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Diffstat (limited to 'html/jpgraph/jpgraph_polar.php')
| -rw-r--r-- | html/jpgraph/jpgraph_polar.php | 897 |
1 files changed, 0 insertions, 897 deletions
diff --git a/html/jpgraph/jpgraph_polar.php b/html/jpgraph/jpgraph_polar.php deleted file mode 100644 index 62c6bbc..0000000 --- a/html/jpgraph/jpgraph_polar.php +++ /dev/null @@ -1,897 +0,0 @@ -<?php -/*======================================================================= - // File: JPGRAPH_POLAR.PHP - // Description: Polar plot extension for JpGraph - // Created: 2003-02-02 - // Ver: $Id: jpgraph_polar.php 1796 2009-09-07 09:37:19Z ljp $ - // - // Copyright (c) Asial Corporation. All rights reserved. - //======================================================================== - */ - -require_once ('jpgraph_plotmark.inc.php'); -require_once "jpgraph_log.php"; - - -define('POLAR_360',1); -define('POLAR_180',2); - -// -// Note. Don't attempt to make sense of this code. -// In order not to have to be able to inherit the scaling code -// from the main graph package we have had to make some "tricks" since -// the original scaling and axis was not designed to do what is -// required here. -// There were two option. 1: Re-implement everything and get a clean design -// and 2: do some "small" trickery and be able to inherit most of -// the functionlity from the main graph package. -// We choose 2: here in order to save some time. -// - -//-------------------------------------------------------------------------- -// class PolarPlot -//-------------------------------------------------------------------------- -class PolarPlot { - public $line_style='solid',$mark; - public $legendcsimtarget=''; - public $legendcsimalt=''; - public $legend=""; - public $csimtargets=array(); // Array of targets for CSIM - public $csimareas=""; // Resultant CSIM area tags - public $csimalts=null; // ALT:s for corresponding target - public $scale=null; - private $numpoints=0; - private $iColor='navy',$iFillColor=''; - private $iLineWeight=1; - private $coord=null; - - function __construct($aData) { - $n = count($aData); - if( $n & 1 ) { - JpGraphError::RaiseL(17001); - //('Polar plots must have an even number of data point. Each data point is a tuple (angle,radius).'); - } - $this->numpoints = $n/2; - $this->coord = $aData; - $this->mark = new PlotMark(); - } - - function SetWeight($aWeight) { - $this->iLineWeight = $aWeight; - } - - function SetColor($aColor){ - $this->iColor = $aColor; - } - - function SetFillColor($aColor){ - $this->iFillColor = $aColor; - } - - function Max() { - $m = $this->coord[1]; - $i=1; - while( $i < $this->numpoints ) { - $m = max($m,$this->coord[2*$i+1]); - ++$i; - } - return $m; - } - // Set href targets for CSIM - function SetCSIMTargets($aTargets,$aAlts=null) { - $this->csimtargets=$aTargets; - $this->csimalts=$aAlts; - } - - // Get all created areas - function GetCSIMareas() { - return $this->csimareas; - } - - function SetLegend($aLegend,$aCSIM="",$aCSIMAlt="") { - $this->legend = $aLegend; - $this->legendcsimtarget = $aCSIM; - $this->legendcsimalt = $aCSIMAlt; - } - - // Private methods - - function Legend($aGraph) { - $color = $this->iColor ; - if( $this->legend != "" ) { - if( $this->iFillColor!