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-rw-r--r--html/jpgraph/jpgraph_scatter.php242
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diff --git a/html/jpgraph/jpgraph_scatter.php b/html/jpgraph/jpgraph_scatter.php
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--- a/html/jpgraph/jpgraph_scatter.php
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-<?php
-/*=======================================================================
- // File: JPGRAPH_SCATTER.PHP
- // Description: Scatter (and impuls) plot extension for JpGraph
- // Created: 2001-02-11
- // Ver: $Id: jpgraph_scatter.php 1397 2009-06-27 21:34:14Z ljp $
- //
- // Copyright (c) Asial Corporation. All rights reserved.
- //========================================================================
- */
-require_once ('jpgraph_plotmark.inc.php');
-
-//===================================================
-// CLASS FieldArrow
-// Description: Draw an arrow at (x,y) with angle a
-//===================================================
-class FieldArrow {
- public $iColor='black';
- public $iSize=10; // Length in pixels for arrow
- public $iArrowSize = 2;
- private $isizespec = array(
- array(2,1),array(3,2),array(4,3),array(6,4),array(7,4),array(8,5),array(10,6),array(12,7),array(16,8),array(20,10)
- );
- function __construct() {
- // Empty
- }
-
- function SetSize($aSize,$aArrowSize=2) {
- $this->iSize = $aSize;
- $this->iArrowSize = $aArrowSize;
- }
-
- function SetColor($aColor) {
- $this->iColor = $aColor;
- }
-
- function Stroke($aImg,$x,$y,$a) {
- // First rotate the center coordinates
- list($x,$y) = $aImg->Rotate($x,$y);
-
- $old_origin = $aImg->SetCenter($x,$y);
- $old_a = $aImg->a;
- $aImg->SetAngle(-$a+$old_a);
-
- $dx = round($this->iSize/2);
- $c = array($x-$dx,$y,$x+$dx,$y);
- $x += $dx;
-
- list($dx,$dy) = $this->isizespec[$this->iArrowSize];
- $ca = array($x,$y,$x-$dx,$y-$dy,$x-$dx,$y+$dy,$x,$y);
-
- $aImg->SetColor($this->iColor);
- $aImg->Polygon($c);
- $aImg->FilledPolygon($ca);
-
- $aImg->SetCenter($old_origin[0],$old_origin[1]);
- $aImg->SetAngle($old_a);
- }
-}
-
-//===================================================
-// CLASS FieldPlot
-// Description: Render a field plot
-//===================================================
-class FieldPlot extends Plot {
- public $arrow = '';
- private $iAngles = array();
- private $iCallback = '';
-
- function __construct($datay,$datax,$angles) {
- if( (count($datax) != count($datay)) )
- JpGraphError::RaiseL(20001);//("Fieldplots must have equal number of X and Y points.");
- if( (count($datax) != count($angles)) )
- JpGraphError::RaiseL(20002);//("Fieldplots must have an angle specified for each X and Y points.");
-
- $this->iAngles = $angles;
-
- parent::__construct($datay,$datax);
- $this->value->SetAlign('center','center');
- $this->value->SetMargin(15);
-
- $this->arrow = new FieldArrow();
- }
-
- function SetCallback($aFunc) {
- $this->iCallback = $aFunc;
- }
-
- function Stroke($img,$xscale,$yscale) {
-
- // Remeber base color and size
- $bc = $this->arrow->iColor;
- $bs = $this->arrow->iSize;
- $bas = $this->arrow->iArrowSize;
-
- for( $i=0; $i<$this->numpoints; ++$i ) {
- // Skip null values
- if( $this->coords[0][$i]==="" )
- continue;
-
- $f = $this->iCallback;
- if( $f != "" ) {
- list($cc,$cs,$cas) = call_user_func($f,$this->coords[1][$i],$this->coords[0][$i],$this->iAngles[$i]);
- // Fall back on global data if the callback isn't set
- if( $cc == "" ) $cc = $bc;
- if( $cs == "" ) $cs = $bs;
- if( $cas == "" ) $cas = $bas;
- $this->arrow->SetColor($cc);
- $this->arrow->SetSize($cs,$cas);
- }
-
