plot.addItem(LinePlot(vals))
w.show()
sys.exit(app.exec_())
answered Nov 14 '18 at 4:16
eyllanesceyllanesc
77.3k103156
answered Nov 14 '18 at 4:16
eyllanesceyllanesc
77.3k103156
answered Nov 14 '18 at 4:16
eyllanesceyllanesc
77.3k103156
answered Nov 14 '18 at 4:16
eyllanesceyllanesc
77.3k103156
77.3k103156
add a comment |
add a comment |
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