pyyeti.nastran.bulk.rdcord2cards

pyyeti.nastran.bulk.rdcord2cards(f, *, follow_includes=True, include_symbols=None, encoding='utf_8')[source]

Read CORD2* cards from a Nastran bulk file

Parameters:

  • f (string or file_like or None) – Either a name of a file, or is a file_like object as returned by open(). If file_like object, it is rewound first. Can also be the name of a directory or None; in these cases, a GUI is opened for file selection.

  • follow_includes (bool; optional) – If True, INCLUDE statements will be followed recursively. Note that if f is a StringIO object, or another object that does not have a name property, this parameter will be set to False.

  • include_symbols (dict; optional) – A dictionary mapping Nastran symbols to an associated path. These can be read from a file using rdsymbols().

  • encoding (string; optional) – Encoding to use when opening text file. This option will be passed to any files read in via the follow_includes option.

Returns:

dictionary – Dictionary with the keys being the coordinate system id and the values being the 5x3 matrix:

[id  type 0]  # output coord. sys. id and type
[xo  yo  zo]  # origin of coord. system
[    T     ]  # 3x3 transformation to basic
Note that T is for the coordinate system, not a grid
(unless type = 1 which means rectangular)

Notes

This routine uses pyyeti.nastran.n2p.build_coords() to build the output.

See also

asm2uset(), bulk2uset(), rdcards(), pyyeti.nastran.n2p.build_coords()