Example #1
0
    def aaatest_particlesToStar(self):
        """ Write a SetOfParticles to Relion star input file. """
        imgSet = SetOfParticles(
            filename=self.getOutputPath("particles.sqlite"))
        n = 10
        fn = self.particles
        ctfs = [
            CTFModel(defocusU=10000, defocusV=15000, defocusAngle=15),
            CTFModel(defocusU=20000, defocusV=25000, defocusAngle=25)
        ]
        acquisition = Acquisition(magnification=60000,
                                  voltage=300,
                                  sphericalAberration=2.,
                                  amplitudeContrast=0.07)
        imgSet.setAcquisition(acquisition)
        coord = Coordinate()
        coord.setMicId(1)

        for i in range(n):
            p = Particle()
            p.setLocation(i + 1, fn)
            ctf = ctfs[i % 2]
            p.setCTF(ctf)
            p.setAcquisition(acquisition)
            p._xmipp_zScore = Float(i)
            coord.setX(i * 10)
            coord.setY(i * 10)
            p.setCoordinate(coord)
            imgSet.append(p)

        fnStar = self.getOutputPath('particles.star')
        fnStk = self.getOutputPath('particles.stk')

        print ">>> Writing to file: %s" % fnStar
        relion.writeSetOfParticles(imgSet, fnStar, fnStk)

        mdAll = md.MetaData(fnStar)
        self.assertTrue(mdAll.containsLabel(md.RLN_IMAGE_COORD_X))
        self.assertTrue(mdAll.containsLabel(md.RLN_IMAGE_COORD_Y))
        self.assertFalse(mdAll.containsLabel(md.RLN_SELECT_PARTICLES_ZSCORE))
Example #2
0
    def test_particlesWithPhaseShiftToStar(self):
        """ Write a SetOfParticles to Relion star input file. """
        imgSet = SetOfParticles(filename=self.getOutputPath("particles_ph_sh.sqlite"))
        n = 10
        fn = self.getFile('particles_binary')
        ctfs = [CTFModel(defocusU=10000, defocusV=15000,
                         defocusAngle=15, phaseShift=90),
                CTFModel(defocusU=20000, defocusV=25000,
                         defocusAngle=25, phaseShift=60)
                ]
        acquisition = Acquisition(magnification=60000, voltage=300,
                                  sphericalAberration=2.,
                                  amplitudeContrast=0.07)
        imgSet.setAcquisition(acquisition)
        coord = Coordinate()
        coord.setMicId(1)

        for i in range(n):
            p = Particle()
            p.setLocation(i + 1, fn)
            ctf = ctfs[i % 2]
            p.setCTF(ctf)
            p.setAcquisition(acquisition)
            p._xmipp_zScore = Float(i)
            coord.setX(i * 10)
            coord.setY(i * 10)
            p.setCoordinate(coord)
            imgSet.append(p)

        fnStar = self.getOutputPath('particles_ph_sh.star')
        fnStk = self.getOutputPath('particles.stk')

        print (">>> Writing to file: %s" % fnStar)
        relion.writeSetOfParticles(imgSet, fnStar, fnStk)

        mdAll = md.MetaData(fnStar)
        self.assertTrue(mdAll.containsLabel(md.RLN_IMAGE_COORD_X))
        self.assertTrue(mdAll.containsLabel(md.RLN_IMAGE_COORD_Y))
        self.assertFalse(mdAll.containsLabel(md.RLN_SELECT_PARTICLES_ZSCORE))
        self.assertTrue(mdAll.containsLabel(md.RLN_CTF_PHASESHIFT))
Example #3
0
    def launchTest(self, fileKey, mList, alignType=None, **kwargs):
        """ Helper function to launch similar alignment tests
        give the EMX transformation matrix.
        Params:
            fileKey: the file where to grab the input stack images.
            mList: the matrix list of transformations
                (should be the same length of the stack of images)
        """
        print "\n"
        print "*" * 80
        print "* Launching test: ", fileKey
        print "*" * 80

