def convertInputStep(self):
     """ Generated the input particles metadata expected 
     by projection matching. And copy the generated file to be
     used as initial docfile for further iterations.
     """
     from pyworkflow.em.packages.xmipp3 import writeSetOfParticles
     writeSetOfParticles(self.inputParticles.get(), self.selFileName, 
                         blockName=self.blockWithAllExpImages)
Example #2
0
 def convertInputStep(self):
     """ Generated the input particles metadata expected 
     by projection matching. And copy the generated file to be
     used as initial docfile for further iterations.
     """
     from pyworkflow.em.packages.xmipp3 import writeSetOfParticles
     writeSetOfParticles(self.inputParticles.get(), self.selFileName, 
                         blockName=self.blockWithAllExpImages)
    def applyCTF(self, setPartMd):

        writeSetOfParticles(self.partSet,setPartMd)
        md1 = xmipp.MetaData()
        md1.setColumnFormat(False)
        idctf = md1.addObject()
        _acquisition = self.partSet.getAcquisition()
        for part in self.partSet:
            baseFnCtf = self.proj.getTmpPath("kk")#self._getTmpPath("ctf_%d.param"%mic)

            md1.setValue(xmipp.MDL_CTF_SAMPLING_RATE, samplingRate, idctf)
            md1.setValue(xmipp.MDL_CTF_VOLTAGE, 200., idctf);
            ctf = part.getCTF()
            udefocus = ctf.getDefocusU()
            vdefocus = ctf.getDefocusV()
            angle = ctf.getDefocusAngle()
            md1.setValue(xmipp.MDL_CTF_DEFOCUSU, udefocus, idctf);
            md1.setValue(xmipp.MDL_CTF_DEFOCUSV, vdefocus, idctf);
            md1.setValue(xmipp.MDL_CTF_DEFOCUS_ANGLE, 180.0 * random.random(), idctf);
            md1.setValue(xmipp.MDL_CTF_CS, 2., idctf);
            md1.setValue(xmipp.MDL_CTF_Q0, 0.07, idctf);
            md1.setValue(xmipp.MDL_CTF_K, 1., idctf);

            md1.write(baseFnCtf)
        ##writeSetOfParticles(self.partSet, setPartMd)
        #apply ctf
        args  = " -i %s"%setPartMd
        args += " -o %s"%self.proj.getTmpPath(setPartCtfName)
        args += " -f ctf %s"%baseFnCtf
        args += " --sampling %f"%samplingRate
        runXmippProgram("xmipp_transform_filter", args)

        args  = " -i %s"%setPartMd
        args += " -o %s"%self.proj.getTmpPath(setPartCtfPosName)
        args += " -f ctfpos %s"%baseFnCtf
        args += " --sampling %f"%samplingRate
        runXmippProgram("xmipp_transform_filter", args)