# Copyright (C) 2017 DESY, Notkestr. 85, D-22607 Hamburg
#
# lavue is an image viewing program for photon science imaging detectors.
# Its usual application is as a live viewer using hidra as data source.
#
# This program 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 in version 2
# of the License.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
#
# Authors:
# Christoph Rosemann <christoph.rosemann@desy.de>
# Jan Kotanski <jan.kotanski@desy.de>
#
""" live viewer image display base it on a qt dialog """
import zmq
import sys
import json
from pyqtgraph import QtCore
from .sardanaUtils import numpyEncoder
if sys.version_info > (3,):
unicode = str
try:
__import__("pyFAI")
#: (:obj:`bool`) pyFAI imported
PYFAI = True
except ImportError:
#: (:obj:`bool`) pyFAI imported
PYFAI = False
[docs]class Settings(object):
""" lavue configuration settings """
def __init__(self):
""" constructor
"""
#: (:obj:`bool`) sardana enabled
self.sardana = True
#: (:obj:`bool`) add rois to sardana
self.addrois = False
#: (:obj:`bool`) fetch rois order enabled
self.orderrois = False
#: (:obj:`bool`) search for security stream port automatically
self.secautoport = True
#: (:obj:`bool`) show intensity hostogram
self.showhisto = True
#: (:obj:`bool`) show intensity hostogram
self.showaddhisto = False
#: (:obj:`bool`) show mask widget
self.showmask = False
#: (:obj:`bool`) map image sources to color channels
self.imagechannels = False
#: (:obj:`bool`) show high mask value widget
self.showhighvaluemask = False
#: (:obj:`bool`) show intensity overflow widget
self.showoverflow = False
#: (:obj:`bool`) show statistics widget
self.showstats = True
#: (:obj:`bool`) show image step widget
self.showsteps = True
#: (:obj:`bool`) calculate variance
self.calcvariance = False
#: (:obj:`bool`) show bakcground subtraction widget
self.showsub = True
#: (:obj:`bool`) show image normalization widget
self.shownorm = True
#: (:obj:`bool`) show bakcground subtraction scaling factor widget
self.showsubsf = False
#: (:obj:`bool`) show image normalization scaling factor widget
self.shownormsf = False
#: (:obj:`bool`) show transformation widget
self.showtrans = True
#: (:obj:`bool`) show memory buffer widget
self.showmbuffer = False
#: (:obj:`bool`) show range window widget
self.showrange = False
#: (:obj:`bool`) show filter widget
self.showfilters = False
#: (:obj:`bool`) show intensity scale widget
self.showscale = True
#: (:obj:`bool`) show intensity levels widget
self.showlevels = True
#: (:obj:`bool`) show frame rate widget
self.showframerate = True
#: (:obj:`bool`) image aspect ratio locked
self.aspectlocked = False
#: (:obj:`bool`) auto down sample
self.autodownsample = False
#: (:obj:`bool`) keep original coordinates
self.keepcoords = False
#: (:obj:`bool`) accelerate buffer sum
self.accelbuffersum = False
#: (:obj:`bool`) image channels shown with gradient colors
self.gradientcolors = False
#: (:obj:`bool`) lazy image slider
self.lazyimageslider = True
#: (:obj:`str`) security stream port
self.secport = "5657"
#: (:obj:`str`) hidra data port
self.hidraport = '["50001"]'
#: (:obj:`str`) maximal number of images in memory buffer
self.maxmbuffersize = "1000"
#: (:obj:`int`) number of image sources
self.nrsources = 1
#: (:obj:`int`) image source timeout for connection
self.timeout = 3000
#: (:class:`zmq.Context`) zmq context
self.seccontext = zmq.Context()
#: (:class:`zmq.Socket`) zmq security stream socket
self.secsocket = self.seccontext.socket(zmq.PUB)
#: (:obj:`bool`) zmq colon configuration separator
self.zmqcolon = False
#: (:obj:`bool`) security stream enabled
self.secstream = False
#: (:obj:`bool`) zero mask enabled
self.zeromask = False
#: (:obj:`bool`) nan mask enabled
self.nanmask = True
#: (:obj:`bool`) adding maximal type value to negative high value mask
self.negmask = False
#: (:obj:`bool`) security stream options
self.secsockopt = b""
#: (:obj:`float`) refresh time is s
self.refreshtime = 0.2
#: (:obj:`bool`) auto enlarge refresh time
self.autorefreshtime = True
#: (:obj:`float`) tool refresh time is s
self.toolrefreshtime = 0.02
#: (:obj:`float`) tool polling interval is s
self.toolpollinginterval = 1.0
#: (:obj:`bool`) interrupt on error
self.interruptonerror = True
#: (:obj:`str`) last image file name
self.imagename = None
#: (:obj:`str`) calibration file name
self.calibrationfilename = None
#: (:obj:`str`) last mask image file name
self.maskimagename = None
#: (:obj:`str`) last background/darkfield image file name
self.bkgimagename = None
#: (:obj:`str`) last brightfield image file name
self.bfimagename = None
#: (:obj:`bool`) statistics without scaling
self.statswoscaling = True
#: (:obj:`list` < :obj:`str` > ) zmq source topics
self.zmqtopics = []
#: (:obj:`bool`) automatic zmq source topics
self.autozmqtopics = False
#: (:obj:`str`) file name translation json dictionary
self.dirtrans = '{"/ramdisk/": "/gpfs/"}'
#: (:obj:`str`) JSON dictionary with {label: tango attribute}
# for Tango Attribute source
self.tangoattrs = '{}'
#: (:obj:`str`) JSON dictionary with {label: tango detector attribute}
# for Tango Attribute source
self.tangodetattrs = '{}'
#: (:obj:`str`) JSON dictionary with {label: tina properties}
# for Tine Property source
self.tineprops = '{}'
#: (:obj:`str`) JSON dictionary with {label: epics PV name}
# for Epics PV source
self.epicspvnames = '{}'
#: (:obj:`str`) JSON dictionary with {label: epics PV shape}
# for Epics PV source
self.epicspvshapes = '{}'
#: (:obj:`str`) JSON dictionary with {label: doocs property}
# for DOOCS Property source
self.doocsprops = '{}'
