647 lines
No EOL
19 KiB
PHP
Executable file
647 lines
No EOL
19 KiB
PHP
Executable file
<?php
|
|
/*=======================================================================
|
|
// File: JPGRAPH_RADAR.PHP
|
|
// Description: Radar plot extension for JpGraph
|
|
// Created: 2001-02-04
|
|
// Author: Johan Persson (johanp@aditus.nu)
|
|
// Ver: $Id: jpgraph_radar.php,v 1.1 2006/07/07 13:37:14 powles Exp $
|
|
//
|
|
// Copyright (c) Aditus Consulting. All rights reserved.
|
|
//========================================================================
|
|
*/
|
|
|
|
require_once('jpgraph_plotmark.inc');
|
|
|
|
class RadarLogTicks extends Ticks {
|
|
//---------------
|
|
// CONSTRUCTOR
|
|
function RadarLogTicks() {
|
|
}
|
|
//---------------
|
|
// PUBLIC METHODS
|
|
|
|
// TODO: Add Argument grid
|
|
function Stroke(&$aImg,&$grid,$aPos,$aAxisAngle,&$aScale,&$aMajPos,&$aMajLabel) {
|
|
$start = $aScale->GetMinVal();
|
|
$limit = $aScale->GetMaxVal();
|
|
$nextMajor = 10*$start;
|
|
$step = $nextMajor / 10.0;
|
|
$count=1;
|
|
|
|
$ticklen_maj=5;
|
|
$dx_maj=round(sin($aAxisAngle)*$ticklen_maj);
|
|
$dy_maj=round(cos($aAxisAngle)*$ticklen_maj);
|
|
$ticklen_min=3;
|
|
$dx_min=round(sin($aAxisAngle)*$ticklen_min);
|
|
$dy_min=round(cos($aAxisAngle)*$ticklen_min);
|
|
|
|
$aMajPos=array();
|
|
$aMajLabel=array();
|
|
|
|
if( $this->supress_first )
|
|
$aMajLabel[]="";
|
|
else
|
|
$aMajLabel[]=$start;
|
|
$yr=$aScale->RelTranslate($start);
|
|
$xt=round($yr*cos($aAxisAngle))+$aScale->scale_abs[0];
|
|
$yt=$aPos-round($yr*sin($aAxisAngle));
|
|
$aMajPos[]=$xt+2*$dx_maj;
|
|
$aMajPos[]=$yt-$aImg->GetFontheight()/2;
|
|
$grid[]=$xt;
|
|
$grid[]=$yt;
|
|
|
|
$aImg->SetLineWeight($this->weight);
|
|
|
|
for($y=$start; $y<=$limit; $y+=$step,++$count ) {
|
|
$yr=$aScale->RelTranslate($y);
|
|
$xt=round($yr*cos($aAxisAngle))+$aScale->scale_abs[0];
|
|
$yt=$aPos-round($yr*sin($aAxisAngle));
|
|
if( $count % 10 == 0 ) {
|
|
$grid[]=$xt;
|
|
$grid[]=$yt;
|
|
$aMajPos[]=$xt+2*$dx_maj;
|
|
$aMajPos[]=$yt-$aImg->GetFontheight()/2;
|
|
if( !$this->supress_tickmarks ) {
|
|
if( $this->majcolor!="" ) $aImg->PushColor($this->majcolor);
|
|
$aImg->Line($xt+$dx_maj,$yt+$dy_maj,$xt-$dx_maj,$yt-$dy_maj);
|
|
if( $this->majcolor!="" ) $aImg->PopColor();
|
|
}
|
|
if( $this->label_formfunc != "" ) {
|
|
$f=$this->label_formfunc;
|
|
$l = call_user_func($f,$nextMajor);
|
|
}
|
|
else
|
|
$l = $nextMajor;
|
|
$aMajLabel[]=$l;
|
|
$nextMajor *= 10;
|
|
$step *= 10;
|
|
$count=1;
|
|
}
|
|
else
|
|
if( !$this->supress_minor_tickmarks ) {
|
|
if( $this->mincolor!="" ) $aImg->PushColor($this->mincolor);
|
|
