Hey folks,
my problem may be obvious, but i can't seem to copy a plot from one canvas
to another.
# I have this object where whichCanvas is an instance of MplWidget (code
shown below)
self.whichCanvas.canvas.ax.plot(xData, yData, 'bo', linewidth=1.5,
linestyle='-')
# I want to copy the plot and axes to another MplWidget object
self.anotherCanvas.canvas
I've tried:
self.anotherCanvas.canvas.ax = self.whichCanvas.canvas.ax
self.anotherCanvas.canvas.draw()
and
self.anotherCanvas.canvas = self.whichCanvas.canvas
self.anotherCanvas.canvas.draw()
the plot doesn't seem to copy. Does any body more familiar with matplotlib
have any suggestions?
This is the MplWidget Class
***************************** MplWidget *******************************
from PyQt4 import QtGui
from matplotlib.backends.backend_qt4agg \
import FigureCanvasQTAgg as FigureCanvas
from matplotlib.figure import Figure
class MplCanvas(FigureCanvas):
def __init__(self):
self.fig = Figure()
self.ax = self.fig.add_subplot(111)
FigureCanvas.__init__(self, self.fig)
FigureCanvas.setSizePolicy(self,
QtGui.QSizePolicy.Expanding,
QtGui.QSizePolicy.Expanding)
FigureCanvas.updateGeometry(self)
class MplWidget(QtGui.QWidget):
def __init__(self, parent = None):
QtGui.QWidget.__init__(self, parent)
self.canvas = MplCanvas()
self.vbl = QtGui.QVBoxLayout()
self.vbl.addWidget(self.canvas)
self.setLayout(self.vbl)
Regards,
Dave Tung
cell: 925-321-6657
office: 510-353-4770
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