[42] | 1 | <?php |
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| 2 | /*======================================================================= |
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| 3 | // File: JPGRAPH_RADAR.PHP |
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| 4 | // Description: Radar plot extension for JpGraph |
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| 5 | // Created: 2001-02-04 |
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| 6 | // Ver: $Id: jpgraph_radar.php 1783 2009-08-25 11:41:01Z ljp $ |
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| 7 | // |
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| 8 | // Copyright (c) Asial Corporation. All rights reserved. |
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| 9 | //======================================================================== |
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| 10 | */ |
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| 11 | |
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| 12 | require_once('jpgraph_plotmark.inc.php'); |
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| 13 | |
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| 14 | //=================================================== |
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| 15 | // CLASS RadarLogTicks |
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| 16 | // Description: Logarithmic ticks |
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| 17 | //=================================================== |
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| 18 | class RadarLogTicks extends Ticks { |
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| 19 | |
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| 20 | function __construct() { |
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| 21 | // Empty |
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| 22 | } |
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| 23 | |
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| 24 | function Stroke($aImg,&$grid,$aPos,$aAxisAngle,$aScale,&$aMajPos,&$aMajLabel) { |
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| 25 | $start = $aScale->GetMinVal(); |
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| 26 | $limit = $aScale->GetMaxVal(); |
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| 27 | $nextMajor = 10*$start; |
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| 28 | $step = $nextMajor / 10.0; |
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| 29 | $count=1; |
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| 30 | |
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| 31 | $ticklen_maj=5; |
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| 32 | $dx_maj=round(sin($aAxisAngle)*$ticklen_maj); |
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| 33 | $dy_maj=round(cos($aAxisAngle)*$ticklen_maj); |
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| 34 | $ticklen_min=3; |
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| 35 | $dx_min=round(sin($aAxisAngle)*$ticklen_min); |
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| 36 | $dy_min=round(cos($aAxisAngle)*$ticklen_min); |
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| 37 | |
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| 38 | $aMajPos=array(); |
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| 39 | $aMajLabel=array(); |
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| 40 | |
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| 41 | if( $this->supress_first ) { |
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| 42 | $aMajLabel[] = ''; |
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| 43 | } |
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| 44 | else { |
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| 45 | $aMajLabel[]=$start; |
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| 46 | } |
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| 47 | |
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| 48 | $yr=$aScale->RelTranslate($start); |
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| 49 | $xt=round($yr*cos($aAxisAngle))+$aScale->scale_abs[0]; |
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| 50 | $yt=$aPos-round($yr*sin($aAxisAngle)); |
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| 51 | $aMajPos[]=$xt+2*$dx_maj; |
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| 52 | $aMajPos[]=$yt-$aImg->GetFontheight()/2; |
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| 53 | $grid[]=$xt; |
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| 54 | $grid[]=$yt; |
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| 55 | |
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| 56 | $aImg->SetLineWeight($this->weight); |
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| 57 | |
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| 58 | for($y=$start; $y<=$limit; $y+=$step,++$count ) { |
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| 59 | $yr=$aScale->RelTranslate($y); |
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| 60 | $xt=round($yr*cos($aAxisAngle))+$aScale->scale_abs[0]; |
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| 61 | $yt=$aPos-round($yr*sin($aAxisAngle)); |
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| 62 | if( $count % 10 == 0 ) { |
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| 63 | $grid[]=$xt; |
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| 64 | $grid[]=$yt; |
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| 65 | $aMajPos[]=$xt+2*$dx_maj; |
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| 66 | $aMajPos[]=$yt-$aImg->GetFontheight()/2; |
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| 67 | if( !$this->supress_tickmarks ) { |
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| 68 | if( $this->majcolor != '' ) { |
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| 69 | $aImg->PushColor($this->majcolor); |
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| 70 | } |
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| 71 | $aImg->Line($xt+$dx_maj,$yt+$dy_maj,$xt-$dx_maj,$yt-$dy_maj); |
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| 72 | if( $this->majcolor != '' ) { |
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| 73 | $aImg->PopColor(); |
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| 74 | } |
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| 75 | } |
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| 76 | if( $this->label_formfunc != '' ) { |
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| 77 | $f=$this->label_formfunc; |
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| 78 | $l = call_user_func($f,$nextMajor); |
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| 79 | } |
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| 80 | else { |