$aImg->Line($xt+$dx_min,$yt+$dy_min,$xt-$dx_min,$yt-$dy_min);
|
|
if( $this->mincolor!="" ) $aImg->PopColor();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
class RadarLinearTicks extends LinearTicks {
|
|
//---------------
|
|
// CONSTRUCTOR
|
|
function RadarLinearTicks() {
|
|
// Empty
|
|
}
|
|
|
|
//---------------
|
|
// PUBLIC METHODS
|
|
|
|
// TODO: Add argument grid
|
|
function Stroke(&$aImg,&$grid,$aPos,$aAxisAngle,&$aScale,&$aMajPos,&$aMajLabel) {
|
|
// Prepare to draw linear ticks
|
|
$maj_step_abs = abs($aScale->scale_factor*$this->major_step);
|
|
$min_step_abs = abs($aScale->scale_factor*$this->minor_step);
|
|
$nbrmaj = floor(($aScale->world_abs_size)/$maj_step_abs);
|
|
$nbrmin = floor(($aScale->world_abs_size)/$min_step_abs);
|
|
$skip = round($nbrmin/$nbrmaj); // Don't draw minor ontop of major
|
|
|
|
// Draw major ticks
|
|
$ticklen2=$this->major_abs_size;
|
|
$dx=round(sin($aAxisAngle)*$ticklen2);
|
|
$dy=round(cos($aAxisAngle)*$ticklen2);
|
|
$label=$aScale->scale[0]+$this->major_step;
|
|
|
|
$aImg->SetLineWeight($this->weight);
|
|
|
|
for($i=1; $i<=$nbrmaj; ++$i) {
|
|
$xt=round($i*$maj_step_abs*cos($aAxisAngle))+$aScale->scale_abs[0];
|
|
$yt=$aPos-round($i*$maj_step_abs*sin($aAxisAngle));
|
|
|
|
if( $this->label_formfunc != "" ) {
|
|
$f=$this->label_formfunc;
|
|
$l = call_user_func($f,$label);
|
|
}
|
|
else
|
|
$l = $label;
|
|
|
|
$aMajLabel[]=$l;
|
|
$label += $this->major_step;
|
|
$grid[]=$xt;
|
|
$grid[]=$yt;
|
|
$aMajPos[($i-1)*2]=$xt+2*$dx;
|
|
$aMajPos[($i-1)*2+1]=$yt-$aImg->GetFontheight()/2;
|
|
if( !$this->supress_tickmarks ) {
|
|
if( $this->majcolor!="" ) $aImg->PushColor($this->majcolor);
|
|
$aImg->Line($xt+$dx,$yt+$dy,$xt-$dx,$yt-$dy);
|
|
if( $this->majcolor!="" ) $aImg->PopColor();
|
|
}
|
|
}
|
|
|
|
// Draw minor ticks
|
|
$ticklen2=$this->minor_abs_size;
|
|
$dx=round(sin($aAxisAngle)*$ticklen2);
|
|
$dy=round(cos($aAxisAngle)*$ticklen2);
|
|
if( !$this->supress_tickmarks && !$this->supress_minor_tickmarks) {
|
|
if( $this->mincolor!="" ) $aImg->PushColor($this->mincolor);
|
|
for($i=1; $i<=$nbrmin; ++$i) {
|
|
if( ($i % $skip) == 0 ) continue;
|
|
$xt=round($i*$min_step_abs*cos($aAxisAngle))+$aScale->scale_abs[0];
|
|
$yt=$aPos-round($i*$min_step_abs*sin($aAxisAngle));
|
|
$aImg->Line($xt+$dx,$yt+$dy,$xt-$dx,$yt-$dy);
|
|
}
|
|
if( $this->mincolor!="" ) $aImg->PopColor();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//===================================================
|
|
// CLASS RadarAxis
|
|
// Description: Implements axis for the radar graph
|
|
//===================================================
|
|
class RadarAxis extends Axis {
|
|