        is2D = alignType == ALIGN_2D

        stackFn = self.dataset.getFile(fileKey)
        partFn1 = self.getOutputPath(fileKey + "_particles1.sqlite")
        mdFn = self.getOutputPath(fileKey + "_particles.star")
        partFn2 = self.getOutputPath(fileKey + "_particles2.sqlite")

        if self.IS_ALIGNMENT:
            outputFn = self.getOutputPath(fileKey + "_output.mrcs")
            outputFnRelion = self.getOutputPath(fileKey + "_output")
            goldFn = self.dataset.getFile(fileKey + '_Gold_output_relion.mrcs')
        else:
            outputFn = self.getOutputPath(fileKey + "_output.vol")
            goldFn = self.dataset.getFile(fileKey + '_Gold_output.vol')

        if PRINT_FILES:
            print "BINARY DATA: ", stackFn
            print "SET1:        ", partFn1
            print "  MD:        ", mdFn
            print "SET2:        ", partFn2
            print "OUTPUT:      ", outputFn
            print "GOLD:        ", goldFn

        if alignType == ALIGN_2D or alignType == ALIGN_PROJ:
            partSet = SetOfParticles(filename=partFn1)
        else:
            partSet = SetOfVolumes(filename=partFn1)
        partSet.setAlignment(alignType)
        partSet.setAcquisition(
            Acquisition(voltage=300,
                        sphericalAberration=2,
                        amplitudeContrast=0.1,
                        magnification=60000))
        # Populate the SetOfParticles with  images
        # taken from images.mrc file
        # and setting the previous alignment parameters
        aList = [numpy.array(m) for m in mList]
        for i, a in enumerate(aList):
            p = Particle()
            p.setLocation(i + 1, stackFn)
            p.setTransform(Transform(a))
            partSet.append(p)
        # Write out the .sqlite file and check that are correctly aligned
        print "Parset", partFn1
        partSet.printAll()
        partSet.write()
        # Convert to a Xmipp metadata and also check that the images are
        # aligned correctly
        if alignType == ALIGN_2D or alignType == ALIGN_PROJ:
            relion.writeSetOfParticles(partSet,
                                       mdFn,
                                       "/tmp",
                                       alignType=alignType)
            partSet2 = SetOfParticles(filename=partFn2)
        else:
            relion.writeSetOfVolumes(partSet, mdFn, alignType=alignType)
            partSet2 = SetOfVolumes(filename=partFn2)
        # Let's create now another SetOfImages reading back the written
        # Xmipp metadata and check one more time.
        partSet2.copyInfo(partSet)
        if alignType == ALIGN_2D or alignType == ALIGN_PROJ:
            relion.readSetOfParticles(mdFn, partSet2, alignType=alignType)
        else:
            relion.readSetOfVolumes(mdFn, partSet2, alignType=alignType)

        partSet2.write()

        if PRINT_MATRIX:
            for i, img in enumerate(partSet2):
                m1 = aList[i]
                m2 = img.getTransform().getMatrix()
                print "-" * 5
                print img.getFileName(), img.getIndex()
                print 'm1:\n', m1, relion.geometryFromMatrix(m1, False)

                print 'm2:\n', m2, relion.geometryFromMatrix(m2, False)
                # self.assertTrue(numpy.allclose(m1, m2, rtol=1e-2))

        # Launch apply transformation and check result images
        runRelionProgram(self.CMD % locals())

        if SHOW_IMAGES:
            runRelionProgram('scipion show %(outputFn)s' % locals())

        if os.path.exists(goldFn):
            self.assertTrue(
                ImageHandler().compareData(goldFn, outputFn, tolerance=0.001),
                "Different data files:\n>%s\n<%s" % (goldFn, outputFn))
Example #4
0
    def launchTest(self, fileKey, mList, alignType=None, **kwargs):
        """ Helper function to launch similar alignment tests
        give the EMX transformation matrix.
        Params:
            fileKey: the file where to grab the input stack images.
            mList: the matrix list of transformations
                (should be the same length of the stack of images)
        """
        print ("\n")
        print ("*" * 80)
        print ("* Launching test: ", fileKey)
        print ("*" * 80)

