Python wrapper for running instances of trisurf-ng
Samo Penic
2018-05-24 5e1956510b43a1cdb184cc99b186d573f5227f00
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from ctypes import *
 
TS_SUCCESS=0
TS_FAIL=1
 
TS_ID_FILAMENT=1
 
TS_COORD_CARTESIAN=0
TS_COORD_SPHERICAL=1
TS_COORD_CYLINDRICAL=2
 
 
class ts_coord(Structure):
    _fields_=[
        ("e1", c_double),
        ("e2", c_double),
        ("e3", c_double),
        ("coord_type", c_uint)
        ]
class ts_vertex(Structure):
    pass
class ts_bond(Structure):
    pass
class ts_triangle(Structure):
    pass
class ts_cell(Structure):
    pass
class ts_poly(Structure):
    pass
class ts_cluster(Structure):
    pass
ts_vertex._fields_=[
        ('idx',c_uint),
        ('x',c_double),
        ('y',c_double),
        ('z',c_double),
        ('neigh_no',c_uint),
        ('neigh', POINTER(POINTER(ts_vertex))),
        ('bond_length', POINTER(c_double)),
        ('bond_length_dual',POINTER(c_double)),
        ('curvature', c_double),
        ('energy', c_double),
        ('energy_h',c_double),
        ('tristar_no', c_uint),
        ('tristar', POINTER(POINTER(ts_triangle))),
        ('bond_no',c_uint),
        ('bond',POINTER(POINTER(ts_bond))),
        ('cell',POINTER(ts_cell)),
        ('xk',c_double),
        ('c',c_double),
        ('id', c_uint),
        ('projArea',c_double),
        ('relR', c_double),
        ('solAngle', c_double),
        ('grafted_poly', POINTER(ts_poly)),
        ('cluster',POINTER(ts_cluster)),
        ]
class ts_vertex_list(Structure):
    _fields_=[('n',c_uint), ('vtx',POINTER(POINTER(ts_vertex)))]
 
ts_bond._fields_=[('idx',c_uint),
        ('vtx1', POINTER(ts_vertex)),
        ('vtx2', POINTER(ts_vertex)),
        ('bond_length',c_double),
        ('bond_length_dual',c_double),
        ('tainted', c_char),
        ('energy',c_double),
        ('x',c_double),
        ('y',c_double),
        ('z',c_double),
    ]
class ts_bond_list(Structure):
    _fields_=[('n', c_uint),('bond',POINTER(POINTER(ts_bond)))]
 
ts_triangle._fields_=[
        ('idx',c_uint),
        ('vertex', POINTER(ts_vertex)*3),
        ('neigh_no',c_uint),
        ('neigh', POINTER(POINTER(ts_triangle))),
        ('xnorm', c_double),
        ('ynorm', c_double),
        ('znorm', c_double),
        ('area', c_double),
        ('volume', c_double),
        ('energy', c_double),
    ]
 
class ts_triangle_list(Structure):
    _fields_=[('n',c_uint),('a0',c_double),('tria', POINTER(POINTER(ts_triangle))),]
 
 
ts_cell._fields_=[
    ('idx', c_uint),
    ('vertex', POINTER(POINTER(ts_vertex))),
    ('nvertex', c_uint),
    ]        
 
class ts_cell_list(Structure):
    _fields_=[
        ('ncmax', c_uint*3),
        ('cellno', c_uint),
        ('cell',POINTER(POINTER(ts_cell))),
        ('dcell', c_double),
        ('shift', c_double),
        ('max_occupancy', c_double),
        ('dmin_interspecies', c_double)
    ]
 
class ts_spharm(Structure):
    _fields_=[
        ('l',c_uint),
        ('ulm', POINTER(POINTER(c_double))),
    #    ('ulmComplex', POINTER(POINTER(gsl_complex))), #poisci!!!!
        ('ulmComplex', POINTER(POINTER(c_double))), #temporary solution
        ('sumUlm2', POINTER(POINTER(c_double))),
        ('N', c_uint),
        ('co',POINTER(POINTER(c_double))),
        ('Ylmi', POINTER(POINTER(c_double))),
        ]
 
ts_poly._fields_=[
        ('vlist', POINTER(ts_vertex_list)),
        ('blist', POINTER(ts_bond_list)),
        ('grafted_vtx',POINTER(ts_vertex)),
        ('k', c_double),
    ]
 
class ts_poly_list(Structure):
    _fields_=[('n',c_uint),('poly',POINTER(POINTER(ts_poly)))]
 
class ts_tape(Structure):
    _fields_=[
        ('nshell',c_long),
        ('ncxmax',c_long),
        ('ncymax',c_long),
        ('nczmax',c_long),
        ('npoly',c_long),
        ('nmono',c_long),
        ('internal_poly',c_long),
        ('nfil',c_long),
        ('nfono', c_long),
        ('R_nucleus',c_long),
        ('R_nucleusX',c_double),
        ('R_nucleusY',c_double),
        ('R_nucleusZ',c_double),
        ('pswitch',c_long),
        ('constvolswitch',c_long),
        ('constareaswitch',c_long),
        ('stretchswitch',c_long),
        ('xkA0',c_double),
        ('constvolprecision',c_double),
        ('multiprocessing',c_char_p),
        ('brezveze0',c_long),
        ('brezveze1',c_long),
        ('brezveze2',c_long),
        ('xk0',c_double),
        ('dmax',c_double),
        ('dmin_interspecies',c_double),
        ('stepsize',c_double),
        ('kspring',c_double),
        ('xi',c_double),
        ('pressure',c_double),
        ('iterations',c_long),
        ('inititer',c_long),
        ('mcsweeps',c_long),
        ('quiet',c_long),
        ('shc',c_long),
        ('number_of_vertice_with_c0',c_long),
        ('c0', c_double),
        ('w', c_double),
        ('F', c_double),
    ]
        
