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 | $this->fill = true; |
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443 | } |
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444 | |
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445 | function SetFill($f=true) { |
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446 | $this->fill = $f; |
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447 | } |
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448 | |
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449 | function SetColor($aColor,$aFillColor=false) { |
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450 | $this->color = $aColor; |
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451 | if( $aFillColor ) { |
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452 | $this->SetFillColor($aFillColor); |
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453 | $this->fill = true; |
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454 | } |
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455 | } |
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456 | |
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457 | // Set href targets for CSIM |
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458 | function SetCSIMTargets($aTargets,$aAlts=null) { |
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459 | $this->csimtargets=$aTargets; |
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460 | $this->csimalts=$aAlts; |
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461 | } |
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462 | |
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463 | // Get all created areas |
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464 | function GetCSIMareas() { |
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465 | return $this->csimareas; |
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466 | } |
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467 | |
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468 | function Stroke($img, $pos, $scale, $startangle) { |
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469 | $nbrpnts = count($this->data); |
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470 | $astep=2*M_PI/$nbrpnts; |
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471 | $a=$startangle; |
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472 | |
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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 | ?> |
---|