#: (:obj:`str`) JSON dictionary with {label: tango attribute}
# for Tango Attribute Events source
self.tangoevattrs = '{}'
#: (:obj:`str`) JSON dictionary with {label: file tango attribute}
# for Tango Attribute source
self.tangofileattrs = '{}'
#: (:obj:`str`) JSON dictionary with {label: dir tango attribute}
# for Tango Attribute source
self.tangodirattrs = '{}'
#: (:obj:`str`) JSON dictionary with {label: url}
# for HTTP responce source
self.httpurls = '{}'
#: (:obj:`str`) JSON dictionary with {label: <server:port>}
# for ZMQ source
self.zmqservers = '{}'
#: (:obj:`str`) door device name
self.doorname = ""
#: (:obj:`str`) analysis device name
self.analysisdevice = ""
#: (:obj:`bool`) nexus file source keeps the file open
self.nxsopen = False
#: (:obj:`bool`) nexus file source starts from the last image
self.nxslast = False
#: (:obj:`list` < :obj:`str`>) hidra detector server list
self.detservers = "[]"
#: (:obj:`str`) asapo server
self.asaposerver = ""
#: (:obj:`str`) asapo token
self.asapotoken = ""
#: (:obj:`str`) asapo beamtime id
self.asapobeamtime = ""
#: (:obj:`str`) asapo sourcepath
self.asaposourcepath = ""
#: (:obj:`str`) asapo beamline metadata file
self.asapobtmetafile = "/gpfs/current/beamtime-metadata-*.json"
#: (:obj:`list` < :obj:`str` > ) asapo datasources
self.asapodatasources = []
#: (:obj:`bool`) use default detector servers
self.defdetservers = True
#: (:obj:`bool`) store detector geometry
self.storegeometry = False
#: (:obj:`bool`) fetch geometry from source
self.geometryfromsource = False
#: (:obj:`bool`) crosshair locker switched on
self.crosshairlocker = True
#: (:obj:`str`) json list with roi colors
self.roiscolors = "[]"
#: (:obj:`str`) float type for pixel intensity
self.floattype = "float"
#: (:obj:`str`) json list with overflow color
self.overflowcolor = "[255, 255, 255]"
#: (:obj:`str`) json list with filters
self.filters = "[]"
#: (:obj:`str`) json list with image source widget names
self.imagesources = "[]"
#: (:obj:`str`) json list with tool widget names
self.toolwidgets = "[]"
#: (:class:`pyFAI.azimuthalIntegrator.AzimuthalIntegrator`)
# azimuthal integrator
self.ai = None
#: (:class:`pyFAI.azimuthalIntegrator.AzimuthalIntegrator`)
# azimuthal integrator
#: (:class:`pyqtgraph.QtCore.QMutex`) ai mutex
self.aimutex = QtCore.QMutex()
#: (:obj:`float`) x-coordinates of the center of the image
self.centerx = 0.0
#: (:obj:`float`) y-coordinates of the center of the image
self.centery = 0.0
#: (:obj:`float`) energy in eV
self.energy = 0.0
#: (:obj:`float`) pixel x-size in um
self.pixelsizex = 0.0
#: (:obj:`float`) pixel y-size in um
self.pixelsizey = 0.0
#: (:obj:`float`) detector distance in mm
self.detdistance = 0.0
#: (:obj:`float`) poni1 parameter in m
self.detponi1 = 0.0
#: (:obj:`float`) poni2 parameter in m
self.detponi2 = 0.0
#: (:obj:`float`) rot1 parameter in rad
self.detrot1 = 0.0
#: (:obj:`float`) rot2 parameter in rad
self.detrot2 = 0.0
#: (:obj:`float`) rot3 parameter in rad
self.detrot3 = 0.0
#: (:obj:`str`) detector name
self.detname = ""
#: (:obj:`str`) detector splineFile
self.detsplinefile = ""
#: (:obj:`int`) number of points for diffractogram
self.diffnpt = 1000
#: (:obj:`bool`) correct solid angle flag
self.correctsolidangle = True
#: (:obj:`bool`) show all rois flag
self.showallrois = False
#: (:obj:`bool`) single rois flag
self.singlerois = False
#: (:obj:`bool`) display roi aliases on the 2d image
self.labelrois = False
#: (:obj:`bool`) send rois to LavueController flag
self.sendrois = False
#: (:obj:`bool`) send results to LavueController flag
self.sendresults = False
#: (:obj:`dict` < :obj:`str`, :obj:`dict` < :obj:`str`,`any`> >
# custom gradients
self.__customgradients = {}
#: (:obj:`bool`) store display parameters for specific sources
self.sourcedisplay = False
#: (:obj:`dict` < :obj:`str`, :obj:`dict` < :obj:`str`,`any`> >
# source display dictionary
self.__sourcedisplay = {}
self.__units = {
'eV': ['eV'],
'keV': ['keV'],
'MeV': ['MeV'],
'A': ['A', 'Angstrom'],
'm': ['m', 'meter', 'metre'],
'nm': ['nm', 'nanometer', 'nanometre'],
'um': ['um', 'micrometer', 'micrometre'],
'mm': ['mm', 'millimeter', 'millimetre'],
'cm': ['cm', 'centimeter', 'centimetre'],
'km': ['km', 'kilometer', 'kilometre'],
'pixel': ['pixels', 'pixel'],
}
#: (:class:`pyqtgraph.QtCore.QMutex`) settings mutex
self.__mutex = QtCore.QMutex()
[docs] def setCustomGradients(self, gradients):
""" sets custom gradients
:param gradients: custom gradients
:type gradients: :obj:`dict` <:obj:`str`, `any`>
"""
with QtCore.QMutexLocker(self.__mutex):
self.__customgradients = dict(gradients)
[docs] def customGradients(self):
""" sets source display parameters
:returns: custom gradients
:rtype: :obj:`dict` <:obj:`str`, `any`>
"""
gradients = {}
with QtCore.QMutexLocker(self.__mutex):
gradients = dict(self.__customgradients)
return gradients
[docs] def setSourceDisplay(self, source, values):
""" sets source display parameters
:param source: source name
:type source: :obj:`str`
:param values: display parameter dictionary
:type values: :obj:`dict` <:obj:`str`, `any`>
"""
with QtCore.QMutexLocker(self.__mutex):
if source and isinstance(values, dict):
self.__sourcedisplay[str(source)] = values
[docs] def sourceDisplay(self, source):
""" gets source display parameters
:param source: source name
:type source: :obj:`str`
:returns: display parameter dictionary
:rtype: :obj:`dict` <:obj:`str`, `any`>
"""
values = None
with QtCore.QMutexLocker(self.__mutex):
if source in self.__sourcedisplay.keys():
values = dict(self.__sourcedisplay[str(source)])
if 'maskfile' not in values.keys():
values['maskfile'] = None
