bgnpoint(3G)							  bgnpoint(3G)

NAME    [Toc]    [Back]

     bgnpoint, endpoint	- delimit the interpretation of	vertex routines	as
     points

C SPECIFICATION    [Toc]    [Back]

     void bgnpoint()

     void endpoint()

PARAMETERS    [Toc]    [Back]

     none

DESCRIPTION    [Toc]    [Back]

     bgnpoint marks the	beginning of a list of vertex routines that you	want
     interpreted as points.  Use the endpoint routine to mark the end of the
     list.  For	each vertex, the system	draws a	one-pixel point	into the frame
     buffer.  Use the v	routine	to specify a vertex.

     Between bgnpoint and endpoint, you	can issue only the following Graphics
     Library routines: c, color, cpack,	lmbind,	lmcolor, lmdef,	n, RGBcolor,
     t,	and v.	Use lmdef and lmbind to	respecify only materials and their
     properties.

     There is no limit to the number of	vertices that can be specified between
     bgnpoint and endpoint.

     By	default	points are forced to the nearest pixel center prior to scan
     conversion.  This coercion	is defeated with the subpixel command.
     Subpixel point positioning	is important only when points are scan
     converted with antialiasing enabled (see pntsmooth).

     After endpoint, the current graphics position is the most recent vertex.

NOTE    [Toc]    [Back]

     On	Impact and Infinite Reality lmcolor cannot be called between bgnpoint
     and endpoint

SEE ALSO    [Toc]    [Back]

     c,	pntsmooth, subpixel, v


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