var $title_color="navy";
|
|
var $title=null;
|
|
//---------------
|
|
// CONSTRUCTOR
|
|
function RadarAxis(&$img,&$aScale,$color=array(0,0,0)) {
|
|
parent::Axis($img,$aScale,$color);
|
|
$this->len=$img->plotheight;
|
|
$this->title = new Text();
|
|
$this->title->SetFont(FF_FONT1,FS_BOLD);
|
|
$this->color = array(0,0,0);
|
|
}
|
|
//---------------
|
|
// PUBLIC METHODS
|
|
function SetTickLabels($l) {
|
|
$this->ticks_label = $l;
|
|
}
|
|
|
|
|
|
// Stroke the axis
|
|
// $pos = Vertical position of axis
|
|
// $aAxisAngle = Axis angle
|
|
// $grid = Returns an array with positions used to draw the grid
|
|
// $lf = Label flag, TRUE if the axis should have labels
|
|
function Stroke($pos,$aAxisAngle,&$grid,$title,$lf) {
|
|
$this->img->SetColor($this->color);
|
|
|
|
// Determine end points for the axis
|
|
$x=round($this->scale->world_abs_size*cos($aAxisAngle)+$this->scale->scale_abs[0]);
|
|
$y=round($pos-$this->scale->world_abs_size*sin($aAxisAngle));
|
|
|
|
// Draw axis
|
|
$this->img->SetColor($this->color);
|
|
$this->img->SetLineWeight($this->weight);
|
|
if( !$this->hide )
|
|
$this->img->Line($this->scale->scale_abs[0],$pos,$x,$y);
|
|
|
|
$this->scale->ticks->Stroke($this->img,$grid,$pos,$aAxisAngle,$this->scale,$majpos,$majlabel);
|
|
|
|
// Draw labels
|
|
if( $lf && !$this->hide ) {
|
|
$this->img->SetFont($this->font_family,$this->font_style,$this->font_size);
|
|
$this->img->SetTextAlign("left","top");
|
|
$this->img->SetColor($this->label_color);
|
|
|
|
// majpos contains (x,y) coordinates for labels
|
|
if( ! $this->hide_labels ) {
|
|
$n = floor(count($majpos)/2);
|
|
for($i=0; $i < $n; ++$i) {
|
|
if( $this->ticks_label != null && isset($this->ticks_label[$i]) )
|
|
$this->img->StrokeText($majpos[$i*2],$majpos[$i*2+1],$this->ticks_label[$i]);
|
|
else
|
|
$this->img->StrokeText($majpos[$i*2],$majpos[$i*2+1],$majlabel[$i]);
|
|
}
|
|
}
|
|
}
|
|
$this->_StrokeAxisTitle($pos,$aAxisAngle,$title);
|
|
}
|
|
//---------------
|
|
// PRIVATE METHODS
|
|
|
|
function _StrokeAxisTitle($pos,$aAxisAngle,$title) {
|
|
$this->title->Set($title);
|
|
$marg=6+$this->title->margin;
|
|
$xt=round(($this->scale->world_abs_size+$marg)*cos($aAxisAngle)+$this->scale->scale_abs[0]);
|
|
$yt=round($pos-($this->scale->world_abs_size+$marg)*sin($aAxisAngle));
|
|
|
|
// Position the axis title.
|
|
// dx, dy is the offset from the top left corner of the bounding box that sorrounds the text
|
|
// that intersects with the extension of the corresponding axis. The code looks a little
|
|
// bit messy but this is really the only way of having a reasonable position of the
|
|
// axis titles.
