def test_get_fg_chain_roots(self):
        '''
        Test that SimulationData.get_fg_chain_roots() works correctly
        '''

        IMP.set_log_level(IMP.SILENT)
        test_util.test_protobuf_installed(self)
        cfg_file = self.get_tmp_file_name("barak_config.pb")
        assign_file = self.get_tmp_file_name("barak_assign.pb")
        coords = self._create_cfg_file_with_fgs(cfg_file)
        print("assigning parameter ranges from config")
        num=assign_ranges( cfg_file, assign_file, 0, False, 10 )
        print ("Loading SimData")
        sd= IMP.npctransport.SimulationData(assign_file, False)
        sd.set_rmf_file( self.get_tmp_file_name("out.rmf") )
        fgs = sd.get_fg_chain_roots( ) # atom.Hierarchies
        print (" fgs ", fgs)
        ones = 0
        twos = 0
        for fg in fgs:
            chain = get_fg_chain(fg)
            type_name = IMP.core.Typed(fg.get_child(0)).get_type().get_string()
            if(type_name == "my_fg1"):
                self.assert_(chain.get_number_of_beads() == 3)
                ones = ones + 1
            if(type_name == "my_fg2"):
                self.assert_(chain.get_number_of_beads() == 6)
                twos = twos + 1
        self.assert_(ones == 2 and twos == 3)
Exemplo n.º 2
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    def test_get_fg_chain_roots(self):
        '''
        Test that SimulationData.get_fg_chain_roots() works correctly
        '''

        IMP.set_log_level(IMP.SILENT)
        test_util.test_protobuf_installed(self)
        cfg_file = self.get_tmp_file_name("barak_config.pb")
        assign_file = self.get_tmp_file_name("barak_assign.pb")
        coords = self._create_cfg_file_with_fgs(cfg_file)
        print("assigning parameter ranges from config")
        num = assign_ranges(cfg_file, assign_file, 0, False, 10)
        print("Loading SimData")
        sd = IMP.npctransport.SimulationData(assign_file, False)
        sd.set_rmf_file(self.get_tmp_file_name("out.rmf"))
        fgs = sd.get_fg_chain_roots()  # atom.Hierarchies
        print(" fgs ", fgs)
        ones = 0
        twos = 0
        for fg in fgs:
            chain = get_fg_chain(fg)
            type_name = IMP.core.Typed(fg.get_child(0)).get_type().get_string()
            if (type_name == "my_fg1"):
                self.assertEqual(chain.get_number_of_beads(), 3)
                ones = ones + 1
            if (type_name == "my_fg2"):
                self.assertEqual(chain.get_number_of_beads(), 6)
                twos = twos + 1
        self.assertTrue(ones == 2 and twos == 3)
Exemplo n.º 3
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 def test_copy_fgs(self):
     test_util.test_protobuf_installed(self)
     config_fname = "./config_fg_copy.pb" # self.get_tmp_file_name("simple_cfg.pb")
     output_fname1 = "./output_fg_copy.pb" # self.get_tmp_file_name("test_fg_copy.pb")
     output_fname2 = "./output_fg_copy.pb" # self.get_tmp_file_name("test_fg_copy.pb")
     rmf_fname1 = "./rmf_fg_copy.rmf" # self.get_tmp_file_name("test_fg_copy.pb")
     rmf_fname2 = "./rmf_fg_copy2.rmf" # self.get_tmp_file_name("test_fg_copy.pb")
     test_util.make_simple_cfg(
         config_fname,
         is_slab_on=True,
         n_particles_factor=3.0,
         is_obstacles=True)
     sd1= run_from_config(config_fname, output_fname1, rmf_fname1)
     sd2= run_from_config(config_fname, output_fname2, rmf_fname2)
     fg_beads1= get_fg_beads_from_simulation_data(sd1)
     fg_beads2= get_fg_beads_from_simulation_data(sd2)
     # Verify that not all are equal initially:
     are_all_equal= True
     for p1, p2 in zip(fg_beads1, fg_beads2):
         if not are_rigid_body_reference_frames_equal \
            ( IMP.core.RigidBody(p1), IMP.core.RigidBody(p2) ):
             are_all_equal=False
     self.assertFalse(are_all_equal)
     # Copy then verify that all are equal now:
     IMP.npctransport.copy_FGs_coordinates(sd1, sd2)
     for p1, p2 in zip(fg_beads1, fg_beads2):
         self.assertTrue(are_rigid_body_reference_frames_equal \
                         ( IMP.core.RigidBody(p1), IMP.core.RigidBody(p2) ) )
     if IMP.get_check_level() >= IMP.USAGE_AND_INTERNAL:
         sd2.get_bd().optimize(1)
     else:
         sd2.get_bd().optimize(20000)
Exemplo n.º 4
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 def test_copy_fgs(self):
     test_util.test_protobuf_installed(self)
     config_fname = "./config_fg_copy.pb"  # self.get_tmp_file_name("simple_cfg.pb")
     output_fname1 = "./output_fg_copy.pb"  # self.get_tmp_file_name("test_fg_copy.pb")
     output_fname2 = "./output_fg_copy.pb"  # self.get_tmp_file_name("test_fg_copy.pb")
     rmf_fname1 = "./rmf_fg_copy.rmf"  # self.get_tmp_file_name("test_fg_copy.pb")
     rmf_fname2 = "./rmf_fg_copy2.rmf"  # self.get_tmp_file_name("test_fg_copy.pb")
     test_util.make_simple_cfg(config_fname,
                               is_slab_on=True,
                               n_particles_factor=3.0,
                               is_obstacles=True)
     sd1 = run_from_config(config_fname, output_fname1, rmf_fname1)
     sd2 = run_from_config(config_fname, output_fname2, rmf_fname2)
     fg_beads1 = get_fg_beads_from_simulation_data(sd1)
     fg_beads2 = get_fg_beads_from_simulation_data(sd2)
     # Verify that not all are equal initially:
     are_all_equal = True
     for p1, p2 in zip(fg_beads1, fg_beads2):
         if not are_rigid_body_reference_frames_equal \
            ( IMP.core.RigidBody(p1), IMP.core.RigidBody(p2) ):
             are_all_equal = False
     self.assertFalse(are_all_equal)
     # Copy then verify that all are equal now:
     IMP.npctransport.copy_FGs_coordinates(sd1, sd2)
     for p1, p2 in zip(fg_beads1, fg_beads2):
         self.assertTrue(are_rigid_body_reference_frames_equal \
                         ( IMP.core.RigidBody(p1), IMP.core.RigidBody(p2) ) )
     if IMP.get_check_level() >= IMP.USAGE_AND_INTERNAL:
         sd2.get_bd().optimize(1)
     else:
         sd2.get_bd().optimize(20000)
Exemplo n.º 5
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    def test_fg_anchoring_through_protobuf(self):
        '''
        Test that FG nups can be anchored properly through protobuf file
        '''

