void wgem_gstext( int *itxfn, int *itxhw, float *sztext, int *itxwid,
int *ibrdr, int *irrotn, int *ijust, int *iret )
/************************************************************************
* wgem_gstext *
* *
* This function is a wrapper for gstext. *
* *
* void wgem_gstext( itxfn, itxhw, sztext, itxwid, ibrdr, irrotn, *
* ijust, iret ) *
* *
* Input parameters: *
* *itxfn int text font *
* *itxhw int Text sw/hw flag *
* *sztext float text size *
* *itxwid int text line width *
* *ibrdr int text border/blank fill size *
* *irrotn int text north-relative rotation flag *
* *ijust int text justification *
* *
* Output parameters: *
* *iret int return code *
** *
* Log: *
* E. Safford/SAIC 11/07 initial coding *
***********************************************************************/
{
gstext( itxfn, itxhw, sztext, itxwid, ibrdr, irrotn, ijust, iret );
}
void gmpk_initTxt ( void )
/************************************************************************
* gmpk_initTxt *
* *
* This function initializes text attributes. *
* *
* void gmpk_initTxt( ) *
* *
* Input parameters: *
* Output parameters: *
* Return parameters: *
* NONE *
* *
** *
* Log: *
* C. Lin/EAI 6/97 *
* S. Jacobs/NCEP 9/97 Changed call to gstext *
* S. Jacobs/NCEP 7/01 Changed default font to Courier *
***********************************************************************/
{
int font, type, width, ibrdr, irrotn, ijust, ier;
float size;
/*---------------------------------------------------------------------*/
font = 1; /* courier */
type = 2; /* hardware */
size = 1.0F; /* medium */
width = 1; /* line width */
ibrdr = 111; /* no box, no fill */
irrotn = 1; /* screen relative */
ijust = 1; /* left justified */
gstext( &font, &type, &size, &width,
&ibrdr, &irrotn, &ijust, &ier );
}
void utf_ptext ( int offflg, int shift_x, int shift_y,
unsigned char *endof, int zm, unsigned char *ptr,
int *add, int *iret )
/************************************************************************
* utf_ptext *
* *
* This function plots both regular and offset text records C5 and C8 *
* from a UTF file. *
* *
* utf_ptext ( offflg, shift_x, shift_y, endof, zm, ptr, add, iret ) *
* *
* Input parameters: *
* offflg int Offset vs regular text flag *
* shift_x int X shift factor *
* shift_y int Y shift factor *
* *endof unsigned char End of buffer *
* zm int Zoom threshold (from user) *
* *ptr unsigned char Position in buffer *
* *
* Output parameters: *
* *add int Total number of bytes in record *
* *iret int Return code *
* *
** *
* Log: *
* D. Keiser/GSC 12/96 Copied from utf_text *
* D. Keiser/GSC 4/97 Corrected turbulence plot *
* S. Jacobs/NCEP 4/97 Removed value from turb sym *
* D. Keiser/GSC 6/97 Initialized txtwid *
* S. Jacobs/NCEP 7/97 Changed font size calculation *
* D. Keiser/GSC 7/97 Increased string sizes *
* S. Jacobs/NCEP 8/97 Corrected PTND symbol numbers *