='' ) { - $color = $this->iFillColor; - $aGraph->legend->Add($this->legend,$color,$this->mark,0, - $this->legendcsimtarget,$this->legendcsimalt); - } - else { - $aGraph->legend->Add($this->legend,$color,$this->mark,$this->line_style, - $this->legendcsimtarget,$this->legendcsimalt); - } - } - } - - function Stroke($img,$scale) { - - $i=0; - $p=array(); - $this->csimareas=''; - while($i < $this->numpoints) { - list($x1,$y1) = $scale->PTranslate($this->coord[2*$i],$this->coord[2*$i+1]); - $p[2*$i] = $x1; - $p[2*$i+1] = $y1; - - if( isset($this->csimtargets[$i]) ) { - $this->mark->SetCSIMTarget($this->csimtargets[$i]); - $this->mark->SetCSIMAlt($this->csimalts[$i]); - $this->mark->SetCSIMAltVal($this->coord[2*$i], $this->coord[2*$i+1]); - $this->mark->Stroke($img,$x1,$y1); - $this->csimareas .= $this->mark->GetCSIMAreas(); - } - else { - $this->mark->Stroke($img,$x1,$y1); - } - - ++$i; - } - - if( $this->iFillColor != '' ) { - $img->SetColor($this->iFillColor); - $img->FilledPolygon($p); - } - $img->SetLineWeight($this->iLineWeight); - $img->SetColor($this->iColor); - $img->Polygon($p,$this->iFillColor!=''); - } -} - -//-------------------------------------------------------------------------- -// class PolarAxis -//-------------------------------------------------------------------------- -class PolarAxis extends Axis { - private $angle_step=15,$angle_color='lightgray',$angle_label_color='black'; - private $angle_fontfam=FF_FONT1,$angle_fontstyle=FS_NORMAL,$angle_fontsize=10; - private $angle_fontcolor = 'navy'; - private $gridminor_color='lightgray',$gridmajor_color='lightgray'; - private $show_minor_grid = false, $show_major_grid = true ; - private $show_angle_mark=true, $show_angle_grid=true, $show_angle_label=true; - private $angle_tick_len=3, $angle_tick_len2=3, $angle_tick_color='black'; - private $show_angle_tick=true; - private $radius_tick_color='black'; - - function __construct($img,$aScale) { - parent::__construct($img,$aScale); - } - - function ShowAngleDegreeMark($aFlg=true) { - $this->show_angle_mark = $aFlg; - } - - function SetAngleStep($aStep) { - $this->angle_step=$aStep; - } - - function HideTicks($aFlg=true,$aAngleFlg=true) { - parent::HideTicks($aFlg,$aFlg); - $this->show_angle_tick = !$aAngleFlg; - } - - function ShowAngleLabel($aFlg=true) { - $this->show_angle_label = $aFlg; - } - - function ShowGrid($aMajor=true,$aMinor=false,$aAngle=true) { - $this->show_minor_grid = $aMinor; - $this->show_major_grid = $aMajor; - $this->show_angle_grid = $aAngle ; - } - - function SetAngleFont($aFontFam,$aFontStyle=FS_NORMAL,$aFontSize=10) { - $this->angle_fontfam = $aFontFam; - $this->angle_fontstyle = $aFontStyle; - $this->angle_fontsize = $aFontSize; - } - - function SetColor($aColor,$aRadColor='',$aAngleColor='') { - if( $aAngleColor == '' ) - $aAngleColor=$aColor; - parent::SetColor($aColor,$aRadColor); - $this->angle_fontcolor = $aAngleColor; - } - - function SetGridColor($aMajorColor,$aMinorColor='',$aAngleColor='') { - if( $aMinorColor == '' ) - $aMinorColor = $aMajorColor; - if( $aAngleColor == '' ) - $aAngleColor = $aMajorColor; - - $this->gridminor_color = $aMinorColor; - $this->gridmajor_color = $aMajorColor; - $this->angle_color = $aAngleColor; - } - - function SetTickColors($aRadColor,$aAngleColor='') { - $this->radius_tick_color = $aRadColor; - $this->angle_tick_color = $aAngleColor; - } - - // Private methods - function StrokeGrid($pos) { - $x = round($this->img->left_margin + $this->img->plotwidth/2); - $this->scale->ticks->Stroke($this->img,$this->scale,$pos); - - // Stroke