        IMP.set_log_level(IMP.SILENT)
        test_util.test_protobuf_installed(self)
        cfg_file = self.get_tmp_file_name("barak_config.pb")
        assign_file = self.get_tmp_file_name("barak_assign.pb")
        coords = self._create_cfg_file_with_fg_anchors(cfg_file)
        print("assigning parameter ranges from config")
        num = IMP.npctransport.assign_ranges(cfg_file, assign_file, 0, False,
                                             10)
        sd = IMP.npctransport.SimulationData(assign_file, False, "")
        #                                            self.get_tmp_file_name("out.rmf"));
        self._assert_anchors_in_place(sd, coords)
        # verify that anchors remain intact during optimization
        if IMP.get_check_level() >= IMP.USAGE_AND_INTERNAL:
            short_init_factor = 0.00001
            print("short position initialization in non-fast mode")
        else:
            short_init_factor = 0.1
        IMP.npctransport.initialize_positions(sd, [], False, short_init_factor)
        self._assert_anchors_in_place(sd, coords)
        sd.get_bd().optimize(1000)
        self._assert_anchors_in_place(sd, coords)
    def _test_harmonic_spring_score_from_protobuf(self, n_beads=2):
        '''
        Test that FG nups can be anchored properly through protobuf file
        '''
        global NS_PER_CHUNK