* M. Linda/GSC 10/97 Corrected the prologue format *
* S. Jacobs/NCEP 10/97 Changed the calling seq for gstext *
* I. Durham/GSC 5/98 Changed underscore decl. to an include *
* S. Jacobs/NCEP 7/98 Changed the font type and size *
* A. Hardy/GSC 11/00 renamed coordinate system declarations *
***********************************************************************/
{
int len, offset, sign, i, j, delx, dely, ixoff, g, b;
int iyoff, spcflg, np, ier, rb, ipnt, pltfil, bytadd;
int jpnt, zt, zf, chrsiz, txtwid, fntnum, txtflg, nc;
int ipwwid, isktyp, iskwid, iptwid, iwtwid, ictwid;
int ispwid, icewid, nchr, textfg, ituwid, numpnt;
int idum;
float sf, txtsiz, temp, rotat, rx, ry, szsky, szpwth;
float rcode, xl, yb, xr, yt, xl2, yb2, xr2;
float yt2, xrat, yrat, rdelx, rdely, szptnd, szwthr;
float szctyp, szspcl, szicng, szturb, xin[2], yin[2];
float xout[2], yout[2];
unsigned char string[200], *tmpbuf=NULL, outstr[200];
char newstr[200];
int gfunc[] = { 0000, GSKY, GSKY, GSKY, GSKY, GSKY, GSPC, GSPC,
0000, 0000, 0000, 0000, 0000, 0000, GSKY, GSKY,
GSKY, 0000, 0000, GSKY, GSKY, GSKY, GPTN, GPTN,
GPTN, GPTN, GPTN, GPTN, GWTH, GWTH, GWTH, GWTH,
GWTH, GWTH, GWTH, GWTH, GWTH, GWTH, GWTH, GWTH,
GWTH, GPWX, GWTH, GWTH, GWTH, GWTH, GWTH, GWTH,
GSPC, GSPC, GSPC, GSPC, GSPC, GWTH, GPWX, GWTH,
GSPC, GSPC, GWTH, GWTH, GWTH, GWTH, GWTH, GWTH,
GWTH, GWTH, GWTH, GWTH, GWTH, GWTH, GWTH, GWTH,
GWTH, GWTH, GWTH, GWTH, GWTH, GWTH, GWTH, GWTH,
GSPC, GSPC, GSPC, GWTH, GSPC, GSPC, GSPC, GSPC,
GWTH, GWTH, GSPC, GSPC, GSPC, GCTP, GCTP, GCTP,
GCTP, GCTP, GCTP, GCTP, GCTP, GCTP, GCTP, GCTP,
GCTP, GCTP, GCTP, GCTP, GCTP, GCTP, GCTP, GCTP,
GCTP, GCTP, GCTP, GCTP, GCTP, GCTP, GCTP, GCTP,
GSPC, GSPC, GTRB, GTRB, GTRB, GICE, GICE, GICE };
int gsym[] = { 0, 6, 7, 8, 9, 10, 0, 8,
0, 0, 0, 0, 0, 0, 0, 1,
2, 0, 0, 3, 4, 5, 999, 1999,
5999, 6999, 3999, 8999, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15,
16, 9, 18, 19, 50, 60, 70, 68,
30, 14, 16, 15, 4, 45, 8, 31,
18, 17, 34, 36, 37, 38, 39, 41,
44, 48, 49, 52, 56, 57, 66, 67,
47, 58, 76, 77, 78, 79, 81, 62,
4, 19, 20, 43, 21, 23, 22, 24,
97, 72, 12, 13, 29, 11, 12, 13,
14, 15, 16, 17, 18, 19, 1, 2,
3, 4, 5, 6, 7, 8, 9, 21,
22, 23, 24, 25, 26, 27, 28, 29,
25, 26, 2, 4, 6, 3, 5, 8 };
/*---------------------------------------------------------------------*/
*iret = 0;
sf = 0.25F;
temp = 0.8F;
fntnum = 21;
txtflg = 2;
ixoff = 0;
iyoff = 0;
rotat = 0.0F;
delx = 0;
dely = 0;
txtwid = 1;
/*
** Decode the header of the C5 or C8 record.
*/
utf_dtext( offflg, shift_x, shift_y, zm, endof, ptr, &g, &b, &rb,
&zt, &pltfil, &zf, &chrsiz, &ipnt, &jpnt, &len, &bytadd,
&ier );
*add = bytadd;
ptr += 6;
/*
** If offset text record C8, decode delta X and delta Y.
*/
if ( offflg ) {
for ( i = 0; i < 2; i++, ptr++ ) {
sign = *ptr & 0x80;
offset = *ptr & 0x7f;
if ( sign != 0 )
offset -= 0x80;
if ( i == 0 )
delx = offset << shift_x;
else
dely = offset << shift_y;