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| 81 | $l = $nextMajor; |
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| 82 | } |
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| 83 | |
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| 84 | $aMajLabel[]=$l; |
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| 85 | $nextMajor *= 10; |
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| 86 | $step *= 10; |
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| 87 | $count=1; |
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| 88 | } |
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| 89 | else { |
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| 90 | if( !$this->supress_minor_tickmarks ) { |
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| 91 | if( $this->mincolor != '' ) { |
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| 92 | $aImg->PushColor($this->mincolor); |
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| 93 | } |
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| 94 | $aImg->Line($xt+$dx_min,$yt+$dy_min,$xt-$dx_min,$yt-$dy_min); |
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| 95 | if( $this->mincolor != '' ) { |
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| 96 | $aImg->PopColor(); |
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| 97 | } |
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| 98 | } |
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| 99 | } |
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| 100 | } |
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| 101 | } |
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| 102 | } |
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| 103 | |
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| 104 | //=================================================== |
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| 105 | // CLASS RadarLinear |
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| 106 | // Description: Linear ticks |
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| 107 | //=================================================== |
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| 108 | class RadarLinearTicks extends Ticks { |
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| 109 | |
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| 110 | private $minor_step=1, $major_step=2; |
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| 111 | private $xlabel_offset=0,$xtick_offset=0; |
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| 112 | |
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| 113 | function __construct() { |
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| 114 | // Empty |
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| 115 | } |
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| 116 | |
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| 117 | // Return major step size in world coordinates |
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| 118 | function GetMajor() { |
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| 119 | return $this->major_step; |
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| 120 | } |
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| 121 | |
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| 122 | // Return minor step size in world coordinates |
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| 123 | function GetMinor() { |
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| 124 | return $this->minor_step; |
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| 125 | } |
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| 126 | |
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| 127 | // Set Minor and Major ticks (in world coordinates) |
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| 128 | function Set($aMajStep,$aMinStep=false) { |
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| 129 | if( $aMinStep==false ) { |
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| 130 | $aMinStep=$aMajStep; |
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| 131 | } |
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| 132 | |
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| 133 | if( $aMajStep <= 0 || $aMinStep <= 0 ) { |
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| 134 | JpGraphError::RaiseL(25064); |
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| 135 | //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."); |
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| 136 | } |
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| 137 | |
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| 138 | $this->major_step=$aMajStep; |
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| 139 | $this->minor_step=$aMinStep; |
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| 140 | $this->is_set = true; |
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| 141 | } |
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| 142 | |
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| 143 | function Stroke($aImg,&$grid,$aPos,$aAxisAngle,$aScale,&$aMajPos,&$aMajLabel) { |
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| 144 | // Prepare to draw linear ticks |
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| 145 | $maj_step_abs = abs($aScale->scale_factor*$this->major_step); |
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| 146 | $min_step_abs = abs($aScale->scale_factor*$this->minor_step); |
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| 147 | $nbrmaj = round($aScale->world_abs_size/$maj_step_abs); |
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| 148 | $nbrmin = round($aScale->world_abs_size/$min_step_abs); |
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| 149 | $skip = round($nbrmin/$nbrmaj); // Don't draw minor on top of major |
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| 150 | |
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| 151 | // Draw major ticks |
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| 152 | $ticklen2=$this->major_abs_size; |
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| 153 | $dx=round(sin($aAxisAngle)*$ticklen2); |
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| 154 | $dy=round(cos($aAxisAngle)*$ticklen2); |
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| 155 | $label=$aScale->scale[0]+$this->major_step; |
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| 156 | |
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| 157 | $aImg->SetLineWeight($this->weight); |
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| 158 | |
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| 159 | $aMajPos = array(); |
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| 160 | $aMajLabel = array(); |
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| 161 | |
