Source code for cryosparc2.protocols.protocol_cryosparc_local_ctf_refinement

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# *
# * Authors: Yunior C. Fonseca Reyna    (
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# * Unidad de  Bioinformatica of Centro Nacional de Biotecnologia , CSIC
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import os

import emtable

from pwem import ALIGN_PROJ
from pwem.protocols import ProtParticles
import pyworkflow.utils as pwutils
from pyworkflow import BETA
from pyworkflow.object import String
from pyworkflow.protocol.params import (PointerParam, FloatParam,
                                        LEVEL_ADVANCED, IntParam, Positive)

from .protocol_base import ProtCryosparcBase
from .. import RELIONCOLUMNS
from ..convert import (defineArgs, convertCs2Star, createItemMatrix,
from ..utils import (addComputeSectionParams, cryosparcValidate, gpusValidate,
                     enqueueJob, waitForCryosparc, clearIntermediateResults,

[docs]class ProtCryoSparcLocalCtfRefinement(ProtCryosparcBase, ProtParticles): """ Wrapper protocol for the Cryosparc's per-particle Local CTF refinement. Performs per-particle defocus estimation for each particle in a dataset, against a given 3D reference structure. """ _label = 'local ctf refinement' _className = "ctf_refine_local" def _initialize(self): self._createFilenameTemplates() def _createFilenameTemplates(self): """ Centralize how files are called. """ myDict = { 'input_particles': self._getTmpPath(''), 'out_particles': self._getExtraPath('') } self._updateFilenamesDict(myDict) def _defineParams(self, form): form.addSection(label='Input') form.addParam('inputParticles', PointerParam, pointerClass='SetOfParticles', pointerCondition='hasAlignmentProj', label="Input particles", important=True, help='Provide a set of particles for local ' 'CTF refinement.') form.addParam('refVolume', PointerParam, pointerClass='Volume', important=True, label="Input volume", help='Provide a reference volume for local ' 'CTF refinement.') form.addParam('refMask', PointerParam, pointerClass='VolumeMask', label='Mask to be applied to this map', important=True, help="Provide a soft mask. if mask is present, use that, " "otherwise use mask_refine if present, otherwise " "fail") # -----------[Global CTF Refinement]------------------------ form.addSection(label="Local CTF Refinement") form.addParam('crl_N', FloatParam, default=None, allowsNull=True, expertLevel=LEVEL_ADVANCED, label='Refinement box size (Voxels)', help='Size of reconstruction/image to use for refinement. ' 'Blank means to use the particle box size ' '(upsampling input maps as needed)') form.addParam('crl_num_plots', IntParam, default=50, validators=[Positive], label='Num. groups to plot', help='Number of exposure groups to make plots for. ' 'After this many, stop plotting to save time.') form.addParam('crl_min_res_A', IntParam, default=20, validators=[Positive], label='Minimum Fit Res (A)', help='The minimum resolution to use during refinement of ' 'image aberrations.') form.addParam('crl_max_res_A', FloatParam, default=None, label='Maximum Fit Res (A)', expertLevel=LEVEL_ADVANCED, allowsNull=True, help='The maximum resolution to use during refinement of ' 'image aberrations. If None, use input half-maps ' 'to compute FSC and set max to FSC=0.5') form.addParam('crl_df_range', IntParam, default=2000, label='Defocus Search Range (A +/-)', help='Defocus search range in Angstroms, searching both ' 'above and below the input defocus by this amount') # --------------[Compute settings]--------------------------- form.addSection(label="Compute settings") addComputeSectionParams(form, allowMultipleGPUs=False) # --------------------------- INSERT steps functions ----------------------- def _insertAllSteps(self): self._createFilenameTemplates() self._defineParamsName() self._initializeCryosparcProject() self._insertFunctionStep(self.convertInputStep) self._insertFunctionStep(self.processStep) self._insertFunctionStep(self.createOutputStep) # -------------------------- UTILS functions ------------------------------ def _defineParamsName(self): """ Define a list with all protocol parameters names""" self._paramsName = ['crl_N', 'crl_num_plots', 'crl_min_res_A', 'crl_max_res_A', 'crl_df_range', 'compute_use_ssd'] self.lane = str(self.getAttributeValue('compute_lane')) def _getInputMask(self): if self.refMask.get() is not None: return self.refMask.get() else: inputProtocolMask = self._getInputPostProcessProtocol().refMask.get() if inputProtocolMask is not None: return inputProtocolMask return None # --------------------------- STEPS functions ------------------------------
