def paintEvent(self, event):
self._painter = QtGui.QPainter()
self._painter.begin(self)
self._painter.fillRect(0, 0, self.width(), self.height(),
self._bgColor)
os.environ["GKSconid"] = getGKSConnectionId(self, self._painter)
self.draw(self._clear, self._update)
gr.updatews()
self._painter.end()
def printDialog(self, documentName="qtgr-untitled"):
printer = QtGui.QPrinter(QtGui.QPrinter.HighResolution)
printer.setDocName(documentName)
painter = QtGui.QPainter()
dlg = QtGui.QPrintDialog(printer)
if dlg.exec_() == QtGui.QPrintDialog.Accepted:
painter.begin(printer)
os.environ["GKSconid"] = getGKSConnectionId(self, painter)
# upscaling to paper size and
# alignment (horizontal and vertical centering)
xscale = printer.pageRect().width() / float(self.width())
yscale = printer.pageRect().height() / float(self.height())
scale = min(xscale, yscale)
painter.translate(
printer.paperRect().x() + printer.pageRect().width() / 2,
printer.paperRect().y() + printer.pageRect().height() / 2)
painter.scale(scale, scale)
painter.translate(-self.width() / 2, -self.height() / 2)
self.draw(True)
gr.updatews()
painter.end()
def main(*args):
app = QtGui.QApplication(*args)
grw = InteractiveGRWidget()
viewport = [0.1, 0.88, 0.1, 0.88]
xd = [3, 3, 10, 18, 18, 10, 10, 5, 1, 15, 20, 5, 15, 10, 7, 13, 16]
yd = [3, 18, 18, 3, 18, 10, 1, 5, 10, 5, 10, 15, 15, 15, 20, 20, 8]
zd = [25, 25, 25, 25, 25, -5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 25]
axes = ContourAxes(viewport)
axes.addCurves(PlotContour(xd, yd, zd, nx=40, ny=40))
axes.setGrid(False)
plot = Plot(viewport).addAxes(axes)
plot.title = "Plot contour lines using QtGR"
grw.addPlot(plot)
grw.resize(QtCore.QSize(500, 500))
grw.show()
win = axes.getWindow()
grw.update()
sys.exit(app.exec_())
def main(*args):
app = QtGui.QApplication(*args)
grw = InteractiveGRWidget()
viewport = [0.1, 0.88, 0.1, 0.88]
z = readfile(
os.path.join(os.path.dirname(os.path.realpath(__file__)), "fecr.dat"))
zd = np.asarray(z)
xd = yd = np.arange(1, 201)
axes = ContourAxes(viewport)
axes.addCurves(PlotSurface(xd, yd, zd, option=gr.OPTION_CELL_ARRAY))
axes.addCurves(PlotContour(xd, yd, zd))
axes.setGrid(False)
plot = Plot(viewport).addAxes(axes)
plot.title = "Plot surface and contour lines using QtGR"
grw.addPlot(plot)
grw.resize(QtCore.QSize(500, 500))
grw.show()
win = axes.getWindow()
grw.update()
sys.exit(app.exec_())
def main(*args):
app = QtGui.QApplication(sys.argv)
mainWin = MainWindow()
mainWin.resize(QtCore.QSize(500, 500))
mainWin.show()
sys.exit(app.exec_())
# delta percent
dpercent = event.getSteps() * .1
self._zoom(dpercent, event.getNDC())
def pickMove(self, event):
self._pickEvent = event
self.update()
if __name__ == "__main__":
import sys
from gr import pygr
logging.basicConfig(level=logging.CRITICAL)
for name in [__name__, pygr.base.__name__, pygr.__name__]:
logging.getLogger(name).setLevel(logging.DEBUG)
app = QtGui.QApplication(sys.argv)
grw = InteractiveGRWidget()
grw.resize(QtCore.QSize(500, 500))
viewport = [0.1, 0.45, 0.1, 0.88]
vp2 = [.6, .95, .1, .88]
x = [-3.3 + t * .1 for t in range(66)]
y = [t**5 - 13 * t**3 + 36 * t for t in x]
n = 100
pi2_n = 2. * math.pi / n
x2 = [i * pi2_n for i in range(0, n + 1)]
y2 = map(lambda xi: math.sin(xi), x2)
plot = Plot(viewport).addAxes(
PlotAxes(viewport).plot(x, y),