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class Metadata(object):
""" A simple container for ND2 metadata. """
def __init__(self, height, width, channels, date, fields_of_view, frames, z_levels, total_images_per_channel):
self._height = height
self._width = width
self._channels = channels
self._date = date
self._fields_of_view = fields_of_view
self._frames = frames
self._z_levels = z_levels
self._total_images_per_channel = total_images_per_channel
@property
def height(self):
"""
The image height in pixels.
:rtype: int
"""
return self._height
@property
def width(self):
"""
The image width in pixels.
:rtype: int
"""
return self._width
@property
def date(self):
"""
The date and time when acquisition began.
:rtype: datetime.datetime() or None
"""
return self._date
@property
def channels(self):
"""
These are labels created by the NIS Elements user. Typically they may a short description of the filter cube
used (e.g. "bright field", "GFP", etc.)
:rtype: list
"""
return self._channels
@property
def fields_of_view(self):
"""
The metadata contains information about fields of view, but it contains it even if some fields
of view were cropped. We can't find anything that states which fields of view are actually
in the image data, so we have to calculate it. There probably is something somewhere, since
NIS Elements can figure it out, but we haven't found it yet.
:rtype: list
"""
return self._fields_of_view
@property
def frames(self):
"""
The number of cycles.
:rtype: list
"""
return self._frames
@property
def z_levels(self):
"""
The different levels in the Z-plane. Just a sequence from 0 to n.
:rtype: list
"""
return self._z_levels
@property
def total_images_per_channel(self):
"""
The total number of images of a particular channel (wavelength, filter, etc) in the entire ND2.
:rtype: int
"""
return self._total_images_per_channel