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1567 lines
52 KiB
1567 lines
52 KiB
2 years ago
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<?php
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/*=======================================================================
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// File: JPGRAPH_WINDROSE.PHP
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// Description: Windrose extension for JpGraph
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// Created: 2003-09-17
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// Ver: $Id: jpgraph_windrose.php 1928 2010-01-11 19:56:51Z ljp $
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//
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// Copyright (c) Asial Corporation. All rights reserved.
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//========================================================================
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*/
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require_once('jpgraph_glayout_vh.inc.php');
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//------------------------------------------------------------------------
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// Determine how many compass directions to show
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//------------------------------------------------------------------------
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define('WINDROSE_TYPE4',1);
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define('WINDROSE_TYPE8',2);
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define('WINDROSE_TYPE16',3);
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define('WINDROSE_TYPEFREE',4);
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//------------------------------------------------------------------------
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// How should the labels for the circular grids be aligned
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//------------------------------------------------------------------------
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define('LBLALIGN_CENTER',1);
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define('LBLALIGN_TOP',2);
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//------------------------------------------------------------------------
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// How should the labels around the plot be align
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//------------------------------------------------------------------------
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define('LBLPOSITION_CENTER',1);
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define('LBLPOSITION_EDGE',2);
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//------------------------------------------------------------------------
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// Interpretation of ordinal values in the data
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//------------------------------------------------------------------------
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define('KEYENCODING_CLOCKWISE',1);
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define('KEYENCODING_ANTICLOCKWISE',2);
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// Internal debug flag
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define('__DEBUG',false);
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//===================================================
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// CLASS WindrosePlotScale
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//===================================================
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class WindrosePlotScale {
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private $iMax,$iDelta=5;
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private $iNumCirc=3;
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public $iMaxNum=0;
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private $iLblFmt='%.0f%%';
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public $iFontFamily=FF_VERDANA,$iFontStyle=FS_NORMAL,$iFontSize=10;
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public $iZFontFamily=FF_ARIAL,$iZFontStyle=FS_NORMAL,$iZFontSize=10;
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public $iFontColor='black',$iZFontColor='black';
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private $iFontFrameColor=false, $iFontBkgColor=false;
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private $iLblZeroTxt=null;
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private $iLblAlign=LBLALIGN_CENTER;
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public $iAngle='auto';
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private $iManualScale = false;
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private $iHideLabels = false;
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function __construct($aData) {
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$max=0;
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$totlegsum = 0;
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$maxnum=0;
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$this->iZeroSum=0;
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foreach( $aData as $idx => $legdata ) {
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$legsum = array_sum($legdata);
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$maxnum = max($maxnum,count($legdata)-1);
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$max = max($legsum-$legdata[0],$max);
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$totlegsum += $legsum;
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$this->iZeroSum += $legdata[0] ;
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}
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if( round($totlegsum) > 100 ) {
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JpGraphError::RaiseL(22001,$legsum);
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//("Total percentage for all windrose legs in a windrose plot can not exceed 100% !\n(Current max is: ".$legsum.')');
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}
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$this->iMax = $max ;
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$this->iMaxNum = $maxnum;
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$this->iNumCirc = $this->GetNumCirc();
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$this->iMaxVal = $this->iNumCirc * $this->iDelta ;
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}
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// Return number of grid circles
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function GetNumCirc() {
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// Never return less than 1 circles
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$num = ceil($this->iMax / $this->iDelta);
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return max(1,$num) ;
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}
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function SetMaxValue($aMax) {
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$this->iMax = $aMax;
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$this->iNumCirc = $this->GetNumCirc();
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$this->iMaxVal = $this->iNumCirc * $this->iDelta ;
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}
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// Set step size for circular grid
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function Set($aMax,$aDelta=null) {
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if( $aDelta==null ) {
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$this->SetMaxValue($aMax);
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return;
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}
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$this->iDelta = $aDelta;
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$this->iNumCirc = ceil($aMax/$aDelta); //$this->GetNumCirc();
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$this->iMaxVal = $this->iNumCirc * $this->iDelta ;
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$this->iMax=$aMax;
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// Remember that user has specified interval so don't
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// do autoscaling
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$this->iManualScale = true;
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}
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function AutoScale($aRadius,$aMinDist=30) {
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if( $this->iManualScale ) return;
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// Make sure distance (in pixels) between two circles
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// is never less than $aMinDist pixels
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$tst = ceil($aRadius / $this->iNumCirc) ;
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while( $tst <= $aMinDist && $this->iDelta < 100 ) {
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$this->iDelta += 5;
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$tst = ceil($aRadius / $this->GetNumCirc()) ;
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}
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if( $this->iDelta >= 100 ) {
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JpGraphError::RaiseL(22002);//('Graph is too small to have a scale. Please make the graph larger.');
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}
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// If the distance is to large try with multiples of 2 instead
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if( $tst > $aMinDist * 3 ) {
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$this->iDelta = 2;
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$tst = ceil($aRadius / $this->iNumCirc) ;
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while( $tst <= $aMinDist && $this->iDelta < 100 ) {
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$this->iDelta += 2;
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$tst = ceil($aRadius / $this->GetNumCirc()) ;
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}
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if( $this->iDelta >= 100 ) {
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JpGraphError::RaiseL(22002); //('Graph is too small to have a scale. Please make the graph larger.');
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}
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}
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$this->iNumCirc = $this->GetNumCirc();
