| Server IP : 52.223.31.75 / Your IP : 172.31.32.98 [ Web Server : Apache/2.4.66 () OpenSSL/1.0.2k-fips PHP/7.4.33 System : Linux ip-172-31-14-81.eu-central-1.compute.internal 4.14.281-212.502.amzn2.x86_64 #1 SMP Thu May 26 09:52:17 UTC 2022 x86_64 User : apache ( 48) PHP Version : 7.4.33 Disable Function : NONE Domains : 4 Domains MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /usr/lib64/python2.7/site-packages/PIL/ |
Upload File : |
#
# The Python Imaging Library.
# $Id$
#
# Basic McIdas support for PIL
#
# History:
# 1997-05-05 fl Created (8-bit images only)
# 2009-03-08 fl Added 16/32-bit support.
#
# Thanks to Richard Jones and Craig Swank for specs and samples.
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1997.
#
# See the README file for information on usage and redistribution.
#
__version__ = "0.2"
import struct
from PIL import Image, ImageFile
def _accept(s):
return s[:8] == b"\x00\x00\x00\x00\x00\x00\x00\x04"
##
# Image plugin for McIdas area images.
class McIdasImageFile(ImageFile.ImageFile):
format = "MCIDAS"
format_description = "McIdas area file"
def _open(self):
# parse area file directory
s = self.fp.read(256)
if not _accept(s) or len(s) != 256:
raise SyntaxError("not an McIdas area file")
self.area_descriptor_raw = s
self.area_descriptor = w = [0] + list(struct.unpack("!64i", s))
# get mode
if w[11] == 1:
mode = rawmode = "L"
elif w[11] == 2:
# FIXME: add memory map support
mode = "I"; rawmode = "I;16B"
elif w[11] == 4:
# FIXME: add memory map support
mode = "I"; rawmode = "I;32B"
else:
raise SyntaxError("unsupported McIdas format")
self.mode = mode
self.size = w[10], w[9]
offset = w[34] + w[15]
stride = w[15] + w[10]*w[11]*w[14]
self.tile = [("raw", (0, 0) + self.size, offset, (rawmode, stride, 1))]
# --------------------------------------------------------------------
# registry
Image.register_open("MCIDAS", McIdasImageFile, _accept)
# no default extension