the minor arcs - $pmin = array(); - $p = $this->scale->ticks->ticks_pos; - $n = count($p); - $i = 0; - $this->img->SetColor($this->gridminor_color); - while( $i < $n ) { - $r = $p[$i]-$x+1; - $pmin[]=$r; - if( $this->show_minor_grid ) { - $this->img->Circle($x,$pos,$r); - } - $i++; - } - - $limit = max($this->img->plotwidth,$this->img->plotheight)*1.4 ; - while( $r < $limit ) { - $off = $r; - $i=1; - $r = $off + round($p[$i]-$x+1); - while( $r < $limit && $i < $n ) { - $r = $off+$p[$i]-$x; - $pmin[]=$r; - if( $this->show_minor_grid ) { - $this->img->Circle($x,$pos,$r); - } - $i++; - } - } - - // Stroke the major arcs - if( $this->show_major_grid ) { - // First determine how many minor step on - // every major step. We have recorded the minor radius - // in pmin and use these values. This is done in order - // to avoid rounding errors if we were to recalculate the - // different major radius. - $pmaj = $this->scale->ticks->maj_ticks_pos; - $p = $this->scale->ticks->ticks_pos; - if( $this->scale->name == 'lin' ) { - $step=round(($pmaj[1] - $pmaj[0])/($p[1] - $p[0])); - } - else { - $step=9; - } - $n = round(count($pmin)/$step); - $i = 0; - $this->img->SetColor($this->gridmajor_color); - $limit = max($this->img->plotwidth,$this->img->plotheight)*1.4 ; - $off = $r; - $i=0; - $r = $pmin[$i*$step]; - while( $r < $limit && $i < $n ) { - $r = $pmin[$i*$step]; - $this->img->Circle($x,$pos,$r); - $i++; - } - } - - // Draw angles - if( $this->show_angle_grid ) { - $this->img->SetColor($this->angle_color); - $d = max($this->img->plotheight,$this->img->plotwidth)*1.4 ; - $a = 0; - $p = $this->scale->ticks->ticks_pos; - $start_radius = $p[1]-$x; - while( $a < 360 ) { - if( $a == 90 || $a == 270 ) { - // Make sure there are no rounding problem with - // exactly vertical lines - $this->img->Line($x+$start_radius*cos($a/180*M_PI)+1, - $pos-$start_radius*sin($a/180*M_PI), - $x+$start_radius*cos($a/180*M_PI)+1, - $pos-$d*sin($a/180*M_PI)); - - } - else { - $this->img->Line($x+$start_radius*cos($a/180*M_PI)+1, - $pos-$start_radius*sin($a/180*M_PI), - $x+$d*cos($a/180*M_PI), - $pos-$d*sin($a/180*M_PI)); - } - $a += $this->angle_step; - } - } - } - - function StrokeAngleLabels($pos,$type) { - - if( !$this->show_angle_label ) - return; - - $x0 = round($this->img->left_margin+$this->img->plotwidth/2)+1; - - $d = max($this->img->plotwidth,$this->img->plotheight)*1.42; - $a = $this->angle_step; - $t = new Text(); - $t->SetColor($this->angle_fontcolor); - $t->SetFont($this->angle_fontfam,$this->angle_fontstyle,$this->angle_fontsize); - $xright = $this->img->width - $this->img->right_margin; - $ytop = $this->img->top_margin; - $xleft = $this->img->left_margin; - $ybottom = $this->img->height - $this->img->bottom_margin; - $ha = 'left'; - $va = 'center'; - $w = $this->img->plotwidth/2; - $h = $this->img->plotheight/2; - $xt = $x0; $yt = $pos; - $margin=5; - - $tl = $this->angle_tick_len ; // Outer len - $tl2 = $this->angle_tick_len2 ; // Interior len - - $this->img->SetColor($this->angle_tick_color); - $rot90 = $this->img->a == 90 ; - - if( $type == POLAR_360 ) { - - // Corner angles of the four corners - $ca1 = atan($h/$w)/M_PI*180; - $ca2 = 180-$ca1; - $ca3 = $ca1+180; - $ca4 = 360-$ca1; - $end = 360; - - while( $a < $end ) { - $ca = cos($a/180*M_PI); - $sa = sin($a/180*M_PI); - $x = $d*$ca; - $y = $d*$sa; - $xt=1000;$yt=1000; - if( $a <= $ca1 || $a >= $ca4 ) { - $yt = $pos - $w * $y/$x; - $xt = $xright + $margin; - if( $rot90 ) { - $ha = 'center'; - $va = 'top'; - } - else { - $ha = 'left'; - $va = 'center'; - } - $x1=$xright-$tl2; $x2=$xright+$tl; - $y1=$y2=$yt; - } - elseif( $a > $ca1 && $a < $ca2 ) { - $xt = $x0 + $h * $x/$y; - $yt = $ytop - $margin; - if( $rot90 ) { - $ha = 'left'; - $va = 'center'; - } - else { - $ha = 'center'; - $va = 'bottom'; - } - $y1=$ytop+$tl2;$y2=$ytop-$tl; - $x1=$x2=$xt; - } - elseif( $a >= $ca2 && $a <= $ca3 ) { - $yt = $pos + $w * $y/$x; - $xt = $xleft - $margin; - if( $rot90 ) { - $ha = 'center'; - $va = 'bottom'; - } - else { - $ha = 'right'; - $va = 'center'; - } - $x1=$xleft+$tl2;$x2=$xleft-$tl; - $y1=$y2=$yt; - } - else { - $xt = $x0 - $h * $x/$y; - $yt = $ybottom + $margin; - if( $rot90 ) { - $ha = 'right'; - $va = 'center'; - } - else { - $ha = 'center'; - $va = 'top'; - } - $y1=$ybottom-$tl2;$y2=$ybottom+$tl; - $x1=$x2=$xt; - } - if( $a != 0 && $a != 180 ) { - $t->Align($ha,$va); - if( $this->scale->clockwise ) { - $t->Set(360-$a); - } - else { - $t->Set($a); - } - if( $this->show_angle_mark && $t->font_family > 4 ) { - $a .= SymChar::Get('degree'); - } - $t->Stroke($this->img,$xt,$yt); - if( $this->show_angle_tick ) { - $this->img->Line($x1,$y1,$x2,$y2); - } - } - $a += $this->angle_step; - } - } - else { - // POLAR_HALF - $ca1 = atan($h/$w*2)/M_PI*180; - $ca2 = 180-$ca1; - $end = 180; - while( $a < $end ) { - $ca = cos($a/180*M_PI); - $sa = sin($a/180*M_PI); - $x = $d*$ca; - $y = $d*$sa; - if( $a <= $ca1 ) { - $yt = $pos - $w * $y/$x; - $xt = $xright + $margin; - if( $rot90 ) { - $ha = 'center'; - $va = 'top'; - } - else { - $ha = 'left'; - $va = 'center'; - } - $x1=$xright-$tl2; $x2=$xright+$tl; - $y1=$y2=$yt; - } - elseif( $a > $ca1 && $a < $ca2 ) { - $xt = $x0 + 2*$h * $x/$y; - $yt = $ytop - $margin; - if( $rot90 ) { - $ha = 'left'; - $va = 'center'; - } - else { - $ha = 'center'; - $va = 'bottom'; - } - $y1=$ytop+$tl2;$y2=$ytop-$tl; - $x1=$x2=$xt; - } - elseif( $a >= $ca2 ) { - $yt = $pos + $w * $y/$x; - $xt = $xleft - $margin; - if( $rot90 ) { - $ha = 'center'; - $va = 'bottom'; - } - else { - $ha = 'right'; - $va = 'center'; - } - $x1=$xleft+$tl2;$x2=$xleft-$tl; - $y1=$y2=$yt; - } - $t->Align($ha,$va); - if( $this->show_angle_mark && $t->font_family > 4 ) { - $a .= SymChar::Get('degree'); - } - $t->Set($a); - $t->Stroke($this->img,$xt,$yt); - if( $this->show_angle_tick ) { - $this->img->Line($x1,$y1,$x2,$y2); - } - $a += $this->angle_step; - } - } - } - - function Stroke($pos,$dummy=true) { - - $this->img->SetLineWeight($this->weight); - $this->img->SetColor($this->color); - $this->img->SetFont($this->font_family,$this->font_style,$this->font_size); - if( !$this->hide_line ) { - $this->img->FilledRectangle($this->img->left_margin,$pos, - $this->img->width-$this->img->right_margin, - $pos+$this->weight-1); - } - $y=$pos+$this->img->GetFontHeight()+$this->title_margin+$this->title->margin; - if( $this->title_adjust=="high" ) { - $this->title->SetPos($this->img->width-$this->img->right_margin,$y,"right","top"); - } - elseif( $this->title_adjust=="middle" || $this->title_adjust=="center" ) { - $this->title->SetPos(($this->img->width-$this->img->left_margin-$this->img->right_margin)/2+$this->img->left_margin, - $y,"center","top"); - } - elseif($this->title_adjust=="low") { - $this->title->SetPos($this->img->left_margin,$y,"left","top"); - } - else { - JpGraphError::RaiseL(17002,$this->title_adjust); - //('Unknown alignment specified for X-axis title. ('.