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| 162 | for($i=1; $i<=$nbrmaj; ++$i) { |
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| 163 | $xt=round($i*$maj_step_abs*cos($aAxisAngle))+$aScale->scale_abs[0]; |
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| 164 | $yt=$aPos-round($i*$maj_step_abs*sin($aAxisAngle)); |
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| 165 | |
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| 166 | if( $this->label_formfunc != '' ) { |
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| 167 | $f=$this->label_formfunc; |
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| 168 | $l = call_user_func($f,$label); |
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| 169 | } |
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| 170 | else { |
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| 171 | $l = $label; |
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| 172 | } |
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| 173 | |
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| 174 | $aMajLabel[]=$l; |
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| 175 | $label += $this->major_step; |
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| 176 | $grid[]=$xt; |
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| 177 | $grid[]=$yt; |
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| 178 | $aMajPos[($i-1)*2]=$xt+2*$dx; |
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| 179 | $aMajPos[($i-1)*2+1]=$yt-$aImg->GetFontheight()/2; |
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| 180 | if( !$this->supress_tickmarks ) { |
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| 181 | if( $this->majcolor != '' ) { |
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| 182 | $aImg->PushColor($this->majcolor); |
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| 183 | } |
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| 184 | $aImg->Line($xt+$dx,$yt+$dy,$xt-$dx,$yt-$dy); |
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| 185 | if( $this->majcolor != '' ) { |
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| 186 | $aImg->PopColor(); |
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| 187 | } |
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| 188 | } |
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| 189 | } |
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| 190 | |
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| 191 | // Draw minor ticks |
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| 192 | $ticklen2=$this->minor_abs_size; |
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| 193 | $dx=round(sin($aAxisAngle)*$ticklen2); |
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| 194 | $dy=round(cos($aAxisAngle)*$ticklen2); |
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| 195 | if( !$this->supress_tickmarks && !$this->supress_minor_tickmarks) { |
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| 196 | if( $this->mincolor != '' ) { |
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| 197 | $aImg->PushColor($this->mincolor); |
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| 198 | } |
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| 199 | for($i=1; $i<=$nbrmin; ++$i) { |
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| 200 | if( ($i % $skip) == 0 ) { |
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| 201 | continue; |
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| 202 | } |
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| 203 | $xt=round($i*$min_step_abs*cos($aAxisAngle))+$aScale->scale_abs[0]; |
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| 204 | $yt=$aPos-round($i*$min_step_abs*sin($aAxisAngle)); |
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| 205 | $aImg->Line($xt+$dx,$yt+$dy,$xt-$dx,$yt-$dy); |
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| 206 | } |
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| 207 | if( $this->mincolor != '' ) { |
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| 208 | $aImg->PopColor(); |
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| 209 | } |
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| 210 | } |
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| 211 | } |
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| 212 | } |
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| 213 | |
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| 214 | |
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| 215 | //=================================================== |
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| 216 | // CLASS RadarAxis |
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| 217 | // Description: Implements axis for the radar graph |
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| 218 | //=================================================== |
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| 219 | class RadarAxis extends AxisPrototype { |
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| 220 | public $title=null; |
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| 221 | private $title_color='navy'; |
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| 222 | private $len=0; |
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| 223 | |
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| 224 | function __construct($img,$aScale,$color=array(0,0,0)) { |
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| 225 | parent::__construct($img,$aScale,$color); |
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| 226 | $this->len = $img->plotheight; |
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| 227 | $this->title = new Text(); |
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| 228 | $this->title->SetFont(FF_FONT1,FS_BOLD); |
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| 229 | $this->color = array(0,0,0); |
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| 230 | } |
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| 231 | |
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| 232 | // Stroke the axis |
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| 233 | // $pos = Vertical position of axis |
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| 234 | // $aAxisAngle = Axis angle |
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| 235 | // $grid = Returns an array with positions used to draw the grid |
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| 236 | // $lf = Label flag, TRUE if the axis should have labels |
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| 237 | function Stroke($pos,$aAxisAngle,&$grid,$title,$lf) { |
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| 238 | $this->img->SetColor($this->color); |
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| 239 | |
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| 240 | // Determine end points for the axis |
