def load_data_2d(file_full_name, dtype=None, out_of_core=False):
dtype = python_dtype_to_Vivaldi_dtype(dtype)
file_name, extension = split_file_name_and_extension(file_full_name)
el = extension.lower()
if out_of_core:
if extension == 'dat':
file_info = matrixio.read_dat(filename, out_of_core=True)
file_name = file_info['FileName']
assert (file_name != None)
if 'Path' in file_info:
# user defined path
path = file_info['Path']
else:
# default is find same folder
idx = file_full_name.rfind('/')
path = file_full_name[:idx + 1]
shape = file_info['Resolution'].split()
shape[0], shape[1] = int(shape[1]), int(shape[0])
contents_dtype = file_info['Format'].lower()
chan = 1
temp = Data_package()
temp.out_of_core = True
temp.data_dtype = numpy.ndarray
temp.file_name = path + file_name
temp.file_dtype = python_dtype_to_Vivaldi_dtype(contents_dtype)
temp.buffer_dtype = numpy.ndarray
if dtype != None: dtype = dtype
else: dtype = contents_dtype
if chan != 1: dtype += str(chan)
temp.set_buffer_contents_dtype(dtype)
data_range = shape_to_range(shape)
temp.set_data_range(data_range)
temp.set_buffer_range(data_range)
temp.set_full_buffer_range(data_range)
return temp
else:
st = time.time()
data = matrixio.read_2d_data(file_full_name)
dtype = Vivaldi_dtype_to_python_dtype(dtype)
if dtype != None:
data = data.astype(dtype)
else:
dtype = data.dtype
print 'load_data_2d_rgb:', file_full_name, 'dtype:', data.dtype, 'shape:', data.shape, 'loading time:', 1000 * (
time.time() - st), 'ms'
return data
return None
def load_data_2d(file_full_name, dtype=None, out_of_core=False):
dtype = python_dtype_to_Vivaldi_dtype(dtype)
file_name, extension = split_file_name_and_extension(file_full_name)
el = extension.lower()
if out_of_core:
if extension == 'dat':
file_info = matrixio.read_dat(file_full_name, out_of_core=True)
file_name = file_info['FileName']
assert(file_name != None)
if 'Path' in file_info:
# user defined path
path = file_info['Path']
else:
# default is find same folder
idx = file_full_name.rfind('/')
path = file_full_name[:idx+1]
shape = file_info['Resolution'].split()
shape[0],shape[1] = int(shape[1]),int(shape[0])
contents_dtype = file_info['Format'].lower()
chan = 1
temp = Data_package()
temp.out_of_core = True
temp.data_dtype = numpy.ndarray
temp.file_name = path + file_name
temp.file_dtype = python_dtype_to_Vivaldi_dtype(contents_dtype)
temp.buffer_dtype = numpy.ndarray
if dtype != None: dtype = dtype
else: dtype = contents_dtype
if chan != 1: dtype += str(chan)
temp.set_buffer_contents_dtype(dtype)
data_range = shape_to_range(shape)
temp.set_data_range(data_range)
temp.set_buffer_range(data_range)
temp.set_full_buffer_range(data_range)
return temp
else:
st = time.time()
data = matrixio.read_2d_data(file_full_name)
dtype = Vivaldi_dtype_to_python_dtype(dtype)
if dtype != None:
data = data.astype(dtype)
else: dtype = data.dtype
#print 'load_data_2d_rgb:', file_full_name, 'dtype:', data.dtype, 'shape:', data.shape,'loading time:',1000*(time.time()-st),'ms'
return data
return None
