int
PLP_rangesweep()
{
char attr[NAMEMAXLEN], *line, *lineval;
int lvp, first;
int i, j, stat, npoints, result, xfield, lofield, hifield;
double start, stop, xstart, f; double x, lo, hi, lastx, lastlo, lasthi;
char *color, *legendlabel, *selectex;
char oldcolor[COLORLEN];
TDH_errprog( "pl proc rangesweep" );
/* initialize */
xfield = -1; lofield = -1; hifield = -1;
start = EDXlo; stop = EDXhi; xstart = EDXlo;
color = "gray(0.9)";
legendlabel = "";
selectex = "";
/* get attributes.. */
first = 1;
while( 1 ) {
line = getnextattr( first, attr, &lvp );
if( line == NULL ) break;
first = 0;
lineval = &line[lvp];
if( strcmp( attr, "xfield" )==0 ) xfield = fref( lineval ) - 1;
else if( strcmp( attr, "lofield" )==0 ) lofield = fref( lineval ) - 1;
else if( strcmp( attr, "hifield" )==0 ) hifield = fref( lineval ) - 1;
else if( strcmp( attr, "legendlabel" )==0 ) legendlabel = lineval;
else if( strcmp( attr, "sweeprange" )==0 ) getrange( lineval, &start, &stop, 'x', EDXlo, EDXhi );
else if( strcmp( attr, "xstart" )==0 ) { xstart = Econv( X, lineval ); if( Econv_error() ) xstart = EDXlo; }
else if( strcmp( attr, "select" )==0 ) selectex = lineval;
else if( strcmp( attr, "color" )==0 ) color = lineval;
else Eerr( 1, "attribute not recognized", attr );
}
/* -------------------------- */
/* overrides and degenerate cases */
/* -------------------------- */
if( Nrecords < 1 ) return( Eerr( 17, "No data has been read yet w/ proc getdata", "" ) );
if( !scalebeenset() )
return( Eerr( 51, "No scaled plotting area has been defined yet w/ proc areadef", "" ) );
if( (lofield < 0 || lofield >= Nfields )) return( Eerr( 601, "lofield out of range", "" ) );
if( (hifield < 0 || hifield >= Nfields )) return( Eerr( 601, "hifield out of range", "" ) );
if( xfield >= Nfields ) return( Eerr( 601, "xfield out of range", "" ) );
/* -------------------------- */
/* now do the plotting work.. */
/* -------------------------- */
/* put all values into PLV array.. */
j = 0;
f = xstart;
for( i = 0; i < Nrecords; i++ ) {
if( selectex[0] != '\0' ) { /* process against selection condition if any.. */
stat = do_select( selectex, i, &result );
if( stat != 0 ) { Eerr( stat, "Select error", selectex ); continue; }
if( result == 0 ) continue;
}
/* X */
if( xfield < 0 ) {
PLV[j] = f;
f += 1.0;
}
else {
PLV[j] = fda( i, xfield, X );
if( Econv_error() ) {
conv_msg( i, xfield, "xfield" );
PLV[j] = NEGHUGE;
}
}
j++;
/* LO */
PLV[j] = fda( i, lofield, Y );
if( Econv_error() ) {
conv_msg( i, lofield, "yfield" );
PLV[j] = NEGHUGE;
/* continue; */
}
j++;
/* HI */
PLV[j] = fda( i, hifield, Y );
if( Econv_error() ) {
conv_msg( i, hifield, "hifield" );
PLV[j] = NEGHUGE;
/* continue; */
}
j++;
if( j >= PLVsize-3 ) {
Eerr( 3579, "Too many points, sweep truncated (raise using -maxvector)", "" );
break;
}
}
npoints = j / 3;
/* draw the sweep.. */