        is2D = alignType == ALIGN_2D

        stackFn = self.dataset.getFile(fileKey)
        partFn1 = self.getOutputPath(fileKey + "_particles1.sqlite")
        mdFn = self.getOutputPath(fileKey + "_particles.star")
        partFn2 = self.getOutputPath(fileKey + "_particles2.sqlite")

        if self.IS_ALIGNMENT:
            outputFn = self.getOutputPath(fileKey + "_output.mrcs")
            outputFnRelion = self.getOutputPath(fileKey + "_output")
            goldFn = self.dataset.getFile(fileKey + '_Gold_output_relion.mrcs')
        else:
            outputFn = self.getOutputPath(fileKey + "_output.vol")
            goldFn = self.dataset.getFile(fileKey + '_Gold_output.vol')

        if PRINT_FILES:
            print("BINARY DATA: ", stackFn)
            print("SET1:        ", partFn1)
            print("  MD:        ", mdFn)
            print("SET2:        ", partFn2)
            print("OUTPUT:      ", outputFn)
            print("GOLD:        ", goldFn)

        if alignType == ALIGN_2D or alignType == ALIGN_PROJ:
            partSet = SetOfParticles(filename=partFn1)
        else:
            partSet = SetOfVolumes(filename=partFn1)
        partSet.setAlignment(alignType)
        partSet.setAcquisition(Acquisition(voltage=300,
                                           sphericalAberration=2,
                                           amplitudeContrast=0.1,
                                           magnification=60000))
        # Populate the SetOfParticles with  images
        # taken from images.mrc file
        # and setting the previous alignment parameters
        aList = [numpy.array(m) for m in mList]
        for i, a in enumerate(aList):
            p = Particle()
            p.setLocation(i + 1, stackFn)
            p.setTransform(Transform(a))
            partSet.append(p)
        # Write out the .sqlite file and check that are correctly aligned
        print ("Parset", partFn1)
        partSet.printAll()
        partSet.write()
        # Convert to a Xmipp metadata and also check that the images are
        # aligned correctly
        if alignType == ALIGN_2D or alignType == ALIGN_PROJ:
            relion.writeSetOfParticles(partSet, mdFn,"/tmp", alignType=alignType)
            partSet2 = SetOfParticles(filename=partFn2)
        else:
            relion.writeSetOfVolumes(partSet, mdFn, alignType=alignType)
            partSet2 = SetOfVolumes(filename=partFn2)
        # Let's create now another SetOfImages reading back the written
        # Xmipp metadata and check one more time.
        partSet2.copyInfo(partSet)
        if alignType == ALIGN_2D or alignType == ALIGN_PROJ:
            relion.readSetOfParticles(mdFn, partSet2, alignType=alignType)
        else:
            relion.readSetOfVolumes(mdFn, partSet2, alignType=alignType)

        partSet2.write()

        if PRINT_MATRIX:
            for i, img in enumerate(partSet2):
                m1 = aList[i]
                m2 = img.getTransform().getMatrix()
                print ("-" * 5)
                print (img.getFileName(), img.getIndex())
                print ('m1:\n', m1, relion.geometryFromMatrix(m1, False))

                print ('m2:\n', m2, relion.geometryFromMatrix(m2, False))
                # self.assertTrue(numpy.allclose(m1, m2, rtol=1e-2))

        # Launch apply transformation and check result images
        runRelionProgram(self.CMD % locals())

        if SHOW_IMAGES:
            runRelionProgram('scipion show %(outputFn)s' % locals())

        if os.path.exists(goldFn):
            self.assertTrue(
                ImageHandler().compareData(goldFn, outputFn, tolerance=0.001),
                "Different data files:\n>%s\n<%s" % (goldFn, outputFn))