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| 241 | $x=round($this->scale->world_abs_size*cos($aAxisAngle)+$this->scale->scale_abs[0]); |
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| 242 | $y=round($pos-$this->scale->world_abs_size*sin($aAxisAngle)); |
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| 243 | |
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| 244 | // Draw axis |
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| 245 | $this->img->SetColor($this->color); |
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| 246 | $this->img->SetLineWeight($this->weight); |
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| 247 | if( !$this->hide ) { |
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| 248 | $this->img->Line($this->scale->scale_abs[0],$pos,$x,$y); |
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| 249 | } |
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| 250 | |
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| 251 | $this->scale->ticks->Stroke($this->img,$grid,$pos,$aAxisAngle,$this->scale,$majpos,$majlabel); |
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| 252 | $ncolor=0; |
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| 253 | if( isset($this->ticks_label_colors) ) { |
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| 254 | $ncolor=count($this->ticks_label_colors); |
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| 255 | } |
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| 256 | |
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| 257 | // Draw labels |
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| 258 | if( $lf && !$this->hide ) { |
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| 259 | $this->img->SetFont($this->font_family,$this->font_style,$this->font_size); |
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| 260 | $this->img->SetTextAlign('left','top'); |
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| 261 | $this->img->SetColor($this->label_color); |
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| 262 | |
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| 263 | // majpos contains (x,y) coordinates for labels |
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| 264 | if( ! $this->hide_labels ) { |
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| 265 | $n = floor(count($majpos)/2); |
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| 266 | for($i=0; $i < $n; ++$i) { |
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| 267 | // Set specific label color if specified |
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| 268 | if( $ncolor > 0 ) { |
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| 269 | $this->img->SetColor($this->ticks_label_colors[$i % $ncolor]); |
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| 270 | } |
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| 271 | |
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| 272 | if( $this->ticks_label != null && isset($this->ticks_label[$i]) ) { |
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| 273 | $this->img->StrokeText($majpos[$i*2],$majpos[$i*2+1],$this->ticks_label[$i]); |
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| 274 | } |
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| 275 | else { |
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| 276 | $this->img->StrokeText($majpos[$i*2],$majpos[$i*2+1],$majlabel[$i]); |
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| 277 | } |
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| 278 | } |
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| 279 | } |
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| 280 | } |
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| 281 | $this->_StrokeAxisTitle($pos,$aAxisAngle,$title); |
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| 282 | } |
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| 283 | |
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| 284 | function _StrokeAxisTitle($pos,$aAxisAngle,$title) { |
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| 285 | $this->title->Set($title); |
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| 286 | $marg=6+$this->title->margin; |
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| 287 | $xt=round(($this->scale->world_abs_size+$marg)*cos($aAxisAngle)+$this->scale->scale_abs[0]); |
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| 288 | $yt=round($pos-($this->scale->world_abs_size+$marg)*sin($aAxisAngle)); |
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| 289 | |
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| 290 | // Position the axis title. |
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| 291 | // dx, dy is the offset from the top left corner of the bounding box that sorrounds the text |
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| 292 | // that intersects with the extension of the corresponding axis. The code looks a little |
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| 293 | // bit messy but this is really the only way of having a reasonable position of the |
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| 294 | // axis titles. |
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| 295 | if( $this->title->iWordwrap > 0 ) { |
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| 296 | $title = wordwrap($title,$this->title->iWordwrap,"\n"); |
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| 297 | } |
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| 298 | |
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| 299 | $h=$this->img->GetTextHeight($title)*1.2; |
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| 300 | $w=$this->img->GetTextWidth($title)*1.2; |
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| 301 | |
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| 302 | while( $aAxisAngle > 2*M_PI ) |
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| 303 | $aAxisAngle -= 2*M_PI; |
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| 304 | |
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| 305 | // Around 3 a'clock |
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| 306 | if( $aAxisAngle>=7*M_PI/4 || $aAxisAngle <= M_PI/4 ) $dx=-0.15; // Small trimming to make the dist to the axis more even |
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| 307 | |
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| 308 | // Around 12 a'clock |
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| 309 | if( $aAxisAngle>=M_PI/4 && $aAxisAngle <= 3*M_PI/4 ) $dx=($aAxisAngle-M_PI/4)*2/M_PI; |
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| 310 | |
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| 311 | // Around 9 a'clock |
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| 312 | if( $aAxisAngle>=3*M_PI/4 && $aAxisAngle <= 5*M_PI/4 ) $dx=1; |