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$this->iMaxVal = $this->iNumCirc * $this->iDelta ;
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}
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// Return max of all leg values
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function GetMax() {
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return $this->iMax;
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}
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function Hide($aFlg=true) {
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$this->iHideLabels = $aFlg;
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}
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function SetAngle($aAngle) {
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$this->iAngle = $aAngle ;
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}
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// Translate a Leg value to radius distance
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function RelTranslate($aVal,$r,$ri) {
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$tv = round($aVal/$this->iMaxVal*($r-$ri));
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return $tv ;
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}
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function SetLabelAlign($aAlign) {
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$this->iLblAlign = $aAlign ;
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}
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function SetLabelFormat($aFmt) {
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$this->iLblFmt = $aFmt ;
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}
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function SetLabelFillColor($aBkgColor,$aBorderColor=false) {
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$this->iFontBkgColor = $aBkgColor;
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if( $aBorderColor === false ) {
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$this->iFontFrameColor = $aBkgColor;
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}
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else {
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$this->iFontFrameColor = $aBorderColor;
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}
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}
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function SetFontColor($aColor) {
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$this->iFontColor = $aColor ;
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$this->iZFontColor = $aColor ;
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}
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function SetFont($aFontFamily,$aFontStyle=FS_NORMAL,$aFontSize=10) {
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$this->iFontFamily = $aFontFamily ;
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$this->iFontStyle = $aFontStyle ;
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$this->iFontSize = $aFontSize ;
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$this->SetZFont($aFontFamily,$aFontStyle,$aFontSize);
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}
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function SetZFont($aFontFamily,$aFontStyle=FS_NORMAL,$aFontSize=10) {
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$this->iZFontFamily = $aFontFamily ;
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$this->iZFontStyle = $aFontStyle ;
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$this->iZFontSize = $aFontSize ;
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}
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function SetZeroLabel($aTxt) {
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$this->iLblZeroTxt = $aTxt ;
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}
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function SetZFontColor($aColor) {
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$this->iZFontColor = $aColor ;
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}
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function StrokeLabels($aImg,$xc,$yc,$ri,$rr) {
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if( $this->iHideLabels ) return;
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// Setup some convinient vairables
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$a = $this->iAngle * M_PI/180.0;
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$n = $this->iNumCirc;
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$d = $this->iDelta;
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// Setup the font and font color
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$val = new Text();
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$val->SetFont($this->iFontFamily,$this->iFontStyle,$this->iFontSize);
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$val->SetColor($this->iFontColor);
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if( $this->iFontBkgColor !== false ) {
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$val->SetBox($this->iFontBkgColor,$this->iFontFrameColor);
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}
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// Position the labels relative to the radiant circles
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if( $this->iLblAlign == LBLALIGN_TOP ) {
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if( $a > 0 && $a <= M_PI/2 ) {
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$val->SetAlign('left','bottom');
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}
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elseif( $a > M_PI/2 && $a <= M_PI ) {
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$val->SetAlign('right','bottom');
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}
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}
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elseif( $this->iLblAlign == LBLALIGN_CENTER ) {
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$val->SetAlign('center','center');
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}
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// Stroke the labels close to each circle
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$v = $d ;
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$si = sin($a);
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$co = cos($a);
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for( $i=0; $i < $n; ++$i, $v += $d ) {
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$r = $ri + ($i+1) * $rr;
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$x = $xc + $co * $r;
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$y = $yc - $si * $r;
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$val->Set(sprintf($this->iLblFmt,$v));
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$val->Stroke($aImg,$x,$y);
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}
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// Print the text in the zero circle
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if( $this->iLblZeroTxt === null ) {
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$this->iLblZeroTxt = sprintf($this->iLblFmt,$this->iZeroSum);
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}
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else {
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$this->iLblZeroTxt = sprintf($this->iLblZeroTxt,$this->iZeroSum);
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}
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$val->Set($this->iLblZeroTxt);
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$val->SetAlign('center','center');
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$val->SetParagraphAlign('center');
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$val->SetColor($this->iZFontColor);
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$val->SetFont($this->iZFontFamily,$this->iZFontStyle,$this->iZFontSize);
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$val->Stroke($aImg,$xc,$yc);
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}
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}
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//===================================================
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// CLASS LegendStyle
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//===================================================
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class LegendStyle {
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public $iLength = 40, $iMargin = 20 , $iBottomMargin=5;
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public $iCircleWeight=2, $iCircleRadius = 18, $iCircleColor='black';
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public $iTxtFontFamily=FF_VERDANA,$iTxtFontStyle=FS_NORMAL,$iTxtFontSize=8;
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public $iLblFontFamily=FF_VERDANA,$iLblFontStyle=FS_NORMAL,$iLblFontSize=8;
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public $iCircleFontFamily=FF_VERDANA,$iCircleFontStyle=FS_NORMAL,$iCircleFontSize=8;
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public $iLblFontColor='black',$iTxtFontColor='black',$iCircleFontColor='black';
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public $iShow=true;
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public $iFormatString='%.1f';
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public $iTxtMargin=6, $iTxt='';
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public $iZCircleTxt='Calm';
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function SetFont($aFontFamily,$aFontStyle=FS_NORMAL,$aFontSize=10) {
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$this->iLblFontFamily = $aFontFamily ;
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$this->iLblFontStyle = $aFontStyle ;
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$this->iLblFontSize = $aFontSize ;
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$this->iTxtFontFamily = $aFontFamily ;
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$this->iTxtFontStyle = $aFontStyle ;
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$this->iTxtFontSize = $aFontSize ;
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$this->iCircleFontFamily = $aFontFamily ;
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$this->iCircleFontStyle = $aFontStyle ;
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$this->iCircleFontSize = $aFontSize ;
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}
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function SetLFont($aFontFamily,$aFontStyle=FS_NORMAL,$aFontSize=10) {
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$this->iLblFontFamily = $aFontFamily ;
