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| <?php |
| /*======================================================================= |
| // File: JPGRAPH_RADAR.PHP |
| // Description: Radar plot extension for JpGraph |
| // Created: 2001-02-04 |
| // Ver: $Id: jpgraph_radar.php 1783 2009-08-25 11:41:01Z ljp $ |
| // |
| // Copyright (c) Aditus Consulting. All rights reserved. |
| //======================================================================== |
| */ |
| |
| require_once('jpgraph_plotmark.inc.php'); |
| |
| //=================================================== |
| // CLASS RadarLogTicks |
| // Description: Logarithmic ticks |
| //=================================================== |
| class RadarLogTicks extends Ticks { |
| |
| function __construct() { |
| // Empty |
| } |
| |
| 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 RadarLinear |
| // Description: Linear ticks |
| //=================================================== |
| class RadarLinearTicks extends Ticks { |
| |
| private $minor_step=1, $major_step=2; |
| private $xlabel_offset=0,$xtick_offset=0; |
| |
| function __construct() { |
| // Empty |
| } |
| |
| // Return major step size in world coordinates |
| function GetMajor() { |
| return $this->major_step; |
| } |
| |
| // Return minor step size in world coordinates |
| function GetMinor() { |
| return $this->minor_step; |
| } |
| |
| // Set Minor and Major ticks (in world coordinates) |
| function Set($aMajStep,$aMinStep=false) { |
| if( $aMinStep==false ) { |
| $aMinStep=$aMajStep; |
| } |
| |
| if( $aMajStep <= 0 || $aMinStep <= 0 ) { |
| JpGraphError::RaiseL(25064); |
| //JpGraphError::Raise(" Minor or major step size is 0. Check that you haven't got an accidental SetTextTicks(0) in your code. If this is not the case you might have stumbled upon a bug in JpGraph. Please report this and if possible include the data that caused the problem."); |
| } |
| |
| $this->major_step=$aMajStep; |
| $this->minor_step=$aMinStep; |
| $this->is_set = true; |
| } |
| |
| function Stroke($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); |
| $nbrmaj = round($aScale->world_abs_size/$maj_step_abs); |
| $nbrmin = round($aScale->world_abs_size/$min_step_abs); |
| $skip = round($nbrmin/$nbrmaj); // Don't draw minor on top 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); |
| |
| $aMajPos = array(); |
| $aMajLabel = array(); |
| |
| for($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 AxisPrototype { |
| public $title=null; |
| private $title_color='navy'; |
| private $len=0; |
| |
| function __construct($img,$aScale,$color=array(0,0,0)) { |
| parent::__construct($img,$aScale,$color); |
| $this->len = $img->plotheight; |
| $this->title = new Text(); |
| $this->title->SetFont(FF_FONT1,FS_BOLD); |
| $this->color = array(0,0,0); |
| } |
| |
| // 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); |
| $ncolor=0; |
| if( isset($this->ticks_label_colors) ) { |
| $ncolor=count($this->ticks_label_colors); |
| } |
| |
| // 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) { |
| // Set specific label color if specified |
| if( $ncolor > 0 ) { |
| $this->img->SetColor($this->ticks_label_colors[$i % $ncolor]); |
| } |
| |
| 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); |
| } |
| |
| 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; |
| |
| // Around 3 a'clock |
| if( $aAxisAngle>=7*M_PI/4 || $aAxisAngle <= M_PI/4 ) $dx=-0.15; // Small trimming to make the dist to the axis more even |
| |
| // Around 12 a'clock |
| if( $aAxisAngle>=M_PI/4 && $aAxisAngle <= 3*M_PI/4 ) $dx=($aAxisAngle-M_PI/4)*2/M_PI; |
| |
| // Around 9 a'clock |
| if( $aAxisAngle>=3*M_PI/4 && $aAxisAngle <= 5*M_PI/4 ) $dx=1; |
| |
| // Around 6 a'clock |
| 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/12 ) $dy=(0.5-$aAxisAngle*2/M_PI); |
| if( $aAxisAngle<=M_PI/4 && $aAxisAngle > M_PI/12) $dy=(1-$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 { |
| private $type='solid'; |
| private $grid_color='#DDDDDD'; |
| private $show=false, $weight=1; |
| |
| function __construct() { |
| // Empty |
| } |
| |
| function SetColor($aMajColor) { |
| $this->grid_color = $aMajColor; |
