88 lines
3.8 KiB
Python
88 lines
3.8 KiB
Python
#/******************************************************************************
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# * Copyright (c)2012 Jan Rheinlaender <jrheinlaender@users.sourceforge.net> *
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# * *
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# * This file is part of the FreeCAD CAx development system. *
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# * *
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# * This library is free software; you can redistribute it and/or *
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# * modify it under the terms of the GNU Library General Public *
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# * License as published by the Free Software Foundation; either *
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# * version 2 of the License, or (at your option) any later version. *
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# * *
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# * This library is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this library; see the file COPYING.LIB. If not, *
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# * write to the Free Software Foundation, Inc., 59 Temple Place, *
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# * Suite 330, Boston, MA 02111-1307, USA *
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# * *
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# ******************************************************************************/
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from PyQt4 import QtCore, QtGui
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import FreeCAD, FreeCADGui
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class Diagram:
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def create(self, title, function, xlength, xname, xunit, xscale, yname, yunit, yscale, numxpoints):
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# Initialize
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import Plot
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self.title = title
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self.function = function # This is assumed to be always a SegmentFunction
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self.xlength = xlength
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self.xname = xname
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self.xunit = xunit
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self.xscale = xscale
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self.yname = yname
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self.yunit = yunit
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self.yscale = yscale
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self.numxpoints = numxpoints
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# Create a plot window
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self.win = Plot.figure(title)
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# Get the plot object from the window
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self.thePlot = Plot.getPlot()
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# Format the plot object
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Plot.xlabel("$%s$ [%s]" % (xname, xunit))
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Plot.ylabel("$%s$ [%s]" % (yname, yunit))
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Plot.grid(True)
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# Calculate points
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(self.xpoints, self.ypoints) = self.function.evaluate(self.xlength, self.numxpoints)
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# Create plot
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self.plot()
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def update(self, function = None, xlength = None):
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if function is not None:
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self.function = function
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if xlength is not None:
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self.xlength = xlength
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# Calculate points
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(self.xpoints, self.ypoints) = self.function.evaluate(self.xlength, self.numxpoints)
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# Create plot
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self.plot()
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def plot(self):
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plots = self.thePlot.series
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if plots:
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# Remove line from plot
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axes = plots[0].axes
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axes.lines.pop(plots[0].lid)
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# Remove serie from list
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del self.thePlot.series[0]
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self.thePlot.update()
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self.xpoints = [p * self.xscale for p in self.xpoints]
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self.ypoints = [p * self.yscale for p in self.ypoints]
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self.thePlot.plot(self.xpoints, self.ypoints)
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plots = self.thePlot.series
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axes = plots[0].axes
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axes.set_xlim(right = max(self.xpoints) * 1.05)
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axes.set_ylim(min(self.ypoints) * 1.05, max(self.ypoints) * 1.05)
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self.thePlot.update()
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def close(self):
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# Close the associated mdiSubWindow
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self.win.parent().close()
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