$this->title_adjust.')'); - } - - - if (!$this->hide_labels) { - $this->StrokeLabels($pos,false); - } - $this->img->SetColor($this->radius_tick_color); - $this->scale->ticks->Stroke($this->img,$this->scale,$pos); - - // - // Mirror the positions for the left side of the scale - // - $mid = 2*($this->img->left_margin+$this->img->plotwidth/2); - $n = count($this->scale->ticks->ticks_pos); - $i=0; - while( $i < $n ) { - $this->scale->ticks->ticks_pos[$i] = - $mid-$this->scale->ticks->ticks_pos[$i] ; - ++$i; - } - - $n = count($this->scale->ticks->maj_ticks_pos); - $i=0; - while( $i < $n ) { - $this->scale->ticks->maj_ticks_pos[$i] = - $mid-$this->scale->ticks->maj_ticks_pos[$i] ; - ++$i; - } - - $n = count($this->scale->ticks->maj_ticklabels_pos); - $i=1; - while( $i < $n ) { - $this->scale->ticks->maj_ticklabels_pos[$i] = - $mid-$this->scale->ticks->maj_ticklabels_pos[$i] ; - ++$i; - } - - // Draw the left side of the scale - $n = count($this->scale->ticks->ticks_pos); - $yu = $pos - $this->scale->ticks->direction*$this->scale->ticks->GetMinTickAbsSize(); - - - // Minor ticks - if( ! $this->scale->ticks->supress_minor_tickmarks ) { - $i=1; - while( $i < $n/2 ) { - $x = round($this->scale->ticks->ticks_pos[$i]) ; - $this->img->Line($x,$pos,$x,$yu); - ++$i; - } - } - - $n = count($this->scale->ticks->maj_ticks_pos); - $yu = $pos - $this->scale->ticks->direction*$this->scale->ticks->GetMajTickAbsSize(); - - - // Major ticks - if( ! $this->scale->ticks->supress_tickmarks ) { - $i=1; - while( $i < $n/2 ) { - $x = round($this->scale->ticks->maj_ticks_pos[$i]) ; - $this->img->Line($x,$pos,$x,$yu); - ++$i; - } - } - if (!$this->hide_labels) { - $this->StrokeLabels($pos,false); - } - $this->title->Stroke($this->img); - } -} - -class PolarScale extends LinearScale { - private $graph; - public $clockwise=false; - - function __construct($aMax,$graph,$aClockwise) { - parent::__construct(0,$aMax,'x'); - $this->graph = $graph; - $this->clockwise = $aClockwise; - } - - function SetClockwise($aFlg) { - $this->clockwise = $aFlg; - } - - function _Translate($v) { - return parent::Translate($v); - } - - function PTranslate($aAngle,$aRad) { - - $m = $this->scale[1]; - $w = $this->graph->img->plotwidth/2; - $aRad = $aRad/$m*$w; - - $a = $aAngle/180 * M_PI; - if( $this->clockwise ) { - $a = 2*M_PI-$a; - } - - $x = cos($a) * $aRad; - $y = sin($a) * $aRad; - - $x += $this->_Translate(0); - - if( $this->graph->iType == POLAR_360 ) { - $y = ($this->graph->img->top_margin + $this->graph->img->plotheight/2) - $y; - } - else { - $y = ($this->graph->img->top_margin + $this->graph->img->plotheight) - $y; - } - return array($x,$y); - } -} - -class PolarLogScale extends LogScale { - private $graph; - public $clockwise=false; - - function __construct($aMax,$graph,$aClockwise=false) { - parent::__construct(0,$aMax,'x'); - $this->graph = $graph; - $this->ticks->SetLabelLogType(LOGLABELS_MAGNITUDE); - $this->clockwise = $aClockwise; - - } - - function SetClockwise($aFlg) { - $this->clockwise = $aFlg; - } - - function PTranslate($aAngle,$aRad) { - - if( $aRad == 0 ) - $aRad = 1; - $aRad = log10($aRad); - $m = $this->scale[1]; - $w = $this->graph->img->plotwidth/2; - $aRad = $aRad/$m*$w; - - $a = $aAngle/180 * M_PI; - if( $this->clockwise ) { - $a = 2*M_PI-$a; - } - - $x = cos( $a ) * $aRad; - $y = sin( $a ) * $aRad; - - $x += $w+$this->graph->img->left_margin;//$this->_Translate(0); - if( $this->graph->iType == POLAR_360 ) { - $y = ($this->graph->img->top_margin + $this->graph->img->plotheight/2) - $y; - } - else { - $y = ($this->graph->img->top_margin + $this->graph->img->plotheight) - $y; - } - return array($x,$y); - } -} - -class PolarGraph extends Graph { - public $scale; - public $axis; - public $iType=POLAR_360; - private $iClockwise=false; - - function __construct($aWidth=300,$aHeight=200,$aCachedName="",$aTimeOut=0,$aInline=true) { - parent::__construct($aWidth,$aHeight,$aCachedName,$aTimeOut,$aInline) ; - $this->SetDensity(TICKD_DENSE); - $this->SetBox(); - $this->SetMarginColor('white'); - } - - function SetDensity($aDense) { - $this->SetTickDensity(TICKD_NORMAL,$aDense); - } - - function SetClockwise($aFlg) { - $this->scale->SetClockwise($aFlg); - } - - function Set90AndMargin($lm=0,$rm=0,$tm=0,$bm=0) { - $adj = ($this->img->height - $this->img->width)/2; - $this->SetAngle(90); - $lm2 = -$adj + ($lm-$rm+$tm+$bm)/2; - $rm2 = -$adj + (-$lm+$rm+$tm+$bm)/2; - $tm2 = $adj + ($tm-$bm+$lm+$rm)/2; - $bm2 = $adj + (-$tm+$bm+$lm+$rm)/2; - $this->SetMargin($lm2, $rm2, $tm2, $bm2); - $this->axis->SetLabelAlign('right','center'); - } - - function SetScale($aScale,$rmax=0,$dummy1=1,$dummy2=1,$dummy3=1) { - if( $aScale == 'lin' ) { - $this->scale = new PolarScale($rmax,$this,$this->iClockwise); - } - elseif( $aScale == 'log' ) { - $this->scale = new PolarLogScale($rmax,$this,$this->iClockwise); - } - else { - JpGraphError::RaiseL(17004);//('Unknown scale type for polar graph. Must be "lin" or "log"'); - } - - $this->axis = new PolarAxis($this->img,$this->scale); - $this->SetMargin(40,40,50,40); - } - - function SetType($aType) { - $this->iType = $aType; - } - - function SetPlotSize($w,$h) { - $this->SetMargin(($this->img->width-$w)/2,($this->img->width-$w)/2, - ($this->img->height-$h)/2,($this->img->height-$h)/2); - } - - // Private methods - function GetPlotsMax() { - $n = count($this->plots); - $m = $this->plots[0]->Max(); - $i=1; - while($i < $n) { - $m = max($this->plots[$i]->Max(),$m); - ++$i; - } - return $m; - } - - function Stroke($aStrokeFileName="") { - - // Start by adjusting the margin so that potential titles will fit. - $this->AdjustMarginsForTitles(); - - // If the filename is the predefined value = '_csim_special_' - // we assume that the call to stroke only needs to do enough - // to correctly generate the CSIM maps. - // We use this variable to skip things we don't strictly need - // to do to generate the image map to improve performance - // a best we can. Therefor you will see a lot of tests !$_csim in the - // code below. - $_csim = ($aStrokeFileName===_CSIM_SPECIALFILE); - - // We need to know if we have stroked the plot in the - // GetCSIMareas. Otherwise the CSIM hasn't been generated - // and in the case of GetCSIM called before stroke to generate - // CSIM without storing an image to disk GetCSIM must call Stroke. - $this->iHasStroked = true; - - //Check if we should autoscale axis - if( !