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$this->iLblFontStyle = $aFontStyle ;
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$this->iLblFontSize = $aFontSize ;
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}
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function SetTFont($aFontFamily,$aFontStyle=FS_NORMAL,$aFontSize=10) {
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$this->iTxtFontFamily = $aFontFamily ;
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$this->iTxtFontStyle = $aFontStyle ;
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$this->iTxtFontSize = $aFontSize ;
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}
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function SetCFont($aFontFamily,$aFontStyle=FS_NORMAL,$aFontSize=10) {
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$this->iCircleFontFamily = $aFontFamily ;
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$this->iCircleFontStyle = $aFontStyle ;
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$this->iCircleFontSize = $aFontSize ;
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}
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function SetFontColor($aColor) {
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$this->iTxtFontColor = $aColor ;
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$this->iLblFontColor = $aColor ;
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$this->iCircleFontColor = $aColor ;
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}
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function SetTFontColor($aColor) {
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$this->iTxtFontColor = $aColor ;
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}
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function SetLFontColor($aColor) {
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$this->iLblFontColor = $aColor ;
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}
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function SetCFontColor($aColor) {
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$this->iCircleFontColor = $aColor ;
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}
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function SetCircleWeight($aWeight) {
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$this->iCircleWeight = $aWeight;
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}
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function SetCircleRadius($aRadius) {
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$this->iCircleRadius = $aRadius;
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}
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function SetCircleColor($aColor) {
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$this->iCircleColor = $aColor ;
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}
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function SetCircleText($aTxt) {
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$this->iZCircleTxt = $aTxt;
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}
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||
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||
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function SetMargin($aMarg,$aBottomMargin=5) {
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$this->iMargin=$aMarg;
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||
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$this->iBottomMargin=$aBottomMargin;
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||
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}
|
||
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function SetLength($aLength) {
|
||
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$this->iLength = $aLength ;
|
||
|
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}
|
||
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|
||
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function Show($aFlg=true) {
|
||
|
|
$this->iShow = $aFlg;
|
||
|
|
}
|
||
|
|
|
||
|
|
function Hide($aFlg=true) {
|
||
|
|
$this->iShow = ! $aFlg;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetFormat($aFmt) {
|
||
|
|
$this->iFormatString=$aFmt;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetText($aTxt) {
|
||
|
|
$this->iTxt = $aTxt ;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
define('RANGE_OVERLAPPING',0);
|
||
|
|
define('RANGE_DISCRETE',1);
|
||
|
|
|
||
|
|
//===================================================
|
||
|
|
// CLASS WindrosePlot
|
||
|
|
//===================================================
|
||
|
|
class WindrosePlot {
|
||
|
|
private $iAntiAlias=true;
|
||
|
|
private $iData=array();
|
||
|
|
public $iX=0.5,$iY=0.5;
|
||
|
|
public $iSize=0.55;
|
||
|
|
private $iGridColor1='gray',$iGridColor2='darkgreen';
|
||
|
|
private $iRadialColorArray=array();
|
||
|
|
private $iRadialWeightArray=array();
|
||
|
|
private $iRadialStyleArray=array();
|
||
|
|
private $iRanges = array(1,2,3,5,6,10,13.5,99.0);
|
||
|
|
private $iRangeStyle = RANGE_OVERLAPPING ;
|
||
|
|
public $iCenterSize=60;
|
||
|
|
private $iType = WINDROSE_TYPE16;
|
||
|
|
public $iFontFamily=FF_VERDANA,$iFontStyle=FS_NORMAL,$iFontSize=10;
|
||
|
|
public $iFontColor='darkgray';
|
||
|
|
private $iRadialGridStyle='longdashed';
|
||
|
|
private $iAllDirectionLabels = array('E','ENE','NE','NNE','N','NNW','NW','WNW','W','WSW','SW','SSW','S','SSE','SE','ESE');
|
||
|
|
private $iStandardDirections = array();
|
||
|
|
private $iCircGridWeight=3, $iRadialGridWeight=1;
|
||
|
|
private $iLabelMargin=12;
|
||
|
|
private $iLegweights = array(2,4,6,8,10,12,14,16,18,20);
|
||
|
|
private $iLegColors = array('orange','black','blue','red','green','purple','navy','yellow','brown');
|
||
|
|
private $iLabelFormatString='', $iLabels=array();
|
||
|
|
private $iLabelPositioning = LBLPOSITION_EDGE;
|
||
|
|
private $iColor='white';
|
||
|
|
private $iShowBox=false, $iBoxColor='black',$iBoxWeight=1,$iBoxStyle='solid';
|
||
|
|
private $iOrdinalEncoding=KEYENCODING_ANTICLOCKWISE;
|
||
|
|
public $legend=null;
|
||
|
|
|
||
|
|
function __construct($aData) {
|
||
|
|
$this->iData = $aData;
|
||
|
|
$this->legend = new LegendStyle();
|
||
|
|
|
||
|
|
// Setup the scale
|
||
|
|
$this->scale = new WindrosePlotScale($this->iData);
|
||
|
|
|
||
|
|
// default label for free type i agle and a degree sign
|
||
|
|
$this->iLabelFormatString = '%.1f'.SymChar::Get('degree');
|
||
|
|
|
||
|
|
$delta = 2*M_PI/16;
|
||
|
|
for( $i=0, $a=0; $i < 16; ++$i, $a += $delta ) {
|
||
|
|
$this->iStandardDirections[$this->iAllDirectionLabels[$i]] = $a;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Dummy method to make window plots have the same signature as the
|
||
|
|
// layout classes since windrose plots are "leaf" classes in the hierarchy
|
||
|
|
function LayoutSize() {
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetSize($aSize) {
|
||
|
|
$this->iSize = $aSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetDataKeyEncoding($aEncoding) {
|
||
|
|
$this->iOrdinalEncoding = $aEncoding;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetColor($aColor) {
|
||
|
|
$this->iColor = $aColor;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetRadialColors($aColors) {
|
||
|
|
$this->iRadialColorArray = $aColors;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetRadialWeights($aWeights) {
|
||
|
|
$this->iRadialWeightArray = $aWeights;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetRadialStyles($aStyles) {
|
||
|
|
$this->iRadialStyleArray = $aStyles;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetBox($aColor='black',$aWeight=1, $aStyle='solid', $aShow=true) {
|
||
|
|
$this->iShowBox = $aShow ;
|
||
|
|
$this->iBoxColor = $aColor ;
|
||
|
|
$this->iBoxWeight = $aWeight ;
|
||
|
|
$this->iBoxStyle = $aStyle;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetLabels($aLabels) {
|
||
|
|
$this->iLabels = $aLabels ;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetLabelMargin($aMarg) {
|
||
|
|
$this->iLabelMargin = $aMarg ;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetLabelFormat($aLblFormat) {
|
||
|
|
$this->iLabelFormatString = $aLblFormat ;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetCompassLabels($aLabels) {
|
||
|
|
if( count($aLabels) != 16 ) {
|
||
|
|
JpgraphError::RaiseL(22004); //('Label specification for windrose directions must have 16 values (one for each compass direction).');
|
||
|
|
}
|
||
|
|
$this->iAllDirectionLabels = $aLabels ;
|
||
|
|
|
||
|
|
$delta = 2*M_PI/16;
|
||
|
|
for( $i=0, $a=0; $i < 16; ++$i, $a += $delta ) {
|
||
|
|
$this->iStandardDirections[$this->iAllDirectionLabels[$i]] = $a;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetCenterSize($aSize) {
|
||
|
|
$this->iCenterSize = $aSize;
|
||
|
|
}
|
||
|
|
// Alias for SetCenterSize
|
||
|
|
function SetZCircleSize($aSize) {
|
||
|
|
$this->iCenterSize = $aSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetFont($aFFam,$aFStyle=FS_NORMAL,$aFSize=10) {
|
||
|
|
$this->iFontFamily = $aFFam ;
|
||
|
|
$this->iFontStyle = $aFStyle ;
|
||
|
|
$this->iFontSize = $aFSize ;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetFontColor($aColor) {
|
||
|
|
$this->iFontColor=$aColor;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetGridColor($aColor1,$aColor2) {
|
||
|
|
$this->iGridColor1 = $aColor1;
|
||
|
|
$this->iGridColor2 = $aColor2;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetGridWeight($aGrid1=1,$aGrid2=2) {
|
||
|
|
$this->iCircGridWeight = $aGrid1 ;
|
||
|
|
$this->iRadialGridWeight = $aGrid2 ;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetRadialGridStyle($aStyle) {
|
||
|
|
$aStyle = strtolower($aStyle);
|
||
|
|
if( !in_array($aStyle,array('solid','dotted','dashed','longdashed')) ) {
|
||
|
|
JpGraphError::RaiseL(22005); //("Line style for radial lines must be on of ('solid','dotted','dashed','longdashed') ");
|
||
|
|
}
|
||
|
|
$this->iRadialGridStyle=$aStyle;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetRanges($aRanges) {
|
||
|
|
$this->iRanges = $aRanges;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetRangeStyle($aStyle) {
|
||
|
|
$this->iRangeStyle = $aStyle;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetRangeColors($aLegColors) {
|
||
|
|
$this->iLegColors = $aLegColors;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetRangeWeights($aWeights) {
|
||
|
|
$n=count($aWeights);
|
||
|
|
for($i=0; $i< $n; ++$i ) {
|
||
|
|
$aWeights[$i] = floor($aWeights[$i]/2);
|
||
|
|
}
|
||
|
|
$this->iLegweights = $aWeights;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetType($aType) {
|
||
|
|
if( $aType < WINDROSE_TYPE4 || $aType > WINDROSE_TYPEFREE ) {
|
||
|
|
JpGraphError::RaiseL(22006); //('Illegal windrose type specified.');
|
||
|
|
}
|
||
|
|
$this->iType = $aType;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Alias for SetPos()
|
||
|
|
function SetCenterPos($aX,$aY) {
|
||
|
|