}
}
/*
** Query MAP and DEVICE bounds and compute X and Y ratios that
** will adjust delta X and delta Y for zooming. Add delta X and
** delta Y to I, J.
*/
gqbnd( sys_M, &xl, &yb, &xr, &yt, &ier, strlen(sys_M) );
xin[0] = xl;
xin[1] = xr;
yin[0] = yb;
yin[1] = yt;
numpnt = 2;
gtrans( sys_M, sys_G, &numpnt, xin, yin, xout, yout, &ier,
strlen(sys_M), strlen(sys_G) );
gqbnd( sys_D, &xl2, &yb2, &xr2, &yt2, &ier, strlen(sys_D) );
xrat = (xout[1] - xout[0]) / (xr2 - xl2) / 2.0F;
yrat = (yout[1] - yout[0]) / (yb2 - yt2) / 2.0F;
rx = (float) ipnt;
ry = (float) jpnt;
rdelx = (float) delx;
rdely = (float) dely;
rx = rx + (rdelx + 3.0F) * xrat;
ry = ry + (rdely + 15.0F) * yrat;
spcflg = G_FALSE;
textfg = G_FALSE;
nchr = 0;
/*
** Traverse string of characters, plotting only if plot filter is true.
*/
while ( (*ptr < 128) && (ptr < endof) ) {
if ( pltfil ) {
/*
** If a cursor moving character is encountered and textfg is
** TRUE, build string from buffer and pass into GTEXT to be
** plotted.
*/
if ( ( *ptr == 18 ) || (( *ptr >= 8 ) && ( *ptr <= 13 ) ) ) {
if ( textfg ) {
j = 0;
for ( i = 0; i < nchr; i++, tmpbuf++) {
if ( ( *tmpbuf >= 32 ) && ( *tmpbuf < 127 ) ) {
string[j] = *tmpbuf;
j++;
}
}
string[j] = CHNULL;
if ( chrsiz < 3 ) {
txtsiz = 1.000F;
}
else {
txtsiz = 1.714F;
}
idum = 0;
gstext( &fntnum, &txtflg, &txtsiz, &txtwid,
&idum, &idum, &idum, &ier );
cst_unpr( (char *)string, (char *)outstr, &ier );
strcpy(newstr, (char *) outstr);
cst_lstr( newstr, &nc, &ier );
if ( nc > 0 ) {
gtext( sys_G, &rx, &ry, newstr, &rotat, &ixoff,
&iyoff, &ier, strlen(sys_G),
strlen(newstr) );
ixoff = nc * 3;
}
textfg = G_FALSE;
nchr = 0;
}
/*
** Check for special characters and set appropriate GEMPAK
** offsets.
*/
switch(*ptr) {
/*
** Back space.
*/
case 8:
ixoff -= 2;
break;
/*
** Forward space.
*/
case 9:
ixoff += 2;
break;
/*
** Down space.
*/
case 10:
iyoff -= 2;
break;
/*
** Up space.
*/
case 11:
iyoff += 2;
break;
/*
** New Line (1.5).
*/
case 12:
ixoff = 0;
iyoff -= 3;
break;
/*
** New Line (1.0).
*/
case 13:
ixoff = 0;
iyoff -= 2;
break;
/*
** Set special character flag.
*/
case 18:
spcflg = G_TRUE;
break;
}
}
/*
** If a reset to regular character mode character is
** encountered, set the special character flag back to FALSE.
*/
else if ( *ptr == 17 ) {
spcflg = G_FALSE;
}
/*
** If a special character is encountered, check it against the
** symbol array, and plot it according to which symbol code it
** represents.
*/
else {
if ( spcflg ) {
np = 1;
switch (gfunc[*ptr]) {
/*
** Sky cover.
*/
case GSKY:
isktyp = 0;
iskwid = 0;
szsky = temp + ((float) chrsiz*sf) - 0.05F;
rcode = (float) gsym[*ptr];
gssky( &szsky, &isktyp, &iskwid, &ier );
gsky( sys_G, &np, &rcode, &rx, &ry, &ixoff,
&iyoff, &ier, strlen(sys_G) );
break;
/*
** Past weather.
*/
case GPWX:
ipwwid = 0;
szpwth = temp + ((float) chrsiz*sf);
rcode = (float) gsym[*ptr];
gspwth( &szpwth, &ipwwid, &ier );
gpwth( sys_G, &np, &rcode, &rx, &ry, &ixoff,
&iyoff, &ier, strlen(sys_G) );
break;
/*
** Pressure tendency.
*/
case GPTN:
iptwid = 0;
szptnd = temp + ((float) chrsiz*sf);
rcode = (float) gsym[*ptr];
gsptnd( &szptnd, &iptwid, &ier );
gptnd( sys_G, &np, &rcode, &rx, &ry, &ixoff,
&iyoff, &ier, strlen(sys_G) );
break;
