pyqtgraph/examples/relativity_demo.py

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# -*- coding: utf-8 -*-
"""
Special relativity simulation
"""
import initExample ## Add path to library (just for examples; you do not need this)
import pyqtgraph as pg
from relativity import RelativityGUI
pg.mkQApp()
win = RelativityGUI()
win.setWindowTitle("Relativity!")
win.resize(1100,700)
win.show()
win.loadPreset(None, 'Twin Paradox (grid)')
## Start Qt event loop unless running in interactive mode or using pyside.
if __name__ == '__main__':
import sys
if (sys.flags.interactive != 1) or not hasattr(pg.QtCore, 'PYQT_VERSION'):
pg.QtGui.QApplication.instance().exec_()