$this->iX = $aX;
|
||
|
|
$this->iY = $aY;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetPos($aX,$aY) {
|
||
|
|
$this->iX = $aX;
|
||
|
|
$this->iY = $aY;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetAntiAlias($aFlag) {
|
||
|
|
$this->iAntiAlias = $aFlag ;
|
||
|
|
if( ! $aFlag )
|
||
|
|
$this->iCircGridWeight = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
function _ThickCircle($aImg,$aXC,$aYC,$aRad,$aWeight=2,$aColor) {
|
||
|
|
|
||
|
|
$aImg->SetColor($aColor);
|
||
|
|
$aRad *= 2 ;
|
||
|
|
$aImg->Ellipse($aXC,$aYC,$aRad,$aRad);
|
||
|
|
if( $aWeight > 1 ) {
|
||
|
|
$aImg->Ellipse($aXC,$aYC,$aRad+1,$aRad+1);
|
||
|
|
$aImg->Ellipse($aXC,$aYC,$aRad+2,$aRad+2);
|
||
|
|
if( $aWeight > 2 ) {
|
||
|
|
$aImg->Ellipse($aXC,$aYC,$aRad+3,$aRad+3);
|
||
|
|
$aImg->Ellipse($aXC,$aYC,$aRad+3,$aRad+4);
|
||
|
|
$aImg->Ellipse($aXC,$aYC,$aRad+4,$aRad+3);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function _StrokeWindLeg($aImg,$xc,$yc,$a,$ri,$r,$weight,$color) {
|
||
|
|
|
||
|
|
// If less than 1 px long then we assume this has been caused by rounding problems
|
||
|
|
// and should not be stroked
|
||
|
|
if( $r < 1 ) return;
|
||
|
|
|
||
|
|
$xt = $xc + cos($a)*$ri;
|
||
|
|
$yt = $yc - sin($a)*$ri;
|
||
|
|
$xxt = $xc + cos($a)*($ri+$r);
|
||
|
|
$yyt = $yc - sin($a)*($ri+$r);
|
||
|
|
|
||
|
|
$x1 = $xt - $weight*sin($a);
|
||
|
|
$y1 = $yt - $weight*cos($a);
|
||
|
|
$x2 = $xxt - $weight*sin($a);
|
||
|
|
$y2 = $yyt - $weight*cos($a);
|
||
|
|
|
||
|
|
$x3 = $xxt + $weight*sin($a);
|
||
|
|
$y3 = $yyt + $weight*cos($a);
|
||
|
|
$x4 = $xt + $weight*sin($a);
|
||
|
|
$y4 = $yt + $weight*cos($a);
|
||
|
|
|
||
|
|
$pts = array($x1,$y1,$x2,$y2,$x3,$y3,$x4,$y4);
|
||
|
|
$aImg->SetColor($color);
|
||
|
|
$aImg->FilledPolygon($pts);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function _StrokeLegend($aImg,$x,$y,$scaling=1,$aReturnWidth=false) {
|
||
|
|
|
||
|
|
if( ! $this->legend->iShow ) return 0;
|
||
|
|
|
||
|
|
$nlc = count($this->iLegColors);
|
||
|
|
$nlw = count($this->iLegweights);
|
||
|
|
|
||
|
|
// Setup font for ranges
|
||
|
|
$value = new Text();
|
||
|
|
$value->SetAlign('center','bottom');
|
||
|
|
$value->SetFont($this->legend->iLblFontFamily,
|
||
|
|
$this->legend->iLblFontStyle,
|
||
|
|
$this->legend->iLblFontSize*$scaling);
|
||
|
|
$value->SetColor($this->legend->iLblFontColor);
|
||
|
|
|
||
|
|
// Remember x-center
|
||
|
|
$xcenter = $x ;
|
||
|
|
|
||
|
|
// Construct format string
|
||
|
|
$fmt = $this->legend->iFormatString.'-'.$this->legend->iFormatString;
|
||
|
|
|
||
|
|
// Make sure that the length of each range is enough to cover the
|
||
|
|
// size of the labels
|
||
|
|
$tst = sprintf($fmt,$this->iRanges[0],$this->iRanges[1]);
|
||
|
|
$value->Set($tst);
|
||
|
|
$w = $value->GetWidth($aImg);
|
||
|
|
$l = round(max($this->legend->iLength * $scaling,$w*1.5));
|
||
|
|
|
||
|
|
$r = $this->legend->iCircleRadius * $scaling ;
|
||
|
|
$len = 2*$r + $this->scale->iMaxNum * $l;
|
||
|
|
|
||
|
|
// We are called just to find out the width
|
||
|
|
if( $aReturnWidth ) return $len;
|
||
|
|
|
||
|
|
$x -= round($len/2);
|
||
|
|
$x += $r;
|
||
|
|
|
||
|
|
// 4 pixels extra vertical margin since the circle sometimes is +/- 1 pixel of the
|
||
|
|
// theorethical radius due to imperfection in the GD library
|
||
|
|
//$y -= round(max($r,$scaling*$this->iLegweights[($this->scale->iMaxNum-1) % $nlw])+4*$scaling);
|
||
|
|
$y -= ($this->legend->iCircleRadius + 2)*$scaling+$this->legend->iBottomMargin*$scaling;
|
||
|
|
|
||
|
|
// Adjust for bottom text
|
||
|
|
if( $this->legend->iTxt != '' ) {
|
||
|
|
// Setup font for text
|
||
|
|
$value->Set($this->legend->iTxt);
|
||
|
|
$y -= /*$this->legend->iTxtMargin + */ $value->GetHeight($aImg);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Stroke 0-circle
|
||
|
|
$this->_ThickCircle($aImg,$x,$y,$r,$this->legend->iCircleWeight,
|
||
|
|
$this->legend->iCircleColor);
|
||
|
|
|
||
|
|
// Remember the center of the circe
|
||
|
|
$xc=$x; $yc=$y;
|
||
|
|
|
||
|
|
$value->SetAlign('center','bottom');
|
||
|
|
$x += $r+1;
|
||
|
|
|
||
|
|
// Stroke all used ranges
|
||
|
|
$txty = $y -
|
||
|
|
round($this->iLegweights[($this->scale->iMaxNum-1)%$nlw]*$scaling) - 4*$scaling;
|
||
|
|
if( $this->scale->iMaxNum >= count($this->iRanges) ) {
|
||
|
|
JpGraphError::RaiseL(22007); //('To few values for the range legend.');
|
||
|
|
}
|
||
|
|
$i=0;$idx=0;
|
||
|
|
while( $i < $this->scale->iMaxNum ) {
|
||
|
|
$y1 = $y - round($this->iLegweights[$i % $nlw]*$scaling);
|
||
|
|
$y2 = $y + round($this->iLegweights[$i % $nlw]*$scaling);
|
||
|
|
$x2 = $x + $l ;
|
||
|
|
$aImg->SetColor($this->iLegColors[$i % $nlc]);
|
||
|
|
$aImg->FilledRectangle($x,$y1,$x2,$y2);
|
||
|
|
if( $this->iRangeStyle == RANGE_OVERLAPPING ) {
|
||
|
|
$lbl = sprintf($fmt,$this->iRanges[$idx],$this->iRanges[$idx+1]);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$lbl = sprintf($fmt,$this->iRanges[$idx],$this->iRanges[$idx+1]);
|
||
|
|
++$idx;
|
||
|
|
}
|
||
|
|
$value->Set($lbl);
|
||
|
|
$value->Stroke($aImg,$x+$l/2,$txty);
|
||
|
|
$x = $x2;
|
||
|
|
++$i;++$idx;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Setup circle font
|
||
|
|
$value->SetFont($this->legend->iCircleFontFamily,
|
||
|
|
$this->legend->iCircleFontStyle,
|
||
|
|
$this->legend->iCircleFontSize*$scaling);
|
||
|
|
$value->SetColor($this->legend->iCircleFontColor);
|
||
|
|
|
||
|
|
// Stroke 0-circle text
|
||
|
|
$value->Set($this->legend->iZCircleTxt);
|
||
|
|
$value->SetAlign('center','center');
|
||
|
|
$value->ParagraphAlign('center');
|
||
|
|
$value->Stroke($aImg,$xc,$yc);
|
||
|
|
|
||
|
|
// Setup circle font
|
||
|
|
$value->SetFont($this->legend->iTxtFontFamily,
|
||
|
|
$this->legend->iTxtFontStyle,
|
||
|
|
$this->legend->iTxtFontSize*$scaling);
|
||
|
|
$value->SetColor($this->legend->iTxtFontColor);
|
||
|
|
|
||
|
|
// Draw the text under the legend
|
||
|
|
$value->Set($this->legend->iTxt);
|
||
|
|
$value->SetAlign('center','top');
|
||
|
|
$value->SetParagraphAlign('center');
|
||
|
|
$value->Stroke($aImg,$xcenter,$y2+$this->legend->iTxtMargin*$scaling);
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetAutoScaleAngle($aIsRegRose=true) {
|
||
|
|
|
||
|
|
// If the user already has manually set an angle don't
|
||
|
|
// trye to find a position
|
||
|
|
if( is_numeric($this->scale->iAngle) )
|
||
|
|
return;
|
||
|
|
|
||
|
|
if( $aIsRegRose ) {
|
||
|
|
|
||
|
|
// Create a complete data for all directions
|
||
|
|
// and translate string directions to ordinal values.
|
||
|
|
// This will much simplify the logic below
|
||
|
|
for( $i=0; $i < 16; ++$i ) {
|
||
|
|
$dtxt = $this->iAllDirectionLabels[$i];
|
||
|
|
if( !empty($this->iData[$dtxt]) ) {
|
||
|
|
$data[$i] = $this->iData[$dtxt];
|
||
|
|
}
|
||
|
|
elseif( !empty($this->iData[strtolower($dtxt)]) ) {
|
||
|
|
$data[$i] = $this->iData[strtolower($dtxt)];
|
||
|
|
}
|
||
|
|
elseif( !empty($this->iData[$i]) ) {
|
||
|
|
$data[$i] = $this->iData[$i];
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$data[$i] = array();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Find the leg which has the lowest weighted sum of number of data around it
|
||
|
|
$c0 = array_sum($data[0]);
|
||
|
|
$c1 = array_sum($data[1]);
|
||
|
|
$found = 1;
|
||
|
|
$min = $c0+$c1*100; // Initialize to a high value
|
||
|
|
for( $i=1; $i < 15; ++$i ) {
|
||
|
|
$c2 = array_sum($data[$i+1]);
|
||
|
|
|
||
|
|
// Weight the leg we will use more to give preference
|
||
|
|
// to a short middle leg even if the 3 way sum is similair
|
||
|
|
$w = $c0 + 3*$c1 + $c2 ;
|
||
|
|
if( $w < $min ) {
|
||
|
|
$min = $w;
|
||
|
|
$found = $i;
|
||
|
|
}
|
||
|
|
$c0 = $c1;
|
||
|
|
$c1 = $c2;
|
||
|
|
}
|
||
|
|
$this->scale->iAngle = $found*22.5;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$n = count($this->iData);
|
||
|
|
foreach( $this->iData as $dir => $leg ) {
|
||
|
|
if( !is_numeric($dir) ) {
|
||
|
|
$pos = array_search(strtoupper($dir),$this->iAllDirectionLabels);
|
||
|
|
if( $pos !== false ) {
|
||
|
|
$dir = $pos*22.5;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$data[round($dir)] = $leg;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get all the angles for the data and sort it
|
||
|
|
$keys = array_keys($data);
|
||
|
|
sort($keys, SORT_NUMERIC);
|
||
|
|
|
||
|
|
$n = count($data);
|
||
|
|
$found = false;
|
||
|
|
$max = 0 ;
|
||
|
|
for( $i=0; $i < 15; ++$i ) {
|
||
|
|
$try_a = round(22.5*$i);
|
||
|
|
|
||
|
|
if( $try_a > $keys[$n-1] ) break;
|
||
|
|
|
||
|
|
if( in_array($try_a,$keys) ) continue;
|
||
|
|
|
||
|
|
// Find the angle just lower than this
|
||
|
|
$j=0;
|
||
|
|
while( $j < $n && $keys[$j] <= $try_a ) ++$j;
|
||
|
|
if( $j == 0 ) {
|
||
|
|
$kj = 0; $keys[$n-1];
|
||
|
|
$d1 = 0; abs($kj-$try_a);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
--$j;
|
||
|
|
$kj = $keys[$j];
|
||
|
|
$d1 = abs($kj-$try_a);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Find the angle just larger than this
|
||
|
|
$l=$n-1;
|
||
|
|
while( $l >= 0 && $keys[$l] >= $try_a ) --$l;
|
||
|
|
if( $l == $n-1) {
|
||
|
|
$kl = $keys[0];
|
||
|
|
$d2 = abs($kl-$try_a);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
++$l;
|
||
|
|
$kl = $keys[$l];
|
||
|
|
$d2 = abs($kl-$try_a);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Weight the distance so that legs with large spread
|
||
|
|
// gets a better weight
|
||
|
|
$w = $d1 + $d2;
|
||
|
|
if( $i == 0 ) {
|
||
|
|
$w = round(1.4 * $w);
|
||
|
|
}
|
||
|
|
$diff = abs($d1 - $d2);
|
||
|
|
$w *= (360-$diff);
|
||
|
|
if( $w > $max ) {
|
||
|
|
$found = $i;
|
||
|
|
$max = $w;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$a = $found*22.5;
|
||
|
|
|
||
|
|
// Some heuristics to have some preferred positions
|
||
|
|
if( $keys[$n-1] < 25 ) $a = 45;
|
||
|
|
elseif( $keys[0] > 60 ) $a = 45;
|
||
|
|
elseif( $keys[0] > 25 && $keys[$n-1] < 340 ) $a = 0;
|
||
|
|
elseif( $keys[$n-1] < 75 ) $a = 90;
|
||
|
|
elseif( $keys[$n-1] < 120 ) $a = 135;
|
||
|
|
elseif( $keys[$n-1] < 160 ) $a = 180;
|
||
|
|
|
||
|
|
$this->scale->iAngle = $a ;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function NormAngle($a) {
|
||
|
|
while( $a > 360 ) {
|
||
|
|
$a -= 360;
|
||
|
|
}
|
||
|
|
return $a;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetLabelPosition($aPos) {
|
||
|
|
$this->iLabelPositioning = $aPos ;
|
||
|
|
}
|
||
|
|
|
||
|
|
function _StrokeFreeRose($dblImg,$value,$scaling,$xc,$yc,$r,$ri) {
|
||
|
|
|
||
|
|
// Plot radial grid lines and remember the end position
|
||
|
|
// and the angle for later use when plotting the labels
|
||
|
|
if( $this->iType != WINDROSE_TYPEFREE ) {
|
||
|
|
JpGraphError::RaiseL(22008); //('Internal error: Trying to plot free Windrose even though type is not a free windorose');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check if we should auto-position the angle for the
|
||
|
|
// labels. Basically we try to find a firection with smallest
|
||
|
|
// (or none) data.
