/usr/lib/python2.7/dist-packages/PyMca/PyMcaPlugins/MathPlugins.py is in pymca 4.7.4+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | #/*##########################################################################
# Copyright (C) 2004-2012 European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# This toolkit is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# PyMca is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# PyMca; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# PyMca follows the dual licensing model of Riverbank's PyQt and cannot be
# used as a free plugin for a non-free program.
#
# Please contact the ESRF industrial unit (industry@esrf.fr) if this license
# is a problem for you.
#############################################################################*/
__author__ = "V.A. Sole - ESRF Data Analysis"
import numpy
try:
from PyMca import Plugin1DBase
except ImportError:
from . import Plugin1DBase
try:
import PyMca.PyMca_Icons as PyMca_Icons
import PyMca.SimpleMath as SimpleMath
except ImportError:
#This happens in frozen versions
import PyMca_Icons
import SimpleMath
swapsign = PyMca_Icons.swapsign
derive = PyMca_Icons.derive
class MathPlugins(Plugin1DBase.Plugin1DBase):
def __init__(self, plotWindow, **kw):
Plugin1DBase.Plugin1DBase.__init__(self, plotWindow, **kw)
self.methodDict = {'Invert':[self.invert,
"Multiply active curve by -1",
swapsign],
'Derivate':[self.derivate,
"Derivate zoomed active curve",
derive]}
self.simpleMath = SimpleMath.SimpleMath()
#Methods to be implemented by the plugin
def getMethods(self, plottype=None):
"""
A list with the NAMES associated to the callable methods
that are applicable to the specified plot.
Plot type can be "SCAN", "MCA", None, ...
"""
names = list(self.methodDict.keys())
names.sort()
return names
def getMethodToolTip(self, name):
"""
Returns the help associated to the particular method name or None.
"""
return self.methodDict[name][1]
def getMethodPixmap(self, name):
"""
Returns the pixmap associated to the particular method name or None.
"""
return self.methodDict[name][2]
def applyMethod(self, name):
"""
The plugin is asked to apply the method associated to name.
"""
self.methodDict[name][0]()
return
def invert(self):
activeCurve = self.getActiveCurve()
if activeCurve is None:
return
x, y, legend, info = activeCurve [0:4]
operations = info.get("operations", [])
operations.append("Invert")
info['operations'] = operations
legend = "-("+legend+")"
self.addCurve(x, -y, legend=legend, info=info, replot=True)
def derivate(self):
activeCurve = self.getActiveCurve()
if activeCurve is None:
return
x, y, legend, info = activeCurve [0:4]
xlimits=self.getGraphXLimits()
x, y = self.simpleMath.derivate(x, y, xlimits=xlimits)
info['ylabel'] = info['ylabel'] + "'"
operations = info.get("operations", [])
operations.append("derivate")
info['operations'] = operations
legend = legend+"'"
self.addCurve(x, y, legend=legend, info=info, replot=True)
MENU_TEXT = "Built-in Math"
def getPlugin1DInstance(plotWindow, **kw):
ob = MathPlugins(plotWindow)
return ob
if __name__ == "__main__":
from PyMca import Plot1D
x = numpy.arange(100.)
y = x * x
plot = Plot1D.Plot1D()
plot.addCurve(x, y, "dummy")
plot.addCurve(x+100, -x*x)
plugin = getPlugin1DInstance(plot)
for method in plugin.getMethods():
print(method, ":", plugin.getMethodToolTip(method))
plugin.applyMethod(plugin.getMethods()[0])
curves = plugin.getAllCurves()
for curve in curves:
print(curve[2])
print("LIMITS = ", plugin.getGraphYLimits())
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