/*
** WMO weather symbols.
*/
case GWTH:
iwtwid = 0;
if ( gsym[*ptr] == 70 || gsym[*ptr] == 72 )
szwthr = temp + ((float) chrsiz*sf) +
0.5F;
else
szwthr = temp + ((float) chrsiz*sf);
rcode = (float) gsym[*ptr];
gswthr( &szwthr, &iwtwid, &ier );
gwthr( sys_G, &np, &rcode, &rx, &ry, &ixoff,
&iyoff, &ier, strlen(sys_G) );
break;
/*
** Cloud type.
*/
case GCTP:
ictwid = 0;
szctyp = temp + ((float) chrsiz*sf);
rcode = (float) gsym[*ptr];
gsctyp( &szctyp, &ictwid, &ier );
gctyp( sys_G, &np, &rcode, &rx, &ry, &ixoff,
&iyoff, &ier, strlen(sys_G) );
break;
/*
** Special symbols.
*/
case GSPC:
ispwid = 0;
if ( gsym[*ptr] == 12 || gsym[*ptr] == 13 )
szspcl = temp + ((float) chrsiz*sf) -
0.3F;
else if ( gsym[*ptr] == 0 )
szspcl = temp + ((float) chrsiz*sf) -
0.4F;
else
szspcl = temp + ((float) chrsiz*sf);
rcode = (float) gsym[*ptr];
gsspcl( &szspcl, &ispwid, &ier );
gspcl( sys_G, &np, &rcode, &rx, &ry, &ixoff,
&iyoff, &ier, strlen(sys_G) );
break;
/*
** Turbulence.
*/
case GTRB:
ituwid = 0;
szturb = temp + ((float) chrsiz*sf) - 0.5F;
rcode = (float) gsym[*ptr];
gsturb( &szturb, &ituwid, &ier );
gturb( sys_G, &np, &rcode, &rx, &ry, &ixoff,
&iyoff, &ier, strlen(sys_G) );
break;
/*
** Icing.
*/
case GICE:
icewid = 0;
szicng = temp + ((float) chrsiz*sf) - 0.5F;
rcode = (float) gsym[*ptr];
gsicng( &szicng, &icewid, &ier );
gicng( sys_G, &np, &rcode, &rx, &ry, &ixoff,
&iyoff, &ier, strlen(sys_G) );
break;
}
ixoff += 2;
}
/*
** If textfg is FALSE, place character in buffer to be used
** in later building the string to plot.
*/
else {
if ( !textfg ) {
tmpbuf = ptr;
textfg = G_TRUE;
}
nchr++;
}
}
}
ptr++;
}
/*
** Build string from buffer and pass into GTEXT to be plotted.
*/
if ( textfg ) {
if ( pltfil ) {
j = 0;
for ( i = 0; i < nchr; i++, tmpbuf++) {
if ( ( *tmpbuf >= 32 ) && ( *tmpbuf < 127 ) ) {
string[j] = *tmpbuf;
j++;
}
}
string[j] = CHNULL;
if ( chrsiz < 3 ) {
txtsiz = 1.000F;
}
else {
txtsiz = 1.714F;
}
idum = 0;
gstext( &fntnum, &txtflg, &txtsiz, &txtwid,
&idum, &idum, &idum, &ier );
cst_unpr( (char *)string, (char *)outstr, &ier );
strcpy(newstr, (char *) outstr);
cst_lstr( newstr, &nc, &ier );
if ( nc > 0 ) {
gtext( sys_G, &rx, &ry, newstr, &rotat, &ixoff,
&iyoff, &ier, strlen(sys_G), strlen(newstr) );
ixoff = nc * 3;
}
textfg = G_FALSE;
nchr = 0;
}
}
}
void cds_sig ( VG_DBStruct *el, int indx, int *iret )
/************************************************************************
* cds_sig *
* *
* This function displays SIGMETs to the output device. *
* *
* cds_sig (el, indx, iret) *
* *
* Input parameters: *
* *el VG_DBStruct Pointer to VG record structure *
* indx int Index into user attribute table *
* *
* Output parameters: *
* *iret int Return code *
* *
** *
* Log: *
