def __new__(cls, file_name):
if not file_exists(file_name): raise
splt = file_name.split(".")
if len(file_name) > 4 and file_name[:4] == "bdb:": pass
elif EMUtil.get_image_ext_type(splt[-1]) == EMUtil.ImageType.IMAGE_UNKNOWN:
raise
if splt[-1] in ["img","hed"]: return EMImagicTmpFileHandle(file_name)
elif file_name[:4] == "bdb:": return EMDBTmpFileHandle(file_name)
else: return EMGeneralTmpFileHandle(file_name)
def __new__(cls, file_name):
if not file_exists(file_name): raise
splt = file_name.split(".")
if len(file_name) > 4 and file_name[:4] == "bdb:": pass
elif EMUtil.get_image_ext_type(splt[-1]) == EMUtil.ImageType.IMAGE_UNKNOWN:
raise
if splt[-1] in ["img","hed"]: return EMImagicTmpFileHandle(file_name)
elif file_name[:4] == "bdb:": return EMDBTmpFileHandle(file_name)
else: return EMGeneralTmpFileHandle(file_name)
def __init__(self,file_name):
'''
@param file_name the name of the file that which is being overwritten
@exception raised if the file_name does not exist on the file system
@exception raised if the file_name has a unrecognized (or no) type
'''
if not os.path.exists(file_name): raise
splt = file_name.split(".")
if len(splt) < 2: raise
if EMUtil.get_image_ext_type(splt[-1]) == EMUtil.ImageType.IMAGE_UNKNOWN:
raise
self.__file_ext = "."+splt[-1]
EMTmpFileHandleBase.__init__(self)
self.__file_name = get_file_tag(file_name)
self.__full_file_name = file_name
self.__tmp_file_name = None
self.__establish_tmp_file_name()
def __init__(self,file_name):
'''
@param file_name the name of the file that which is being overwritten
@exception raised if the file_name does not exist on the file system
@exception raised if the file_name has a unrecognized (or no) type
'''
if not os.path.exists(file_name): raise
splt = file_name.split(".")
if len(splt) < 2: raise
if EMUtil.get_image_ext_type(splt[-1]) == EMUtil.ImageType.IMAGE_UNKNOWN:
raise
self.__file_ext = "."+splt[-1]
EMTmpFileHandleBase.__init__(self)
self.__file_name = base_name(file_name)
self.__full_file_name = file_name
self.__tmp_file_name = None
self.__establish_tmp_file_name()
def __new__(cls,filename,application,force_plot=False,force_2d=False,old=None):
file_type = Util.get_filename_ext(filename)
em_file_type = EMUtil.get_image_ext_type(file_type)
if not file_exists(filename): return None
if force_plot and force_2d:
# ok this sucks but it suffices for the time being
print "Error, the force_plot and force_2d options are mutually exclusive"
return None
if force_plot:
from emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
if em_file_type != IMAGE_UNKNOWN or filename[:4] == "bdb:":
n = EMUtil.get_image_count(filename)
nx,ny,nz = gimme_image_dimensions3D(filename)
if n > 1 and nz == 1:
if force_2d:
a = EMData()
data=a.read_images(filename)
else:
data = None # This is like a flag - the ImageMXWidget only needs the file name
elif nz == 1:
data = [EMData(filename,0)]
else:
data = EMData()
data.read_image(filename,0,not force_2d) # This should be 3-D. We read the header-only here
data = [data]
if data != None and len(data) == 1: data = data[0]
if force_2d or isinstance(data,EMData) and data.get_zsize()==1:
if isinstance(data,list) or data.get_ysize() != 1:
from emimage2d import EMImage2DWidget
if isinstance(old,EMImage2DWidget): widget = old
else: widget= EMImage2DWidget(application=application)
else:
from emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
elif isinstance(data,EMData):
if isinstance(old,EMScene3D): widget = old
else: widget = EMScene3D()
# print n,data
for ii in xrange(n):
data=EMData(filename,ii)
datai = EMDataItem3D(data, transform=Transform())
widget.insertNewNode(os.path.basename(filename), datai, parentnode=widget)
isosurface = EMIsosurface(datai, transform=Transform())
widget.insertNewNode("Iso", isosurface, parentnode=datai)
return widget
elif data == None or isinstance(data,list):
from emimagemx import EMImageMXWidget
if isinstance(old,EMImageMXWidget): widget = old
else: widget = EMImageMXWidget(application=application)
data = filename
else:
print filename
raise # weirdness, this should never happen
widget.set_data(data,filename)
return widget
else:
from emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
def __new__(cls,filename,application,force_plot=False,force_2d=False,old=None):
file_type = Util.get_filename_ext(filename)
em_file_type = EMUtil.get_image_ext_type(file_type)
if not file_exists(filename): return None
if force_plot and force_2d:
# ok this sucks but it suffices for the time being
print("Error, the force_plot and force_2d options are mutually exclusive")
return None
if force_plot:
from .emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
if em_file_type != IMAGE_UNKNOWN or filename[:4] == "bdb:":
n = EMUtil.get_image_count(filename)
nx,ny,nz = gimme_image_dimensions3D(filename)
if n > 1 and nz == 1:
if force_2d:
a = EMData()
data=a.read_images(filename)
else:
data = None # This is like a flag - the ImageMXWidget only needs the file name
elif nz == 1:
data = [EMData(filename,0)]
else:
data = EMData()
data.read_image(filename,0,not force_2d) # This should be 3-D. We read the header-only here
data = [data]
if data != None and len(data) == 1: data = data[0]
if force_2d or isinstance(data,EMData) and data.get_zsize()==1:
if isinstance(data,list) or data.get_ysize() != 1:
from .emimage2d import EMImage2DWidget
if isinstance(old,EMImage2DWidget): widget = old
else: widget= EMImage2DWidget(application=application)
else:
from .emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
elif isinstance(data,EMData):
if isinstance(old,EMScene3D): widget = old
else: widget = EMScene3D()
# print n,data
for ii in range(n):
data=EMData(filename,ii)
datai = EMDataItem3D(data, transform=Transform())
widget.insertNewNode(os.path.basename(filename), datai, parentnode=widget)
isosurface = EMIsosurface(datai, transform=Transform())
widget.insertNewNode("Iso", isosurface, parentnode=datai)
return widget
elif data == None or isinstance(data,list):
from .emimagemx import EMImageMXWidget
if isinstance(old,EMImageMXWidget): widget = old
else: widget = EMImageMXWidget(application=application)
data = filename
else:
print(filename)
raise # weirdness, this should never happen
widget.set_data(data,filename)
return widget
else:
from .emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
