def __init__(self, filename, access=sns_napi.ACC_READ):
self.__HANDLE__ = sns_napi.open(filename, access)
if self.__HANDLE__ is None:
raise SystemError("Failed to read file: %s" % filename)
self.__filename = filename
self.__path = []
self.__dataopen = False
def getdata(handle):
data=sns_napi.getdata(handle)
nessi_data=nessi_list.NessiList()
nessi_data.__array__.__set_from_NessiVector__(nessi_data.__array__,data)
return nessi_data
def getslab(handle,start,size):
data=sns_napi.getslab(handle,start,size)
nessi_data=nessi_list.NessiList()
nessi_data.__array__.__set_from_NessiVector__(nessi_data.__array__,data)
return nessi_data
print dir(sns_napi)
#help(sns_napi)
handle=sns_napi.open("/SNS/users/pf9/REF_M_50-zipped.nxs")
print "opengroup(entry,NXentry)",sns_napi.opengroup(handle,"entry","NXentry")
#print "opengroup(data,NXdata)",sns_napi.opengroup(handle,"data","NXdata")
print "opengroup(bank1,NXdata)",sns_napi.opengroup(handle,"bank1","NXdata")
print "getnextentry()",sns_napi.getnextentry(handle)
print "getnextentry()",sns_napi.getnextentry(handle)
print "opendata(x_pixel_offset)",sns_napi.opendata(handle,"x_pixel_offset")
print "getattr(axis)",sns_napi.getattr(handle,"axis")
print "getattr(units)",sns_napi.getattr(handle,"units")
xpo=sns_napi.getdata(handle)
print "getdata()",xpo.__type__,xpo,len(xpo)
print "closedata()",sns_napi.closedata(handle)
print "opendata(data)",sns_napi.opendata(handle,"data")
(dims,type)=sns_napi.getinfo(handle)
print "getinfo()",(dims,type)
print "getnextattr()",sns_napi.getnextattr(handle)
if __name__ == "__main__":
# deal with the command line
import sys
try:
infile = sys.argv[1]
except IndexError:
print_help()
sys.exit(-1)
if not file_exists(infile):
print "File [%s] does not exist" % infile
print_help()
sys.exit(-1)
outfile = outname(infile)
# get to the data object
inhandle = sns_napi.open(infile)
sns_napi.opengroup(inhandle, "entry", "NXentry")
sns_napi.opengroup(inhandle, "data", "NXdata")
sns_napi.opendata(inhandle, "data")
(dims, nxclass) = sns_napi.getinfo(inhandle)
print "DIMS = ", dims
print "TYPE = ", nxclass
data = getdata(inhandle, dims, False)
axis_length = dims[2]
data_size = 1
for item in dims:
data_size *= item
print "SIZE:", len(data), data_size
# print the data to a file
print "writing to", outfile
data = sns_napi.getdata(handle)
nessi_data = nessi_list.NessiList()
nessi_data.__array__.__set_from_NessiVector__(nessi_data.__array__, data)
return nessi_data
def getslab(handle, start, size):
data = sns_napi.getslab(handle, start, size)
nessi_data = nessi_list.NessiList()
nessi_data.__array__.__set_from_NessiVector__(nessi_data.__array__, data)
return nessi_data
print dir(sns_napi)
#help(sns_napi)
handle = sns_napi.open("/SNS/users/pf9/REF_M_50-zipped.nxs")
print "opengroup(entry,NXentry)", sns_napi.opengroup(handle, "entry",
"NXentry")
#print "opengroup(data,NXdata)",sns_napi.opengroup(handle,"data","NXdata")
print "opengroup(bank1,NXdata)", sns_napi.opengroup(handle, "bank1", "NXdata")
print "getnextentry()", sns_napi.getnextentry(handle)
print "getnextentry()", sns_napi.getnextentry(handle)
print "opendata(x_pixel_offset)", sns_napi.opendata(handle, "x_pixel_offset")
print "getattr(axis)", sns_napi.getattr(handle, "axis")
print "getattr(units)", sns_napi.getattr(handle, "units")
xpo = sns_napi.getdata(handle)
print "getdata()", xpo.__type__, xpo, len(xpo)
print "closedata()", sns_napi.closedata(handle)
print "opendata(data)", sns_napi.opendata(handle, "data")
(dims, type) = sns_napi.getinfo(handle)
print "getinfo()", (dims, type)
if __name__=="__main__":
# deal with the command line
import sys
try:
infile=sys.argv[1]
except IndexError:
print_help()
sys.exit(-1)
if not file_exists(infile):
print "File [%s] does not exist" % infile
print_help()
sys.exit(-1)
outfile=outname(infile)
# get to the data object
inhandle=sns_napi.open(infile)
sns_napi.opengroup(inhandle,"entry","NXentry")
sns_napi.opengroup(inhandle,"data","NXdata")
sns_napi.opendata(inhandle,"data")
(dims,nxclass)=sns_napi.getinfo(inhandle)
print "DIMS = ",dims
print "TYPE = ",nxclass
data=getdata(inhandle,dims,False)
axis_length=dims[2]
data_size=1
for item in dims:
data_size*=item
print "SIZE:",len(data),data_size
# print the data to a file
print "writing to",outfile