4d846e2aad
- disabled opengl (performance issues in Qt 4.7)
- numerous caching changes (disabled deviceCoordinateCache due to performance issues)
- speed up loading large images in ImageView
- bugfixes from Ingo Breßler
- Transform rotation bugfix
- Added debug module
- Major performance enhancements for scatterplot, fixed point clicking issues
** API change for scatterplot click signals
- Drawing on ImageItem is working well now
- PlotItem downsampling no longer uses scipy.signal.resample (this was creating artifacts)
- Fixed ViewBox behavior when aspect-locked
30 lines
660 B
Python
Executable File
30 lines
660 B
Python
Executable File
# -*- coding: utf-8 -*-
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## Add path to library (just for examples; you do not need this)
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import sys, os
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..'))
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import numpy as np
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from PyQt4 import QtGui, QtCore
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import pyqtgraph as pg
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app = QtGui.QApplication([])
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mw = QtGui.QMainWindow()
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mw.resize(800,800)
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p = pg.PlotWidget()
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mw.setCentralWidget(p)
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c = p.plot(x=np.sin(np.linspace(0, 2*np.pi, 100)), y=np.cos(np.linspace(0, 2*np.pi, 100)))
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a = pg.CurveArrow(c)
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p.addItem(a)
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mw.show()
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anim = a.makeAnimation(loop=-1)
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anim.start()
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## Start Qt event loop unless running in interactive mode.
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if sys.flags.interactive != 1:
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app.exec_()
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