* D.W.Plummer/NCEP 7/99 Copied from cds_line *
* D.W.Plummer/NCEP 9/99 Compute circle from element distance; *
* Compute line extension area *
* H. Zeng/EAI 9/99 Preserve plot attributes *
* F. J. Yen/NCEP 10/99 Handled user attribute table *
* M. Li/GSC 10/99 Modified clo_direct and clo_dltln codes *
* D.W.Plummer/NCEP 12/99 Added plotting of sequence number *
* M. Li/GSC 1/00 Used string variables in gtrans *
* S. Law/GSC 05/00 changed to use MAX_SIGMET for lat/lon *
* H. Zeng/EAI 06/00 increased the sizes of lat&lon arrays *
* A. Hardy/GSC 11/00 renamed coordinate system declarations *
* M. Li/SAIC 01/03 delete vgstruct.h *
* T. Piper/SAIC 12/05 redone with new Setting_t structure *
***********************************************************************/
{
int ii, kk, npts, np, intrsct, ier;
int mtype, color, width, lintyp, lthw, lwhw, mkhw, two;
int iltypx, ilthwx, iwidthx, iwhwx, icolrx, imarkx, imkhwx, imkwidx;
char str[4];
float lat[MAX_SIGMET*2+3], lon[MAX_SIGMET*2+3];
float size, dist, dir, ang1, ang2;
float dirs[]={ 0.0F, 180.0F, 90.0F, 270.0F };
float s1lat[2], s1lon[2], s2lat[2], s2lon[2];
float x1[2], y1[2], x2[2], y2[2];
float xint, yint;
float szmarkx;
float lbllat, lbllon, rotat=0.0F;
int ixoff=0, iyoff=2;
int itxfn_s, itxhw_s, itxwid_s, ibrdr_s, irrotn_s, ijust_s;
float sztext_s;
int itxfn, itxhw, itxwid, ibrdr, irrotn, ijust;
float sztext;
SigmetType *psig;
/*---------------------------------------------------------------------*/
*iret = 0;
/*
* Save plot attributes.
*/
gqcolr ( &icolrx, &ier );
gqline ( &iltypx, &ilthwx, &iwidthx, &iwhwx, &ier );
gqmrkr ( &imarkx, &imkhwx, &szmarkx, &imkwidx, &ier );
/*
* setup basic information
*/
psig = &(el->elem.sig);
width = (int) (( ( cdsUattr[indx].info.sig->linwid == 0 ) ?
(float)psig->info.linwid :
(float)cdsUattr[indx].info.sig->linwid) * cdsLineWdth);
lintyp = ( cdsUattr[indx].info.sig->lintyp == 0 ) ?
psig->info.lintyp : cdsUattr[indx].info.sig->lintyp;
lthw = 0;
lwhw = 0;
mtype = 1;
mkhw = 0;
size = 1.0F;
np = psig->info.npts;
gsline (&lintyp, <hw, &width, &lwhw, &ier);
color = (cdsColor == 0) ?
( ( cdsUattr[indx].maj_col == 0 ) ?
el->hdr.maj_col : cdsUattr[indx].maj_col ) : cdsColor;
gscolr (&color, &ier);
switch ( psig->info.subtype ) {
case SIGTYP_ISOL: /* isolated */
/*
* Plot marker w/ surrounding circle
*/
lat[0] = psig->latlon[0];
lon[0] = psig->latlon[np];
gsmrkr ( &mtype, &mkhw, &size, &width, &ier );
gmark ( sys_M, &np, lat, lon, &ier, strlen(sys_M) );
if ( !G_DIFF(psig->info.distance, 0.0F ) ) {
dir = ( lat[0] >= 0.F ) ? 180.F : 0.F;
dist = psig->info.distance * NM2M;
clo_dltln ( &lat[0], &lon[0], &dist, &dir, &(lat[1]), &(lon[1]), &ier );
np = 18;
gcircl ( sys_M, lat, lon, &(lat[1]), &(lon[1]), &np,
