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+C
+C
+C +-----------------------------------------------------------------+
+C | |
+C | Copyright (C) 1986 by UCAR |
+C | University Corporation for Atmospheric Research |
+C | All Rights Reserved |
+C | |
+C | NCARGRAPHICS Version 1.00 |
+C | |
+C +-----------------------------------------------------------------+
+C
+C
+C ---------------------------------------------------------------------
+C
+ SUBROUTINE AGINIT
+C
+C This routine is called to initialize some machine-dependent constants.
+C
+C The following common block contains the AUTOGRAPH control parameters,
+C all of which are real. If it is changed, all of AUTOGRAPH (especially
+C the routine AGSCAN) must be examined for possible side effects.
+C
+ COMMON /AGCONP/ QFRA,QSET,QROW,QIXY,QWND,QBAC , SVAL(2) ,
+ + XLGF,XRGF,YBGF,YTGF , XLGD,XRGD,YBGD,YTGD , SOGD ,
+ + XMIN,XMAX,QLUX,QOVX,QCEX,XLOW,XHGH ,
+ + YMIN,YMAX,QLUY,QOVY,QCEY,YLOW,YHGH ,
+ + QDAX(4),QSPA(4),PING(4),PINU(4),FUNS(4),QBTD(4),
+ + BASD(4),QMJD(4),QJDP(4),WMJL(4),WMJR(4),QMND(4),
+ + QNDP(4),WMNL(4),WMNR(4),QLTD(4),QLED(4),QLFD(4),
+ + QLOF(4),QLOS(4),DNLA(4),WCLM(4),WCLE(4) ,
+ + QODP,QCDP,WOCD,WODQ,QDSH(26) ,
+ + QDLB,QBIM,FLLB(10,8),QBAN ,
+ + QLLN,TCLN,QNIM,FLLN(6,16),QNAN ,
+ + XLGW,XRGW,YBGW,YTGW , XLUW,XRUW,YBUW,YTUW ,
+ + XLCW,XRCW,YBCW,YTCW , WCWP,HCWP,SCWP ,
+ + XBGA(4),YBGA(4),UBGA(4),XNDA(4),YNDA(4),UNDA(4),
+ + QBTP(4),BASE(4),QMNT(4),QLTP(4),QLEX(4),QLFL(4),
+ + QCIM(4),QCIE(4),RFNL(4),WNLL(4),WNLR(4),WNLB(4),
+ + WNLE(4),QLUA(4) ,
+ + RBOX(6),DBOX(6,4),SBOX(6,4)
+C
+C The following common block contains other AUTOGRAPH variables, both
+C real and integer, which are not control parameters.
+C
+ COMMON /AGORIP/ SMRL , ISLD , MWCL,MWCM,MWCE,MDLA,MWCD,MWDQ ,
+ + INIF
+C
+C Fill in the names of the four pre-defined labels.
+C
+ CALL AGSTCH ('L',1,IDCS)
+ FLLB(1,1)=FLOAT(IDCS)
+ CALL AGSTCH ('R',1,IDCS)
+ FLLB(1,2)=FLOAT(IDCS)
+ CALL AGSTCH ('B',1,IDCS)
+ FLLB(1,3)=FLOAT(IDCS)
+ CALL AGSTCH ('T',1,IDCS)
+ FLLB(1,4)=FLOAT(IDCS)
+C
+C Declare the rest of the label-definition slots to be available.
+C
+ LBIM=IFIX(QBIM)
+C
+ DO 101 J=5,LBIM
+ FLLB(1,J)=0.
+ 101 CONTINUE
+C
+C Fill in the text of the four pre-defined lines.
+C
+ CALL AGSTCH ('Y',1,IDCS)
+ FLLN(4,1)=FLOAT(IDCS)
+ CALL AGSTCH (' ',1,IDCS)
+ FLLN(4,2)=FLOAT(IDCS)
+ CALL AGSTCH ('X',1,IDCS)
+ FLLN(4,3)=FLOAT(IDCS)
+ CALL AGSTCH (' ',1,IDCS)
+ FLLN(4,4)=FLOAT(IDCS)
+C
+C Declare the rest of the line-definition slots to be available.
+C
+ LNIM=IFIX(QNIM)
+C
+ DO 102 J=5,LNIM
+ FLLN(1,J)=SVAL(1)
+ 102 CONTINUE
+C
+C Set the value of 'LINE/TERMINATOR.'
+C
+ CALL AGSTCH ('$',1,IDCS)
+ TCLN=FLOAT(IDCS)
+C
+C SMRL is used by AUTOGRAPH for rounding operations.
+C
+ SMRL=10.**(3-IFIX(ALOG10(FLOAT(I1MACH(10)))*FLOAT(I1MACH(11))))
+C
+C ISLD is an integer containing 16 one bits (right-justified with zero
+C fill to the left). It is used to direct the DASHCHAR package to draw
+C solid lines. To generate it, we start with a 15-bit mask and then
+C add another bit.
+C
+ ISLD = 32767
+ ISLD = ISHIFT(ISLD,1)
+ ISLD = IOR(ISLD,1)
+C
+C Set the initialization flag to indicate initialization has been done.
+C
+ INIF=1
+C
+C Done.
+C
+ RETURN
+C
+ END