|
|
if( $this->title->iWordwrap > 0 ) {
|
|
$title = wordwrap($title,$this->title->iWordwrap,"\n");
|
|
}
|
|
|
|
$h=$this->img->GetTextHeight($title)*1.2;
|
|
$w=$this->img->GetTextWidth($title)*1.2;
|
|
while( $aAxisAngle > 2*M_PI ) $aAxisAngle -= 2*M_PI;
|
|
|
|
if( $aAxisAngle>=7*M_PI/4 || $aAxisAngle <= M_PI/4 ) $dx=0;
|
|
if( $aAxisAngle>=M_PI/4 && $aAxisAngle <= 3*M_PI/4 ) $dx=($aAxisAngle-M_PI/4)*2/M_PI;
|
|
if( $aAxisAngle>=3*M_PI/4 && $aAxisAngle <= 5*M_PI/4 ) $dx=1;
|
|
if( $aAxisAngle>=5*M_PI/4 && $aAxisAngle <= 7*M_PI/4 ) $dx=(1-($aAxisAngle-M_PI*5/4)*2/M_PI);
|
|
|
|
if( $aAxisAngle>=7*M_PI/4 ) $dy=(($aAxisAngle-M_PI)-3*M_PI/4)*2/M_PI;
|
|
if( $aAxisAngle<=M_PI/4 ) $dy=(1-$aAxisAngle*2/M_PI);
|
|
if( $aAxisAngle>=M_PI/4 && $aAxisAngle <= 3*M_PI/4 ) $dy=1;
|
|
if( $aAxisAngle>=3*M_PI/4 && $aAxisAngle <= 5*M_PI/4 ) $dy=(1-($aAxisAngle-3*M_PI/4)*2/M_PI);
|
|
if( $aAxisAngle>=5*M_PI/4 && $aAxisAngle <= 7*M_PI/4 ) $dy=0;
|
|
|
|
if( !$this->hide ) {
|
|
$this->title->Stroke($this->img,$xt-$dx*$w,$yt-$dy*$h,$title);
|
|
}
|
|
}
|
|
|
|
|
|
} // Class
|
|
|
|
|
|
//===================================================
|
|
// CLASS RadarGrid
|
|
// Description: Draws grid for the radar graph
|
|
//===================================================
|
|
class RadarGrid extends Grid {
|
|
//------------
|
|
// CONSTRUCTOR
|
|
function RadarGrid() {
|
|
}
|
|
|
|
//----------------
|
|
// PRIVATE METHODS
|
|
function Stroke(&$img,&$grid) {
|
|
if( !$this->show ) return;
|
|
$nbrticks = count($grid[0])/2;
|
|
$nbrpnts = count($grid);
|
|
$img->SetColor($this->grid_color);
|
|
$img->SetLineWeight($this->weight);
|
|
for($i=0; $i<$nbrticks; ++$i) {
|
|
for($j=0; $j<$nbrpnts; ++$j) {
|
|
$pnts[$j*2]=$grid[$j][$i*2];
|
|
$pnts[$j*2+1]=$grid[$j][$i*2+1];
|
|
}
|
|
for($k=0; $k<$nbrpnts; ++$k ){
|
|
$l=($k+1)%$nbrpnts;
|
|
if( $this->type == "solid" )
|
|
$img->Line($pnts[$k*2],$pnts[$k*2+1],$pnts[$l*2],$pnts[$l*2+1]);
|
|
elseif( $this->type == "dotted" )
|
|
$img->DashedLine($pnts[$k*2],$pnts[$k*2+1],$pnts[$l*2],$pnts[$l*2+1],1,6);
|
|
elseif( $this->type == "dashed" )
|
|
$img->DashedLine($pnts[$k*2],$pnts[$k*2+1],$pnts[$l*2],$pnts[$l*2+1],2,4);
|
|
elseif( $this->type == "longdashed" )
|
|
$img->DashedLine($pnts[$k*2],$pnts[$k*2+1],$pnts[$l*2],$pnts[$l*2+1],8,6);
|
|
}
|
|
$pnts=array();
|
|
}
|
|
}
|
|
} // Class
|
|
|
|
|
|
//===================================================
|
|
// CLASS RadarPlot
|
|
// Description: Plot a radarplot
|
|
//===================================================
|
|
class RadarPlot {
|
|
var $data=array();
|
|
var $fill=false, $fill_color=array(200,170,180);
|
|
var $color=array(0,0,0);
|
|
var $legend="";
|
|
var $weight=1;
|
|
var $linestyle='solid';
|
|
var $mark=null;
|
|
//---------------
|
|
// CONSTRUCTOR
|
|
function RadarPlot($data) {
|
|
$this->data = $data;
|
|
$this->mark = new PlotMark();
|
|
}
|
|
|
|
//---------------
|
|
// PUBLIC METHODS
|
|
function Min() {
|
|
return Min($this->data);
|
|
}
|
|
|
|
function Max() {
|
|
return Max($this->data);
|
|
}
|
|
|
|
function SetLegend($legend) {
|
|
$this->legend=$legend;
|
|
}
|
|
|
|
function SetLineStyle($aStyle) {
|
|
$this->linestyle=$aStyle;
