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# coding: utf-8
#
# Project: Azimuthal integration
# https://github.com/silx-kit/pyFAI
#
# Copyright (C) 2015-2019 European Synchrotron Radiation Facility, Grenoble, France
#
# Principal author: Jérôme Kieffer (Jerome.Kieffer@ESRF.eu)
#
# 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.
"""Module function to manage poni files.
"""
__author__ = "Jerome Kieffer"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
__date__ = "08/01/2021"
__docformat__ = 'restructuredtext'
import collections
import time
import json
import logging
_logger = logging.getLogger(__name__)
import numpy
from .. import detectors
class PoniFile(object):
def __init__(self, data=None):
self._detector = None
self._dist = None
self._poni1 = None
self._poni2 = None
self._rot1 = None
self._rot2 = None
self._rot3 = None
self._wavelength = None
if data is None:
pass
elif isinstance(data, dict):
self.read_from_dict(data)
elif isinstance(data, (str,)):
self.read_from_file(data)
else:
self.read_from_duck(data)
def __repr__(self):
return json.dumps(self.as_dict(), indent=4)
def read_from_file(self, filename):
data = collections.OrderedDict()
with open(filename) as opened_file:
for line in opened_file:
if line.startswith("#") or (":" not in line):
continue
words = line.split(":", 1)
key = words[0].strip().lower()
try:
value = words[1].strip()
except Exception as error: # IGNORE:W0703:
_logger.error("Error %s with line: %s", error, line)
data[key] = value
self.read_from_dict(data)
def read_from_dict(self, config):
"""Initialize this object using a dictionary.
.. note:: The dictionary is versionned.
"""
version = int(config.get("poni_version", 1))
if version == 1:
# Handle former version of PONI-file
if "detector" in config:
self._detector = detectors.detector_factory(config["detector"])
else:
self._detector = detectors.Detector()
if "pixelsize1" in config or "pixelsize2" in config:
if isinstance(self._detector, detectors.NexusDetector):
# NexusDetector is already set
pass
elif self._detector.force_pixel and ("pixelsize1" in config) and ("pixelsize2" in config):
pixel1 = float(config["pixelsize1"])
pixel2 = float(config["pixelsize2"])
self._detector = self._detector.__class__(pixel1=pixel1, pixel2=pixel2)
else:
self._detector = detectors.Detector()
if "pixelsize1" in config:
self._detector.pixel1 = float(config["pixelsize1"])
if "pixelsize2" in config:
self._detector.pixel2 = float(config["pixelsize2"])
if "splinefile" in config:
if config["splinefile"].lower() != "none":
self._detector.set_splineFile(config["splinefile"])
elif version == 2:
detector_name = config["detector"]
detector_config = config["detector_config"]
self._detector = detectors.detector_factory(detector_name, detector_config)
else:
raise RuntimeError("PONI file verison %s too recent. Upgrade pyFAI.", version)
if "distance" in config:
self._dist = float(config["distance"])
if "poni1" in config:
self._poni1 = float(config["poni1"])
if "poni2" in config:
self._poni2 = float(config["poni2"])
if "rot1" in config:
self._rot1 = float(config["rot1"])
if "rot2" in config:
self._rot2 = float(config["rot2"])
if "rot3" in config:
self._rot3 = float(config["rot3"])
if "wavelength" in config:
self._wavelength = float(config["wavelength"])
def read_from_duck(self, duck):
"""Initialize the object using an object providing the same API.
The duck object must provide dist, poni1, poni2, rot1, rot2, rot3,
wavelength, and detector.
"""
assert numpy.isreal(duck.dist)
self._dist = duck.dist
assert numpy.isreal(duck.poni1)
self._poni1 = duck.poni1
assert numpy.isreal(duck.poni2)
self._poni2 = duck.poni2
assert numpy.isreal(duck.rot1)
self._rot1 = duck.rot1
assert numpy.isreal(duck.rot2)
self._rot2 = duck.rot2
assert numpy.isreal(duck.rot3)
self._rot3 = duck.rot3
assert numpy.isreal(duck.wavelength)
self._wavelength = duck.wavelength
self._detector = duck.detector
def write(self, fd):
"""Write this object to an open stream.
"""
fd.write(("# Nota: C-Order, 1 refers to the Y axis,"
" 2 to the X axis \n"))
fd.write("# Calibration done at %s\n" % time.ctime())
fd.write("poni_version: 2\n")
detector = self.detector
fd.write("Detector: %s\n" % detector.__class__.__name__)
fd.write("Detector_config: %s\n" % json.dumps(detector.get_config()))
fd.write("Distance: %s\n" % self._dist)
fd.write("Poni1: %s\n" % self._poni1)
fd.write("Poni2: %s\n" % self._poni2)
fd.write("Rot1: %s\n" % self._rot1)
fd.write("Rot2: %s\n" % self._rot2)
fd.write("Rot3: %s\n" % self._rot3)
if self._wavelength is not None:
fd.write("Wavelength: %s\n" % self._wavelength)
def as_dict(self):
config = collections.OrderedDict([("poni_version", 2)])
config["detector"] = self.detector.__class__.__name__
config["detector_config"] = self.detector.get_config()
config["dist"] = self._dist
config["poni1"] = self._poni1
config["poni2"] = self._poni2
config["rot1"] = self._rot1
config["rot2"] = self._rot2
config["rot3"] = self._rot3
if self._wavelength:
config["wavelength"] = self._wavelength
return config
@property
def detector(self):
""":rtype: Union[None,float]"""
return self._detector
@property
def dist(self):
""":rtype: Union[None,float]"""
return self._dist
@property
def poni1(self):
""":rtype: Union[None,float]"""
return self._poni1
@property
def poni2(self):
""":rtype: Union[None,float]"""
return self._poni2
@property
def rot1(self):
""":rtype: Union[None,float]"""
return self._rot1
@property
def rot2(self):
""":rtype: Union[None,float]"""
return self._rot2
@property
def rot3(self):
""":rtype: Union[None,float]"""
return self._rot3
@property
def wavelength(self):
""":rtype: Union[None,float]"""
return self._wavelength
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