/* ---------------- */
first = 1;
lastlo = 0.0;
lasthi = 0.0;
lastx = 0.0;
strcpy( oldcolor, Ecurcolor );
Ecolor( color );
for( i = 0; i < npoints; i++ ) {
if( !first && (hi > (NEGHUGE+1) && lo > (NEGHUGE+1) &&
x > (NEGHUGE+1) && x < (PLHUGE-1) ) ) {
lastlo = lo;
lasthi = hi;
lastx = x;
}
x = dat3d(i,0);
lo = dat3d(i,1);
hi = dat3d(i,2);
/* fprintf( stderr, "[last: x=%g lo=%g hi=%g current: x=%g lo=%g hi=%g]", lastx, lastlo, lasthi, x, lo, hi ); */
/* skip bad values and places */
if( x < (NEGHUGE+1) || lo < (NEGHUGE+1) || hi < (NEGHUGE+1) ) {
/* fprintf( stderr, "[skip]\n" ); */
continue;
}
/* if lo > hi reset so a new sweep can be started later.. */
if( lo > hi || x > (PLHUGE-1) ) {
first = 1;
/* fprintf( stderr, "[reset]\n" ); */
continue;
}
if( x < start ) {
/* fprintf( stderr, "[too lo]\n" ); */
continue; /* out of range - lo */
}
if( x > stop ) { /* out of range - hi */
/* fprintf( stderr, "[too hi]\n" ); */
break;
}
if( first ) {
/* fprintf( stderr, "[First]\n" ); */
first = 0;
continue;
}
if( !first ) {
/* fprintf( stderr, "[Draw]\n" ); */
Emovu( x, lo ); Epathu( lastx, lastlo );
Epathu( lastx, lasthi );
Epathu( x, hi );
/* Ecolorfill( color ); */ /* using Efill scg 6/18/04 */
Efill();
continue;
}
}
Ecolor( oldcolor );
if( legendlabel[0] != '\0' ) {
PL_add_legent( LEGEND_COLOR, legendlabel, "", color, "", "" );
}
return( 0 );
}
int
PLP_scatterplot()
{
int i;
char attr[NAMEMAXLEN], val[256];
char *line, *lineval;
int nt, lvp;
int first;
int stat;
int align;
double adjx, adjy;
int xfield, yfield;
char symbol[256];
double linelen;
char linedetails[256];
double xloc, yloc;
int cluster;
double radius;
char symcode[80];
double x, y;
char text[256];
double cx, cy;
double hlinelen;
char textdetails[256];
int lblfield;
char selex[256];
int result;
double sizescale;
int sizefield;
double ox[38], oy[38];
double clusterfact;
double oldx, oldy;
int dupcount;
int subdupcount;
int clustevery;
int verttext;
int nrow;
char legendlabel[256]; /* raised (can contain urls for clickmap) scg 4/22/04 */
char xrange[80], yrange[80];
double xlo, xhi, ylo, yhi;
char rhi[40], rlo[40];
double clusterdiff;
int realrow;
int clustermeth;
int symfield;
int symfield_userange;
int dupsleg;
char mapurl[MAXPATH], expurl[MAXPATH];
char maplabel[MAXTT], explabel[MAXTT];
int irow;
double ptx, pty;
double hw, txhi;
char linedir, reqlinedir;
double rectw, recth;
int dorect, rectoutline;
int clickmap_on;
int flop2;
int maxdups;
char labelword[80], labeltxt[80];
double vennden;
TDH_errprog( "pl proc scatterplot" );
/* initialize */
xfield = -1; yfield = -1;
strcpy( symbol, "" );
linelen = -1.0;
strcpy( linedetails, "" );
xloc = 0.0;
yloc = 0.0;
/* cluster = 1; */
cluster = 0; /* changed and added to "breakers" in docs, scg 5/29/06 */
strcpy( text, "" );
strcpy( textdetails, "" );
lblfield = -1;
strcpy( selex, "" );
sizefield = -1;