if 'bkgfile' not in values.keys():
values['bkgfile'] = None
if 'levels' not in values.keys() and \
'autofactor' in values.keys():
if not values['autofactor']:
values['autofactor'] = ''
return values
[docs] def load(self, settings):
""" load settings
:param settings: QSettings object
:type settings: :class:`pyqtgraph.QtCore.QSettings`
:returns: error messages list
:rtype: :obj:`list` < (:obj:`str`, :obj:`str`) >
"""
status = []
qstval = str(settings.value("Configuration/Sardana", type=str))
if qstval.lower() == "false":
self.sardana = False
else:
self.sardana = True
qstval = str(settings.value("Configuration/AddROIs", type=str))
if qstval.lower() == "true":
self.addrois = True
qstval = str(settings.value("Configuration/OrderROIs", type=str))
if qstval.lower() == "true":
self.orderrois = True
qstval = str(settings.value("Configuration/ImageChannels", type=str))
if qstval.lower() == "true":
self.imagechannels = True
qstval = str(settings.value("Configuration/SecAutoPort", type=str))
if qstval.lower() == "false":
self.secautoport = False
qstval = str(settings.value("Configuration/FloatType", type=str))
if qstval.lower() in ["float", "float32", "float64"]:
self.floattype = qstval.lower()
else:
self.floattype = "float"
qstval = str(settings.value(
"Configuration/ShowSubtraction", type=str))
if qstval.lower() == "false":
self.showsub = False
qstval = str(settings.value(
"Configuration/ShowNormalization", type=str))
if qstval.lower() == "false":
self.shownorm = False
qstval = str(settings.value(
"Configuration/ShowSubtractionScaling", type=str))
if qstval.lower() == "true":
self.showsubsf = True
qstval = str(settings.value(
"Configuration/ShowNormalizationScaling", type=str))
if qstval.lower() == "true":
self.shownormsf = True
qstval = str(settings.value(
"Configuration/ShowTransformations", type=str))
if qstval.lower() == "false":
self.showtrans = False
qstval = str(settings.value(
"Configuration/ShowIntensityScaling", type=str))
if qstval.lower() == "false":
self.showscale = False
qstval = str(settings.value(
"Configuration/ShowIntensityLevels", type=str))
if qstval.lower() == "false":
self.showlevels = False
qstval = str(settings.value(
"Configuration/ShowFrameRate", type=str))
if qstval.lower() == "false":
self.showframerate = False
qstval = str(settings.value("Configuration/ShowHistogram", type=str))
if qstval.lower() == "false":
self.showhisto = False
qstval = str(settings.value("Configuration/ShowRangeWindowWidget",
type=str))
if qstval.lower() == "true":
self.showrange = True
qstval = str(settings.value("Configuration/ShowFilterWidget",
type=str))
if qstval.lower() == "true":
self.showfilters = True
qstval = str(settings.value("Configuration/ShowMemoryBuffer",
type=str))
if qstval.lower() == "true":
self.showmbuffer = True
qstval = str(settings.value("Configuration/ShowAdditionalHistogram",
type=str))
if qstval.lower() == "true":
self.showaddhisto = True
qstval = str(settings.value("Configuration/ShowMaskWidget", type=str))
if qstval.lower() == "true":
self.showmask = True
qstval = str(settings.value(
"Configuration/ShowHighValueMaskWidget", type=str))
if qstval.lower() == "true":
self.showhighvaluemask = True
qstval = str(settings.value(
"Configuration/ShowOverflowWidget", type=str))
if qstval.lower() == "true":
self.showoverflow = True
qstval = str(settings.value("Configuration/ShowStatistics", type=str))
if qstval.lower() == "false":
self.showstats = False
qstval = str(settings.value("Configuration/ShowImageSteps", type=str))
if qstval.lower() == "false":
self.showsteps = False
qstval = str(settings.value("Configuration/CrossHairLocker", type=str))
if qstval.lower() == "false":
self.crosshairlocker = False
qstval = str(settings.value(
"Configuration/CalculateVariance", type=str))
if qstval.lower() == "true":
self.calcvariance = True
qstval = str(settings.value("Configuration/AspectLocked", type=str))
if qstval.lower() == "true":
self.aspectlocked = True
qstval = str(settings.value("Configuration/AutoDownSample", type=str))
if qstval.lower() == "true":
self.autodownsample = True
qstval = str(settings.value(
"Configuration/KeepOriginalCoordinates", type=str))
if qstval.lower() == "true":
self.keepcoords = True
qstval = str(settings.value(
"Configuration/AccelerateBufferSum", type=str))
if qstval.lower() == "true":
self.accelbuffersum = True
qstval = str(settings.value(
"Configuration/ChannelsWithGradientColors", type=str))
if qstval.lower() == "true":
self.gradientcolors = True
qstval = str(settings.value(
"Configuration/LazyImageSlider", type=str))
if qstval.lower() == "false":
self.lazyimageslider = False
qstval = str(settings.value("Configuration/NXSFileOpen", type=str))
if qstval.lower() == "true":
self.nxsopen = True
qstval = str(settings.value("Configuration/NXSLastImage", type=str))
if qstval.lower() == "true":
self.nxslast = True
qstval = str(settings.value(
"Configuration/SingleROIAliases", type=str))
if qstval.lower() == "true":
self.singlerois = True
qstval = str(settings.value(
"Configuration/LabelROIsWithAliases", type=str))
if qstval.lower() == "true":
self.labelrois = True
qstval = str(settings.value("Configuration/SendROIs", type=str))
if qstval.lower() == "true":
self.sendrois = True
qstval = str(settings.value("Configuration/SendToolResults", type=str))
if qstval.lower() == "true":
self.sendresults = True
qstval = str(settings.value("Configuration/ShowAllROIs", type=str))
if qstval.lower() == "true":
self.showallrois = True
qstval = str(settings.value("Configuration/SecPort", type=str))
try:
int(qstval)
self.secport = str(qstval)
except Exception:
pass