|
|
}
|
|
|
|
function SetLineWeight($w) {
|
|
$this->weight=$w;
|
|
}
|
|
|
|
function SetFillColor($aColor) {
|
|
$this->fill_color = $aColor;
|
|
$this->fill = true;
|
|
}
|
|
|
|
function SetFill($f=true) {
|
|
$this->fill = $f;
|
|
}
|
|
|
|
function SetColor($aColor,$aFillColor=false) {
|
|
$this->color = $aColor;
|
|
if( $aFillColor ) {
|
|
$this->SetFillColor($aFillColor);
|
|
$this->fill = true;
|
|
}
|
|
}
|
|
|
|
function GetCSIMareas() {
|
|
JpGraphError::RaiseL(18001);
|
|
//("Client side image maps not supported for RadarPlots.");
|
|
}
|
|
|
|
function Stroke(&$img, $pos, &$scale, $startangle) {
|
|
$nbrpnts = count($this->data);
|
|
$astep=2*M_PI/$nbrpnts;
|
|
$a=$startangle;
|
|
|
|
// Rotate each point to the correct axis-angle
|
|
// TODO: Update for LogScale
|
|
for($i=0; $i<$nbrpnts; ++$i) {
|
|
//$c=$this->data[$i];
|
|
$cs=$scale->RelTranslate($this->data[$i]);
|
|
$x=round($cs*cos($a)+$scale->scale_abs[0]);
|
|
$y=round($pos-$cs*sin($a));
|
|
/*
|
|
$c=log10($c);
|
|
$x=round(($c-$scale->scale[0])*$scale->scale_factor*cos($a)+$scale->scale_abs[0]);
|
|
$y=round($pos-($c-$scale->scale[0])*$scale->scale_factor*sin($a));
|
|
*/
|
|
$pnts[$i*2]=$x;
|
|
$pnts[$i*2+1]=$y;
|
|
$a += $astep;
|
|
}
|
|
if( $this->fill ) {
|
|
$img->SetColor($this->fill_color);
|
|
$img->FilledPolygon($pnts);
|
|
}
|
|
$img->SetLineWeight($this->weight);
|
|
$img->SetColor($this->color);
|
|
$img->SetLineStyle($this->linestyle);
|
|
$pnts[]=$pnts[0];
|
|
$pnts[]=$pnts[1];
|
|
$img->Polygon($pnts);
|
|
$img->SetLineStyle('solid'); // Reset line style to default
|
|
// Add plotmarks on top
|
|
if( $this->mark->show ) {
|
|
for($i=0; $i < $nbrpnts; ++$i) {
|
|
$this->mark->Stroke($img,$pnts[$i*2],$pnts[$i*2+1]);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
//---------------
|
|
// PRIVATE METHODS
|
|
function GetCount() {
|
|
return count($this->data);
|
|
}
|
|
|
|
function Legend(&$graph) {
|
|
if( $this->legend=="" ) return;
|
|
if( $this->fill )
|
|
$graph->legend->Add($this->legend,$this->fill_color,$this->mark);
|
|
else
|
|
$graph->legend->Add($this->legend,$this->color,$this->mark);
|
|
}
|
|
|
|
} // Class
|
|
|
|
//===================================================
|
|
// CLASS RadarGraph
|
|
// Description: Main container for a radar graph
|
|
//===================================================
|
|
class RadarGraph extends Graph {
|
|
var $posx;
|
|
var $posy;
|
|
var $len;
|
|
var $plots=null, $axis_title=null;
|
|
var $grid,$axis=null;
|
|
//---------------
|
|
// CONSTRUCTOR
|
|
function RadarGraph($width=300,$height=200,$cachedName="",$timeout=0,$inline=1) {
|
|
$this->Graph($width,$height,$cachedName,$timeout,$inline);
|
|
$this->posx=$width/2;
|
|
$this->posy=$height/2;
|
|
$this->len=min($width,$height)*0.35;
|
|
$this->SetColor(array(255,255,255));
|
|
$this->SetTickDensity(TICKD_NORMAL);
|
|
$this->SetScale("lin");
|
|
$this->SetGridDepth(DEPTH_FRONT);
|
|
|
|
}
|
|
|
|
//---------------
|
|
// PUBLIC METHODS
|
|
function SupressTickMarks($f=true) {
|
|
if( ERR_DEPRECATED )
|
|
JpGraphError::RaiseL(18002);
|
|
//('RadarGraph::SupressTickMarks() is deprecated. Use HideTickMarks() instead.');
|