| } |
| |
| function SetWeight($aWeight) { |
| $this->weight=$aWeight; |
| } |
| |
| // Specify if grid should be dashed, dotted or solid |
| function SetLineStyle($aType) { |
| $this->type = $aType; |
| } |
| |
| // Decide if both major and minor grid should be displayed |
| function Show($aShowMajor=true) { |
| $this->show=$aShowMajor; |
| } |
| |
| 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 { |
| public $mark=null; |
| public $legend=''; |
| public $legendcsimtarget=''; |
| public $legendcsimalt=''; |
| public $csimtargets=array(); // Array of targets for CSIM |
| public $csimareas=""; // Resultant CSIM area tags |
| public $csimalts=null; // ALT:s for corresponding target |
| private $data=array(); |
| private $fill=false, $fill_color=array(200,170,180); |
| private $color=array(0,0,0); |
| private $weight=1; |
| private $linestyle='solid'; |
| |
| //--------------- |
| // CONSTRUCTOR |
| function __construct($data) { |
| $this->data = $data; |
| $this->mark = new PlotMark(); |
| } |
| |
| function Min() { |
| return Min($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); |
| $this->fill = true; |
| } |
| } |
| |
| // Set href targets for CSIM |
| function SetCSIMTargets($aTargets,$aAlts=null) { |
| $this->csimtargets=$aTargets; |
| $this->csimalts=$aAlts; |
| } |
| |
| // Get all created areas |
| function GetCSIMareas() { |
| return $this->csimareas; |
| } |
| |
| function Stroke($img, $pos, $scale, $startangle) { |
| $nbrpnts = count($this->data); |
| $astep=2*M_PI/$nbrpnts; |
| $a=$startangle; |
| |
| for($i=0; $i<$nbrpnts; ++$i) { |
| |
| // Rotate each non null point to the correct axis-angle |
| $cs=$scale->RelTranslate($this->data[$i]); |
| $x=round($cs*cos($a)+$scale->scale_abs[0]); |
| $y=round($pos-$cs*sin($a)); |
| |
| $pnts[$i*2]=$x; |
| $pnts[$i*2+1]=$y; |
| |
| // If the next point is null then we draw this polygon segment |
| // to the center, skip the next and draw the next segment from |
| // the center up to the point on the axis with the first non-null |
| // value and continues from that point. Some additoinal logic is necessary |
| // to handle the boundary conditions |
| if( $i < $nbrpnts-1 ) { |
| if( is_null($this->data[$i+1]) ) { |
| $cs = 0; |
| $x=round($cs*cos($a)+$scale->scale_abs[0]); |
| $y=round($pos-$cs*sin($a)); |
| $pnts[$i*2]=$x; |
| $pnts[$i*2+1]=$y; |
| $a += $astep; |
| } |
| } |
| |
| $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) { |
| if( isset($this->csimtargets[$i]) ) { |
| $this->mark->SetCSIMTarget($this->csimtargets[$i]); |
| $this->mark->SetCSIMAlt($this->csimalts[$i]); |
| $this->mark->SetCSIMAltVal($pnts[$i*2], $pnts[$i*2+1]); |
| $this->mark->Stroke($img, $pnts[$i*2], $pnts[$i*2+1]); |
| $this->csimareas .= $this->mark->GetCSIMAreas(); |
| } |
| else { |
| $this->mark->Stroke($img,$pnts[$i*2],$pnts[$i*2+1]); |
| } |
| } |
| } |
| |
| } |
| |
| 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 { |
| public $grid,$axis=null; |
| private $posx,$posy; |
| private $len; |
| private $axis_title=null; |
| |
| function __construct($width=300,$height=200,$cachedName="",$timeout=0,$inline=1) { |
| parent::__construct($width,$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'); |
| $this->SetGridDepth(DEPTH_FRONT); |
| } |
| |
| function HideTickMarks($aFlag=true) { |
| $this->axis->scale->ticks->SupressTickMarks($aFlag); |
| } |
| |
| function ShowMinorTickmarks($aFlag=true) { |
| $this->yscale->ticks->SupressMinorTickMarks(!$aFlag); |
| } |
| |
| function SetScale($axtype,$ymin=1,$ymax=1,$dummy1=null,$dumy2=null) { |
| 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($densy=TICKD_NORMAL,$dummy1=null) { |
| $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) { |
| if( $px >= 0 && $px <= 1 ) { |
| $this->posx = $this->img->width*$px; |
| } |
| else { |
| $this->posx = $px; |
| } |
| if( $py >= 0 && $py <= 1 ) { |
| $this->posy = $this->img->height*$py; |
| } |
| else { |
| $this->posy = $py; |
| } |
| } |
| |
| function SetColor($aColor) { |
| $this->SetMarginColor($aColor); |
| } |
| |
| function SetTitles($aTitleArray) { |
| $this->axis_title = $aTitleArray; |
| } |
| |
| function Add($aPlot) { |