qstval = str(settings.value("Configuration/HidraDataPort", type=str))
if qstval.startswith("["):
try:
ports = json.loads(qstval)
for port in ports:
int(port)
self.hidraport = qstval
except Exception:
for port in qstval:
int(port)
self.hidraport = json.dumps(
[str(tp) for tp in qstval], cls=numpyEncoder)
else:
try:
int(qstval)
self.hidraport = json.dumps([str(qstval)], cls=numpyEncoder)
except Exception:
pass
qstval = str(settings.value("Configuration/MaxBufferSize", type=str))
try:
self.maxmbuffersize = str(qstval)
int(self.maxmbuffersize)
except Exception:
self.maxmbuffersize = "1000"
qstval = str(settings.value("Configuration/SourceTimeout", type=str))
try:
int(qstval)
self.timeout = int(qstval)
except Exception:
pass
qstval = str(settings.value(
"Configuration/NumberOfImageSources", type=str))
try:
int(qstval)
self.nrsources = int(qstval)
except Exception:
pass
qstval = str(settings.value(
"Configuration/MaskingWithZeros", type=str))
if qstval.lower() == "true":
self.zeromask = True
qstval = str(settings.value(
"Configuration/MaskingAsNAN", type=str))
if qstval.lower() == "false":
self.nanmask = False
qstval = str(settings.value(
"Configuration/AddMaxValueToNegativeMask", type=str))
if qstval.lower() == "true":
self.negmask = True
qstval = str(settings.value("Configuration/SecStream", type=str))
if qstval.lower() == "true":
try:
if self.secautoport:
self.secsockopt = b"tcp://*:*"
self.secsocket.bind(self.secsockopt)
self.secport = unicode(self.secsocket.getsockopt(
zmq.LAST_ENDPOINT)).split(":")[-1]
if self.secport.endswith("'"):
self.secport = self.secport[:-1]
else:
self.secsockopt = b"tcp://*:%s" % self.secport
self.secsocket.bind(self.secsockopt)
self.secstream = True
except Exception:
self.secstream = False
import traceback
value = traceback.format_exc()
text = "lavue: Cannot connect to: %s" % self.secsockopt
status = [(text, value)]
qstval = str(settings.value(
"Configuration/ZMQColonSeparator", type=str))
if qstval.lower() == "true":
self.zmqcolon = True
else:
self.zmqcolon = False
try:
rt = settings.value("Configuration/RefreshTime", type=str)
if not rt:
rt = settings.value("Configuration/RefreshRate", type=str)
self.refreshtime = float(rt)
except Exception:
pass
qstval = str(
settings.value("Configuration/AutoEnlargeRefreshTime", type=str))
if qstval.lower() == "false":
self.autorefreshtime = False
elif qstval.lower() == "true":
self.autorefreshtime = True
try:
self.toolrefreshtime = float(
settings.value("Configuration/ToolRefreshTime", type=str))
except Exception:
pass
try:
self.toolpollinginterval = float(
settings.value("Configuration/ToolPollingInterval", type=str))
except Exception:
pass
qstval = str(
settings.value("Configuration/InterruptOnError", type=str))
if qstval.lower() == "false":
self.interruptonerror = False
elif qstval.lower() == "true":
self.interruptonerror = True
qstval = str(
settings.value("Configuration/LastImageFileName", type=str))
if qstval:
self.imagename = qstval
qstval = str(
settings.value("Configuration/LastMaskImageFileName", type=str))
if qstval:
self.maskimagename = qstval
qstval = str(
settings.value(
"Configuration/LastBackgroundImageFileName", type=str))
if qstval:
self.bkgimagename = qstval
qstval = str(
settings.value(
"Configuration/LastBrightFieldImageFileName", type=str))
if qstval:
self.bfimagename = qstval
qstval = str(
settings.value("Configuration/LastCalibrationFileName", type=str))
if qstval:
self.calibrationfilename = qstval
qstval = str(
settings.value(
"Configuration/StatisticsWithoutScaling", type=str))
if qstval.lower() == "false":
self.statswoscaling = False
qstval = \
settings.value(
"Configuration/ImageSources", type=str)
if qstval:
self.imagesources = str(qstval)
qstval = \
settings.value(
"Configuration/ToolWidgets", type=str)
if qstval:
self.toolwidgets = str(qstval)
qstval = \
settings.value(
"Configuration/ZMQStreamTopics", type=str)
if qstval:
try:
self.zmqtopics = json.loads(qstval)
except Exception:
self.zmqtopics = [str(tp) for tp in qstval]
qstval2 = \
settings.value(
"Configuration/ASAPOStreams", type=str)
qstval = \
settings.value(
"Configuration/ASAPODataSources", type=str)
if qstval:
try:
self.asapodatasources = json.loads(qstval)
except Exception:
self.asapodatasources = [str(tp) for tp in qstval]
elif qstval2:
try:
self.asapodatasources = json.loads(qstval2)
except Exception:
self.asapodatasources = [str(tp) for tp in qstval2]
else:
self.asapodatasources = []
qstval = \
settings.value(
"Configuration/ASAPOServer", type=str)
if qstval:
self.asaposerver = str(qstval)
else:
self.asaposerver = ""
qstval = \
settings.value(
"Configuration/ASAPOToken", type=str)
if qstval:
self.asapotoken = str(qstval)
else:
self.asapotoken = ""
qstval = \
settings.value(
"Configuration/ASAPOBeamtime", type=str)
if qstval:
self.asapobeamtime = str(qstval)
else:
self.asapobeamtime = ""
qstval = \
settings.value(
"Configuration/ASAPOSourcePath", type=str)
if qstval:
self.asaposourcepath = str(qstval)
else:
self.asaposourcepath = ""
qstval = \
settings.value(
"Configuration/ASAPOMetadataFile", type=str)
if qstval:
self.asapobtmetafile = str(qstval)
else:
self.asapobtmetafile = "/gpfs/current/beamtime-metadata-*.json"
qstval = \
settings.value(
"Configuration/HidraDetectorServers", type=str)
if qstval:
try:
json.loads(qstval)
self.detservers = qstval
except Exception:
self.detservers = json.dumps(
[str(tp) for tp in qstval], cls=numpyEncoder)
qstval = str(
settings.value(
"Configuration/HidraDefaultDetectorServers", type=str))
if qstval.lower() == "false":
self.defdetservers = False
qstval = str(settings.value(
"Configuration/AutoZMQStreamTopics", type=str))