|
||
|
|
$this->SetAutoScaleAngle(false);
|
||
|
|
|
||
|
|
$nlc = count($this->iLegColors);
|
||
|
|
$nlw = count($this->iLegweights);
|
||
|
|
|
||
|
|
// Stroke grid lines for directions and remember the
|
||
|
|
// position for the labels
|
||
|
|
$txtpos=array();
|
||
|
|
$num = count($this->iData);
|
||
|
|
|
||
|
|
$keys = array_keys($this->iData);
|
||
|
|
|
||
|
|
foreach( $this->iData as $dir => $legdata ) {
|
||
|
|
if( in_array($dir,$this->iAllDirectionLabels,true) === true) {
|
||
|
|
$a = $this->iStandardDirections[strtoupper($dir)];
|
||
|
|
if( in_array($a*180/M_PI,$keys) ) {
|
||
|
|
JpGraphError::RaiseL(22009,round($a*180/M_PI));
|
||
|
|
//('You have specified the same direction twice, once with an angle and once with a compass direction ('.$a*180/M_PI.' degrees.)');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
elseif( is_numeric($dir) ) {
|
||
|
|
$this->NormAngle($dir);
|
||
|
|
|
||
|
|
if( $this->iOrdinalEncoding == KEYENCODING_CLOCKWISE ) {
|
||
|
|
$dir = 360-$dir;
|
||
|
|
}
|
||
|
|
|
||
|
|
$a = $dir * M_PI/180;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
JpGraphError::RaiseL(22010);//('Direction must either be a numeric value or one of the 16 compass directions');
|
||
|
|
}
|
||
|
|
|
||
|
|
$xxc = round($xc + cos($a)*$ri);
|
||
|
|
$yyc = round($yc - sin($a)*$ri);
|
||
|
|
$x = round($xc + cos($a)*$r);
|
||
|
|
$y = round($yc - sin($a)*$r);
|
||
|
|
if( empty($this->iRadialColorArray[$dir]) ) {
|
||
|
|
$dblImg->SetColor($this->iGridColor2);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$dblImg->SetColor($this->iRadialColorArray[$dir]);
|
||
|
|
}
|
||
|
|
if( empty($this->iRadialWeightArray[$dir]) ) {
|
||
|
|
$dblImg->SetLineWeight($this->iRadialGridWeight);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$dblImg->SetLineWeight($this->iRadialWeightArray[$dir]);
|
||
|
|
}
|
||
|
|
if( empty($this->iRadialStyleArray[$dir]) ) {
|
||
|
|
$dblImg->SetLineStyle($this->iRadialGridStyle);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$dblImg->SetLineStyle($this->iRadialStyleArray[$dir]);
|
||
|
|
}
|
||
|
|
$dblImg->StyleLine($xxc,$yyc,$x,$y);
|
||
|
|
$txtpos[] = array($x,$y,$a);
|
||
|
|
}
|
||
|
|
$dblImg->SetLineWeight(1);
|
||
|
|
|
||
|
|
// Setup labels
|
||
|
|
$lr = $scaling * $this->iLabelMargin;
|
||
|
|
|
||
|
|
if( $this->iLabelPositioning == LBLPOSITION_EDGE ) {
|
||
|
|
$value->SetAlign('left','top');
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$value->SetAlign('center','center');
|
||
|
|
$value->SetMargin(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
for($i=0; $i < $num; ++$i ) {
|
||
|
|
|
||
|
|
list($x,$y,$a) = $txtpos[$i];
|
||
|
|
|
||
|
|
// Determine the label
|
||
|
|
|
||
|
|
$da = $a*180/M_PI;
|
||
|
|
if( $this->iOrdinalEncoding == KEYENCODING_CLOCKWISE ) {
|
||
|
|
$da = 360 - $da;
|
||
|
|
}
|
||
|
|
|
||
|
|
//$da = 360-$da;
|
||
|
|
|
||
|
|
if( !empty($this->iLabels[$keys[$i]]) ) {
|
||
|
|
$lbl = $this->iLabels[$keys[$i]];
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$lbl = sprintf($this->iLabelFormatString,$da);
|
||
|
|
}
|
||
|
|
|
||
|
|
if( $this->iLabelPositioning == LBLPOSITION_CENTER ) {
|
||
|
|
$dx = $dy = 0;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// LBLPOSIITON_EDGE
|
||
|
|
if( $a>=7*M_PI/4 || $a <= M_PI/4 ) $dx=0;
|
||
|
|
if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dx=($a-M_PI/4)*2/M_PI;
|
||
|
|
if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dx=1;
|
||
|
|
if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dx=(1-($a-M_PI*5/4)*2/M_PI);
|
||
|
|
|
||
|
|
if( $a>=7*M_PI/4 ) $dy=(($a-M_PI)-3*M_PI/4)*2/M_PI;
|
||
|
|
if( $a<=M_PI/4 ) $dy=(0.5+$a*2/M_PI);
|
||
|
|
if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dy=1;
|
||
|
|
if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dy=(1-($a-3*M_PI/4)*2/M_PI);
|
||
|
|
if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dy=0;
|
||
|
|
}
|
||
|
|
|
||
|
|
$value->Set($lbl);
|
||
|
|
$th = $value->GetHeight($dblImg);
|
||
|
|
$tw = $value->GetWidth($dblImg);
|
||
|
|
$xt=round($lr*cos($a)+$x) - $dx*$tw;
|
||
|
|
$yt=round($y-$lr*sin($a)) - $dy*$th;
|
||
|
|
|
||
|
|
$value->Stroke($dblImg,$xt,$yt);
|
||
|
|
}
|
||
|
|
|
||
|
|
if( __DEBUG ) {
|
||
|
|
$dblImg->SetColor('red');
|
||
|
|
$dblImg->Circle($xc,$yc,$lr+$r);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Stroke all the legs
|
||
|
|
reset($this->iData);
|
||
|
|
$i=0;
|
||
|
|
foreach($this->iData as $dir => $legdata) {
|
||
|
|
$legdata = array_slice($legdata,1);
|
||
|
|
$nn = count($legdata);
|
||
|
|
|
||
|
|
$a = $txtpos[$i][2];
|
||
|
|
$rri = $ri/$scaling;
|
||
|
|
for( $j=0; $j < $nn; ++$j ) {
|
||
|
|
// We want the non scaled original radius
|
||
|
|
$legr = $this->scale->RelTranslate($legdata[$j],$r/$scaling,$ri/$scaling) ;
|
||
|
|
$this->_StrokeWindLeg($dblImg, $xc, $yc, $a,
|
||
|
|
$rri *$scaling,
|
||
|
|
$legr *$scaling,
|
||
|
|
$this->iLegweights[$j % $nlw] * $scaling,
|
||
|
|
$this->iLegColors[$j % $nlc]);
|
||
|
|
$rri += $legr;
|
||
|
|
}
|
||
|
|
++$i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Translate potential string specified compass labels to their
|
||
|
|
// corresponding index.
