c
      subroutine setplt(ibox_clabs,spval)
c
c Set some plot parameters for the run:
c (this routine called only once,  before any plots are made)
c
c     call cpseti('LLP',3)	! line label positioning
      call cpseti('LLP',2)	! line label positioning
      call cpseti('LLO',1)	! line label orientation (1=local direction)
      call cpsetr('LLS',.015)	! line label size (default = .01)
      call cpsetc('HIT',' ')	! high label text string
      call cpsetc('LOT',' ')	! low label text string
      if (ibox_clabs.gt.0)
     +  call cpseti('LLB',3)	! line label box (3=draw and fill)
c     call cpseti('ILP',0)	! info label position flag (0=center of box)
      call cpsetc('ILT',' ')	! info label text string
      call mapstc('OU','CO')
      call mapsti('DO',1)
      call cpsetr('ORV',1.e12)	! for polar and satv projection maps
      call vvsetr('USV -- U special value',spval)
      call vvsetr('VSV -- V special value',spval)
      call vvseti('SVF -- special value flag',3)
      call cpsetr('SPV -- special value',spval)
      call pcsetc('FC','$')
c
      return
      end