INTEGER MAX_LEN_PLOTBUF
PARAMETER ( MAX_LEN_PLOTBUF = MAX_LEN_MBUF-4 )
CHARACTER*(MAX_LEN_PLOTBUF) plotBuf
& (MAX_LEN_PLOTBUF-35) .GT. sNx*nSx .AND.
& (MAX_LEN_PLOTBUF-35) .GT. sNy*nSy ) validRange = .TRUE.
if (Nx.gt.MAX_LEN_PLOTBUF-20) THEN
IF ( iBuf .LE. MAX_LEN_PLOTBUF )