|
||
|
|
function FixupIndexes($aDataArray,$num) {
|
||
|
|
$ret = array();
|
||
|
|
$keys = array_keys($aDataArray);
|
||
|
|
foreach($aDataArray as $idx => $data) {
|
||
|
|
if( is_string($idx) ) {
|
||
|
|
$idx = strtoupper($idx);
|
||
|
|
$res = array_search($idx,$this->iAllDirectionLabels);
|
||
|
|
if( $res === false ) {
|
||
|
|
JpGraphError::RaiseL(22011,$idx); //('Windrose index must be numeric or direction label. You have specified index='.$idx);
|
||
|
|
}
|
||
|
|
$idx = $res;
|
||
|
|
if( $idx % (16 / $num) !== 0 ) {
|
||
|
|
JpGraphError::RaiseL(22012); //('Windrose radial axis specification contains a direction which is not enabled.');
|
||
|
|
}
|
||
|
|
$idx /= (16/$num) ;
|
||
|
|
|
||
|
|
if( in_array($idx,$keys,1) ) {
|
||
|
|
JpgraphError::RaiseL(22013,$idx); //('You have specified the look&feel for the same compass direction twice, once with text and once with index (Index='.$idx.')');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if( $idx < 0 || $idx > 15 ) {
|
||
|
|
JpgraphError::RaiseL(22014); //('Index for copmass direction must be between 0 and 15.');
|
||
|
|
}
|
||
|
|
$ret[$idx] = $data;
|
||
|
|
}
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
function _StrokeRegularRose($dblImg,$value,$scaling,$xc,$yc,$r,$ri) {
|
||
|
|
// _StrokeRegularRose($dblImg,$xc,$yc,$r,$ri)
|
||
|
|
// Plot radial grid lines and remember the end position
|
||
|
|
// and the angle for later use when plotting the labels
|
||
|
|
switch( $this->iType ) {
|
||
|
|
case WINDROSE_TYPE4:
|
||
|
|
$num = 4; break;
|
||
|
|
case WINDROSE_TYPE8:
|
||
|
|
$num = 8; break;
|
||
|
|
case WINDROSE_TYPE16:
|
||
|
|
$num = 16; break;
|
||
|
|
default:
|
||
|
|
JpGraphError::RaiseL(22015);//('You have specified an undefined Windrose plot type.');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check if we should auto-position the angle for the
|
||
|
|
// labels. Basically we try to find a firection with smallest
|
||
|
|
// (or none) data.
|
||
|
|
$this->SetAutoScaleAngle(true);
|
||
|
|
|
||
|
|
$nlc = count($this->iLegColors);
|
||
|
|
$nlw = count($this->iLegweights);
|
||
|
|
|
||
|
|
$this->iRadialColorArray = $this->FixupIndexes($this->iRadialColorArray,$num);
|
||
|
|
$this->iRadialWeightArray = $this->FixupIndexes($this->iRadialWeightArray,$num);
|
||
|
|
$this->iRadialStyleArray = $this->FixupIndexes($this->iRadialStyleArray,$num);
|
||
|
|
|
||
|
|
$txtpos=array();
|
||
|
|
$a = 2*M_PI/$num;
|
||
|
|
$dblImg->SetColor($this->iGridColor2);
|
||
|
|
$dblImg->SetLineStyle($this->iRadialGridStyle);
|
||
|
|
$dblImg->SetLineWeight($this->iRadialGridWeight);
|
||
|
|
|
||
|
|
// Translate any name specified directions to the index
|
||
|
|
// so we can easily use it in the loop below
|
||
|
|
for($i=0; $i < $num; ++$i ) {
|
||
|
|
$xxc = round($xc + cos($a*$i)*$ri);
|
||
|
|
$yyc = round($yc - sin($a*$i)*$ri);
|
||
|
|
$x = round($xc + cos($a*$i)*$r);
|
||
|
|
$y = round($yc - sin($a*$i)*$r);
|
||
|
|
if( empty($this->iRadialColorArray[$i]) ) {
|
||
|
|
$dblImg->SetColor($this->iGridColor2);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$dblImg->SetColor($this->iRadialColorArray[$i]);
|
||
|
|
}
|
||
|
|
if( empty($this->iRadialWeightArray[$i]) ) {
|
||
|
|
$dblImg->SetLineWeight($this->iRadialGridWeight);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$dblImg->SetLineWeight($this->iRadialWeightArray[$i]);
|
||
|
|
}
|
||
|
|
if( empty($this->iRadialStyleArray[$i]) ) {
|
||
|
|
$dblImg->SetLineStyle($this->iRadialGridStyle);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$dblImg->SetLineStyle($this->iRadialStyleArray[$i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
$dblImg->StyleLine($xxc,$yyc,$x,$y);
|
||
|
|
$txtpos[] = array($x,$y,$a*$i);
|
||
|
|
}
|
||
|
|
$dblImg->SetLineWeight(1);
|
||
|
|
|
||
|
|
$lr = $scaling * $this->iLabelMargin;
|
||
|
|
if( $this->iLabelPositioning == LBLPOSITION_CENTER ) {
|
||
|
|
$value->SetAlign('center','center');
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$value->SetAlign('left','top');
|
||
|
|
$value->SetMargin(0);
|
||
|
|
$lr /= 2 ;
|
||
|
|
}
|
||
|
|
|
||
|
|
for($i=0; $i < $num; ++$i ) {
|
||
|
|
list($x,$y,$a) = $txtpos[$i];
|
||
|
|
|
||
|
|
// Set the position of the label
|
||
|
|
if( $this->iLabelPositioning == LBLPOSITION_CENTER ) {
|
||
|
|
$dx = $dy = 0;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// LBLPOSIITON_EDGE
|
||
|
|
if( $a>=7*M_PI/4 || $a <= M_PI/4 ) $dx=0;
|
||
|
|
if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dx=($a-M_PI/4)*2/M_PI;
|
||
|
|
if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dx=1;
|
||
|
|
if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dx=(1-($a-M_PI*5/4)*2/M_PI);
|
||
|
|
|
||
|
|
if( $a>=7*M_PI/4 ) $dy=(($a-M_PI)-3*M_PI/4)*2/M_PI;
|
||
|
|
if( $a<=M_PI/4 ) $dy=(0.5+$a*2/M_PI);
|
||
|
|
if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dy=1;
|
||
|
|
if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dy=(1-($a-3*M_PI/4)*2/M_PI);
|
||
|
|
if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dy=0;
|
||
|
|
}
|
||
|
|
|
||
|
|
$value->Set($this->iAllDirectionLabels[$i*(16/$num)]);
|
||
|
|
$th = $value->GetHeight($dblImg);
|
||
|
|
$tw = $value->GetWidth($dblImg);
|
||
|
|
$xt=round($lr*cos($a)+$x) - $dx*$tw;
|
||
|
|
$yt=round($y-$lr*sin($a)) - $dy*$th;
|
||
|
|
|
||
|
|
$value->Stroke($dblImg,$xt,$yt);
|
||
|
|
}
|
||
|
|
|
||
|
|
if( __DEBUG ) {
|
||
|
|
$dblImg->SetColor("red");
|
||
|
|
$dblImg->Circle($xc,$yc,$lr+$r);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Stroke all the legs
|
||
|
|
reset($this->iData);
|
||
|
|
$keys = array_keys($this->iData);
|
||
|
|
foreach($this->iData as $idx => $legdata) {
|
||
|
|
$legdata = array_slice($legdata,1);
|
||
|
|
$nn = count($legdata);
|
||
|
|
if( is_string($idx) ) {
|
||
|
|
$idx = strtoupper($idx);
|
||
|
|
$idx = array_search($idx,$this->iAllDirectionLabels);
|
||
|
|
if( $idx === false ) {
|
||
|
|
JpGraphError::RaiseL(22016);//('Windrose leg index must be numeric or direction label.');
|
||
|
|
}
|
||
|
|
if( $idx % (16 / $num) !== 0 ) {
|
||
|
|
JpGraphError::RaiseL(22017);//('Windrose data contains a direction which is not enabled. Please adjust what labels are displayed.');
|
||
|
|
}
|
||
|
|
$idx /= (16/$num) ;
|
||
|
|
|
||
|
|
if( in_array($idx,$keys,1) ) {
|
||
|
|
JpgraphError::RaiseL(22018,$idx);//('You have specified data for the same compass direction twice, once with text and once with index (Index='.$idx.')');
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if( $idx < 0 || $idx > 15 ) {
|
||
|
|
JpgraphError::RaiseL(22019);//('Index for direction must be between 0 and 15. You can\'t specify angles for a Regular Windplot, only index and compass directions.');
|
||
|
|
}
|
||
|
|
$a = $idx * (360 / $num) ;
|
||
|
|
$a *= M_PI/180.0;
|
||
|
|
$rri = $ri/$scaling;
|
||
|
|
for( $j=0; $j < $nn; ++$j ) {
|
||
|
|
// We want the non scaled original radius
|
||
|
|
$legr = $this->scale->RelTranslate($legdata[$j], $r/$scaling,$ri/$scaling) ;
|
||
|
|
$this->_StrokeWindLeg($dblImg, $xc, $yc, $a,
|
||
|
|
$rri *$scaling,
|
||
|
|
$legr *$scaling,
|
||
|
|
$this->iLegweights[$j % $nlw] * $scaling,
|
||
|
|
$this->iLegColors[$j % $nlc]);
|
||
|
|
$rri += $legr;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function getWidth($aImg) {
|
||
|
|
|
||
|
|
$scaling = 1;//$this->iAntiAlias ? 2 : 1 ;
|
||
|
|
if( $this->iSize > 0 && $this->iSize < 1 ) {
|
||
|
|
$this->iSize *= min($aImg->width,$aImg->height);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
$value = new Text();
|
||
|
|
$value->SetFont($this->iFontFamily,$this->iFontStyle,$this->iFontSize*$scaling);
|
||
|
|
$value->SetColor($this->iFontColor);
|
||
|
|
// Setup extra size around the graph needed so that the labels
|
||
|
|
// doesn't get cut. For this we need to find the largest label.
