﻿id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
2393	open 0069 fromDatabase emdb: MRC file is truncated	maria.anastasina@…	Tom Goddard	"{{{
The following bug report has been submitted:
Platform:        Windows-10-10.0.15063
ChimeraX Version: 0.91 (2019-09-07)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 0.91 (2019-09-07)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open 0069 fromDatabase emdb

Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\map\data\fileformats.py"", line 151, in open_file  
data = open_func(apath, **kw)  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\map\data\ccp4\\__init__.py"", line 18, in open  
return [CCP4Grid(path)]  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\map\data\ccp4\ccp4_grid.py"", line 21, in __init__  
MRCGrid.__init__(self, path, file_type = 'ccp4')  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\map\data\mrc\mrc_grid.py"", line 24, in __init__  
d = mrc_format.MRC_Data(path, file_type)  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\map\data\mrc\mrc_format.py"", line 39, in __init__  
nc = self.read_values(file, int32, 1)  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\map\data\mrc\mrc_format.py"", line 256, in read_values  
% (count, etype.__name__)))  
File ""<string>"", line None  
SyntaxError: MRC file is truncated. Failed reading 1 values, type int32  
  
During handling of the above exception, another exception occurred:  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\cmd_line\tool.py"", line 254, in execute  
cmd.run(cmd_text)  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\core\commands\cli.py"", line 2688, in run  
result = ci.function(session, **kw_args)  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\core\commands\open.py"", line 44, in open  
db_models, status = _fetch_from_database(session, db_id, db_name, db_format,
name, ignore_cache, **kw)  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\core\commands\open.py"", line 148, in _fetch_from_database  
ignore_cache=ignore_cache, **kw)  
File ""C:\Program Files\ChimeraX\bin\lib\site-packages\chimerax\core\fetch.py"",
line 434, in fetch_from_database  
models, status = df.fetch(session, id, format=format,
ignore_cache=ignore_cache, **kw)  
File ""C:\Program Files\ChimeraX\bin\lib\site-packages\chimerax\core\fetch.py"",
line 497, in fetch  
return fetch(session, database_id, ignore_cache=ignore_cache, **kw)  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\map\emdb_fetch.py"", line 48, in fetch_emdb  
models, status = io.open_data(session, filename, format = 'ccp4', name =
emdb_id, **kw)  
File ""C:\Program Files\ChimeraX\bin\lib\site-packages\chimerax\core\io.py"",
line 435, in open_data  
models, status = open_func(*args, **kw)  
File ""C:\Program Files\ChimeraX\bin\lib\site-packages\chimerax\map\volume.py"",
line 3598, in open_map_format  
return open_map(session, path, name=name, format=format, **kw)  
File ""C:\Program Files\ChimeraX\bin\lib\site-packages\chimerax\map\volume.py"",
line 3197, in open_map  
verbose = kw.get('verbose'))  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\map\data\fileformats.py"", line 157, in open_file  
raise FileFormatError(value)  
chimerax.map.data.fileformats.FileFormatError: MRC file is truncated. Failed
reading 1 values, type int32  
  
chimerax.map.data.fileformats.FileFormatError: MRC file is truncated. Failed
reading 1 values, type int32  
  
File ""C:\Program Files\ChimeraX\bin\lib\site-
packages\chimerax\map\data\fileformats.py"", line 157, in open_file  
raise FileFormatError(value)  
  
See log for complete Python traceback.  
  




OpenGL version: 3.3.0 NVIDIA 417.71
OpenGL renderer: Quadro P4000/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation

}}}
"	defect	closed	normal		Volume Data		not a bug						all	ChimeraX