        IMP.set_log_level(IMP.SILENT)
        test_util.test_protobuf_installed(self)
        cfg_file = self.get_tmp_file_name("barak_config.pb")
        #        assign_file = self.get_tmp_file_name("barak_assign.pb")
        assign_file = "output2.pb"
        self._create_cfg_file_with_fg_anchors(cfg_file, n_beads)
        print("assigning parameter ranges from config")
        num = IMP.npctransport.assign_ranges(cfg_file, assign_file, 0, False,
                                             10)
        sd = IMP.npctransport.SimulationData(assign_file, False, "")
        #                                            "out2.rmf")
        #                                            self.get_tmp_file_name("out.rmf"));
        # verify that anchors remain intact during optimization
        if IMP.get_check_level() >= IMP.USAGE_AND_INTERNAL:
            short_init_factor = 0.0001
            n_opt_cycles = 10
            print("short position initialization in non-fast mode")
        else:
            n_opt_cycles = 100000
            short_init_factor = 1.0
        IMP.npctransport.initialize_positions(sd, [], False, short_init_factor)

        print("Energy before optimization:",
              sd.get_bd().get_scoring_function().evaluate(False))

        print("Optimizing")
        print("dT %.1f fs" % sd.get_bd().get_maximum_time_step())
        sd.get_bd().optimize(n_opt_cycles)
        print()

        print("Energy after optimization:",
              sd.get_bd().get_scoring_function().evaluate(False))

        print("Report particles:")
        self._do_particles_report(sd.get_model(), sd.get_beads())
        print()

        sim_time_ns = 500 * TAU_NS
        sd.get_bd().set_current_time(0.0)
        sd.activate_statistics()
        print("Running for %.1f ns" % sim_time_ns)
        R = test_util.optimize_in_chunks(sd, sim_time_ns, NS_PER_CHUNK)
        #        print(R[0:100])

        self._analyze_run(assign_file, R)
Exemplo n.º 7
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 def test_Avro2PBReader(self):
     """ Testing whether an avro file is read properly by Avro2PBReader """
     test_util.test_protobuf_installed(self)
     in_avro = self.get_input_file_name("avro.sample")
     print("parsing", in_avro)
     a = IMP.npctransport.Avro2PBReader([in_avro])
     o = IMP.npctransport.Output()
     s = a.read_next()
     while len(s) > 0:  # while valid output
         o.ParseFromString(s)
         rg = o.statistics.fgs[0].radius_of_gyration
         #     print rg
         s = a.read_next()
     self.assertAlmostEqual(rg, 40.2645193868, 7)
Exemplo n.º 8
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 def test_init_from_old_output_more_recent(self):
     """
     Testing whether a more recent output file (Dec 2013) is loaded
     at all
     """
     return
     print("TEST_INIT_FROM_OLD_OUTPUT_MORE_RECENT")
     test_util.test_protobuf_installed(self)
     IMP.set_log_level(IMP.SILENT)
     rt_prev_output = self.get_input_file_name("out_more_recent.pb")
     out_rmf = self.get_tmp_file_name("movie.rmf")
     rt_new_output = self.get_tmp_file_name("out.pb")
     print("reloading from output file ", rt_prev_output)
     print("New Output: ", rt_new_output)
     sd = IMP.npctransport.SimulationData(rt_prev_output, False, out_rmf,
                                          rt_new_output)
     sd.activate_statistics()
     sd.set_rmf_file(out_rmf, False)
 def test_init_from_old_output_more_recent(self):
     """
     Testing whether a more recent output file (Dec 2013) is loaded
     at all
     """
     return
     print("TEST_INIT_FROM_OLD_OUTPUT_MORE_RECENT")
     test_util.test_protobuf_installed(self)
     IMP.set_log_level(IMP.SILENT)
     rt_prev_output = self.get_input_file_name("out_more_recent.pb")
     out_rmf = self.get_tmp_file_name("movie.rmf")
     rt_new_output = self.get_tmp_file_name("out.pb")
     print("reloading from output file ", rt_prev_output)
     print("New Output: ", rt_new_output)
     sd = IMP.npctransport.SimulationData(rt_prev_output,
                                          False,
                                          out_rmf,
                                          rt_new_output)
     sd.activate_statistics()
     sd.set_rmf_file(out_rmf, False)
Exemplo n.º 10
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    def test_init_from_output(self):
        """ Testing whether positions are loaded properly from output file """
        print("TEST_INIT_FROM_OUTPUT")
        test_util.test_protobuf_installed(self)
        # random generator initialization
        IMP.set_log_level(IMP.SILENT)
        config = self.get_tmp_file_name("simple_cfg.pb")
        test_util.make_simple_cfg(config,
                                  is_slab_on=True,
                                  n_particles_factor=1.5,
                                  is_obstacles=True)
        rt_output = self.get_tmp_file_name(
            "round_trip_output.pb")  # "./test.pb" #
        print("Config ", config)
        print("RT output: ", rt_output)
        sd = self.run_from_config(config, rt_output)

