NX Nastran DMAP Programmer's Guide - Kxcad.net

Option P1 = ‘TRAILER’
Extract a value from the trailer of a data block.
Format:
PARAML DB//'TRAILER'/WRDNUM/S,N,TVALUE/S,N,REAL/
S,N,USETBIT/SETNAME $
Input Data Block:
DB Any data block.
Parameter:
WRDNUM Input-integer. Word number of trailer.
Remarks:
1. Meaning of TVALUE:
PARAML
Sets parameters from a data block
TVALUE Output-integer. Trailer value. See Table in Remark 1. If the data block
has the format of a USET table, then TVALUE is not used; see NOSET.
REAL Output-real. Trailer value as a real number. Used only if WRDNUM=6.
See Remark 2.
NOSET Output-integer. USET flag for existence for the set specified by
SETNAME. NOSET will be set to -1 if the set does not exist.
SETNAME Input-character. Degree-of-freedom set name. Used only if USETBIT=0.
See table in Remark 2.
WRDNUM Meaning of TVALUE
1 Number of columns in matrix
2 Number of rows in matrix
3 Form of the matrix
4 Type of matrix
5 Largest number of nonzero words among all columns
6 Density of the matrix multiplied by 10000
7 Size in blocks
8 Maximum string length over all strings
9 Number of strings
10 Average bandwidth
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