sizescale = 0.5/72.0; /* correspond roughly with pt size */
clusterfact = 0.01;
verttext = 0;
strcpy( legendlabel, "" );
strcpy( xrange, "" );
strcpy( yrange, "" );
clustevery = 0;
clusterdiff = 0.001;
clustermeth = 0;
symfield = -1;
dupsleg = 0;
symfield_userange = 0;
strcpy( mapurl, "" ); strcpy( expurl, "" );
strcpy( maplabel, "" ); strcpy( explabel, "" );
dorect = 0;
rectoutline = 0;
linedir = reqlinedir = '\0'; /* scg 3/4/03 */
clickmap_on = 0;
strcpy( labelword, "@VAL" );
vennden = 0.0;
/* get attributes.. */
first = 1;
while( 1 ) {
line = getnextattr( first, attr, val, &lvp, &nt );
if( line == NULL ) break;
first = 0;
lineval = &line[lvp];
if( stricmp( attr, "xfield" )==0 ) xfield = fref( val ) -1;
else if( stricmp( attr, "yfield" )==0 ) yfield = fref( val ) -1;
else if( stricmp( attr, "labelfield" )==0 ) lblfield = fref( val ) -1;
else if( stricmp( attr, "symbol" )==0 ) strcpy( symbol, lineval );
else if( stricmp( attr, "text" )==0 ) strcpy( text, val );
else if( stricmp( attr, "textdetails" )==0 ) strcpy( textdetails, lineval );
else if( stricmp( attr, "sizefield" )==0 ) sizefield = fref( val ) -1;
else if( stricmp( attr, "sizescale" )==0 ) sizescale = atof( val ) * 0.5/72.0;
else if( stricmp( attr, "xrange" )==0 ) strcpy( xrange, lineval );
else if( stricmp( attr, "yrange" )==0 ) strcpy( yrange, lineval );
else if( stricmp( attr, "clickmapurl" )==0 ) {
if( PLS.clickmap ) { strcpy( mapurl, val ); clickmap_on = 1; }
}
else if( stricmp( attr, "clickmaplabel" )==0 ) {
if( PLS.clickmap ) { strcpy( maplabel, lineval ); clickmap_on = 1; }
}
else if( stricmp( attr, "clickmaplabeltext" )==0 ) {
if( PLS.clickmap ) { getmultiline( "clickmaplabeltext", lineval, MAXTT, maplabel ); clickmap_on = 1; }
}
else if( stricmp( attr, "linelen" )==0 ) {
if( val[0] == '\0' ) linelen = -1.0;
else {
linelen = atof( val );
if( PLS.usingcm ) linelen /= 2.54;
}
}
else if( stricmp( attr, "linedir" )==0 ) reqlinedir = tolower( val[0] );
else if( stricmp( attr, "linedetails" )==0 ) strcpy( linedetails, lineval );
else if( stricmp( attr, "xlocation" )==0 ) {
Eposex( lineval, X, &xloc ); /* val -> lineval scg 5/3/99 */
if( Econv_error() ) Eerr( 2394, "invalid xlocation", val );
}
else if( stricmp( attr, "ylocation" )==0 ) {
Eposex( lineval, Y, &yloc ); /* val -> lineval 5/3/99 */
if( Econv_error() ) Eerr( 2395, "invalid ylocation", val );
}
else if( stricmp( attr, "select" )==0 ) strcpy( selex, lineval );
else if( stricmp( attr, "legendlabel" )==0 ) strcpy( legendlabel, lineval );
else if( stricmp( attr, "cluster" )==0 ) {
if( strnicmp( val, YESANS, 1 )==0 ) cluster = 1;
else cluster = 0;
}
else if( stricmp( attr, "clusterdiff" )==0 ) {
cluster = 1;
clusterdiff = atof( val );
}
else if( stricmp( attr, "clustermethod" )==0 ) {
cluster = 1;
clustermeth = tolower( val[0] ); /* h, v, 2, u, r, .. */
}
else if( stricmp( attr, "clusterfact" )==0 ) {