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| 313 | |
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| 314 | // Around 6 a'clock |
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| 315 | if( $aAxisAngle>=5*M_PI/4 && $aAxisAngle <= 7*M_PI/4 ) $dx=(1-($aAxisAngle-M_PI*5/4)*2/M_PI); |
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| 316 | |
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| 317 | if( $aAxisAngle>=7*M_PI/4 ) $dy=(($aAxisAngle-M_PI)-3*M_PI/4)*2/M_PI; |
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| 318 | if( $aAxisAngle<=M_PI/12 ) $dy=(0.5-$aAxisAngle*2/M_PI); |
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| 319 | if( $aAxisAngle<=M_PI/4 && $aAxisAngle > M_PI/12) $dy=(1-$aAxisAngle*2/M_PI); |
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| 320 | if( $aAxisAngle>=M_PI/4 && $aAxisAngle <= 3*M_PI/4 ) $dy=1; |
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| 321 | if( $aAxisAngle>=3*M_PI/4 && $aAxisAngle <= 5*M_PI/4 ) $dy=(1-($aAxisAngle-3*M_PI/4)*2/M_PI); |
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| 322 | if( $aAxisAngle>=5*M_PI/4 && $aAxisAngle <= 7*M_PI/4 ) $dy=0; |
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| 323 | |
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| 324 | if( !$this->hide ) { |
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| 325 | $this->title->Stroke($this->img,$xt-$dx*$w,$yt-$dy*$h,$title); |
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| 326 | } |
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| 327 | } |
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| 328 | |
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| 329 | } // Class |
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| 330 | |
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| 331 | |
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| 332 | //=================================================== |
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| 333 | // CLASS RadarGrid |
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| 334 | // Description: Draws grid for the radar graph |
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| 335 | //=================================================== |
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| 336 | class RadarGrid { //extends Grid { |
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| 337 | private $type='solid'; |
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| 338 | private $grid_color='#DDDDDD'; |
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| 339 | private $show=false, $weight=1; |
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| 340 | |
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| 341 | function __construct() { |
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| 342 | // Empty |
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| 343 | } |
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| 344 | |
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| 345 | function SetColor($aMajColor) { |
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| 346 | $this->grid_color = $aMajColor; |
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| 347 | } |
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| 348 | |
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| 349 | function SetWeight($aWeight) { |
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| 350 | $this->weight=$aWeight; |
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| 351 | } |
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| 352 | |
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| 353 | // Specify if grid should be dashed, dotted or solid |
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| 354 | function SetLineStyle($aType) { |
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| 355 | $this->type = $aType; |
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| 356 | } |
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| 357 | |
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| 358 | // Decide if both major and minor grid should be displayed |
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| 359 | function Show($aShowMajor=true) { |
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| 360 | $this->show=$aShowMajor; |
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| 361 | } |
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| 362 | |
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| 363 | function Stroke($img,$grid) { |
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| 364 | if( !$this->show ) { |
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| 365 | return; |
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| 366 | } |
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| 367 | |
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| 368 | $nbrticks = count($grid[0])/2; |
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| 369 | $nbrpnts = count($grid); |
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| 370 | $img->SetColor($this->grid_color); |
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| 371 | $img->SetLineWeight($this->weight); |
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| 372 | |
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| 373 | for($i=0; $i<$nbrticks; ++$i) { |
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| 374 | for($j=0; $j<$nbrpnts; ++$j) { |
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| 375 | $pnts[$j*2]=$grid[$j][$i*2]; |
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| 376 | $pnts[$j*2+1]=$grid[$j][$i*2+1]; |
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| 377 | } |
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| 378 | for($k=0; $k<$nbrpnts; ++$k ){ |
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| 379 | $l=($k+1)%$nbrpnts; |
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| 380 | if( $this->type == 'solid' ) |
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| 381 | $img->Line($pnts[$k*2],$pnts[$k*2+1],$pnts[$l*2],$pnts[$l*2+1]); |
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| 382 | elseif( $this->type == 'dotted' ) |
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| 383 | $img->DashedLine($pnts[$k*2],$pnts[$k*2+1],$pnts[$l*2],$pnts[$l*2+1],1,6); |
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| 384 | elseif( $this->type == 'dashed' ) |
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| 385 | $img->DashedLine($pnts[$k*2],$pnts[$k*2+1],$pnts[$l*2],$pnts[$l*2+1],2,4); |
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| 386 | elseif( $this->type == 'longdashed' ) |
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| 387 | $img->DashedLine($pnts[$k*2],$pnts[$k*2+1],$pnts[$l*2],$pnts[$l*2+1],8,6); |
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| 388 | } |
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| 389 | $pnts=array(); |
