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subroutine scopxy(flag,nevprt,t,xd,x,nx,z,nz,tvec,ntvec,
& rpar,nrpar,ipar,nipar,u,nu,y,ny)
c Copyright INRIA
c Scicos block simulator
c ipar(1) = win_num
c ipar(2) = 0/1 color flag
c ipar(3) = buffer size
c ipar(4) = dash,color or mark choice
c ipar(5) = line or mark size
c ipar(6) = mode : animated =0 fixed=1
c ipar(7) =
c ipar(8:9) = window position
c ipar(10:11) = window size
c
c rpar(1)=xmin
c rpar(2)=xmax
c rpar(3)=ymin
c rpar(4)=ymax
c
double precision t,xd(*),x(*),z(*),tvec(*),rpar(*),u(*),y(*)
integer flag,nevprt,nx,nz,ntvec,nrpar,ipar(*)
integer nipar,nu,ny
c
c
double precision xmin,xmax,ymin,ymax,rect(4)
integer n,verb,cur,na,v,wid,nax(4)
character*20 strf,buf
double precision dv
double precision frect(4)
character*(4) logf
character*4 name
common /dbcos/ idb
data frect / 0.00d0,0.00d0,1.00d0,1.00d0/
data cur/0/,verb/0/
c
if(idb.eq.1) then
write(6,'(''Scopxy t='',e10.3,'' flag='',i1,''window='',i3)') t
$ ,flag,ipar(1)
endif
c
call dr1('xgetdr'//char(0),name,v,v,v,v,v,v,
$ dv,dv,dv,dv)
if(name(1:3).ne.'Rec') then
call dr1('xsetdr'//char(0),'Rec'//char(0),v,v,v,v,v,v,
$ dv,dv,dv,dv)
endif
c
if(flag.eq.2) then
wid=ipar(1)
N=ipar(3)
c
call dr1('xget'//char(0),'window'//char(0),verb,cur,na,v,v,v,
$ dv,dv,dv,dv)
if(cur.ne.wid) then
call dr1('xset'//char(0),'window'//char(0),wid,v,v,v,v,v,
$ dv,dv,dv,dv)
endif
c erase first point
if(ipar(6).eq.0) then
z(1)=z(1)+1.0d0
if(ipar(4).lt.0) then
call dr1('xpolys'//char(0),'v'//char(0),v,v,ipar(4),
& 1,1,v,z(2),z(2+N),dv,dv)
else
call dr1('xpolys'//char(0),'v'//char(0),v,v,ipar(4),
& 1,2,v,z(2),z(2+N),dv,dv)
endif
endif
c shift buffer left
call dcopy(N-1,z(3),1,z(2),1)
z(N+1)=u(1)
call dcopy(N-1,z(N+3),1,z(N+2),1)
z(2*N+1)=u(2)
c draw new point
if(ipar(4).lt.0) then
call dr1('xpolys'//char(0),'v'//char(0),v,v,ipar(4),
& 1,1,v,z(1+N),z(1+2*N),dv,dv)
else
call dr1('xpolys'//char(0),'v'//char(0),v,v,ipar(4),
& 1,2,v,z(N),z(2*N),dv,dv)
endif
if(int(z(1)).gt.N.and.ipar(6).eq.0) then
c erase memory
call dr('xstart'//char(0),'v'//char(0),wid,v,v,v,v,v,
$ dv,dv,dv,dv)
z(1)=0.0d0
endif
elseif(flag.eq.4) then
wid=ipar(1)
N=ipar(3)
xmin=rpar(1)
xmax=rpar(2)
ymin=rpar(3)
ymax=rpar(4)
nax(1)=2
nax(2)=10
nax(3)=2
nax(4)=10
call sciwin()
call dr1('xget'//char(0),'window'//char(0),verb,cur,na,v,v,v,
$ dv,dv,dv,dv)
if(cur.ne.wid) then
call dr1('xset'//char(0),'window'//char(0),wid,v,v,v,v,v,
$ dv,dv,dv,dv)
endif
iwp=8
if(ipar(iwp).ge.0) then
call dr1('xset'//char(0),'wpos'//char(0),ipar(iwp),
$ ipar(iwp+1),v,v,v,v,dv,dv,dv,dv)
endif
iwd=10
if(ipar(iwd).ge.0) then
call dr1('xset'//char(0),'wdim'//char(0),ipar(iwd),
$ ipar(iwd+1),v,v,v,v,dv,dv,dv,dv)
endif
rect(1)=xmin
rect(2)=ymin
rect(3)=xmax
rect(4)=ymax
call setscale2d(frect,rect,'nn'//char(0))
call dr1('xset'//char(0),'use color'//char(0),ipar(2),0,0,
& 0,0,v,dv,dv,dv,dv)
call dr1('xset'//char(0),'alufunction'//char(0),3,0,0,
& 0,0,v,dv,dv,dv,dv)
call dr1('xclear'//char(0),'v'//char(0),v,v,v,v,v,v,
$ dv,dv,dv,dv)
call dr('xstart'//char(0),'v'//char(0),wid,v,v,v,v,v,
$ dv,dv,dv,dv)
buf='t@ @input and output'
strf='011'//char(0)
call dr1('xset'//char(0),'dashes'//char(0),0,0,0,
& 0,0,v,dv,dv,dv,dv)
call dr1('xset'//char(0),'alufunction'//char(0),3,v,v,v,v,v,
$ dv,dv,dv,dv)
call plot2d(rect(1),rect(2),1,1,-1,strf,buf,rect,nax)
call dr1('xset'//char(0),'alufunction'//char(0),6,v,v,v,v,v,
$ dv,dv,dv,dv)
call sxevents()
c first point drawing
if(ipar(4).lt.0) then
call dr1('xset'//char(0),'mark'//char(0),ipar(4),ipar(5),
$ v,v,v,v,dv,dv,dv,dv)
call dr1('xpolys'//char(0),'v'//char(0),v,v,ipar(4),
& 1,1,v,z(2),z(2+N),dv,dv)
else
call dr1('xset'//char(0),'thickness'//char(0),ipar(5),v,
$ v,v,v,v,dv,dv,dv,dv)
call dr1('xpolys'//char(0),'v'//char(0),v,v,ipar(4),
& 1,2,v,z(2),z(2+N),dv,dv)
endif
z(1)=0
elseif(flag.eq.5) then
call dr1('xset'//char(0),'alufunction'//char(0),3,v,v,v,v,v,
$ dv,dv,dv,dv)
endif
call dr1('xsetdr'//char(0),name,v,v,v,v,v,v,
$ dv,dv,dv,dv)
end
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