&ier, strlen(sys_M) );
}
break;
case SIGTYP_LINE: /* line */
for ( ii = 0; ii < np; ii++ ) {
lat[ii] = psig->latlon[ii];
lon[ii] = psig->latlon[ii+np];
}
gline ( sys_M, &np, lat, lon, &ier, strlen(sys_M) );
if ( !G_DIFF(psig->info.distance, 0.0F) ) {
lintyp = 2;
gsline (&lintyp, <hw, &width, &lwhw, &ier);
dist = psig->info.distance * NM2M;
switch ( psig->info.sol ) {
case SIGLINE_NOF:
case SIGLINE_SOF:
case SIGLINE_EOF:
case SIGLINE_WOF:
npts = 1;
for ( ii = 0; ii < np; ii++ ) {
clo_dltln ( &(psig->latlon[ii]), &(psig->latlon[ii+np]),
&dist, &(dirs[psig->info.sol-1]),
&(lat[npts]), &(lon[npts]), &ier );
npts++;
}
lat[npts] = psig->latlon[np-1];
lon[npts] = psig->latlon[2*np-1];
npts++;
gline ( sys_M, &npts, lat, lon, &ier, strlen(sys_M) );
break;
case SIGLINE_ESOL:
lat[0] = psig->latlon[0];
lon[0] = psig->latlon[np];
clo_direct ( &(psig->latlon[1]), &(psig->latlon[np+1]),
&(psig->latlon[0]), &(psig->latlon[np ]),
&ang1, &ier );
ang1 -= 90.0F;
clo_dltln ( &(psig->latlon[0]), &(psig->latlon[np]), &dist,
&ang1, &(lat[2*np+1]), &(lon[2*np+1]), &ier );
ang1 = ang1 - 180.0F;
clo_dltln ( &(psig->latlon[0]), &(psig->latlon[np]), &dist,
&ang1, &(lat[1]), &(lon[1]), &ier );
ang2 = ang1;
two = 2;
for ( ii = 1; ii < np-1; ii++ ) {
clo_direct ( &(psig->latlon[ii-1]), &(psig->latlon[np+ii-1]),
&(psig->latlon[ii]), &(psig->latlon[np+ii]),
&ang1, &ier );
ang1 = (float)fmod ( ((double)ang1+270.0), 360.0);
clo_dltln ( &(psig->latlon[ii]), &(psig->latlon[np+ii]),
&dist, &ang1, &(s1lat[1]), &(s1lon[1]), &ier );
clo_direct ( &(psig->latlon[ii+1]), &(psig->latlon[np+ii+1]),
&(psig->latlon[ii]), &(psig->latlon[np+ii]),
&ang2, &ier );
ang2 = (float)fmod ( ((double)ang2+90.0), 360.0);
clo_dltln ( &(psig->latlon[ii]), &(psig->latlon[np+ii]),
&dist, &ang2, &(s2lat[0]), &(s2lon[0]), &ier );
if ( G_ABS(ang1-ang2) > 1.F ) {
clo_dltln ( &(psig->latlon[ii-1]), &(psig->latlon[np+ii-1]),
&dist, &ang1, &(s1lat[0]), &(s1lon[0]), &ier );
clo_dltln ( &(psig->latlon[ii+1]), &(psig->latlon[np+ii+1]),
&dist, &ang2, &(s2lat[1]), &(s2lon[1]), &ier );
gtrans ( sys_M, sys_N, &two, s1lat, s1lon, x1, y1,
&ier, strlen(sys_M), strlen(sys_N) );
gtrans ( sys_M, sys_N, &two, s2lat, s2lon, x2, y2,
&ier, strlen(sys_M), strlen(sys_N) );
cgr_segint( sys_N, x1, y1, sys_N, x2, y2,
sys_M, &xint, &yint, &intrsct, &ier );
}
else {
xint = (s1lat[1] + s2lat[0]) / 2.0F;
yint = (s1lon[1] + s2lon[0]) / 2.0F;
}
kk = ii + 1;
lat[kk] = xint;
lon[kk] = yint;
ang1 = (float)fmod ( ((double)ang1+180.0), 360.0 );
ang2 = (float)fmod ( ((double)ang2+180.0), 360.0 );
clo_dltln ( &(psig->latlon[ii]), &(psig->latlon[np+ii]),
&dist, &ang1, &(s1lat[1]), &(s1lon[1]), &ier );
clo_dltln ( &(psig->latlon[ii]), &(psig->latlon[np+ii]),
&dist, &ang2, &(s2lat[0]), &(s2lon[0]), &ier );