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| 390 | } |
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| 391 | } |
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| 392 | } // Class |
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| 393 | |
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| 394 | |
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| 395 | //=================================================== |
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| 396 | // CLASS RadarPlot |
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| 397 | // Description: Plot a radarplot |
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| 398 | //=================================================== |
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| 399 | class RadarPlot { |
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| 400 | public $mark=null; |
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| 401 | public $legend=''; |
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| 402 | public $legendcsimtarget=''; |
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| 403 | public $legendcsimalt=''; |
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| 404 | public $csimtargets=array(); // Array of targets for CSIM |
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| 405 | public $csimareas=""; // Resultant CSIM area tags |
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| 406 | public $csimalts=null; // ALT:s for corresponding target |
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| 407 | private $data=array(); |
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| 408 | private $fill=false, $fill_color=array(200,170,180); |
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| 409 | private $color=array(0,0,0); |
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| 410 | private $weight=1; |
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| 411 | private $linestyle='solid'; |
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| 412 | |
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| 413 | //--------------- |
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| 414 | // CONSTRUCTOR |
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| 415 | function __construct($data) { |
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| 416 | $this->data = $data; |
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| 417 | $this->mark = new PlotMark(); |
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| 418 | } |
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| 419 | |
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| 420 | function Min() { |
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| 421 | return Min($this->data); |
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| 422 | } |
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| 423 | |
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| 424 | function Max() { |
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| 425 | return Max($this->data); |
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| 426 | } |
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| 427 | |
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| 428 | function SetLegend($legend) { |
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| 429 | $this->legend=$legend; |
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| 430 | } |
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| 431 | |
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| 432 | function SetLineStyle($aStyle) { |
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| 433 | $this->linestyle=$aStyle; |
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| 434 | } |
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| 435 | |
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| 436 | function SetLineWeight($w) { |
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| 437 | $this->weight=$w; |
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| 438 | } |
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| 439 | |
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| 440 | function SetFillColor($aColor) { |
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| 441 | $this->fill_color = $aColor; |
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| 442 | $this->fill = true; |
---|
| 443 | } |
---|
| 444 | |
---|
| 445 | function SetFill($f=true) { |
---|
| 446 | $this->fill = $f; |
---|
| 447 | } |
---|
| 448 | |
---|
| 449 | function SetColor($aColor,$aFillColor=false) { |
---|
| 450 | $this->color = $aColor; |
---|
| 451 | if( $aFillColor ) { |
---|
| 452 | $this->SetFillColor($aFillColor); |
---|
| 453 | $this->fill = true; |
---|
| 454 | } |
---|
| 455 | } |
---|
| 456 | |
---|
| 457 | // Set href targets for CSIM |
---|
| 458 | function SetCSIMTargets($aTargets,$aAlts=null) { |
---|
| 459 | $this->csimtargets=$aTargets; |
---|
| 460 | $this->csimalts=$aAlts; |
---|
| 461 | } |
---|
| 462 | |
---|
| 463 | // Get all created areas |
---|
| 464 | function GetCSIMareas() { |
---|
| 465 | return $this->csimareas; |
---|
| 466 | } |
---|
| 467 | |
---|
| 468 | function Stroke($img, $pos, $scale, $startangle) { |
---|
| 469 | $nbrpnts = count($this->data); |
---|
| 470 | $astep=2*M_PI/$nbrpnts; |
---|
| 471 | $a=$startangle; |
---|
| 472 | |
---|
| 473 | for($i=0; $i<$nbrpnts; ++$i) { |
---|
| 474 | |
---|
| 475 | // Rotate each non null point to the correct axis-angle |
---|
| 476 | $cs=$scale->RelTranslate($this->data[$i]); |
---|
| 477 | $x=round($cs*cos($a)+$scale->scale_abs[0]); |
---|
| 478 | $y=round($pos-$cs*sin($a)); |
---|
| 479 | |
---|
| 480 | $pnts[$i*2]=$x; |
---|
| 481 | $pnts[$i*2+1]=$y; |
---|
| 482 | |
---|
| 483 | // If the next point is null then we draw this polygon segment |
---|
| 484 | // to the center, skip the next and draw the next segment from |
---|
| 485 | // the center up to the point on the axis with the first non-null |
---|
| 486 | // value and continues from that point. Some additoinal logic is necessary |
---|
| 487 | // to handle the boundary conditions |
---|
| 488 | if( $i < $nbrpnts-1 ) { |
---|
| 489 | if( is_null($this->data[$i+1]) ) { |
---|
| 490 | $cs = 0; |
---|
| 491 | $x=round($cs*cos($a)+$scale->scale_abs[0]); |
---|
| 492 | $y=round($pos-$cs*sin($a)); |
---|
| 493 | $pnts[$i*2]=$x; |
---|
| 494 | $pnts[$i*2+1]=$y; |
---|
| 495 | $a += $astep; |
---|
| 496 | } |
---|
| 497 | } |
---|
| 498 | |
---|
| 499 | $a += $astep; |
---|
| 500 | } |
---|
| 501 | |
---|
| 502 | if( $this->fill ) { |
---|
| 503 | $img->SetColor($this->fill_color); |
---|
| 504 | $img->FilledPolygon($pnts); |
---|
| 505 | } |
---|
| 506 | |
---|
| 507 | $img->SetLineWeight($this->weight); |
---|
| 508 | $img->SetColor($this->color); |
---|
| 509 | $img->SetLineStyle($this->linestyle); |
---|
| 510 | $pnts[] = $pnts[0]; |
---|
| 511 | $pnts[] = $pnts[1]; |
---|
| 512 | $img->Polygon($pnts); |
---|