        print("reloading from output file ", rt_output)
        sdp = IMP.npctransport.SimulationData(rt_output, False)
        sdp.activate_statistics()
        sd.set_rmf_file(self.get_tmp_file_name("out1.rmf"), False)
        print("After reload", time.ctime())
        self.assert_almost_equal_sds(sd, sdp)
    def test_init_from_output(self):
        """ Testing whether positions are loaded properly from output file """
        print("TEST_INIT_FROM_OUTPUT")
        test_util.test_protobuf_installed(self)
        # random generator initialization
        IMP.set_log_level(IMP.SILENT)
        config = self.get_tmp_file_name("simple_cfg.pb")
        test_util.make_simple_cfg(
            config,
            is_slab_on=True,
            n_particles_factor=1.5,
            is_obstacles=True)
        rt_output = self.get_tmp_file_name("round_trip_output.pb") # "./test.pb" #
        print("Config ", config)
        print("RT output: ", rt_output)
        sd = self.run_from_config(config, rt_output)

        print("reloading from output file ", rt_output)
        sdp = IMP.npctransport.SimulationData(rt_output, False)
        sdp.activate_statistics()
        sd.set_rmf_file( self.get_tmp_file_name("out1.rmf"), False )
        print("After reload", time.ctime())
        self.assert_almost_equal_sds(sd, sdp)
    def test_sites_from_simulation_data(self):
        '''
        Test that the site interaction glues particles together
        in the context of simualtion data optimization
        '''

        # Prepare run:
        test_util.test_protobuf_installed(self)
        if IMP.get_check_level() >= IMP.USAGE_AND_INTERNAL:
            print("SLOW MODE")
            fast = False
            short_init_factor=0.0001
            opt_cycles_ns=0.05
            n_iter = 10
            n_good_thresh=1
        else:
            print("FAST MODE")
            fast = True
            short_init_factor=0.01
            opt_cycles_ns=10.0
            n_iter = 100
            n_good_thresh=3
        if(DEBUG):
            opt_cycles_ns=opt_cycles_ns*200
            n_iter=1
            cfg_file = "barak_config.pb"
            assign_file = "barak_assign.pb"
            pymol_file = "sites.pym"
            n_good_thresh=1
        else:
            cfg_file = self.get_tmp_file_name("barak_config.pb")
            assign_file = self.get_tmp_file_name("barak_assign.pb")
            pymol_file = self.get_tmp_file_name("sites.pym")
        self._create_cfg_file_with_fg_anchors( cfg_file )
#        print("assigning parameter ranges from config", cfg_file, end=' ')
#        print("to file", assign_file)
        num=assign_ranges( cfg_file, assign_file, 0, False, 10 );
        sd= IMP.npctransport.SimulationData(assign_file, False)
        if(DEBUG):
            rmf_file="tmp.rmf"
        else:
            rmf_file = self.get_tmp_file_name("out.rmf");
        print("RMF file", rmf_file)
        sd.set_rmf_file(rmf_file, False)
        self._assert_kap_in_place(sd, False)