cluster = 1;
clusterfact = atof( val ) * .01;
}
else if( stricmp( attr, "clustevery" )==0 ) {
cluster = 1;
clustevery = atoi( val );
if( clustevery < 1 ) clustevery = 1;
}
else if( stricmp( attr, "dupsleg" )==0 ) {
if( strnicmp( val, YESANS, 1 )==0 ) {
dupsleg = 1;
cluster = 1;
clustermeth = 'l';
strcpy( symbol, "sym6a" ); /* just to get us into symbol mode */
}
else dupsleg = 0;
}
else if( stricmp( attr, "symfield" )==0 ) {
strcpy( symbol, "sym6a" ); /* just to get us into symbol mode */
symfield = fref( val ) -1;
symfield_userange = 0;
}
else if( stricmp( attr, "symrangefield" )==0 ) {
strcpy( symbol, "sym6a" ); /* just to get us into symbol mode */
symfield = fref( val ) -1;
symfield_userange = 1;
}
else if( stricmp( attr, "verticaltext" )==0 ) {
if( strnicmp( val, YESANS, 1 )==0 ) verttext = 1;
else verttext = 0;
}
else if( stricmp( attr, "rectangle" )==0 ) {
nt = sscanf( lineval, "%lf %lf %s", &rectw, &recth, val );
if( nt == 3 ) rectoutline = 1;
rectw *= 0.5;
recth *= 0.5;
rectw = Eax( rectw ) - Eax( 0.0 );
recth = Eay( recth ) - Eay( 0.0 );
dorect = 1;
}
else if( stricmp( attr, "labelword" ) == 0 ) strcpy( labelword, lineval );
else if( stricmp( attr, "vennden" ) == 0 ) vennden = atof( val );
else Eerr( 1, "attribute not recognized", attr );
}
/* overrides and degenerate cases */
/* -------------------------- */
if( Nrecords < 1 ) return( Eerr( 17, "No data has been read yet w/ proc getdata", "" ) );
if( !scalebeenset() )
return( Eerr( 51, "No scaled plotting area has been defined yet w/ proc areadef", "" ) );
if( xfield < 0 && yfield < 0 ) return( Eerr( 2205, "Niether xfield nor yfield defined", "" ));
if( lblfield >= 0 ) cluster = 0; /* added scg 12/21/00 */
if( stricmp( legendlabel, "#usexname" )==0 ) getfname( xfield+1, legendlabel );
if( stricmp( legendlabel, "#useyname" )==0 ) getfname( yfield+1, legendlabel );
if( dorect ) strcpy( symbol, "" );
/* now do the plotting work.. */
/* -------------------------- */
if( cluster ) {
/* make offsets */
for( i = 0; i < 38; i++ ) {
ox[i] = xofst[i] * clusterfact;
oy[i] = yofst[i] * clusterfact;
}
/* determine cluster method */
if( clustermeth == 0 ) {
if( yfield < 0 ) clustermeth = 'v'; /* 1-d horizontal - cluster vertically (was 'h'-scg 4/21/05) */
else if( xfield < 0 ) clustermeth = 'h'; /* 1-d vertical - cluster horizontally (was 'v'-scg 4/21/05) */
else clustermeth = '2'; /* 2-d cluster */
}
}
/* ranges */
xlo = EDXlo;
xhi = EDXhi;
ylo = EDYlo;
yhi = EDYhi;
if( xrange[0] != '\0' ) {
nt = sscanf( xrange, "%s %s", rlo, rhi );
xlo = Econv( X, rlo );
if( Econv_error() ) { Eerr( 3958, "xrange bad format", rlo ); xlo = EDXlo; }
if( nt == 2 ) xhi = Econv( X, rhi );
if( Econv_error() ) { Eerr( 3958, "xrange bad format", rhi ); xhi = EDXhi; }
}
if( yrange[0] != '\0' ) {
nt = sscanf( yrange, "%s %s", rlo, rhi );
ylo = Econv( Y, rlo );