if qstval.lower() == "true":
self.autozmqtopics = True
qstval = str(
settings.value("Configuration/DirectoryTranslation", type=str))
if qstval:
self.dirtrans = qstval
qstval = str(
settings.value("Configuration/TangoAttributes", type=str))
if qstval:
self.tangoattrs = qstval
qstval = str(
settings.value("Configuration/TangoDetectorAttributes", type=str))
if qstval:
self.tangodetattrs = qstval
qstval = str(
settings.value("Configuration/TineProperties", type=str))
if qstval:
self.tineprops = qstval
qstval = str(
settings.value("Configuration/EpicsPVNames", type=str))
if qstval:
self.epicspvnames = qstval
qstval = str(
settings.value("Configuration/EpicsPVShapes", type=str))
if qstval:
self.epicspvshapes = qstval
qstval = str(
settings.value("Configuration/DOOCSProperties", type=str))
if qstval:
self.doocsprops = qstval
qstval = str(
settings.value("Configuration/TangoEventsAttributes", type=str))
if qstval:
self.tangoevattrs = qstval
qstval = str(
settings.value("Configuration/TangoFileAttributes", type=str))
if qstval:
self.tangofileattrs = qstval
qstval = str(
settings.value("Configuration/TangoDirAttributes", type=str))
if qstval:
self.tangodirattrs = qstval
qstval = str(
settings.value("Configuration/HTTPURLs", type=str))
if qstval:
self.httpurls = qstval
qstval = str(
settings.value("Configuration/ZMQServers", type=str))
if qstval:
self.zmqservers = qstval
qstval = str(
settings.value("Configuration/StoreGeometry", type=str))
if qstval.lower() == "true":
self.storegeometry = True
qstval = str(
settings.value("Configuration/GeometryFromSource", type=str))
if qstval.lower() == "true":
self.geometryfromsource = True
qstval = str(
settings.value("Configuration/ROIsColors", type=str))
if qstval:
self.roiscolors = qstval
qstval = str(
settings.value("Configuration/IntensityOverflowColor", type=str))
if qstval:
self.overflowcolor = qstval
qstval = str(
settings.value("Configuration/Filters", type=str))
if qstval:
self.filters = qstval
qstval = str(
settings.value(
"Configuration/SourceDisplayParams", type=str))
if qstval.lower() == "true":
self.sourcedisplay = True
try:
self.centerx = float(
settings.value("Tools/CenterX", type=str))
except Exception:
pass
try:
self.centery = float(
settings.value("Tools/CenterY", type=str))
except Exception:
pass
try:
self.energy = float(
settings.value("Tools/Energy", type=str))
except Exception:
pass
try:
self.pixelsizex = float(
settings.value("Tools/PixelSizeX", type=str))
except Exception:
pass
try:
self.pixelsizey = float(
settings.value("Tools/PixelSizeY", type=str))
except Exception:
pass
try:
self.detdistance = float(
settings.value("Tools/DetectorDistance", type=str))
except Exception:
pass
try:
self.detponi1 = float(
settings.value("Tools/DetectorPONI1", type=str))
except Exception:
pass
try:
self.detponi2 = float(
settings.value("Tools/DetectorPONI2", type=str))
except Exception:
pass
try:
self.diffnpt = int(
settings.value("Tools/DiffractogramNPT", type=str))
except Exception:
pass
qstval = str(settings.value(
"Tools/CorrectSolidAngle", type=str))
if qstval.lower() == "false":
self.correctsolidangle = False
try:
self.detrot1 = float(
settings.value("Tools/DetectorRot1", type=str))
except Exception:
pass
try:
self.detrot2 = float(
settings.value("Tools/DetectorRot2", type=str))
except Exception:
pass
try:
self.detrot3 = float(
settings.value("Tools/DetectorRot3", type=str))
except Exception:
pass
qstval = str(
settings.value("Tools/DetectorName", type=str))
if qstval:
self.detname = qstval
qstval = str(
settings.value("Tools/DetectorSplineFile",
type=str))
if qstval:
self.detsplinefile = qstval
self.__loadDisplayParams(settings)
self.__loadCustomGradients(settings)
self.updateAISettings()
return status
[docs] def updateAISettings(self):
""" update AI settings
"""
if PYFAI:
wvln = self.energy2m(self.energy)
pixel1 = self.distance2m((self.pixelsizey, "um"))
pixel2 = self.distance2m((self.pixelsizex, "um"))
splineFile = self.detsplinefile or None
detector = self.detname or None
detdistance = self.distance2m((self.detdistance, "mm"))
with QtCore.QMutexLocker(self.aimutex):
if wvln and detdistance and pixel1 and pixel2:
from pyFAI.azimuthalIntegrator import AzimuthalIntegrator
self.ai = AzimuthalIntegrator(
dist=detdistance,
poni1=self.detponi1,
poni2=self.detponi2,
rot1=self.detrot1,
rot2=self.detrot2,
rot3=self.detrot3,
pixel1=pixel1,
pixel2=pixel2,
splineFile=splineFile,
detector=detector,
wavelength=wvln)
if not self.detponi1 and not self.detponi2 \
and self.centerx and self.centery:
aif = self.ai.getFit2D()
self.ai.setFit2D(aif["directDist"],
self.centerx,
self.centery,
aif["tilt"],
aif["tiltPlanRotation"])
[docs] def store(self, settings):
""" Stores settings in QSettings object
:param settings: QSettings object
:type settings: :class:`pyqtgraph.QtCore.QSettings`
"""
settings.setValue(
"Configuration/AddROIs",
self.addrois)
settings.setValue(
"Configuration/OrderROIs",
self.orderrois)
settings.setValue(
"Configuration/ImageChannels",
self.imagechannels)
settings.setValue(
"Configuration/ShowSubtraction",
self.showsub)
settings.setValue(
"Configuration/ShowNormalization",
self.shownorm)
settings.setValue(
"Configuration/ShowSubtractionScaling",
self.showsubsf)
settings.setValue(
"Configuration/ShowNormalizationScaling",
self.shownormsf)
settings.setValue(
"Configuration/ShowTransformations",
self.showtrans)
settings.setValue(
"Configuration/ShowIntensityScaling",
self.showscale)
settings.setValue(
"Configuration/ShowIntensityLevels",
self.showlevels)
settings.setValue(
"Configuration/ShowFrameRate",
self.showframerate)
settings.setValue(