        # Init and run:
        IMP.set_log_level(IMP.SILENT)
        sd.get_bd().set_log_level(IMP.SILENT)
        IMP.npctransport.initialize_positions( sd, [], False,
                                               short_init_factor)
        opt_cycles_frames=math.ceil(opt_cycles_ns*1E+6/sd.get_bd().get_maximum_time_step());
        print()
        print()
#        IMP.set_log_level(IMP.PROGRESS)
        sd.write_geometry(pymol_file)
        n_good=0
        timer= IMP.npctransport.timer();
        sd.get_bd().set_current_time(0.0)
        sd.activate_statistics()
        sd.get_statistics().reset_statistics_optimizer_states()
        for i in range(n_iter):
            sd.get_bd().optimize(opt_cycles_frames)
            sd.get_statistics().update(timer,opt_cycles_frames)
            try:
                self._assert_kap_in_place(sd, True)
                print ("Asserted kap interacts")
                print ("total energy", sd.get_bd().get_scoring_function().evaluate(False),)
                print ("predr", sd.get_scoring().get_predicates_pair_restraint().evaluate(False))
                self.assert_(sd.get_scoring().get_predicates_pair_restraint().evaluate(False) < -30.0)
                n_good=n_good+1
                print("NGOOD", n_good)
                self.assert_(self.is_stats_interact_(assign_file))
                print("stats interact asserted")
            except AssertionError:
                continue
            if(n_good >= n_good_thresh):
                print("total energy", sd.get_bd().get_scoring_function().evaluate(False), end=' ')
                print("predr", sd.get_scoring().get_predicates_pair_restraint().evaluate(False), end=' ')
                return True
        if fast:
            print("Failed to glue particles after %d iterations x %d opt frames (total %.3f ns)" \
                % (n_iter, opt_cycles_frames, opt_cycles_ns*n_iter))
            self.assert_(n_good >= n_good_thresh)
        else:
            print("Debug mode - couldn't glue particles in such short run")
Exemplo n.º 13
0
    def test_init_from_old_output1(self):
        """ Testing whether an old output file is loaded properly """
        return
        print("TEST_INIT_FROM_OLD_OUTPUT1")
        test_util.test_protobuf_installed(self)
        expected_sites = [(3.67394e-15, 0, -30),
                          (17.2447, -0.377296, -24.5455),
                          (-1.55764, -23.0892, -19.0909),
                          (-19.7675, 17.9804, -13.6364),
                          (28.589, -3.96571, -8.18182),
                          (-28.2097, -9.8375, -2.72727),
                          (20.6227, 21.6163, 2.72727),
                          (-4.64461, -28.4866, 8.18182),
                          (-17.9874, 19.7612, 13.6364),
                          (17.8043, 14.7833, 19.0909),
                          (13.5084, 10.7259, 24.5455), (0, 0, 30)]
        expected_time = 12500039289
        expected_particles = [
            [-253.636, -108.652, 40.4134, 1, 0, 0, 0],  #trans + quaternion
            [-236.08, -127.91, 27.47, 0.23, 0.33, -0.84, -0.36]
        ]

        # random generator initialization
        # RMF.set_log_level("trace")
        IMP.set_log_level(IMP.SILENT)
        rt_prev_output = self.get_input_file_name("out149.pb")
        out_rmf = self.get_tmp_file_name("movie.rmf")
        rt_new_output = self.get_tmp_file_name("out.pb")
        print("reloading from output file ", rt_prev_output)
        print("New Output: ", rt_new_output)
        sd = IMP.npctransport.SimulationData(rt_prev_output, False, out_rmf,
                                             rt_new_output)
        sd.activate_statistics()
        sd.set_rmf_file(out_rmf, False)
        for i, p in enumerate(sd.get_beads()):
            if (i >= len(expected_particles)):
                break
            pc = [x for x in IMP.core.XYZ(p).get_coordinates()]
            pq = [
                x for x in IMP.core.RigidBody(p).get_reference_frame().
                get_transformation_to().get_rotation().get_quaternion()
            ]
            for x, y in zip(pc + pq, expected_particles[i]):
                self.assertAlmostEqual(x, y, delta=0.1)
#            if(not IMP.npctransport.Transporting.get_is_setup(p)):
#                continue
#            pt = IMP.npctransport.Transporting(p)
#            print "T: ", pt.get_is_last_entry_from_top(),
#            print pt.get_last_tracked_z(),
#            print pt.get_n_entries_bottom(),
#            print pt.get_n_entries_top(),
#            print
        sites = sd.get_sites(IMP.core.ParticleType("kap"))
        for i, s in enumerate(sites):
            self.assertAlmostEqual(
                (s.get_center() - expected_sites[i]).get_magnitude(),
                0,
                delta=.01)
        # check timers
        t = sd.get_bd().get_current_time()
        self.assertAlmostEqual(t, expected_time, delta=1)
    def test_init_from_rmf(self):
        """ Testing whether initialize_positions_from_rmf indeed
            restores the beads coordinates correctly """
        IMP.set_log_level( IMP.SILENT );
        test_util.test_protobuf_installed(self)
        # First simulation with one seed:
        output_pb1= self.get_tmp_file_name( "output1.pb" );
        output_rmf1= IMP.create_temporary_file_name( "output", ".rmf" );
        print("Starting first simulation with RMF file " + output_rmf1)
        sd = self._make_and_run_simulation( output_pb1, output_rmf1, seed = 1)
        e1 = sd.get_bd().get_scoring_function().evaluate(False)
        print ("*** After first simulation")
        print ("Energy %.2f" % e1)
        coordsI = self._get_beads_coords( sd )
        sd = None