- $xt = $xscale->Translate($this->coords[1][$i]);
- $yt = $yscale->Translate($this->coords[0][$i]);
-
- $this->arrow->Stroke($img,$xt,$yt,$this->iAngles[$i]);
- $this->value->Stroke($img,$this->coords[0][$i],$xt,$yt);
- }
- }
-
- // Framework function
- function Legend($aGraph) {
- if( $this->legend != "" ) {
- $aGraph->legend->Add($this->legend,$this->mark->fill_color,$this->mark,0,
- $this->legendcsimtarget,$this->legendcsimalt,$this->legendcsimwintarget);
- }
- }
-}
-
-//===================================================
-// CLASS ScatterPlot
-// Description: Render X and Y plots
-//===================================================
-class ScatterPlot extends Plot {
- public $mark,$link;
- private $impuls = false;
- //---------------
- // CONSTRUCTOR
- function __construct($datay,$datax=false) {
- if( (count($datax) != count($datay)) && is_array($datax)) {
- JpGraphError::RaiseL(20003);//("Scatterplot must have equal number of X and Y points.");
- }
- parent::__construct($datay,$datax);
- $this->mark = new PlotMark();
- $this->mark->SetType(MARK_SQUARE);
- $this->mark->SetColor($this->color);
- $this->value->SetAlign('center','center');
- $this->value->SetMargin(0);
- $this->link = new LineProperty(1,'black','solid');
- $this->link->iShow = false;
- }
-
- //---------------
- // PUBLIC METHODS
- function SetImpuls($f=true) {
- $this->impuls = $f;
- }
-
- function SetStem($f=true) {
- $this->impuls = $f;
- }
-
- // Combine the scatter plot points with a line
- function SetLinkPoints($aFlag=true,$aColor="black",$aWeight=1,$aStyle='solid') {
- $this->link->iShow = $aFlag;
- $this->link->iColor = $aColor;
- $this->link->iWeight = $aWeight;
- $this->link->iStyle = $aStyle;
- }
-
- function Stroke($img,$xscale,$yscale) {
-
- $ymin=$yscale->scale_abs[0];
- if( $yscale->scale[0] < 0 )
- $yzero=$yscale->Translate(0);
- else
- $yzero=$yscale->scale_abs[0];
-
- $this->csimareas = '';
- for( $i=0; $i<$this->numpoints; ++$i ) {
-
- // Skip null values
- if( $this->coords[0][$i]==='' || $this->coords[0][$i]==='-' || $this->coords[0][$i]==='x')
- continue;
-
- if( isset($this->coords[1]) )
- $xt = $xscale->Translate($this->coords[1][$i]);
- else
- $xt = $xscale->Translate($i);
- $yt = $yscale->Translate($this->coords[0][$i]);
-
-
- if( $this->link->iShow && isset($yt_old) ) {
- $img->SetColor($this->link->iColor);
- $img->SetLineWeight($this->link->iWeight);
- $old = $img->SetLineStyle($this->link->iStyle);
- $img->StyleLine($xt_old,$yt_old,$xt,$yt);
- $img->SetLineStyle($old);
- }
-
- if( $this->impuls ) {
- $img->SetColor($this->color);
- $img->SetLineWeight($this->weight);
- $img->Line($xt,$yzero,$xt,$yt);
- }
-
- if( !empty($this->csimtargets[$i]) ) {
- if( !empty($this->csimwintargets[$i]) ) {
- $this->mark->SetCSIMTarget($this->csimtargets[$i],$this->csimwintargets[$i]);
- }
- else {
- $this->mark->SetCSIMTarget($this->csimtargets[$i]);
- }
- $this->mark->SetCSIMAlt($this->csimalts[$i]);
- }
-
- if( isset($this->coords[1]) ) {
- $this->mark->SetCSIMAltVal($this->coords[0][$i],$this->coords[1][$i]);
- }
- else {
- $this->mark->SetCSIMAltVal($this->coords[0][$i],$i);
- }
-
- $this->mark->Stroke($img,$xt,$yt);
-
- $this->csimareas .= $this->mark->GetCSIMAreas();
- $this->value->Stroke($img,$this->coords[0][$i],$xt,$yt);
-
- $xt_old = $xt;
- $yt_old = $yt;
- }
- }
-
- // Framework function
- function Legend($aGraph) {
- if( $this->legend != "" ) {
- $aGraph->legend->Add($this->legend,$this->mark->fill_color,$this->mark,0,
- $this->legendcsimtarget,$this->legendcsimalt,$this->legendcsimwintarget);
- }
- }
-} // Class
-/* EOF */
-?>
generated by cgit (git 2.34.1) at 2025-06-15 22:07:14 +0000