| if( $aPlot == null ) { |
| JpGraphError::RaiseL(25010);//("Graph::Add() You tried to add a null plot to the graph."); |
| } |
| if( is_array($aPlot) && count($aPlot) > 0 ) { |
| $cl = $aPlot[0]; |
| } |
| else { |
| $cl = $aPlot; |
| } |
| |
| if( $cl instanceof Text ) $this->AddText($aPlot); |
| elseif( class_exists('IconPlot',false) && ($cl instanceof IconPlot) ) $this->AddIcon($aPlot); |
| else { |
| $this->plots[] = $aPlot; |
| } |
| } |
| |
| function GetPlotsYMinMax($aPlots) { |
| $min=$aPlots[0]->Min(); |
| $max=$aPlots[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); |
| } |
| |
| function StrokeIcons() { |
| if( $this->iIcons != null ) { |
| $n = count($this->iIcons); |
| for( $i=0; $i < $n; ++$i ) { |
| $this->iIcons[$i]->Stroke($this->img); |
| } |
| } |
| } |
| |
| function StrokeTexts() { |
| if( $this->texts != null ) { |
| $n = count($this->texts); |
| for( $i=0; $i < $n; ++$i ) { |
| $this->texts[$i]->Stroke($this->img); |
| } |
| } |
| } |
| |
| // Stroke the Radar graph |
| function Stroke($aStrokeFileName='') { |
| |
| // If the filename is the predefined value = '_csim_special_' |
| // we assume that the call to stroke only needs to do enough |
| // to correctly generate the CSIM maps. |
| // We use this variable to skip things we don't strictly need |
| // to do to generate the image map to improve performance |
| // a best we can. Therefor you will see a lot of tests !$_csim in the |
| // code below. |
| $_csim = ( $aStrokeFileName === _CSIM_SPECIALFILE ); |
| |
| // We need to know if we have stroked the plot in the |
| // GetCSIMareas. Otherwise the CSIM hasn't been generated |
| // and in the case of GetCSIM called before stroke to generate |
| // CSIM without storing an image to disk GetCSIM must call Stroke. |
| $this->iHasStroked = true; |
| |
| $n = count($this->plots); |
| // Set Y-scale |
| |
| if( !$this->yscale->IsSpecified() && count($this->plots) > 0 ) { |
| list($min,$max) = $this->GetPlotsYMinMax($this->plots); |
| $this->yscale->AutoScale($this->img,0,$max,$this->len/$this->ytick_factor); |
| } |
| elseif( $this->yscale->IsSpecified() && |
| ( $this->yscale->auto_ticks || !$this->yscale->ticks->IsSpecified()) ) { |
| |
| // The tick calculation will use the user suplied min/max values to determine |
| // the ticks. If auto_ticks is false the exact user specifed min and max |
| // values will be used for the scale. |
| // If auto_ticks is true then the scale might be slightly adjusted |
| // so that the min and max values falls on an even major step. |
| $min = $this->yscale->scale[0]; |
| $max = $this->yscale->scale[1]; |
| $this->yscale->AutoScale($this->img,$min,$max, |
| $this->len/$this->ytick_factor, |
| $this->yscale->auto_ticks); |
| } |
| |
| // 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( !$_csim ) { |
| if( $this->background_image != '' ) { |
| $this->StrokeFrameBackground(); |
| } |
| else { |
| $this->StrokeFrame(); |
| $this->StrokeBackgroundGrad(); |
| } |
| } |
| $astep=2*M_PI/$nbrpnts; |
| |
| if( !$_csim ) { |
| if( $this->iIconDepth == DEPTH_BACK ) { |
| $this->StrokeIcons(); |
| } |
| |
| |
| // Prepare legends |
| for($i=0; $i < $n; ++$i) { |
| $this->plots[$i]->Legend($this); |
| } |
| $this->legend->Stroke($this->img); |
| $this->footer->Stroke($this->img); |
| } |
| |
| if( !$_csim ) { |
| 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); |
| } |
| if( $this->iIconDepth == DEPTH_BACK ) { |
| $this->StrokeIcons(); |
| } |
| |
| } |
| |
| // Plot points |
| $a=M_PI/2; |
| for($i=0; $i < $n; ++$i ) { |
| $this->plots[$i]->Stroke($this->img, $this->posy, $this->yscale, $a); |
| } |
| |
| if( !$_csim ) { |
| 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(); |
| $this->StrokeTexts(); |
| if( $this->iIconDepth == DEPTH_FRONT ) { |
| $this->StrokeIcons(); |
| } |
| } |
| |
| // Should we do any final image transformation |
| if( $this->iImgTrans && !$_csim ) { |
| if( !class_exists('ImgTrans',false) ) { |
| 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, |
| $this->iImgTransBorder); |
| } |
| |
| if( !$_csim ) { |
| // 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 */ |
| ?> |