        # Second simulation with another seed:
        output_pb2= self.get_tmp_file_name( "output2.pb" );
        output_rmf2= IMP.create_temporary_file_name( "output2", ".rmf" );
        print("*** Starting second simulation with RMF file " + output_rmf2)
        print("YYY")
        sd = self._make_and_run_simulation( output_pb2, output_rmf2, seed = 2)
        print("XXX")
        e2 = sd.get_bd().get_scoring_function().evaluate(False)
        print ("*** After second simulation")
        print ("Energy %.2f" % e2)
        coordsII = self._get_beads_coords( sd )

        # Restoration from first simulation through rmf file:
        print("*** Initializing positions from RMF file " + output_rmf1)
        fl= RMF.open_rmf_file_read_only(output_rmf1)
        sd.initialize_positions_from_rmf( fl )
        e3 = sd.get_bd().get_scoring_function().evaluate(False)
        print("*** After initializing positions from RMF file " + output_rmf1)
        print("Energy %.2f" % e3)
        self.assertAlmostEqual(e1, e3, delta=0.0001)
        self.assertNotAlmostEqual(e1, e2, delta=0.0001)
        coordsIII = self._get_beads_coords( sd )
        # make sure that all coordinates were restored and as sanity
        # check control, also that the second simulation is different than
        # the first one:
        for i in range( len( coordsI ) ):
            for j in range(3):
                self.assertAlmostEqual(coordsI[i][j], coordsIII[i][j], delta=0.00001)
                self.assertNotAlmostEqual(coordsI[i][j], coordsII[i][j], delta=0.00001)

        # Simulate more to scramble stuff
        sd.get_bd().optimize( 1000 )
        e4 = sd.get_bd().get_scoring_function().evaluate(False)
        print ("Energy %.2f" % e4)
        coordsIV = self._get_beads_coords( sd )

        # Restoration from first simulation through output protobuf file:
        print("*** Initializing positions from ProtoBuf file " + output_pb1)
        f=open(output_pb1, "rb")
        config= IMP.npctransport.Output()
        config.ParseFromString(f.read())
        bch = RMF.BufferConstHandle( config.rmf_conformation )
        fch= RMF.open_rmf_buffer_read_only( bch )
        sd.initialize_positions_from_rmf( fch )
        e5 = sd.get_bd().get_scoring_function().evaluate(False)
        print("*** After initializing positions from RMF file " + output_rmf1)
        print("Energy %.2f" % e5)
        self.assertAlmostEqual(e1, e5, delta=0.00001)
        self.assertNotAlmostEqual(e1, e4, delta=0.00001)
        coordsV = self._get_beads_coords( sd )
        for i in range( len( coordsI ) ):
            for j in range(3):
                self.assertAlmostEqual(coordsI[i][j], coordsV[i][j], delta=0.00001)
                self.assertNotAlmostEqual(coordsI[i][j], coordsIV[i][j], delta=0.00001)
Exemplo n.º 15
0
    def test_sites_from_simulation_data(self):
        '''
        Test that the site interaction glues particles together
        in the context of simualtion data optimization
        '''

        # Prepare run:
        test_util.test_protobuf_installed(self)
        if IMP.get_check_level() >= IMP.USAGE_AND_INTERNAL:
            print("SLOW MODE")
            fast = False
            short_init_factor = 0.0001
            opt_cycles_ns = 0.05
            n_iter = 10
            n_good_thresh = 1
        else:
            print("FAST MODE")
            fast = True
            short_init_factor = 0.01
            opt_cycles_ns = 10.0
            n_iter = 100
            n_good_thresh = 3
        if (DEBUG):
            opt_cycles_ns = opt_cycles_ns * 200
            n_iter = 1
            cfg_file = "barak_config.pb"
            assign_file = "barak_assign.pb"
            pymol_file = "sites.pym"
            n_good_thresh = 1
        else:
            cfg_file = self.get_tmp_file_name("barak_config.pb")
            assign_file = self.get_tmp_file_name("barak_assign.pb")
            pymol_file = self.get_tmp_file_name("sites.pym")
        self._create_cfg_file_with_fg_anchors(cfg_file)
        #        print("assigning parameter ranges from config", cfg_file, end=' ')
        #        print("to file", assign_file)
        num = assign_ranges(cfg_file, assign_file, 0, False, 10)
        sd = IMP.npctransport.SimulationData(assign_file, False)
        if (DEBUG):
            rmf_file = "tmp.rmf"
        else:
            rmf_file = self.get_tmp_file_name("out.rmf")
        print("RMF file", rmf_file)
        sd.set_rmf_file(rmf_file, False)
        self._assert_kap_in_place(sd, False)