$this->scale->IsSpecified() && count($this->plots)>0 ) { - $max = $this->GetPlotsMax(); - $t1 = $this->img->plotwidth; - $this->img->plotwidth /= 2; - $t2 = $this->img->left_margin; - $this->img->left_margin += $this->img->plotwidth+1; - $this->scale->AutoScale($this->img,0,$max, - $this->img->plotwidth/$this->xtick_factor/2); - $this->img->plotwidth = $t1; - $this->img->left_margin = $t2; - } - else { - // The tick calculation will use the user suplied min/max values to determine - // the ticks. If auto_ticks is false the exact user specifed min and max - // values will be used for the scale. - // If auto_ticks is true then the scale might be slightly adjusted - // so that the min and max values falls on an even major step. - //$min = 0; - $max = $this->scale->scale[1]; - $t1 = $this->img->plotwidth; - $this->img->plotwidth /= 2; - $t2 = $this->img->left_margin; - $this->img->left_margin += $this->img->plotwidth+1; - $this->scale->AutoScale($this->img,0,$max, - $this->img->plotwidth/$this->xtick_factor/2); - $this->img->plotwidth = $t1; - $this->img->left_margin = $t2; - } - - if( $this->iType == POLAR_180 ) { - $pos = $this->img->height - $this->img->bottom_margin; - } - else { - $pos = $this->img->plotheight/2 + $this->img->top_margin; - } - - if( !$_csim ) { - $this->StrokePlotArea(); - } - - $this->iDoClipping = true; - - if( $this->iDoClipping ) { - $oldimage = $this->img->CloneCanvasH(); - } - - if( !$_csim ) { - $this->axis->StrokeGrid($pos); - } - - // Stroke all plots for Y1 axis - for($i=0; $i < count($this->plots); ++$i) { - $this->plots[$i]->Stroke($this->img,$this->scale); - } - - - if( $this->iDoClipping ) { - // Clipping only supports graphs at 0 and 90 degrees - if( $this->img->a == 0 ) { - $this->img->CopyCanvasH($oldimage,$this->img->img, - $this->img->left_margin,$this->img->top_margin, - $this->img->left_margin,$this->img->top_margin, - $this->img->plotwidth+1,$this->img->plotheight+1); - } - elseif( $this->img->a == 90 ) { - $adj1 = round(($this->img->height - $this->img->width)/2); - $adj2 = round(($this->img->width - $this->img->height)/2); - $lm = $this->img->left_margin; - $rm = $this->img->right_margin; - $tm = $this->img->top_margin; - $bm = $this->img->bottom_margin; - $this->img->CopyCanvasH($oldimage,$this->img->img, - $adj2 + round(($lm-$rm+$tm+$bm)/2), - $adj1 + round(($tm-$bm+$lm+$rm)/2), - $adj2 + round(($lm-$rm+$tm+$bm)/2), - $adj1 + round(($tm-$bm+$lm+$rm)/2), - $this->img->plotheight+1, - $this->img->plotwidth+1); - } - $this->img->Destroy(); - $this->img->SetCanvasH($oldimage); - } - - if( !$_csim ) { - $this->axis->Stroke($pos); - $this->axis->StrokeAngleLabels($pos,$this->iType); - } - - if( !$_csim ) { - $this->StrokePlotBox(); - $this->footer->Stroke($this->img); - - // The titles and legends never gets rotated so make sure - // that the angle is 0 before stroking them - $aa = $this->img->SetAngle(0); - $this->StrokeTitles(); - } - - for($i=0; $i < count($this->plots) ; ++$i ) { - $this->plots[$i]->Legend($this); - } - - $this->legend->Stroke($this->img); - - if( !$_csim ) { - - $this->StrokeTexts(); - $this->img->SetAngle($aa); - - // Draw an outline around the image map - if(_JPG_DEBUG) - $this->DisplayClientSideaImageMapAreas(); - - // If the filename is given as the special "__handle" - // then the image handler is returned and the image is NOT - // streamed back - if( $aStrokeFileName == _IMG_HANDLER ) { - return $this->img->img; - } - else { - // Finally stream the generated picture - $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,$aStrokeFileName); - } - } - } -} - - - -?> |