|
||
|
|
// The code below gives a possible a little to large margin. The
|
||
|
|
// really, really proper way would be to account for what angle
|
||
|
|
// the label are at
|
||
|
|
$n = count($this->iLabels);
|
||
|
|
if( $n > 0 ) {
|
||
|
|
$maxh=0;$maxw=0;
|
||
|
|
foreach($this->iLabels as $key => $lbl) {
|
||
|
|
$value->Set($lbl);
|
||
|
|
$maxw = max($maxw,$value->GetWidth($aImg));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$value->Set('888.888'); // Dummy value to get width/height
|
||
|
|
$maxw = $value->GetWidth($aImg);
|
||
|
|
}
|
||
|
|
// Add an extra margin of 50% the font size
|
||
|
|
$maxw += round($this->iFontSize*$scaling * 0.4) ;
|
||
|
|
|
||
|
|
$valxmarg = 1.5*$maxw+2*$this->iLabelMargin*$scaling;
|
||
|
|
$w = round($this->iSize*$scaling + $valxmarg);
|
||
|
|
|
||
|
|
// Make sure that the width of the legend fits
|
||
|
|
$legendwidth = $this->_StrokeLegend($aImg,0,0,$scaling,true)+10*$scaling;
|
||
|
|
$w = max($w,$legendwidth);
|
||
|
|
|
||
|
|
return $w;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getHeight($aImg) {
|
||
|
|
|
||
|
|
$scaling = 1;//$this->iAntiAlias ? 2 : 1 ;
|
||
|
|
if( $this->iSize > 0 && $this->iSize < 1 ) {
|
||
|
|
$this->iSize *= min($aImg->width,$aImg->height);
|
||
|
|
}
|
||
|
|
|
||
|
|
$value = new Text();
|
||
|
|
$value->SetFont($this->iFontFamily,$this->iFontStyle,$this->iFontSize*$scaling);
|
||
|
|
$value->SetColor($this->iFontColor);
|
||
|
|
// Setup extra size around the graph needed so that the labels
|
||
|
|
// doesn't get cut. For this we need to find the largest label.
|
||
|
|
// The code below gives a possible a little to large margin. The
|
||
|
|
// really, really proper way would be to account for what angle
|
||
|
|
// the label are at
|
||
|
|
$n = count($this->iLabels);
|
||
|
|
if( $n > 0 ) {
|
||
|
|
$maxh=0;$maxw=0;
|
||
|
|
foreach($this->iLabels as $key => $lbl) {
|
||
|
|
$value->Set($lbl);
|
||
|
|
$maxh = max($maxh,$value->GetHeight($aImg));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$value->Set('180.8'); // Dummy value to get width/height
|
||
|
|
$maxh = $value->GetHeight($aImg);
|
||
|
|
}
|
||
|
|
// Add an extra margin of 50% the font size
|
||
|
|
//$maxh += round($this->iFontSize*$scaling * 0.5) ;
|
||
|
|
$valymarg = 2*$maxh+2*$this->iLabelMargin*$scaling;
|
||
|
|
|
||
|
|
$legendheight = round($this->legend->iShow ? 1 : 0);
|
||
|
|
$legendheight *= max($this->legend->iCircleRadius*2,$this->legend->iTxtFontSize*2)+
|
||
|
|
$this->legend->iMargin + $this->legend->iBottomMargin + 2;
|
||
|
|
$legendheight *= $scaling;
|
||
|
|
$h = round($this->iSize*$scaling + $valymarg) + $legendheight ;
|
||
|
|
|
||
|
|
return $h;
|
||
|
|
}
|
||
|
|
|
||
|
|
function Stroke($aGraph) {
|
||
|
|
|
||
|
|
$aImg = $aGraph->img;
|
||
|
|
|
||
|
|
if( $this->iX > 0 && $this->iX < 1 ) {
|
||
|
|
$this->iX = round( $aImg->width * $this->iX ) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
if( $this->iY > 0 && $this->iY < 1 ) {
|
||
|
|
$this->iY = round( $aImg->height * $this->iY ) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
if( $this->iSize > 0 && $this->iSize < 1 ) {
|
||
|
|
$this->iSize *= min($aImg->width,$aImg->height);
|
||
|
|
}
|
||
|
|
|
||
|
|
if( $this->iCenterSize > 0 && $this->iCenterSize < 1 ) {
|
||
|
|
$this->iCenterSize *= $this->iSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->scale->AutoScale(($this->iSize - $this->iCenterSize)/2, round(2.5*$this->scale->iFontSize));
|
||
|
|
|
||
|
|
$scaling = $this->iAntiAlias ? 2 : 1 ;
|
||
|
|
|
||
|
|
$value = new Text();
|
||
|
|
$value->SetFont($this->iFontFamily,$this->iFontStyle,$this->iFontSize*$scaling);
|
||
|
|
$value->SetColor($this->iFontColor);
|
||
|
|
|
||
|
|
$legendheight = round($this->legend->iShow ? 1 : 0);
|
||
|
|
$legendheight *= max($this->legend->iCircleRadius*2,$this->legend->iTxtFontSize*2)+
|
||
|
|
$this->legend->iMargin + $this->legend->iBottomMargin + 2;
|
||
|
|
$legendheight *= $scaling;
|
||
|
|
|
||
|
|
$w = $scaling*$this->getWidth($aImg);
|
||
|
|
$h = $scaling*$this->getHeight($aImg);
|
||
|
|
|
||
|
|
// Copy back the double buffered image to the proper canvas
|
||
|
|
$ww = $w / $scaling ;
|
||
|
|
$hh = $h / $scaling ;
|
||
|
|
|
||
|
|
// Create the double buffer
|
||
|
|
if( $this->iAntiAlias ) {
|
||
|
|
$dblImg = new RotImage($w,$h);
|
||
|
|
// Set the background color
|
||
|
|
$dblImg->SetColor($this->iColor);
|
||
|
|
$dblImg->FilledRectangle(0,0,$w,$h);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$dblImg = $aImg ;
|
||
|
|
// Make sure the ix and it coordinates correpond to the new top left center
|
||
|
|
$dblImg->SetTranslation($this->iX-$w/2, $this->iY-$h/2);
|
||
|
|
}
|
||
|
|
|
||
|
|
if( __DEBUG ) {
|
||
|
|
$dblImg->SetColor('red');
|
||
|
|
$dblImg->Rectangle(0,0,$w-1,$h-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
$dblImg->SetColor('black');
|
||
|
|
|
||
|
|
if( $this->iShowBox ) {
|
||
|
|
$dblImg->SetColor($this->iBoxColor);
|
||
|
|
$old = $dblImg->SetLineWeight($this->iBoxWeight);
|
||
|
|
$dblImg->SetLineStyle($this->iBoxStyle);
|
||
|
|
$dblImg->Rectangle(0,0,$w-1,$h-1);
|
||
|
|
$dblImg->SetLineWeight($old);
|
||
|
|
}
|
||
|
|
|
||
|
|
$xc = round($w/2);
|
||
|
|
$yc = round(($h-$legendheight)/2);
|
||
|
|
|
||
|
|
if( __DEBUG ) {
|
||
|
|
$dblImg->SetColor('red');
|
||
|
|
$old = $dblImg->SetLineWeight(2);
|
||
|
|
$dblImg->Line($xc-5,$yc-5,$xc+5,$yc+5);
|
||
|
|
$dblImg->Line($xc+5,$yc-5,$xc-5,$yc+5);
|
||
|
|
$dblImg->SetLineWeight($old);
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->iSize *= $scaling;
|
||
|
|
|
||
|
|
// Inner circle size
|
||
|
|
$ri = $this->iCenterSize/2 ;
|
||
|
|
|
||
|
|
// Full circle radius
|
||
|
|
$r = round( $this->iSize/2 );
|
||
|
|
|
||
|
|
// Get number of grid circles
|
||
|
|
$n = $this->scale->GetNumCirc();
|
||
|
|
|
||
|
|
// Plot circle grids
|
||
|
|
$ri *= $scaling ;
|
||
|
|
$rr = round(($r-$ri)/$n);
|
||
|
|
for( $i = 1; $i <= $n; ++$i ) {
|
||
|
|
$this->_ThickCircle($dblImg,$xc,$yc,$rr*$i+$ri,
|
||
|
|
$this->iCircGridWeight,$this->iGridColor1);
|
||
|
|
}
|
||
|
|
|
||
|
|
$num = 0 ;
|
||
|
|
|
||
|
|
if( $this->iType == WINDROSE_TYPEFREE ) {
|
||
|
|