|
$this->axis->scale->ticks->SupressTickMarks($f);
|
|
}
|
|
|
|
function HideTickMarks($aFlag=true) {
|
|
$this->axis->scale->ticks->SupressTickMarks($aFlag);
|
|
}
|
|
|
|
function ShowMinorTickmarks($aFlag=true) {
|
|
$this->yscale->ticks->SupressMinorTickMarks(!$aFlag);
|
|
}
|
|
|
|
function SetScale($axtype,$ymin=1,$ymax=1) {
|
|
if( $axtype != "lin" && $axtype != "log" ) {
|
|
JpGraphError::RaiseL(18003,$axtype);
|
|
//("Illegal scale for radarplot ($axtype). Must be \"lin\" or \"log\"");
|
|
}
|
|
if( $axtype=="lin" ) {
|
|
$this->yscale = & new LinearScale($ymin,$ymax);
|
|
$this->yscale->ticks = & new RadarLinearTicks();
|
|
$this->yscale->ticks->SupressMinorTickMarks();
|
|
}
|
|
elseif( $axtype=="log" ) {
|
|
$this->yscale = & new LogScale($ymin,$ymax);
|
|
$this->yscale->ticks = & new RadarLogTicks();
|
|
}
|
|
|
|
$this->axis = & new RadarAxis($this->img,$this->yscale);
|
|
$this->grid = & new RadarGrid();
|
|
}
|
|
|
|
function SetSize($aSize) {
|
|
if( $aSize < 0.1 || $aSize>1 )
|
|
JpGraphError::RaiseL(18004,$aSize);
|
|
//("Radar Plot size must be between 0.1 and 1. (Your value=$s)");
|
|
$this->len=min($this->img->width,$this->img->height)*$aSize/2;
|
|
}
|
|
|
|
function SetPlotSize($aSize) {
|
|
$this->SetSize($aSize);
|
|
}
|
|
|
|
function SetTickDensity($densy=TICKD_NORMAL) {
|
|
$this->ytick_factor=25;
|
|
switch( $densy ) {
|
|
case TICKD_DENSE:
|
|
$this->ytick_factor=12;
|
|
break;
|
|
case TICKD_NORMAL:
|
|
$this->ytick_factor=25;
|
|
break;
|
|
case TICKD_SPARSE:
|
|
$this->ytick_factor=40;
|
|
break;
|
|
case TICKD_VERYSPARSE:
|
|
$this->ytick_factor=70;
|
|
break;
|
|
default:
|
|
JpGraphError::RaiseL(18005,$densy);
|
|
//("RadarPlot Unsupported Tick density: $densy");
|
|
}
|
|
}
|
|
|
|
function SetPos($px,$py=0.5) {
|
|
$this->SetCenter($px,$py);
|
|
}
|
|
|
|
function SetCenter($px,$py=0.5) {
|
|
assert($px > 0 && $py > 0 );
|
|
$this->posx=$this->img->width*$px;
|
|
$this->posy=$this->img->height*$py;
|
|
}
|
|
|
|
function SetColor($c) {
|
|
$this->SetMarginColor($c);
|
|
}
|
|
|
|
function SetTitles($title) {
|
|
$this->axis_title = $title;
|
|
}
|
|
|
|
function Add(&$splot) {
|
|
$this->plots[]=$splot;
|
|
}
|
|
|
|
function GetPlotsYMinMax() {
|
|
$min=$this->plots[0]->Min();
|
|
$max=$this->plots[0]->Max();
|
|
foreach( $this->plots as $p ) {
|
|
$max=max($max,$p->Max());
|
|
$min=min($min,$p->Min());
|
|
}
|
|
if( $min < 0 )
|
|
JpGraphError::RaiseL(18006,$min);
|
|
//("Minimum data $min (Radar plots should only be used when all data points > 0)");
|
|
return array($min,$max);
|
|
}
|
|
|
|
// Stroke the Radar graph
|
|
function Stroke($aStrokeFileName="") {
|
|
$n = count($this->plots);
|
|
// Set Y-scale
|
|
if( !$this->yscale->IsSpecified() && count($this->plots)>0 ) {
|
|
list($min,$max) = $this->GetPlotsYMinMax();
|
|
$this->yscale->AutoScale($this->img,0,$max,$this->len/$this->ytick_factor);
|
|
}
|
|
// Set start position end length of scale (in absolute pixels)
|
|
$this->yscale->SetConstants($this->posx,$this->len);
|
|
|
|
// We need as many axis as there are data points
|
|
$nbrpnts=$this->plots[0]->GetCount();
|
|
|
|
// If we have no titles just number the axis 1,2,3,...
