NAME

gentag − returns a unique integer for use as a tag

SPECIFICATION

C
Tag gentag()

FORTRAN
integer*4 function gentag()

Pascal
function gentag: Tag;

DESCRIPTION

gentag generates a unique integer to use as a tag.  Tags must be unique within an object. 

gentag provides a unique 31-bit integer tag which acts as a label.  gentag generates unique tags, although if you later define a tag with the same value, the first tag is lost. 

gentag is not required to name an object. 

SEE ALSO

genobj, istag IRIS Graphics Programming, Section 8.3, Object Editing

NOTE

This routine is available only in immediate mode. 

Version 2.5  —  April 22, 1987