| 513 | $img->SetLineStyle('solid'); // Reset line style to default |
---|
| 514 | |
---|
| 515 | // Add plotmarks on top |
---|
| 516 | if( $this->mark->show ) { |
---|
| 517 | for($i=0; $i < $nbrpnts; ++$i) { |
---|
| 518 | if( isset($this->csimtargets[$i]) ) { |
---|
| 519 | $this->mark->SetCSIMTarget($this->csimtargets[$i]); |
---|
| 520 | $this->mark->SetCSIMAlt($this->csimalts[$i]); |
---|
| 521 | $this->mark->SetCSIMAltVal($pnts[$i*2], $pnts[$i*2+1]); |
---|
| 522 | $this->mark->Stroke($img, $pnts[$i*2], $pnts[$i*2+1]); |
---|
| 523 | $this->csimareas .= $this->mark->GetCSIMAreas(); |
---|
| 524 | } |
---|
| 525 | else { |
---|
| 526 | $this->mark->Stroke($img,$pnts[$i*2],$pnts[$i*2+1]); |
---|
| 527 | } |
---|
| 528 | } |
---|
| 529 | } |
---|
| 530 | |
---|
| 531 | } |
---|
| 532 | |
---|
| 533 | function GetCount() { |
---|
| 534 | return count($this->data); |
---|
| 535 | } |
---|
| 536 | |
---|
| 537 | function Legend($graph) { |
---|
| 538 | if( $this->legend == '' ) { |
---|
| 539 | return; |
---|
| 540 | } |
---|
| 541 | if( $this->fill ) { |
---|
| 542 | $graph->legend->Add($this->legend,$this->fill_color,$this->mark); |
---|
| 543 | } else { |
---|
| 544 | $graph->legend->Add($this->legend,$this->color,$this->mark); |
---|
| 545 | } |
---|
| 546 | } |
---|
| 547 | |
---|
| 548 | } // Class |
---|
| 549 | |
---|
| 550 | //=================================================== |
---|
| 551 | // CLASS RadarGraph |
---|
| 552 | // Description: Main container for a radar graph |
---|
| 553 | //=================================================== |
---|
| 554 | class RadarGraph extends Graph { |
---|
| 555 | public $grid,$axis=null; |
---|
| 556 | private $posx,$posy; |
---|
| 557 | private $len; |
---|
| 558 | private $axis_title=null; |
---|
| 559 | |
---|
| 560 | function __construct($width=300,$height=200,$cachedName="",$timeout=0,$inline=1) { |
---|
| 561 | parent::__construct($width,$height,$cachedName,$timeout,$inline); |
---|
| 562 | $this->posx = $width/2; |
---|
| 563 | $this->posy = $height/2; |
---|
| 564 | $this->len = min($width,$height)*0.35; |
---|
| 565 | $this->SetColor(array(255,255,255)); |
---|
| 566 | $this->SetTickDensity(TICKD_NORMAL); |
---|
| 567 | $this->SetScale('lin'); |
---|
| 568 | $this->SetGridDepth(DEPTH_FRONT); |
---|
| 569 | } |
---|
| 570 | |
---|
| 571 | function HideTickMarks($aFlag=true) { |
---|
| 572 | $this->axis->scale->ticks->SupressTickMarks($aFlag); |
---|
| 573 | } |
---|
| 574 | |
---|
| 575 | function ShowMinorTickmarks($aFlag=true) { |
---|
| 576 | $this->yscale->ticks->SupressMinorTickMarks(!$aFlag); |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | function SetScale($axtype,$ymin=1,$ymax=1,$dummy1=null,$dumy2=null) { |
---|
| 580 | if( $axtype != 'lin' && $axtype != 'log' ) { |
---|
| 581 | JpGraphError::RaiseL(18003,$axtype); |
---|
| 582 | //("Illegal scale for radarplot ($axtype). Must be \"lin\" or \"log\""); |
---|
| 583 | } |
---|
| 584 | if( $axtype == 'lin' ) { |
---|
| 585 | $this->yscale = new LinearScale($ymin,$ymax); |
---|
| 586 | $this->yscale->ticks = new RadarLinearTicks(); |
---|
| 587 | $this->yscale->ticks->SupressMinorTickMarks(); |
---|
| 588 | } |
---|
| 589 | elseif( $axtype == 'log' ) { |
---|
| 590 | $this->yscale = new LogScale($ymin,$ymax); |
---|
| 591 | $this->yscale->ticks = new RadarLogTicks(); |
---|
| 592 | } |
---|
| 593 | |
---|
| 594 | $this->axis = new RadarAxis($this->img,$this->yscale); |
---|
| 595 | $this->grid = new RadarGrid(); |
---|
| 596 | } |
---|
| 597 | |
---|
| 598 | function SetSize($aSize) { |
---|
| 599 | if( $aSize < 0.1 || $aSize>1 ) { |
---|
| 600 | JpGraphError::RaiseL(18004,$aSize); |
---|
| 601 | //("Radar Plot size must be between 0.1 and 1. (Your value=$s)"); |
---|
| 602 | } |
---|
| 603 | $this->len=min($this->img->width,$this->img->height)*$aSize/2; |
---|
| 604 | } |
---|
| 605 | |
---|
| 606 | function SetPlotSize($aSize) { |
---|
| 607 | $this->SetSize($aSize); |
---|
| 608 | } |
---|
| 609 | |
---|
| 610 | function SetTickDensity($densy=TICKD_NORMAL,$dummy1=null) { |
---|
| 611 | $this->ytick_factor=25; |
---|
| 612 | switch( $densy ) { |
---|
| 613 | case TICKD_DENSE: |
---|
| 614 | $this->ytick_factor=12; |
---|
| 615 | break; |
---|
| 616 | case TICKD_NORMAL: |
---|
| 617 | $this->ytick_factor=25; |
---|
| 618 | break; |
---|
| 619 | case TICKD_SPARSE: |
---|
| 620 | $this->ytick_factor=40; |
---|
| 621 | break; |
---|
| 622 | case TICKD_VERYSPARSE: |
---|
| 623 | $this->ytick_factor=70; |
---|
| 624 | break; |
---|
| 625 | default: |
---|
| 626 | JpGraphError::RaiseL(18005,$densy); |
---|
| 627 | //("RadarPlot Unsupported Tick density: $densy"); |
---|
| 628 | } |
---|
| 629 | } |
---|
| 630 | |
---|
| 631 | function SetPos($px,$py=0.5) { |
---|
| 632 | $this->SetCenter($px,$py); |
---|
| 633 | } |
---|
| 634 | |
---|
| 635 | function SetCenter($px,$py=0.5) { |
---|
| 636 | if( $px >= 0 && $px <= 1 ) { |
---|
| 637 | $this->posx = $this->img->width*$px; |
---|
| 638 | } |
---|
| 639 | else { |
---|
| 640 | $this->posx = $px; |
---|
| 641 | } |
---|
| 642 | if( $py >= 0 && $py <= 1 ) { |
---|
| 643 | $this->posy = $this->img->height*$py; |
---|
| 644 | } |
---|
| 645 | else { |
---|
| 646 | $this->posy = $py; |
---|
| 647 | } |
---|
| 648 | } |
---|
| 649 | |
---|
| 650 | function SetColor($aColor) { |
---|
| 651 | $this->SetMarginColor($aColor); |
---|
| 652 | } |
---|
| 653 | |
---|
| 654 | function SetTitles($aTitleArray) { |
---|
| 655 | $this->axis_title = $aTitleArray; |
---|
| 656 | } |
---|
| 657 | |
---|
| 658 | function Add($aPlot) { |
---|
| 659 | if( $aPlot == null ) { |
---|
| 660 | JpGraphError::RaiseL(25010);//("Graph::Add() You tried to add a null plot to the graph."); |
---|
| 661 | } |
---|
| 662 | if( is_array($aPlot) && count($aPlot) > 0 ) { |
---|
| 663 | $cl = $aPlot[0]; |
---|
| 664 | } |
---|
| 665 | else { |
---|
| 666 | $cl = $aPlot; |
---|
| 667 | } |
---|
| 668 | |
---|
| 669 | if( $cl instanceof Text ) $this->AddText($aPlot); |
---|
| 670 | elseif( class_exists('IconPlot',false) && ($cl instanceof IconPlot) ) $this->AddIcon($aPlot); |
---|
| 671 | else { |
---|
| 672 | $this->plots[] = $aPlot; |
---|
| 673 | } |
---|
| 674 | } |
---|
| 675 | |
---|
| 676 | function GetPlotsYMinMax($aPlots) { |
---|
| 677 | $min=$aPlots[0]->Min(); |
---|
| 678 | $max=$aPlots[0]->Max(); |
---|
| 679 | foreach( $this->plots as $p ) { |
---|
| 680 | $max=max($max,$p->Max()); |
---|
| 681 | $min=min($min,$p->Min()); |
---|
| 682 | } |
---|
| 683 | if( $min < 0 ) { |
---|
| 684 | JpGraphError::RaiseL(18006,$min); |
---|
| 685 | //("Minimum data $min (Radar plots should only be used when all data points > 0)"); |
---|
| 686 | } |
---|
| 687 | return array($min,$max); |
---|
| 688 | } |
---|
| 689 | |
---|
| 690 | function StrokeIcons() { |
---|
| 691 | if( $this->iIcons != null ) { |
---|
| 692 | $n = count($this->iIcons); |
---|
| 693 | for( $i=0; $i < $n; ++$i ) { |
---|
| 694 | $this->iIcons[$i]->Stroke($this->img); |