"Configuration/ShowHistogram",
self.showhisto)
settings.setValue(
"Configuration/ShowAdditionalHistogram",
self.showaddhisto)
settings.setValue(
"Configuration/ShowMaskWidget",
self.showmask)
settings.setValue(
"Configuration/ShowRangeWindowWidget",
self.showrange)
settings.setValue(
"Configuration/ShowFilterWidget",
self.showfilters)
settings.setValue(
"Configuration/ShowMemoryBuffer",
self.showmbuffer)
settings.setValue(
"Configuration/ShowHighValueMaskWidget",
self.showhighvaluemask)
settings.setValue(
"Configuration/ShowOverflowWidget",
self.showoverflow)
settings.setValue(
"Configuration/ShowStatistics",
self.showstats)
settings.setValue(
"Configuration/ShowImageSteps",
self.showsteps)
settings.setValue(
"Configuration/CrossHairLocker",
self.crosshairlocker)
settings.setValue(
"Configuration/CalculateVariance",
self.calcvariance)
settings.setValue(
"Configuration/RefreshTime",
self.refreshtime)
settings.setValue(
"Configuration/AutoEnlargeRefreshTime",
self.autorefreshtime)
settings.setValue(
"Configuration/ToolRefreshTime",
self.toolrefreshtime)
settings.setValue(
"Configuration/ToolPollingInterval",
self.toolpollinginterval)
settings.setValue(
"Configuration/SecPort",
self.secport)
settings.setValue(
"Configuration/FloatType",
self.floattype)
settings.setValue(
"Configuration/HidraDataPort",
self.hidraport)
settings.setValue(
"Configuration/MaxBufferSize",
self.maxmbuffersize)
settings.setValue(
"Configuration/SecAutoPort",
self.secautoport)
settings.setValue(
"Configuration/SecStream",
self.secstream)
settings.setValue(
"Configuration/ZMQColonSeparator",
self.zmqcolon)
settings.setValue(
"Configuration/MaskingWithZeros",
self.zeromask)
settings.setValue(
"Configuration/MaskingAsNAN",
self.nanmask)
settings.setValue(
"Configuration/AddMaxValueToNegativeMask",
self.negmask)
settings.setValue(
"Configuration/Sardana",
self.sardana)
settings.setValue(
"Configuration/InterruptOnError",
self.interruptonerror)
settings.setValue(
"Configuration/SourceTimeout",
self.timeout)
settings.setValue(
"Configuration/NumberOfImageSources",
self.nrsources)
settings.setValue(
"Configuration/AspectLocked",
self.aspectlocked)
settings.setValue(
"Configuration/AutoDownSample",
self.autodownsample)
settings.setValue(
"Configuration/KeepOriginalCoordinates",
self.keepcoords)
settings.setValue(
"Configuration/AccelerateBufferSum",
self.accelbuffersum)
settings.setValue(
"Configuration/ChannelsWithGradientColors",
self.gradientcolors)
settings.setValue(
"Configuration/LazyImageSlider",
self.lazyimageslider)
settings.setValue(
"Configuration/LastImageFileName",
self.imagename)
settings.setValue(
"Configuration/LastMaskImageFileName",
self.maskimagename)
settings.setValue(
"Configuration/LastCalibrationFileName",
self.calibrationfilename)
settings.setValue(
"Configuration/LastBackgroundImageFileName",
self.bkgimagename)
settings.setValue(
"Configuration/LastBrightFieldImageFileName",
self.bfimagename)
settings.setValue(
"Configuration/StatisticsWithoutScaling",
self.statswoscaling)
settings.setValue(
"Configuration/ImageSources",
self.imagesources)
settings.setValue(
"Configuration/ToolWidgets",
self.toolwidgets)
settings.setValue(
"Configuration/ZMQStreamTopics",
json.dumps(self.zmqtopics or [], cls=numpyEncoder))
settings.setValue(
"Configuration/ASAPODataSources",
json.dumps(self.asapodatasources or [], cls=numpyEncoder))
settings.setValue(
"Configuration/ASAPOServer",
self.asaposerver)
settings.setValue(
"Configuration/ASAPOToken",
self.asapotoken)
settings.setValue(
"Configuration/ASAPOBeamtime",
self.asapobeamtime)
settings.setValue(
"Configuration/ASAPOSourcePath",
self.asaposourcepath)
settings.setValue(
"Configuration/ASAPOMetadataFile",
self.asapobtmetafile)
settings.setValue(
"Configuration/HidraDetectorServers",
self.detservers)
settings.setValue(
"Configuration/HidraDefaultDetectorServers",
self.defdetservers)
settings.setValue(
"Configuration/AutoZMQStreamTopics",
self.autozmqtopics)
settings.setValue(
"Configuration/DirectoryTranslation",
self.dirtrans)
settings.setValue(
"Configuration/TangoAttributes",
self.tangoattrs)
settings.setValue(
"Configuration/TangoDetectorAttributes",
self.tangodetattrs)
settings.setValue(
"Configuration/TineProperties",
self.tineprops)
settings.setValue(
"Configuration/EpicsPVNames",
self.epicspvnames)
settings.setValue(
"Configuration/EpicsPVShapes",
self.epicspvshapes)
settings.setValue(
"Configuration/DOOCSProperties",
self.doocsprops)
settings.setValue(
"Configuration/TangoEventsAttributes",
self.tangoevattrs)
settings.setValue(
"Configuration/TangoFileAttributes",
self.tangofileattrs)
settings.setValue(
"Configuration/TangoDirAttributes",
self.tangodirattrs)
settings.setValue(
"Configuration/ZMQServers",
self.zmqservers)
settings.setValue(
"Configuration/HTTPURLs",
self.httpurls)
settings.setValue(
"Configuration/NXSLastImage",
self.nxslast)
settings.setValue(
"Configuration/NXSFileOpen",
self.nxsopen)
settings.setValue(
"Configuration/StoreGeometry",
self.storegeometry)
settings.setValue(
"Tools/CorrectSolidAngle",
self.correctsolidangle)
settings.setValue(
"Configuration/GeometryFromSource",
self.geometryfromsource)
settings.setValue(
"Configuration/ROIsColors",
self.roiscolors)
settings.setValue(
"Configuration/IntensityOverflowColor",
self.overflowcolor)
settings.setValue(
"Configuration/Filters",
self.filters)
settings.setValue(
"Configuration/SendROIs",
self.sendrois)
settings.setValue(
"Configuration/SendToolResults",
self.sendresults)
settings.setValue(
"Configuration/SingleROIAliases",
self.singlerois)
settings.setValue(
"Configuration/LabelROIsWithAliases",