$this->_StrokeFreeRose($dblImg,$value,$scaling,$xc,$yc,$r,$ri);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// Check if we need to re-code the interpretation of the ordinal
|
||
|
|
// number in the data. Internally ordinal value 0 is East and then
|
||
|
|
// counted anti-clockwise. The user might choose an encoding
|
||
|
|
// that have 0 being the first axis to the right of the "N" axis and then
|
||
|
|
// counted clock-wise
|
||
|
|
if( $this->iOrdinalEncoding == KEYENCODING_CLOCKWISE ) {
|
||
|
|
if( $this->iType == WINDROSE_TYPE16 ) {
|
||
|
|
$const1 = 19; $const2 = 16;
|
||
|
|
}
|
||
|
|
elseif( $this->iType == WINDROSE_TYPE8 ) {
|
||
|
|
$const1 = 9; $const2 = 8;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$const1 = 4; $const2 = 4;
|
||
|
|
}
|
||
|
|
$tmp = array();
|
||
|
|
$n=count($this->iData);
|
||
|
|
foreach( $this->iData as $key => $val ) {
|
||
|
|
if( is_numeric($key) ) {
|
||
|
|
$key = ($const1 - $key) % $const2 ;
|
||
|
|
}
|
||
|
|
$tmp[$key] = $val;
|
||
|
|
}
|
||
|
|
$this->iData = $tmp;
|
||
|
|
}
|
||
|
|
$this->_StrokeRegularRose($dblImg,$value,$scaling,$xc,$yc,$r,$ri);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Stroke the labels
|
||
|
|
$this->scale->iFontSize *= $scaling;
|
||
|
|
$this->scale->iZFontSize *= $scaling;
|
||
|
|
$this->scale->StrokeLabels($dblImg,$xc,$yc,$ri,$rr);
|
||
|
|
|
||
|
|
// Stroke the inner circle again since the legs
|
||
|
|
// might have written over it
|
||
|
|
$this->_ThickCircle($dblImg,$xc,$yc,$ri,$this->iCircGridWeight,$this->iGridColor1);
|
||
|
|
|
||
|
|
if( $ww > $aImg->width ) {
|
||
|
|
JpgraphError::RaiseL(22020);
|
||
|
|
//('Windrose plot is too large to fit the specified Graph size. Please use WindrosePlot::SetSize() to make the plot smaller or increase the size of the Graph in the initial WindroseGraph() call.');
|
||
|
|
}
|
||
|
|
|
||
|
|
$x = $xc;
|
||
|
|
$y = $h;
|
||
|
|
$this->_StrokeLegend($dblImg,$x,$y,$scaling);
|
||
|
|
|
||
|
|
if( $this->iAntiAlias ) {
|
||
|
|
$aImg->Copy($dblImg->img, $this->iX-$ww/2, $this->iY-$hh/2, 0, 0, $ww,$hh, $w,$h);
|
||
|
|
}
|
||
|
|
|
||
|
|
// We need to restore the translation matrix
|
||
|
|
$aImg->SetTranslation(0,0);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//============================================================
|
||
|
|
// CLASS WindroseGraph
|
||
|
|
//============================================================
|
||
|
|
class WindroseGraph extends Graph {
|
||
|
|
private $posx, $posy;
|
||
|
|
public $plots=array();
|
||
|
|
|
||
|
|
function __construct($width=300,$height=200,$cachedName="",$timeout=0,$inline=1) {
|
||
|
|
parent::__construct($width,$height,$cachedName,$timeout,$inline);
|
||
|
|
$this->posx=$width/2;
|
||
|
|
$this->posy=$height/2;
|
||
|
|
$this->SetColor('white');
|
||
|
|
$this->title->SetFont(FF_VERDANA,FS_NORMAL,12);
|
||
|
|
$this->title->SetMargin(8);
|
||
|
|
$this->subtitle->SetFont(FF_VERDANA,FS_NORMAL,10);
|
||
|
|
$this->subtitle->SetMargin(0);
|
||
|
|
$this->subsubtitle->SetFont(FF_VERDANA,FS_NORMAL,8);
|
||
|
|
$this->subsubtitle->SetMargin(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
function StrokeTexts() {
|
||
|
|
if( $this->texts != null ) {
|
||
|
|
$n = count($this->texts);
|
||
|
|
for($i=0; $i < $n; ++$i ) {
|
||
|
|
$this->texts[$i]->Stroke($this->img);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function StrokeIcons() {
|
||
|
|
if( $this->iIcons != null ) {
|
||
|
|
$n = count($this->iIcons);
|
||
|
|
for( $i=0; $i < $n; ++$i ) {
|
||
|
|
// Since Windrose graphs doesn't have any linear scale the position of
|
||
|
|
// each icon has to be given as absolute coordinates
|
||
|
|
$this->iIcons[$i]->_Stroke($this->img);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//---------------
|
||
|
|
// PUBLIC METHODS
|
||
|
|
function Add($aObj) {
|
||
|
|
if( is_array($aObj) && count($aObj) > 0 ) {
|
||
|
|
$cl = $aObj[0];
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$cl = $aObj;
|
||
|
|
}
|
||
|
|
if( $cl instanceof Text ) {
|
||
|
|
$this->AddText($aObj);
|
||
|
|
}
|
||
|
|
elseif( $cl instanceof IconPlot ) {
|
||
|
|
$this->AddIcon($aObj);
|
||
|
|
}
|
||
|
|
elseif( ($cl instanceof WindrosePlot) || ($cl instanceof LayoutRect) || ($cl instanceof LayoutHor)) {
|
||
|
|
$this->plots[] = $aObj;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
JpgraphError::RaiseL(22021);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function AddText($aTxt,$aToY2=false) {
|
||
|
|
parent::AddText($aTxt);
|
||
|
|
}
|
||
|
|
|
||
|
|
function SetColor($c) {
|
||
|
|
$this->SetMarginColor($c);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Method description
|
||
|
|
function Stroke($aStrokeFileName="") {
|
||
|
|
|
||
|
|
// If the filename is the predefined value = '_csim_special_'
|
||
|
|
// we assume that the call to stroke only needs to do enough
|
||
|
|
// to correctly generate the CSIM maps.
|
||
|
|
// We use this variable to skip things we don't strictly need
|
||
|
|
// to do to generate the image map to improve performance
|
||
|
|
// as best we can. Therefore you will see a lot of tests !$_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;
|
||
|
|
|
||
|
|
if( $this->background_image != "" || $this->background_cflag != "" ) {
|
||
|
|
$this->StrokeFrameBackground();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$this->StrokeFrame();
|
||
|
|
}
|
||
|
|
|
||
|
|
// n holds number of plots
|
||
|
|
$n = count($this->plots);
|
||
|
|
for($i=0; $i < $n ; ++$i) {
|
||
|
|
$this->plots[$i]->Stroke($this);
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->footer->Stroke($this->img);
|
||
|
|
$this->StrokeIcons();
|
||
|
|
$this->StrokeTexts();
|
||
|
|
$this->StrokeTitles();
|
||
|
|
|
||
|
|
// If the filename is given as the special "__handle"
|
||
|
|
// then the image handler is returned and the image is NOT
|
||
|
|
// streamed back
|
||
|
|
if( $aStrokeFileName == _IMG_HANDLER ) {
|
||
|
|
return $this->img->img;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// Finally stream the generated picture
|
||
|
|
$this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,
|
||
|
|
$aStrokeFileName);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} // Class
|
||
|
|
|
||
|
|
?>
|