---|
| 695 | } |
---|
| 696 | } |
---|
| 697 | } |
---|
| 698 | |
---|
| 699 | function StrokeTexts() { |
---|
| 700 | if( $this->texts != null ) { |
---|
| 701 | $n = count($this->texts); |
---|
| 702 | for( $i=0; $i < $n; ++$i ) { |
---|
| 703 | $this->texts[$i]->Stroke($this->img); |
---|
| 704 | } |
---|
| 705 | } |
---|
| 706 | } |
---|
| 707 | |
---|
| 708 | // Stroke the Radar graph |
---|
| 709 | function Stroke($aStrokeFileName='') { |
---|
| 710 | |
---|
| 711 | // If the filename is the predefined value = '_csim_special_' |
---|
| 712 | // we assume that the call to stroke only needs to do enough |
---|
| 713 | // to correctly generate the CSIM maps. |
---|
| 714 | // We use this variable to skip things we don't strictly need |
---|
| 715 | // to do to generate the image map to improve performance |
---|
| 716 | // a best we can. Therefor you will see a lot of tests !$_csim in the |
---|
| 717 | // code below. |
---|
| 718 | $_csim = ( $aStrokeFileName === _CSIM_SPECIALFILE ); |
---|
| 719 | |
---|
| 720 | // We need to know if we have stroked the plot in the |
---|
| 721 | // GetCSIMareas. Otherwise the CSIM hasn't been generated |
---|
| 722 | // and in the case of GetCSIM called before stroke to generate |
---|
| 723 | // CSIM without storing an image to disk GetCSIM must call Stroke. |
---|
| 724 | $this->iHasStroked = true; |
---|
| 725 | |
---|
| 726 | $n = count($this->plots); |
---|
| 727 | // Set Y-scale |
---|
| 728 | |
---|
| 729 | if( !$this->yscale->IsSpecified() && count($this->plots) > 0 ) { |
---|
| 730 | list($min,$max) = $this->GetPlotsYMinMax($this->plots); |
---|
| 731 | $this->yscale->AutoScale($this->img,0,$max,$this->len/$this->ytick_factor); |
---|
| 732 | } |
---|
| 733 | elseif( $this->yscale->IsSpecified() && |
---|
| 734 | ( $this->yscale->auto_ticks || !$this->yscale->ticks->IsSpecified()) ) { |
---|
| 735 | |
---|
| 736 | // The tick calculation will use the user suplied min/max values to determine |
---|
| 737 | // the ticks. If auto_ticks is false the exact user specifed min and max |
---|
| 738 | // values will be used for the scale. |
---|
| 739 | // If auto_ticks is true then the scale might be slightly adjusted |
---|
| 740 | // so that the min and max values falls on an even major step. |
---|
| 741 | $min = $this->yscale->scale[0]; |
---|
| 742 | $max = $this->yscale->scale[1]; |
---|
| 743 | $this->yscale->AutoScale($this->img,$min,$max, |
---|
| 744 | $this->len/$this->ytick_factor, |
---|
| 745 | $this->yscale->auto_ticks); |
---|
| 746 | } |
---|
| 747 | |
---|
| 748 | // Set start position end length of scale (in absolute pixels) |
---|
| 749 | $this->yscale->SetConstants($this->posx,$this->len); |
---|
| 750 | |
---|
| 751 | // We need as many axis as there are data points |
---|
| 752 | $nbrpnts=$this->plots[0]->GetCount(); |
---|
| 753 | |
---|
| 754 | // If we have no titles just number the axis 1,2,3,... |
---|
| 755 | if( $this->axis_title==null ) { |
---|
| 756 | for($i=0; $i < $nbrpnts; ++$i ) { |
---|
| 757 | $this->axis_title[$i] = $i+1; |
---|
| 758 | } |
---|
| 759 | } |
---|
| 760 | elseif( count($this->axis_title) < $nbrpnts) { |
---|
| 761 | JpGraphError::RaiseL(18007); |
---|
| 762 | // ("Number of titles does not match number of points in plot."); |
---|
| 763 | } |
---|
| 764 | for( $i=0; $i < $n; ++$i ) { |
---|
| 765 | if( $nbrpnts != $this->plots[$i]->GetCount() ) { |
---|
| 766 | JpGraphError::RaiseL(18008); |
---|
| 767 | //("Each radar plot must have the same number of data points."); |
---|
| 768 | } |
---|
| 769 | } |
---|
| 770 | |
---|
| 771 | if( !$_csim ) { |
---|
| 772 | if( $this->background_image != '' ) { |
---|
| 773 | $this->StrokeFrameBackground(); |
---|
| 774 | } |
---|
| 775 | else { |
---|
| 776 | $this->StrokeFrame(); |
---|
| 777 | $this->StrokeBackgroundGrad(); |
---|
| 778 | } |
---|
| 779 | } |
---|
| 780 | $astep=2*M_PI/$nbrpnts; |
---|
| 781 | |
---|
| 782 | if( !$_csim ) { |
---|
| 783 | if( $this->iIconDepth == DEPTH_BACK ) { |
---|
| 784 | $this->StrokeIcons(); |
---|
| 785 | } |
---|
| 786 | |
---|
| 787 | |
---|
| 788 | // Prepare legends |
---|
| 789 | for($i=0; $i < $n; ++$i) { |
---|
| 790 | $this->plots[$i]->Legend($this); |
---|
| 791 | } |
---|
| 792 | $this->legend->Stroke($this->img); |
---|
| 793 | $this->footer->Stroke($this->img); |
---|
| 794 | } |
---|
| 795 | |
---|
| 796 | if( !$_csim ) { |
---|
| 797 | if( $this->grid_depth == DEPTH_BACK ) { |
---|
| 798 | // Draw axis and grid |
---|
| 799 | for( $i=0,$a=M_PI/2; $i < $nbrpnts; ++$i, $a += $astep ) { |
---|
| 800 | $this->axis->Stroke($this->posy,$a,$grid[$i],$this->axis_title[$i],$i==0); |
---|
| 801 | } |
---|
| 802 | $this->grid->Stroke($this->img,$grid); |
---|
| 803 | } |
---|
| 804 | if( $this->iIconDepth == DEPTH_BACK ) { |
---|
| 805 | $this->StrokeIcons(); |
---|
| 806 | } |
---|
| 807 | |
---|
| 808 | } |
---|
| 809 | |
---|
| 810 | // Plot points |
---|
| 811 | $a=M_PI/2; |
---|
| 812 | for($i=0; $i < $n; ++$i ) { |
---|
| 813 | $this->plots[$i]->Stroke($this->img, $this->posy, $this->yscale, $a); |
---|
| 814 | } |
---|
| 815 | |
---|
| 816 | if( !$_csim ) { |
---|
| 817 | if( $this->grid_depth != DEPTH_BACK ) { |
---|
| 818 | // Draw axis and grid |
---|
| 819 | for( $i=0,$a=M_PI/2; $i < $nbrpnts; ++$i, $a += $astep ) { |
---|
| 820 | $this->axis->Stroke($this->posy,$a,$grid[$i],$this->axis_title[$i],$i==0); |
---|
| 821 | } |
---|
| 822 | $this->grid->Stroke($this->img,$grid); |
---|
| 823 | } |
---|
| 824 | |
---|
| 825 | $this->StrokeTitles(); |
---|
| 826 | $this->StrokeTexts(); |
---|
| 827 | if( $this->iIconDepth == DEPTH_FRONT ) { |
---|
| 828 | $this->StrokeIcons(); |
---|
| 829 | } |
---|
| 830 | } |
---|
| 831 | |
---|
| 832 | // Should we do any final image transformation |
---|
| 833 | if( $this->iImgTrans && !$_csim ) { |
---|
| 834 | if( !class_exists('ImgTrans',false) ) { |
---|
| 835 | require_once('jpgraph_imgtrans.php'); |
---|
| 836 | } |
---|
| 837 | |
---|
| 838 | $tform = new ImgTrans($this->img->img); |
---|
| 839 | $this->img->img = $tform->Skew3D($this->iImgTransHorizon,$this->iImgTransSkewDist, |
---|
| 840 | $this->iImgTransDirection,$this->iImgTransHighQ, |
---|
| 841 | $this->iImgTransMinSize,$this->iImgTransFillColor, |
---|
| 842 | $this->iImgTransBorder); |
---|
| 843 | } |
---|
| 844 | |
---|
| 845 | if( !$_csim ) { |
---|
| 846 | // If the filename is given as the special "__handle" |
---|
| 847 | // then the image handler is returned and the image is NOT |
---|
| 848 | // streamed back |
---|
| 849 | if( $aStrokeFileName == _IMG_HANDLER ) { |
---|
| 850 | return $this->img->img; |
---|
| 851 | } |
---|
| 852 | else { |
---|
| 853 | // Finally stream the generated picture |
---|
| 854 | $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,$aStrokeFileName); |
---|
| 855 | } |
---|
| 856 | } |
---|
| 857 | } |
---|
| 858 | } // Class |
---|
| 859 | |
---|
| 860 | /* EOF */ |
---|
| 861 | ?> |
---|