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#/*##########################################################################
# Copyright (C) 2004-2020 European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
#############################################################################*/
"""This plugin provide simple math functions, to derivate or invert the
active curve.
"""
__author__ = "V.A. Sole"
__contact__ = "sole@esrf.fr"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
import numpy
try:
from PyMca5 import Plugin1DBase
except ImportError:
from . import Plugin1DBase
from PyMca5.PyMcaGui import PyMca_Icons
import PyMca5.PyMcaMath.SimpleMath as 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],
'Derivate 3':[self.derivate3,
"3-point Smoothed Derivative of zoomed active curve",
derive],
'Derivate 5':[self.derivate5,
"5-point Smoothed Derivative of 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, option="Single point"):
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, option=option)
info['ylabel'] = info['ylabel'] + "'"
operations = info.get("operations", [])
operations.append("derivate")
info['operations'] = operations
info['plot_yaxis'] = "right"
legend = legend+"'"
self.addCurve(x, y, legend=legend, info=info, replot=True)
def derivate3(self):
return self.derivate(option="SG Smoothed 3 point")
def derivate5(self):
return self.derivate(option="SG Smoothed 5 point")
MENU_TEXT = "Built-in Math"
def getPlugin1DInstance(plotWindow, **kw):
ob = MathPlugins(plotWindow)
return ob
if __name__ == "__main__":
from PyMca5.PyMcaGraph import Plot
x = numpy.arange(100.)
y = x * x
plot = Plot.Plot()
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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