if( Econv_error() ) { Eerr( 3958, "yrange bad format", rlo ); ylo = EDYlo; }
if( nt == 2 ) yhi = Econv( Y, rhi );
if( Econv_error() ) { Eerr( 3958, "yrange bad format", rhi ); yhi = EDYhi; }
}
nrow = 0;
for( i = 0; i < Nrecords; i++ ) {
if( selex[0] != '\0' ) { /* process against selection condition if any.. */
stat = do_select( selex, i, &result );
if( stat != 0 ) { Eerr( stat, "Select error", selex ); continue; }
if( result == 0 ) continue; /* reject */
}
/* get x value.. */
if( xfield >= 0 ) {
x = fda( i, xfield, 'x' );
if( Econv_error() ) { conv_msg( i, xfield, "xfield" ); continue; }
if( x < xlo || x > xhi ) continue;
}
/* get y value.. */
if( yfield >= 0 ) {
y = fda( i, yfield, 'y' );
if( Econv_error() ) { conv_msg( i, yfield, "yfield" ); continue; }
if( y < ylo || y > yhi ) continue;
}
/* go to absolute units.. */
if( xfield < 0 ) x = xloc;
else x = Eax(x);
if( yfield < 0 ) y = yloc;
else y = Eay(y);
/* put (x,y) into PLV array so points can be sorted.. */
if( nrow >= PLVthirdsize ) {
fprintf( PLS.errfp, "point capacity exceeded, skipping data point (raise using -maxvector)\n" );
continue;
}
dat3d( nrow, 0 ) = x;
dat3d( nrow, 1 ) = y;
dat3d( nrow, 2 ) = (double)i; /* added scg 12/21/00 - went from dat2d to dat3d */
/* need to keep track of actual location in data array for labels, sizefield, etc.. */
nrow++;
}
/* if clustering and not using a label field, sort PLV array */
if( cluster && lblfield < 0 && sizefield < 0 ) {
if( PLS.debug ) fprintf( PLS.diagfp, "sorting points for scatterplot\n" );
qsort( PLV, nrow, sizeof(double)*3, ptcompare );
}
if( verttext ) Etextdir( 90 );
/* these are used in clustering.. */
oldx = NEGHUGE;
oldy = NEGHUGE;
dupcount = 0;
subdupcount = 0;
maxdups = 0;
strcpy( symcode, "sym6a" );
radius = 0.04;
/* in the following, text must come before symbol.. */
if( text[0] != '\0' || lblfield >= 0 ) {
textdet( "textdetails", textdetails, &align, &adjx, &adjy, -3, "R", 1.0 );
}
if( symbol[0] != '\0' ) {
symdet( "symbol", symbol, symcode, &radius );
}
if( linelen > 0.0 || rectoutline ) {
linedet( "linedetails", linedetails, 0.5 );
}
cx = Ecurtextwidth * 0.3;
cy = Ecurtextheight * 0.3;
hlinelen = linelen * 0.5;
txhi = cy + cy;
if( text[0] != '\0' ) hw = strlen( text ) * Ecurtextwidth * 0.5;
/* now display points.. */
for( irow = 0; irow < nrow; irow++ ) {
x = dat3d( irow, 0 );
y = dat3d( irow, 1 );
realrow = (int)dat3d( irow, 2 ); /* added scg 12/21/00 */
/* in this loop, you MUST USE REALROW, NOT IROW for accessing ancillary data fields!! */
if( cluster ) {
if( GL_close_to( x, oldx, clusterdiff ) && GL_close_to( y, oldy, clusterdiff ) ) {
subdupcount++;
if( subdupcount >= clustevery ) {
dupcount++;
subdupcount = 0;
}
if( dupcount % 2 == 0 ) flop2 = 1;
else flop2 = -1;
if( clustermeth == '2' && dupcount > 37 ) {
maxdups = 37;
dupcount = 0; /* mod */
}