[docs] def processStep(self): print(pwutils.yellowStr("Local Ctf Refinement started..."), flush=True) self.doLocalCtfRefinement()
[docs] def createOutputStep(self): """ Create the protocol output. Convert cryosparc file to Relion file """ self._initializeUtilsVariables() outputStarFn = self._getFileName('out_particles') csOutputFolder = os.path.join(self.projectPath, self.projectName.get(), self.runLocalCtfRefinement.get()) csFileName = "particles.cs" # Copy the CS output particles to extra folder copyFiles(csOutputFolder, self._getExtraPath(), files=[csFileName]) csFile = os.path.join(self._getExtraPath(), csFileName) argsList = [csFile, outputStarFn] parser = defineArgs() args = parser.parse_args(argsList) convertCs2Star(args) imgSet = self._getInputParticles() outImgSet = self._createSetOfParticles() outImgSet.copyInfo(imgSet) self._fillDataFromIter(outImgSet) self._defineOutputs(outputParticles=outImgSet) self._defineTransformRelation(imgSet, outImgSet)
def _fillDataFromIter(self, imgSet): outImgsFn = 'particles@' + self._getFileName('out_particles') imgSet.setAlignmentProj() imgSet.copyItems(self._getInputParticles(), updateItemCallback=self._createItemMatrix, itemDataIterator=emtable.Table.iterRows(outImgsFn)) def _createItemMatrix(self, particle, row): createItemMatrix(particle, row, align=ALIGN_PROJ) setCryosparcAttributes(particle, row, RELIONCOLUMNS.rlnRandomSubset.value) # --------------------------- INFO functions ------------------------------- def _validate(self): """ Should be overwritten in subclasses to return summary message for NORMAL EXECUTION. """ validateMsgs = cryosparcValidate() if not validateMsgs: validateMsgs = gpusValidate(self.getGpuList(), checkSingleGPU=True) if not validateMsgs: self._validateDim(self._getInputParticles(), self._getInputVolume(), validateMsgs, 'Input particles', 'Input volume') return validateMsgs def _summary(self): summary = [] if not hasattr(self, 'outputParticles'): summary.append("Output Particles not ready yet.") else: summary.append("Input Particles: %s" % self.getObjectTag('inputParticles')) summary.append("Reference Mask: %s" % self.getObjectTag('refMask')) summary.append("--------------------------------------------------") summary.append("Output particles %s" % self.getObjectTag('outputParticles')) return summary
[docs] def doLocalCtfRefinement(self): """ :return: """ input_group_connect = {"particles": self.particles.get(), "volume": self.volume.get(), "mask": self.mask.get()} input_result_connect = None if self._getInputVolume().hasHalfMaps(): input_result_connect = {"volume.0.map_half_A": self.importVolumeHalfA.get(), "volume.0.map_half_B": self.importVolumeHalfB.get()} params = {} for paramName in self._paramsName: if (paramName != 'crl_max_res_A' and paramName != 'crl_N'): params[str(paramName)] = str(self.getAttributeValue(paramName)) elif self.crl_max_res_A.get() is not None: params[str(paramName)] = str(self.getAttributeValue(paramName)) elif self.crl_N.get() is not None: params[str(paramName)] = str(self.getAttributeValue(paramName)) # Determinate the GPUs to use (in dependence of # the cryosparc version) try: gpusToUse = self.getGpuList() except Exception: gpusToUse = False runLocalCtfRefinementJob = enqueueJob(self._className, self.projectName.get(), self.workSpaceName.get(), str(params).replace('\'', '"'), str(input_group_connect).replace('\'', '"'), self.lane, gpusToUse, result_connect=input_result_connect) self.runLocalCtfRefinement = String(runLocalCtfRefinementJob.get()) self.currenJob.set(runLocalCtfRefinementJob.get()) self._store(self) waitForCryosparc(self.projectName.get(), self.runLocalCtfRefinement.get(), "An error occurred in the particles subtraction process. " "Please, go to cryoSPARC software for more " "details.")