#!/usr/bin/env python
#/*##########################################################################
#
# The PyMca X-Ray Fluorescence Toolkit
#
# Copyright (c) 2004-2014 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.
#
#############################################################################*/
__author__ = "V.A. Sole - ESRF Data Analysis"
__contact__ = "sole@esrf.fr"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
"""
This class just puts in evidence the Specfile methods called from
PyMca.
It can be used to wrap other formats as specile
"""
import os
import numpy
DEBUG = 0
[docs]class SpecFileAbstractClass(object):
def __init__(self, filename):
if not os.path.exists(filename):
return None
self.motorNames = []
[docs] def list(self):
"""
If there is only one scan returns 1:1
with two scans returns 1:2
"""
if DEBUG:
print("list method called")
return "1:1"
def __getitem__(self, item):
"""
Returns the scan data
"""
if DEBUG:
print("__getitem__ called")
return self.scandata[item]
[docs] def select(self, key):
"""
key is of the from s.o
scan number, scan order
"""
n = key.split(".")
return self.__getitem__(int(n[0])-1)
[docs] def scanno(self):
"""
Gives back the number of scans in the file
"""
return 0
[docs] def allmotors(self):
return self.motorNames
[docs]class SpecFileAbstractScan(object):
def __init__(self, data, scantype=None, identification=None, scanheader=None, labels=None,point=True):
if identification is None:identification='1.1'
if scantype is None:scantype='SCAN'
self.scanheader = scanheader
if hasattr(data, "shape"):
if len(data.shape) == 1:
data.shape = -1, 1
self.__point = point
if scantype == 'SCAN':
(rows, cols) = data.shape
if self.__point:
self.__data = numpy.zeros((rows, cols +1 ), numpy.float32)
self.__data[:,0] = numpy.arange(rows) * 1.0
self.__data[:,1:] = data * 1
self.__cols = cols + 1
self.labels = ['Point']
else:
self.__data = numpy.zeros((rows, cols), numpy.float32)
self.__data[:,0:] = data * 1
self.__cols = cols
self.labels = []
else:
self.__data = data
if isinstance(self.__data, numpy.ndarray):
(rows, cols) = data.shape
else:
#we have a list of MCAs
rows = 0
cols = len(data)
self.__cols = cols
self.labels = []
self.scantype = scantype
self.rows = rows
if labels is None:
for i in range(cols):
self.labels.append('Column %d' % i)
else:
for label in labels:
self.labels.append('%s' % label)
n = identification.split(".")
self.__number = int(n[0])
self.__order = int(n[1])
[docs] def alllabels(self):
"""
These are the labels associated to the counters
"""
if self.scantype == 'SCAN':
return self.labels
else:
return []
[docs] def allmotorpos(self):
return []
[docs] def cols(self):
return self.__cols
[docs] def command(self):
if DEBUG:
print("command called")
text = ""
if self.scanheader is not None:
if len(self.scanheader):
text = self.scanheader[0]
return text
[docs] def data(self):
return numpy.transpose(self.__data)
[docs] def datacol(self,col):
return self.__data[:,col]
[docs] def dataline(self,line):
return self.__data[line,:]
[docs] def date(self):
text = 'sometime'
return text
[docs] def order(self):
return self.__order
[docs] def number(self):
return self.__number
[docs] def lines(self):
if self.scantype == 'SCAN':
return self.rows
else:
return 0
[docs] def nbmca(self):
if self.scantype == 'SCAN':
return 0
else:
return self.__cols
[docs] def mca(self,number):
if number <= 0:
raise IndexError("Mca numbering starts at 1")
elif number > self.nbmca():
raise IndexError("Only %d MCAs in file" % self.nbmca())
if hasattr(self.__data, "shape"):
return self.__data[:,number-1]
else:
return self.__data[number-1]
if __name__ == "__main__":
test()