self.labelrois)
settings.setValue(
"Configuration/ShowAllROIs",
self.showallrois)
settings.setValue(
"Configuration/SourceDisplayParams",
self.sourcedisplay)
if not self.storegeometry:
self.centerx = 0.0
self.centery = 0.0
self.energy = 0.0
self.pixelsizex = 0.0
self.pixelsizey = 0.0
self.detdistance = 0.0
self.detrot1 = 0.0
self.detrot2 = 0.0
self.detrot3 = 0.0
self.detponi1 = 0.0
self.detponi2 = 0.0
settings.setValue(
"Tools/CenterX",
self.centerx)
settings.setValue(
"Tools/CenterY",
self.centery)
settings.setValue(
"Tools/Energy",
self.energy)
settings.setValue(
"Tools/PixelSizeX",
self.pixelsizex)
settings.setValue(
"Tools/PixelSizeY",
self.pixelsizey)
settings.setValue(
"Tools/DetectorDistance",
self.detdistance)
settings.setValue(
"Tools/DetectorPONI1",
self.detponi1)
settings.setValue(
"Tools/DetectorPONI2",
self.detponi2)
settings.setValue(
"Tools/DiffractogramNPT",
self.diffnpt)
settings.setValue(
"Tools/DetectorRot1",
self.detrot1)
settings.setValue(
"Tools/DetectorRot2",
self.detrot2)
settings.setValue(
"Tools/DetectorRot3",
self.detrot3)
settings.setValue(
"Tools/DetectorName",
self.detname)
settings.setValue(
"Tools/DetectorSplineFile",
self.detsplinefile)
self.__storeDisplayParams(settings)
self.__storeCustomGradients(settings)
[docs] def length2ev(self, length):
""" converts length to energy in eV
:param length: length as value in A or tuple with units
:type length: :obj:`float` or (:obj:`float`, :obj:`str`)
:returns: energy in eV
:rtype: :obj:`float`
"""
energy = None
#: :obj:`float` value of hc in eV * um
hc = 1.23984193
if length is not None:
if type(length) in [list, tuple]:
if len(length) == 1:
if length[0]:
energy = hc * 10000 / length[0]
elif len(length) > 1:
if length[1] in self.__units['A']:
if length[0]:
energy = hc * 10000 / length[0]
elif length[1] in self.__units['nm']:
if length[0]:
energy = hc * 1000 / length[0]
elif length[1] in self.__units['um']:
if length[0]:
energy = hc / length[0]
elif length[1] in self.__units['m']:
if length[0]:
energy = hc * 1e-6 / length[0]
elif length[1] in self.__units['mm']:
if length[0]:
energy = hc * 1e-3 / length[0]
elif length[1] in self.__units['cm']:
if length[0]:
energy = hc * 1e-4 / length[0]
else:
if length:
energy = hc * 10000 / length
return energy
[docs] def energy2m(self, energy):
""" converts energy to m
:param energy: energy as value in eV or tuple with units
:type energy: :obj:`float` or (:obj:`float`, :obj:`str`)
:returns: length in m
:rtype: :obj:`float`
"""
length = None
#: :obj:`float` value of hc in eV * um
hc = 1.23984193
if energy is not None:
if type(energy) in [list, tuple]:
if len(energy) == 1:
if energy[0]:
length = hc * 1e-6 / energy[0]
elif len(energy) > 1:
if energy[1] in self.__units['eV']:
if energy[0]:
length = hc * 1e-6 / energy[0]
elif energy[1] in self.__units['keV']:
if energy[0]:
length = hc * 1e-3 / energy[0]
elif energy[1] in self.__units['MeV']:
if energy[0]:
length = hc / energy[0]
elif energy:
length = hc * 1e-6 / energy
return length
[docs] def distance2mm(self, distance):
""" converts distance to mm units
:param distance: distance as value in m or tuple with units
:type distance: :obj:`float` or (:obj:`float`, :obj:`str`)
:returns: distance in mm
:rtype: :obj:`float`
"""
res = None
if distance is not None:
if type(distance) in [list, tuple]:
if len(distance) == 1:
res = distance[0] * 1e+3
elif len(distance) > 1:
if distance[1] in self.__units['A']:
res = distance[0] * 1e-7
elif distance[1] in self.__units['nm']:
res = distance[0] * 1e-6
elif distance[1] in self.__units['um']:
res = distance[0] * 1e-3
elif distance[1] in self.__units['km']:
res = distance[0] * 1e+6
elif distance[1] in self.__units['m']:
res = distance[0] * 1e+3
elif distance[1] in self.__units['mm']:
res = distance[0]
elif distance[1] in self.__units['cm']:
res = distance * 1e+1
else:
res = distance * 1e+3
return res
[docs] def distance2m(self, distance):
""" converts distance to m units
:param distance: distance as value in m or tuple with units
:type distance: :obj:`float` or (:obj:`float`, :obj:`str`)
:returns: distance in m
:rtype: :obj:`float`
"""
res = None
if distance is not None:
if type(distance) in [list, tuple]:
if len(distance) == 1:
res = distance[0] * 1e+3
elif len(distance) > 1:
if distance[1] in self.__units['A']:
res = distance[0] * 1e-10
elif distance[1] in self.__units['nm']:
res = distance[0] * 1e-9
elif distance[1] in self.__units['um']:
res = distance[0] * 1e-6
elif distance[1] in self.__units['km']:
res = distance[0] * 1e+3
elif distance[1] in self.__units['m']:
res = distance[0]
elif distance[1] in self.__units['mm']:
res = distance[0] * 1e-3
elif distance[1] in self.__units['cm']:
res = distance * 1e-2
else:
res = distance * 1e+3
return res
[docs] def distance2um(self, distance):
""" converts distance to um units
:param distance: distance as value in m or tuple with units
:type distance: :obj:`float` or (:obj:`float`, :obj:`str`)
:returns: distance in um
:rtype: :obj:`float`
"""
res = None
if distance is not None:
if type(distance) in [list, tuple]:
if len(distance) == 1:
res = distance[0] * 1e+6
elif len(distance) > 1:
if distance[1] in self.__units['A']:
res = distance[0] * 1e-4
elif distance[1] in self.__units['nm']:
res = distance[0] * 1e-3
elif distance[1] in self.__units['um']:
res = distance[0]
elif distance[1] in self.__units['km']:
res = distance[0] * 1e+9
elif distance[1] in self.__units['m']:
res = distance[0] * 1e+6
elif distance[1] in self.__units['mm']:
res = distance[0] * 1e+3
elif distance[1] in self.__units['cm']:
res = distance * 1e+4
else:
res = distance * 1e+6