|
|
if( $this->axis_title==null ) {
|
|
for($i=0; $i < $nbrpnts; ++$i )
|
|
$this->axis_title[$i] = $i+1;
|
|
}
|
|
elseif(count($this->axis_title)<$nbrpnts)
|
|
JpGraphError::RaiseL(18007);
|
|
//("Number of titles does not match number of points in plot.");
|
|
for($i=0; $i < $n; ++$i )
|
|
if( $nbrpnts != $this->plots[$i]->GetCount() )
|
|
JpGraphError::RaiseL(18008);
|
|
//("Each radar plot must have the same number of data points.");
|
|
|
|
if( $this->background_image != "" ) {
|
|
$this->StrokeFrameBackground();
|
|
}
|
|
else {
|
|
$this->StrokeFrame();
|
|
}
|
|
$astep=2*M_PI/$nbrpnts;
|
|
|
|
// Prepare legends
|
|
for($i=0; $i < $n; ++$i)
|
|
$this->plots[$i]->Legend($this);
|
|
$this->legend->Stroke($this->img);
|
|
$this->footer->Stroke($this->img);
|
|
|
|
if( $this->grid_depth == DEPTH_BACK ) {
|
|
// Draw axis and grid
|
|
for( $i=0,$a=M_PI/2; $i < $nbrpnts; ++$i, $a += $astep ) {
|
|
$this->axis->Stroke($this->posy,$a,$grid[$i],$this->axis_title[$i],$i==0);
|
|
}
|
|
}
|
|
|
|
// Plot points
|
|
$a=M_PI/2;
|
|
for($i=0; $i < $n; ++$i )
|
|
$this->plots[$i]->Stroke($this->img, $this->posy, $this->yscale, $a);
|
|
|
|
if( $this->grid_depth != DEPTH_BACK ) {
|
|
// Draw axis and grid
|
|
for( $i=0,$a=M_PI/2; $i < $nbrpnts; ++$i, $a += $astep ) {
|
|
$this->axis->Stroke($this->posy,$a,$grid[$i],$this->axis_title[$i],$i==0);
|
|
}
|
|
}
|
|
$this->grid->Stroke($this->img,$grid);
|
|
$this->StrokeTitles();
|
|
|
|
// Stroke texts
|
|
if( $this->texts != null ) {
|
|
foreach( $this->texts as $t)
|
|
$t->Stroke($this->img);
|
|
}
|
|
|
|
// Should we do any final image transformation
|
|
if( $this->iImgTrans ) {
|
|
if( !class_exists('ImgTrans') ) {
|
|
require_once('jpgraph_imgtrans.php');
|
|
}
|
|
|
|
$tform = new ImgTrans($this->img->img);
|
|
$this->img->img = $tform->Skew3D($this->iImgTransHorizon,$this->iImgTransSkewDist,
|
|
$this->iImgTransDirection,$this->iImgTransHighQ,
|
|
$this->iImgTransMinSize,$this->iImgTransFillColor,
|
|
$this->iImgTransBorder);
|
|
}
|
|
|
|
// If the filename is given as the special "__handle"
|
|
// then the image handler is returned and the image is NOT
|
|
// streamed back
|
|
if( $aStrokeFileName == _IMG_HANDLER ) {
|
|
return $this->img->img;
|
|
}
|
|
else {
|
|
// Finally stream the generated picture
|
|
$this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,
|
|
$aStrokeFileName);
|
|
}
|
|
}
|
|
} // Class
|
|
|
|
/* EOF */
|
|
?>
|