 
class ts_vesicle(Structure):
    _fields_=[
        ('vlist', POINTER(ts_vertex_list)),
        ('blist', POINTER(ts_bond_list)),
        ('tlist', POINTER(ts_triangle_list)),
        ('clist', POINTER(ts_cell_list)),
        ('nshell', c_uint),
        ('bending_rigidity',c_double),
        ('dmax',c_double),
        ('stepsize',c_double),
        ('cm', c_double*3),
        ('volume', c_double),
        ('sphHarmonics',POINTER(ts_spharm)),
        ('poly_list', POINTER(ts_poly_list)),
        ('filament_list', POINTER(ts_poly_list)),
        ('spring_constant', c_double),
        ('pressure', c_double),
        ('pswitch', c_int),
        ('tape', POINTER(ts_tape)),
        ('R_nucleus', c_double),
        ('R_nucleusX', c_double),
        ('R_nucleusY', c_double),
        ('R_nucleusZ', c_double),
        ('nucleus_center', c_double *3 ),
        ('area', c_double),
    ]
 
ts_cluster._fields_=[('nvtx',c_uint),('idx',c_uint),('vtx', POINTER(POINTER(ts_vertex)))]
 
class ts_cluster_list(Structure):
    _fields_=[('n',c_uint),('cluster',POINTER(POINTER(ts_cluster)))]
 
 
 
 
ts=CDLL('libtrisurf.so')
 
 
 
#function call wrappers
def create_vesicle_from_tape(tape):
    """Using pointer for tape, it creates a vesicle, returning pointer to it."""
    ts.create_vesicle_from_tape.argtype=POINTER(ts_tape)
    ts.create_vesicle_from_tape.restype=POINTER(ts_vesicle)
    return ts.create_vesicle_from_tape(tape)
 
def parsetape(filename='tape'):
    """Loads tape with  filename (if not given it defaults to 'tape'). It returns a pointer to structure for tape"""
    ts.parsetape.restype=POINTER(ts_tape)
    ts.parsetape.argtype=[c_char_p]
    return ts.parsetape(filename.encode('ascii'))
 
def parseDump(filename):
    """Loads a vtu file with 'filename' and creates a vesicle returning pointer to it"""
    ts.parseDump.argtype=[c_char_p]
    ts.parseDump.restype=POINTER(ts_vesicle)
    vesicle=ts.parseDump(filename.encode('ascii'))
    return vesicle
 
def single_timestep(vesicle):
    """Makes a single timestep in simulations. Returns a tuple of vmsrt and bfrt (vertex move success rate and bond flip success rate)"""
    ts.single_timestep.argtype=[POINTER(ts_vesicle),POINTER(c_double),POINTER(c_double)]
    vmsrt=c_double(0.0)
    bfsrt=c_double(0.0)
    ts.single_timestep(vesicle,byref(vmsrt),byref(bfsrt))
    return (vmsrt.value, bfsrt.value)
 
def write_vertex_xml_file(vesicle,timestep_no=0):
    """Writes a vesicle into file with filename 'timestep_XXXXXX.vtu', where XXXXXX is a leading zeroed number given with timestep_no parameter (defaults to 0 if not given"""
    ts.write_vertex_xml_file.argtypes=[POINTER(ts_vesicle),c_int]
    ts.write_vertex_xml_file(vesicle,c_int(timestep_no))
 
 
def vesicle_free(vesicle):
    """Free memory of the whole vesicle"""
    ts.vesicle_free.argtype=[POINTER(ts_vesicle)]
    ts.vesicle_free(vesicle)
 
def vesicle_volume(vesicle):
    ts.vesicle_volume.argtype=[POINTER(ts_vesicle)]
    ts.vesicle_volume(vesicle)
 
def vesicle_area(vesicle):
    ts.vesicle_area.argtype=[POINTER(ts_vesicle)]
    ts.vesicle_area(vesicle)
 
def gyration_eigen(vesicle):
    ts.gyration_eigen.argtype=[POINTER(ts_vesicle), POINTER(c_double), POINTER(c_double), POINTER(c_double)]
    l1=c_double(0.0)
    l2=c_double(0.0)
    l3=c_double(0.0)
    ts.gyration_eigen(vesicle , byref(l1), byref(l2), byref(l3))
    return (l1.value, l2.value, l3.value)
 
def vesicle_meancurvature(vesicle):
    ts.vesicle_meancurvature.argtype=[POINTER(ts_vesicle)]
    ts.vesicle_meancurvature.restype=c_double
    return ts.vesicle_meancurvature(vesicle)
 
def init_cluster_list():
    ts.init_cluster_list.restype=POINTER(ts_cluster_list)
    ret=ts.init_cluster_list()
    return ret
 
def clusterize_vesicle(vesicle, cluster_list):
    ts.clusterize_vesicle.argtype=[POINTER(ts_vesicle), POINTER(ts_cluster_list)]
    ts.clusterize_vesicle(vesicle, cluster_list)
 
def cluster_list_free(cluster_list):
    """Free memory of cluster list"""
    ts.cluster_list_free.argtype=[POINTER(ts_cluster_list)]
    ts.cluster_list_free(cluster_list)
 
def stretchenergy(vesicle, triangle):
    ts.stretchenergy.argtype=[POINTER(ts_vesicle), POINTER(ts_triangle)]
    ts.stretchenergy(vesicle,triangle)