if( clustermeth == 'h' ) x += ((dupcount+1)/2) * clusterfact * 2.0 * flop2;
else if( clustermeth == 'v' ) y += ((dupcount+1)/2) * clusterfact * 2.0 * flop2;
else if( clustermeth == 'u' ) y += dupcount * clusterfact * 2.0; /* 1D upward */
else if( clustermeth == 'r' ) x += dupcount * clusterfact * 2.0; /* 1D rightward */
else if( clustermeth == 'l' ) ; /* legend lookup, no offset */
else if( clustermeth == '2' ) { x += ox[dupcount%38]; y += oy[dupcount%38]; } /* 2-D */
if( clustermeth == 'l' ) { /* if more duplicate points coming, skip.. */
if( irow < nrow-1 ) {
double nextx, nexty;
nextx = dat3d( irow+1, 0 );
nexty = dat3d( irow+1, 1 );
if( GL_close_to( x, nextx, clusterdiff ) &&
GL_close_to( y, nexty, clusterdiff ) ) continue;
}
}
}
else {
if( dupcount > maxdups ) maxdups = dupcount;
oldx = x;
oldy = y;
dupcount = 0;
subdupcount = 0;
}
}
/* allow @field substitutions into url */
if( clickmap_on ) {
do_subst( expurl, mapurl, realrow, URL_ENCODED );
do_subst( explabel, maplabel, realrow, NORMAL );
}
/* render text, mark or line.. */
/* text can be combined with mark if text and symbol both specified */
/* symbol or rectangle.. */
if( symbol[0] != '\0' || dorect || ( text[0] == '\0' && linelen <= 0.0 && lblfield < 0 ) ) {
if( symfield >= 0 ) { /* look it up in legend list.. */
if( symfield_userange ) {
stat = PL_get_legent_rg( atof( da( realrow, symfield ) ), symbol, NULL, NULL );
}
else stat = PL_get_legent( da( realrow, symfield ), symbol, NULL, NULL );
if( stat ) Eerr( 7429, "warning: symfield: no matching legend entry tag found", da( realrow, symfield ) );
if( !dorect ) symdet( "symfield", symbol, symcode, &radius );
}
if( dupsleg ) { /* look it up in legend list.. */
stat = PL_get_legent_rg( (double)dupcount+1, symbol, NULL, NULL );
if( stat ) Eerr( 7692, "warning: dupsleg: no appropriate legend entry tag\n", "" );
if( !dorect ) symdet( "symfield", symbol, symcode, &radius );
/* note: currently all marks will be rendered; the last one will be on "top" */
}
if( sizefield >= 0 )
radius = sqrt((atof( da( realrow, sizefield ) ) * sizescale)/3.1415927);
/* sizefield scales up the AREA of symbol, not the diameter */
if( dorect ) {
char color[ COLORLEN ];
strcpy( color, "" ); /* added scg 9/1/05 - heatmap bug */
if( symfield >=0 || dupsleg ) sscanf( symbol, "%s", color ); /* strip off any trailing space */
Ecblock( x-rectw, y-recth, x+rectw, y+recth, color, rectoutline );
symbol[0] = '\0';
}
else if( vennden > 0.0 ) {
double urad;
for( urad = 0.01; urad < radius; urad += vennden ) Emark( x, y, symcode, urad );
}
else Emark( x, y, symcode, radius );
if( clickmap_on ) {
if( dorect ) clickmap_entry( 'r', expurl, 0, x-rectw, y-recth, x+rectw, y+recth, 0, 0, explabel );
else clickmap_entry( 'r', expurl, 0, x-radius, y-radius, x+radius, y+radius, 0, 0, explabel );
}
}
/* text */
if( text[0] != '\0' ) {