        # Init and run:
        IMP.set_log_level(IMP.SILENT)
        sd.get_bd().set_log_level(IMP.SILENT)
        IMP.npctransport.initialize_positions(sd, [], False, short_init_factor)
        opt_cycles_frames = math.ceil(opt_cycles_ns * 1E+6 /
                                      sd.get_bd().get_maximum_time_step())
        print()
        print()
        #        IMP.set_log_level(IMP.PROGRESS)
        sd.write_geometry(pymol_file)
        n_good = 0
        timer = IMP.npctransport.timer()
        sd.get_bd().set_current_time(0.0)
        sd.activate_statistics()
        sd.get_statistics().reset_statistics_optimizer_states()
        for i in range(n_iter):
            sd.get_bd().optimize(opt_cycles_frames)
            sd.get_statistics().update(timer, opt_cycles_frames)
            try:
                self._assert_kap_in_place(sd, True)
                print("Asserted kap interacts")
                print(
                    "total energy",
                    sd.get_bd().get_scoring_function().evaluate(False),
                )
                ppr = sd.get_scoring().get_predicates_pair_restraint()
                print("predr", ppr.evaluate(False))
                self.assertLess(ppr.evaluate(False), -30.0)
                n_good = n_good + 1
                print("NGOOD", n_good)
                self.assertTrue(self.is_stats_interact_(assign_file))
                print("stats interact asserted")
            except AssertionError:
                continue
            if (n_good >= n_good_thresh):
                print("total energy",
                      sd.get_bd().get_scoring_function().evaluate(False),
                      end=' ')
                print(
                    "predr",
                    sd.get_scoring().get_predicates_pair_restraint().evaluate(
                        False),
                    end=' ')
                return True
        if fast:
            print("Failed to glue particles after %d iterations x %d opt frames (total %.3f ns)" \
                % (n_iter, opt_cycles_frames, opt_cycles_ns*n_iter))
            self.assertGreaterEqual(n_good, n_good_thresh)
        else:
            print("Debug mode - couldn't glue particles in such short run")
    def test_init_from_old_output1(self):
        """ Testing whether an old output file is loaded properly """
        return
        print("TEST_INIT_FROM_OLD_OUTPUT1")
        test_util.test_protobuf_installed(self)
        expected_sites = [ (3.67394e-15, 0, -30),
                           (17.2447, -0.377296, -24.5455),
                           (-1.55764, -23.0892, -19.0909),
                           (-19.7675, 17.9804, -13.6364),
                           (28.589, -3.96571, -8.18182),
                           (-28.2097, -9.8375, -2.72727),
                           (20.6227, 21.6163, 2.72727),
                           (-4.64461, -28.4866, 8.18182),
                           (-17.9874, 19.7612, 13.6364),
                           (17.8043, 14.7833, 19.0909),
                           (13.5084, 10.7259, 24.5455),
                           (0, 0, 30) ]
        expected_time =  12500039289
        expected_particles=[ [-253.636, -108.652, 40.4134, 1, 0, 0, 0], #trans + quaternion
                             [-236.08, -127.91, 27.47, 0.23, 0.33, -0.84, -0.36] ]