if ( G_ABS(ang1-ang2) > 1.F ) {
clo_dltln ( &(psig->latlon[ii-1]), &(psig->latlon[np+ii-1]),
&dist, &ang1, &(s1lat[0]), &(s1lon[0]), &ier );
clo_dltln ( &(psig->latlon[ii+1]), &(psig->latlon[np+ii+1]),
&dist, &ang2, &(s2lat[1]), &(s2lon[1]), &ier );
gtrans ( sys_M, sys_N, &two, s1lat, s1lon, x1, y1,
&ier, strlen(sys_M), strlen(sys_N) );
gtrans ( sys_M, sys_N, &two, s2lat, s2lon, x2, y2,
&ier, strlen(sys_M), strlen(sys_N) );
cgr_segint( sys_N, x1, y1, sys_N, x2, y2,
sys_M, &xint, &yint, &intrsct, &ier );
}
else {
xint = (s1lat[1] + s2lat[0]) / 2.0F;
yint = (s1lon[1] + s2lon[0]) / 2.0F;
}
kk = 2*np - ii + 1;
lat[kk] = xint;
lon[kk] = yint;
ang1 = (float)fmod ( ((double)ang1+180.0), 360.0 );
ang2 = (float)fmod ( ((double)ang2+180.0), 360.0 );
ang1 = ang2;
}
clo_direct ( &(psig->latlon[np-2]), &(psig->latlon[2*np-2]),
&(psig->latlon[np-1]), &(psig->latlon[2*np-1]),
&ang2, &ier );
ang2 -= 90.0F;
clo_dltln ( &(psig->latlon[np-1]), &(psig->latlon[2*np-1]),
&dist, &ang2, &(lat[np]), &(lon[np]), &ier );
ang2 = (float)fmod ( ((double)ang2+180.0), 360.0);
clo_dltln ( &(psig->latlon[np-1]), &(psig->latlon[2*np-1]),
&dist, &ang2, &(lat[np+2]), &(lon[np+2]), &ier );
lat[np+1] = psig->latlon[np-1];
lon[np+1] = psig->latlon[2*np-1];
lat[2*np+2] = lat[0];
lon[2*np+2] = lon[0];
npts = 2*np + 3;
gline ( sys_M, &npts, lat, lon, &ier, strlen(sys_M) );
break;
}
}
break;
case SIGTYP_AREA: /* area */
for ( ii = 0; ii < np; ii++ ) {
lat[ii] = psig->latlon[ii];
lon[ii] = psig->latlon[ii+np];
}
lat[np] = psig->latlon[0];
lon[np] = psig->latlon[np];
np++;
gline ( sys_M, &np, lat, lon, &ier, strlen(sys_M) );
break;
}
if ( el->hdr.vg_type == SIGCONV_ELM || el->hdr.vg_type == SIGOUTL_ELM ) {
if ( el->hdr.vg_type == SIGCONV_ELM )
sprintf( str, "%d%c", psig->info.seqnum, psig->info.msgid[0] );
else if ( el->hdr.vg_type == SIGOUTL_ELM )
sprintf( str, "%d", psig->info.seqnum );
np = psig->info.npts;
lbllat = psig->latlon[0];
lbllon = psig->latlon[np];
for ( ii = 1; ii < np; ii++ ) {
if ( psig->latlon[ii] > lbllat ) {
lbllat = psig->latlon[ii];
lbllon = psig->latlon[ii+np];
}
}
gqtext( &itxfn_s, &itxhw_s, &sztext_s, &itxwid_s, &ibrdr_s,
&irrotn_s, &ijust_s, &ier );
itxfn = 0;
itxhw = 0;
sztext = 1.5F;
itxwid = 0;
ibrdr = 0;
irrotn = 0;
ijust = 2;
gstext( &itxfn, &itxhw, &sztext, &itxwid, &ibrdr, &irrotn, &ijust, &ier );
gtext( sys_M, &lbllat, &lbllon, str, &rotat, &ixoff, &iyoff, &ier,
strlen(sys_M), strlen(str) );
gstext( &itxfn_s, &itxhw_s, &sztext_s, &itxwid_s, &ibrdr_s,
&irrotn_s, &ijust_s, &ier );
}
/*
* Restore the saved plot attribute values
*/
gsmrkr ( &imarkx, &imkhwx, &szmarkx, &imkwidx, &ier );
gsline ( &iltypx, &ilthwx, &iwidthx, &iwhwx, &ier );
gscolr ( &icolrx, &ier );
}