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 ); }