        # random generator initialization
        # RMF.set_log_level("trace")
        IMP.set_log_level(IMP.SILENT)
        rt_prev_output = self.get_input_file_name("out149.pb")
        out_rmf = self.get_tmp_file_name("movie.rmf")
        rt_new_output = self.get_tmp_file_name("out.pb")
        print("reloading from output file ", rt_prev_output)
        print("New Output: ", rt_new_output)
        sd = IMP.npctransport.SimulationData(rt_prev_output,
                                             False,
                                             out_rmf,
                                             rt_new_output)
        sd.activate_statistics()
        sd.set_rmf_file(out_rmf, False)
        for i,p in enumerate(sd.get_beads()):
            if( i >= len(expected_particles) ):
                break
            pc= [x for x in IMP.core.XYZ(p).get_coordinates()]
            pq = [x  for x in IMP.core.RigidBody(p
               ).get_reference_frame(
               ).get_transformation_to(
               ).get_rotation(
               ).get_quaternion() ]
            for x,y in zip(pc+pq, expected_particles[i]):
                self.assertAlmostEqual(x,y, delta=0.1)
#            if(not IMP.npctransport.Transporting.get_is_setup(p)):
#                continue
#            pt = IMP.npctransport.Transporting(p)
#            print "T: ", pt.get_is_last_entry_from_top(),
#            print pt.get_last_tracked_z(),
#            print pt.get_n_entries_bottom(),
#            print pt.get_n_entries_top(),
#            print
        sites = sd.get_sites(IMP.core.ParticleType("kap"))
        for i,s in enumerate(sites):
            self.assertAlmostEqual(
                ( s.get_center() - expected_sites[i]).get_magnitude(),
                0, delta=.01 )
        # check timers
        t = sd.get_bd().get_current_time()
        self.assertAlmostEqual(t, expected_time, delta=1)
Exemplo n.º 17
0
    def test_init_from_rmf(self):
        """ Testing whether initialize_positions_from_rmf indeed
            restores the beads coordinates correctly """
        IMP.set_log_level(IMP.SILENT)
        test_util.test_protobuf_installed(self)
        # First simulation with one seed:
        output_pb1 = self.get_tmp_file_name("output1.pb")
        output_rmf1 = IMP.create_temporary_file_name("output", ".rmf")
        print("Starting first simulation with RMF file " + output_rmf1)
        sd = self._make_and_run_simulation(output_pb1, output_rmf1, seed=1)
        e1 = sd.get_bd().get_scoring_function().evaluate(False)
        print("*** After first simulation")
        print("Energy %.2f" % e1)
        coordsI = self._get_beads_coords(sd)
        sd = None

        # Second simulation with another seed:
        output_pb2 = self.get_tmp_file_name("output2.pb")
        output_rmf2 = IMP.create_temporary_file_name("output2", ".rmf")
        print("*** Starting second simulation with RMF file " + output_rmf2)
        print("YYY")
        sd = self._make_and_run_simulation(output_pb2, output_rmf2, seed=2)
        print("XXX")
        e2 = sd.get_bd().get_scoring_function().evaluate(False)
        print("*** After second simulation")
        print("Energy %.2f" % e2)
        coordsII = self._get_beads_coords(sd)

        # Restoration from first simulation through rmf file:
        print("*** Initializing positions from RMF file " + output_rmf1)
        fl = RMF.open_rmf_file_read_only(output_rmf1)
        sd.initialize_positions_from_rmf(fl)
        e3 = sd.get_bd().get_scoring_function().evaluate(False)
        print("*** After initializing positions from RMF file " + output_rmf1)
        print("Energy %.2f" % e3)
        self.assertAlmostEqual(e1, e3, delta=0.0001)
        self.assertNotAlmostEqual(e1, e2, delta=0.0001)
        coordsIII = self._get_beads_coords(sd)
        # make sure that all coordinates were restored and as sanity
        # check control, also that the second simulation is different than
        # the first one:
        for i in range(len(coordsI)):
            for j in range(3):
                self.assertAlmostEqual(coordsI[i][j],
                                       coordsIII[i][j],
                                       delta=0.00001)
                self.assertNotAlmostEqual(coordsI[i][j],
                                          coordsII[i][j],
                                          delta=0.00001)

        # Simulate more to scramble stuff
        sd.get_bd().optimize(1000)
        e4 = sd.get_bd().get_scoring_function().evaluate(False)
        print("Energy %.2f" % e4)
        coordsIV = self._get_beads_coords(sd)

        # Restoration from first simulation through output protobuf file:
        print("*** Initializing positions from ProtoBuf file " + output_pb1)
        f = open(output_pb1, "rb")
        config = IMP.npctransport.Output()
        config.ParseFromString(f.read())
        bch = RMF.BufferConstHandle(config.rmf_conformation)
        fch = RMF.open_rmf_buffer_read_only(bch)
        sd.initialize_positions_from_rmf(fch)
        e5 = sd.get_bd().get_scoring_function().evaluate(False)
        print("*** After initializing positions from RMF file " + output_rmf1)
        print("Energy %.2f" % e5)
        self.assertAlmostEqual(e1, e5, delta=0.00001)
        self.assertNotAlmostEqual(e1, e4, delta=0.00001)
        coordsV = self._get_beads_coords(sd)
        for i in range(len(coordsI)):
            for j in range(3):
                self.assertAlmostEqual(coordsI[i][j],
                                       coordsV[i][j],
                                       delta=0.00001)
                self.assertNotAlmostEqual(coordsI[i][j],
                                          coordsIV[i][j],
                                          delta=0.00001)