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Complexity

zolfa-add_slices_loading
Gabriele Girelli 4 years ago
committed by GitHub
parent
commit
5bf56afaec
1 changed files with 9 additions and 4 deletions
  1. +9
    -4
      nd2reader/parser.py

+ 9
- 4
nd2reader/parser.py View File

@ -246,14 +246,19 @@ class Parser(object):
""" """
return {channel: n for n, channel in enumerate(self.metadata["channels"])} return {channel: n for n, channel in enumerate(self.metadata["channels"])}
def _remove_unwanted_bytes(self, image_group_data, image_data_start, height, width):
# Remove unwanted 0-bytes that can appear in stitched images
def _find_unwanted_bytes(self, image_group_data, image_data_start, height, width):
number_of_true_channels = int(len(image_group_data[4:]) / (height * width)) number_of_true_channels = int(len(image_group_data[4:]) / (height * width))
n_unwanted_bytes = (len(image_group_data[image_data_start:]))%(height*width) n_unwanted_bytes = (len(image_group_data[image_data_start:]))%(height*width)
if not n_unwanted_bytes: if not n_unwanted_bytes:
return
return n_unwanted_bytes
assert 0 == n_unwanted_bytes % height, "Unexpected unwanted bytes distribution." assert 0 == n_unwanted_bytes % height, "Unexpected unwanted bytes distribution."
return n_unwanted_bytes
def _remove_unwanted_bytes(self, image_group_data, image_data_start, height, width):
# Remove unwanted 0-bytes that can appear in stitched images
n_unwanted_bytes = self._find_unwanted_bytes(image_group_data, image_data_start, height, width)
number_of_true_channels = int(len(image_group_data[4:]) / (height * width))
unwanted_byte_per_step = n_unwanted_bytes // height unwanted_byte_per_step = n_unwanted_bytes // height
byte_ids = range(image_data_start+height*number_of_true_channels, len(image_group_data)-n_unwanted_bytes+1, height*number_of_true_channels) byte_ids = range(image_data_start+height*number_of_true_channels, len(image_group_data)-n_unwanted_bytes+1, height*number_of_true_channels)
if all([0 == image_group_data[byte_ids[i]+i] for i in range(len(byte_ids))]): if all([0 == image_group_data[byte_ids[i]+i] for i in range(len(byte_ids))]):


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