Source code for imod.protocols.protocol_doseFilter

# **************************************************************************
# *
# * Authors:     Federico P. de Isidro Gomez (fp.deisidro@cnb.csic.es) [1]
# *
# * [1] Centro Nacional de Biotecnologia, CSIC, Spain
# *
# * 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; either version 2 of the License, or
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# * 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.
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# * 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., 59 Temple Place, Suite 330, Boston, MA
# * 02111-1307  USA
# *
# *  All comments concerning this program package may be sent to the
# *  e-mail address 'scipion@cnb.csic.es'
# *
# **************************************************************************

import os
import imod.utils as utils
import pwem.objects as data
from pyworkflow import BETA
from pyworkflow.object import Set
import pyworkflow.protocol.params as params
import pyworkflow.utils.path as path
import tomo.objects as tomoObj
from pwem.emlib.image import ImageHandler
from imod import Plugin
from imod.protocols.protocol_base import ProtImodBase

SCIPION_IMPORT = 0
FIXED_DOSE = 1


[docs]class ProtImodDoseFilter(ProtImodBase): """ Tilt-series' dose filtering based on the IMOD procedure. More info: https://bio3d.colorado.edu/imod/doc/man/mtffilter.html """ _label = 'Dose filter' _devStatus = BETA # -------------------------- DEFINE param functions ----------------------- def _defineParams(self, form): form.addSection('Input') form.addParam('inputSetOfTiltSeries', params.PointerParam, pointerClass='SetOfTiltSeries', important=True, label='Input set of tilt-series to be filtered.') form.addParam('initialDose', params.FloatParam, default=0.0, expertLevel=params.LEVEL_ADVANCED, label='Initial dose (e/sq A)', help='Dose applied before any of the images in the input file were taken; this value will be ' 'added to all the prior dose values, however they were obtained.') # TODO: add more options for inputting the dose information. form.addParam('inputDoseType', params.EnumParam, choices=['Scipion import', 'Fixed dose'], default=SCIPION_IMPORT, label='Input dose source', display=params.EnumParam.DISPLAY_COMBO, help='This option indicates what kind of source is being provided with the dose information:\n' '- Scipion import: Use the dose obtained ehn importing the tilt-series into Scipion. To use ' 'this option you must have imported the tilt-series into scipion using an .mdoc file.\n' '- Fixed dose: use the same dose value for every tilt-series when performing the ' 'correction.\n') form.addParam('fixedImageDose', params.FloatParam, default=FIXED_DOSE, label='Fixes dose (e/sq Å)', condition='inputDoseType == %i' % FIXED_DOSE, help='Fixed dose for each image of the input file, in electrons/square Angstrom.') # -------------------------- INSERT steps functions --------------------- def _insertAllSteps(self): for ts in self.inputSetOfTiltSeries.get(): self._insertFunctionStep(self.doseFilterStep, ts.getObjId()) self._insertFunctionStep(self.createOutputStep, ts.getObjId()) self._insertFunctionStep(self.closeOutputSetsStep) # --------------------------- STEPS functions ----------------------------
[docs] def doseFilterStep(self, tsObjId): """Apply the dose fitler to every tilt series""" ts = self.inputSetOfTiltSeries.get()[tsObjId] tsId = ts.getTsId() extraPrefix = self._getExtraPath(tsId) tmpPrefix = self._getTmpPath(tsId) path.makePath(tmpPrefix) path.makePath(extraPrefix) firstItem = ts.getFirstItem() paramsMtffilter = { 'input':firstItem.getFileName(), 'output': os.path.join(extraPrefix, firstItem.parseFileName()), 'voltage': ts.getAcquisition().getVoltage(), } argsMtffilter = "-input %(input)s " \ "-output %(output)s " \ "-Voltage %(voltage)d " if self.inputDoseType.get() == SCIPION_IMPORT: outputDefocusFilePath = os.path.join(extraPrefix, firstItem.parseFileName(extension=".dose")) utils.generateDoseFileFromDoseTS(ts, outputDefocusFilePath) paramsMtffilter.update({ 'typeOfDoseFile': 1, 'doseWeightingFile': outputDefocusFilePath, }) argsMtffilter += "-TypeOfDoseFile %(typeOfDoseFile)d " \ "-DoseWeightingFile %(doseWeightingFile)s " if self.inputDoseType.get() == FIXED_DOSE: paramsMtffilter.update({ 'fixedImageDose': self.fixedImageDose.get() }) argsMtffilter += "-FixedImageDose %(fixedImageDose)f" Plugin.runImod(self, 'mtffilter', argsMtffilter % paramsMtffilter)
[docs] def createOutputStep(self, tsObjId): """Generate output filtered tilt series""" ts = self.inputSetOfTiltSeries.get()[tsObjId] tsId = ts.getTsId() extraPrefix = self._getExtraPath(tsId) tmpPrefix = self._getTmpPath(tsId) self.getOutputSetOfTiltSeries(self.inputSetOfTiltSeries.get()) newTs = tomoObj.TiltSeries(tsId=tsId) newTs.copyInfo(ts) self.outputSetOfTiltSeries.append(newTs) for index, tiltImage in enumerate(ts): newTi = tomoObj.TiltImage() newTi.copyInfo(tiltImage, copyId=True, copyTM=True) newTi.setAcquisition(tiltImage.getAcquisition()) newTi.setLocation(index + 1, (os.path.join(extraPrefix, tiltImage.parseFileName()))) newTs.append(newTi) newTs.write(properties=False) self.outputSetOfTiltSeries.update(newTs) self.outputSetOfTiltSeries.write() self._store()
[docs] def closeOutputSetsStep(self): self.outputSetOfTiltSeries.setStreamState(Set.STREAM_CLOSED) self.outputSetOfTiltSeries.write() self._store()
# --------------------------- INFO functions ---------------------------- def _validate(self): validateMsgs = [] if self.inputDoseType.get() == SCIPION_IMPORT: for ts in self.inputSetOfTiltSeries.get(): if ts.getFirstItem().getAcquisition().getDosePerFrame() == None: validateMsgs.append("%s has no dose information stored in Scipion Metadata. To solve this import " "the tilt-series with the mdoc option." % ts.getTsId()) return validateMsgs def _summary(self): summary = [] if not hasattr(self, 'outputInterpolatedSetOfTiltSeries'): summary.append("Input Tilt-Series: %d.\nTransformation matrices calculated: %d.\n" % (self.inputSetOfTiltSeries.get().getSize(), self.outputSetOfTiltSeries.getSize())) elif hasattr(self, 'outputInterpolatedSetOfTiltSeries'): summary.append("Input Tilt-Series: %d.\nTransformation matrices calculated: %d.\n" "Interpolated Tilt-Series: %d.\n" % (self.outputSetOfTiltSeries.getSize(), self.outputSetOfTiltSeries.getSize(), self.outputInterpolatedSetOfTiltSeries.getSize())) else: summary.append("Output classes not ready yet.") return summary def _methods(self): methods = [] if not hasattr(self, 'outputInterpolatedSetOfTiltSeries'): methods.append("The transformation matrix has been calculated for %d " "Tilt-series using the IMOD procedure.\n" % (self.outputSetOfTiltSeries.getSize())) elif hasattr(self, 'outputInterpolatedSetOfTiltSeries'): methods.append("The transformation matrix has been calculated for %d " "Tilt-series using the IMOD procedure.\n" "Also, interpolation has been completed for %d Tilt-series.\n" % (self.outputSetOfTiltSeries.getSize(), self.outputInterpolatedSetOfTiltSeries.getSize())) else: methods.append("Output classes not ready yet.") return methods