if( symbol[0] != '\0' ) /* set text color etc... */
textdet( "textdetails", textdetails, &align, &adjx, &adjy, -3, "R", 1.0 );
if( sizefield >= 0 ) Etextsize( (int) (atof( da( realrow, sizefield ) ) * sizescale) );
if( verttext ) { ptx = (x+cy)+adjx; pty = y; } /* cy puts midheight of character on point */
else { ptx = x+adjx; pty = (y-cy)+adjy; }
convertnl( text );
Emov( ptx, pty );
if( align == '?' ) Edotext( text, 'C' );
else Edotext( text, align );
if( symbol[0] != '\0' ) /* restore symbol color etc... */
symdet( "symbol", symbol, symcode, &radius );
if( clickmap_on ) clickmap_entry( 'r', expurl, 0, ptx-hw, pty, x+hw, y+txhi, 0, 0, explabel );
}
/* label from data */
else if( lblfield >= 0 ) {
if( sizefield >= 0 ) Etextsize( (int) (atof( da( realrow, sizefield ) ) * sizescale) );
if( verttext) { ptx = (x+cy)+adjx; pty = y+adjy; } /* cy puts midheight of character on point */
else { ptx = x+adjx; pty = (y-cy)+adjy; }
strcpy( labeltxt, labelword );
GL_varsub( labeltxt, "@VAL", da( realrow, lblfield ) );
Emov( ptx, pty );
if( align == '?' ) Edotext( labeltxt, 'C' );
else Edotext( labeltxt, align );
if( clickmap_on ) {
hw = strlen( labeltxt ) * Ecurtextwidth * 0.5;
if( GL_member( align, "C?" ))clickmap_entry( 'r', expurl, 0, ptx-hw, pty, x+hw, y+txhi, 0, 0, explabel );
else if( align == 'L' ) clickmap_entry( 'r', expurl, 0, ptx, pty, x+(hw*2.0), y+txhi, 0, 0, explabel );
else if( align == 'R' ) clickmap_entry( 'r', expurl, 0, ptx-(hw*2.0), pty, x, y+txhi, 0, 0, explabel );
}
}
/* line */ /* (no clickmap support) */ /* no legend support either (?) */
else if( linelen > 0.0 ) {
if( sizefield >= 0 ) hlinelen = linelen * 0.5 * atof( da( realrow, sizefield ) );
/* sizefield acts as a scale factor to linelen */
if( reqlinedir != '\0' ) linedir = reqlinedir;
else if( xfield >= 0 && yfield >= 0 ) linedir = 'h'; /* arbitrary .. scg 5/16/03 */
else if( xfield >= 0 ) linedir = 'v';
else linedir = 'h'; /* scg 3/5/03 */
if( linedir == 'v' ) { Emov( x, y-hlinelen ); Elin( x, y+hlinelen ); }
else if( linedir == 'u' ) { Emov( x, y ); Elin( x, y+(hlinelen*2.0) ); }
else if( linedir == 'r' ) { Emov( x, y ); Elin( x+(hlinelen*2.0), y ); }
else { Emov( x-hlinelen, y ); Elin( x+hlinelen, y ); }
}
}
if( verttext ) Etextdir( 0 );
if( legendlabel[0] != '\0' ) {
char s[40];
sprintf( s, "%d", nrow );
GL_varsub( legendlabel, "@NVALUES", s );
if( linelen <= 0.0 && lblfield < 0 && text[0] == '\0' )
PL_add_legent( LEGEND_SYMBOL, legendlabel, "", symbol, "", "" );
else if( symbol[0] != '\0' && text[0] != '\0' )
PL_add_legent( LEGEND_SYMBOL+LEGEND_TEXT, legendlabel, "", text, textdetails, symbol );
else if( linelen > 0.0 ) {
char dirstr[8];
sprintf( dirstr, "%c", linedir );
PL_add_legent( LEGEND_LINEMARK, legendlabel, "", linedetails, dirstr, "" );
}
}
setintvar( "NVALUES", nrow );
maxdups++;
setintvar( "MAXDUPS", maxdups );
return( 0 );
}