return res
[docs] def distance2pixels(self, distance, psize):
""" converts distance to pixels
:param distance: distance as value in pixels or tuple with units
:type distance: :obj:`float` or (:obj:`float`, :obj:`str`)
:param psize: pixel size
:type psize: :obj:`float`
:returns: distance in pixels
:rtype: :obj:`float`
"""
res = None
if distance is not None:
if type(distance) in [list, tuple]:
if len(distance) == 1:
res = distance[0]
elif len(distance) > 1:
if distance[1] in self.__units['pixel']:
res = distance[0]
elif distance[1] in self.__units['nm']:
res = distance[0] * 1e+3 / psize
elif distance[1] in self.__units['um']:
res = distance[0] / psize
elif distance[1] in self.__units['m']:
res = distance[0] * 1e-6 / psize
if distance[1] in self.__units['A']:
res = distance[0] * 1e+4 / psize
elif distance[1] in self.__units['mm']:
res = distance[0] * 1e-3 / psize
elif distance[1] in self.__units['cm']:
res = distance[0] * 1e-4 / psize
else:
res = distance
return res
[docs] def pixelsize2um(self, psize):
""" converts pixel size to um units
:param psize: pixelsize as value in m or tuple with units
:type psize: :obj:`float` or
(:obj:`float`, :obj:`str`, :obj:`float`, :obj:`str`)
:returns: pixelsize in um
:rtype: (:obj:`float`, :obj:`float`)
"""
resx = None
resy = None
if psize is not None:
if type(psize) in [list, tuple]:
if len(psize) == 2:
if type(psize[0]) in [list, tuple]:
resx = self.distance2um(psize[0])
else:
resx = psize[0] * 1e+6
if type(psize[1]) in [list, tuple]:
resy = self.distance2um(psize[1])
else:
resy = psize[1] * 1e+6
elif len(psize) > 2:
if len(psize) == 3:
px, py, ux = psize
uy = ux
elif len(psize) >= 4:
px, ux, py, uy = psize
resx = self.distance2um([px, ux])
resy = self.distance2um([py, uy])
return resx, resy
[docs] def xyposition2pixels(self, xypos):
""" converts xy position to pixel units
:param xypos: xy-position a tuple value or tuple with units
:type xypos: :obj:`float` or
(:obj:`float`, :obj:`str`, :obj:`float`, :obj:`str`)
:returns: xy-position in pixels
:rtype: (:obj:`float`, :obj:`float`)
"""
resx = None
resy = None
if xypos is not None:
if type(xypos) in [list, tuple]:
if len(xypos) == 2:
if type(xypos[0]) in [list, tuple]:
resx = self.distance2pixels(xypos[0], self.pixelsizex)
else:
resx = xypos[0]
if type(xypos[1]) in [list, tuple]:
resy = self.distance2pixels(xypos[1], self.pixelsizey)
else:
resy = xypos[1]
elif len(xypos) > 2:
if len(xypos) == 3:
px, py, ux = xypos
uy = ux
elif len(xypos) >= 4:
px, ux, py, uy = xypos
resx = self.distance2pixels([px, ux], self.pixelsizex)
resy = self.distance2pixels([py, uy], self.pixelsizey)
return resx, resy
[docs] def updateDetectorParameters(self):
""" update physical parameters
"""
if PYFAI:
with QtCore.QMutexLocker(self.aimutex):
aic = self.ai.get_config()
self.pixelsizex = self.distance2um(
(self.ai.get_pixel2(), "m"))
self.pixelsizey = self.distance2um(
(self.ai.get_pixel1(), "m"))
self.detponi1 = aic["poni1"]
self.detponi2 = aic["poni2"]
self.detrot1 = aic["rot1"]
self.detrot2 = aic["rot2"]
self.detrot3 = aic["rot3"]
self.detsplinefile = self.ai.splineFile
self.detname = aic["detector"]
self.detdistance = self.distance2mm(
(aic["dist"], "m"))
self.energy = self.length2ev(
(float(aic["wavelength"]), "m"))
with QtCore.QMutexLocker(self.aimutex):
aif = self.ai.getFit2D()
self.centerx = float(aif["centerX"])
self.centery = float(aif["centerY"])
def __storeCustomGradients(self, settings):
""" Stores custom color gradients settings in QSettings object
:param settings: QSettings object
:type settings: :class:`pyqtgraph.QtCore.QSettings`
"""
with QtCore.QMutexLocker(self.__mutex):
for name, value in self.__customgradients.items():
settings.setValue(
"CustomColorGradients/%s" % (name), str(value))
try:
settings.beginGroup("CustomColorGradients")
oldkeys = set([str(key) for key in settings.allKeys()]) - \
set(self.__customgradients.keys())
for key in oldkeys:
settings.remove(key)
finally:
settings.endGroup()
def __loadCustomGradients(self, settings):
""" Loads custom color gradients settings in QSettings object
:param settings: QSettings object
:type settings: :class:`pyqtgraph.QtCore.QSettings`
"""
with QtCore.QMutexLocker(self.__mutex):
settings.beginGroup("CustomColorGradients")
try:
for key in settings.allKeys():
qstval = str(
settings.value(
"%s" % str(key), type=str))
self.__customgradients[str(key)] = eval(str(qstval))
finally:
settings.endGroup()
def __storeDisplayParams(self, settings):
""" Stores display parameters settings in QSettings object
:param settings: QSettings object
:type settings: :class:`pyqtgraph.QtCore.QSettings`
"""
with QtCore.QMutexLocker(self.__mutex):
for source, dct in self.__sourcedisplay.items():
for key, value in dct.items():
settings.setValue(
"Source_%s/%s" % (source, key),
value)
try:
settings.beginGroup("Source_%s" % source)
oldkeys = set([str(key) for key in settings.allKeys()]) - \
set(dct.keys())
for key in oldkeys:
settings.remove(key)
finally:
settings.endGroup()
def __loadDisplayParams(self, settings):
""" loads display parameters settings
:param settings: QSettings object
:type settings: :class:`pyqtgraph.QtCore.QSettings`
"""
with QtCore.QMutexLocker(self.__mutex):
qgroups = list(settings.childGroups())
groups = [str(f) for f in qgroups
if str(f).startswith("Source_")]
for gr in groups:
source = gr[7:]
if source not in self.__sourcedisplay.keys():
self.__sourcedisplay[source] = {}
settings.beginGroup(gr)
try:
for key in settings.allKeys():
qstval = str(
settings.value(
"%s" % str(key), type=str))
self.__sourcedisplay[source][str(key)] = str(qstval)
finally:
settings.endGroup()