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-rw-r--r--html/jpgraph/jpgraph_error.php157
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diff --git a/html/jpgraph/jpgraph_error.php b/html/jpgraph/jpgraph_error.php
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--- a/html/jpgraph/jpgraph_error.php
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-<?php
-/*=======================================================================
- // File: JPGRAPH_ERROR.PHP
- // Description: Error plot extension for JpGraph
- // Created: 2001-01-08
- // Ver: $Id: jpgraph_error.php 1106 2009-02-22 20:16:35Z ljp $
- //
- // Copyright (c) Asial Corporation. All rights reserved.
- //========================================================================
- */
-
-//===================================================
-// CLASS ErrorPlot
-// Description: Error plot with min/max value for
-// each datapoint
-//===================================================
-class ErrorPlot extends Plot {
- private $errwidth=2;
-
- //---------------
- // CONSTRUCTOR
- function __construct($datay,$datax=false) {
- parent::__construct($datay,$datax);
- $this->numpoints /= 2;
- }
- //---------------
- // PUBLIC METHODS
-
- // Gets called before any axis are stroked
- function PreStrokeAdjust($graph) {
- if( $this->center ) {
- $a=0.5; $b=0.5;
- ++$this->numpoints;
- } else {
- $a=0; $b=0;
- }
- $graph->xaxis->scale->ticks->SetXLabelOffset($a);
- $graph->SetTextScaleOff($b);
- //$graph->xaxis->scale->ticks->SupressMinorTickMarks();
- }
-
- // Method description
- function Stroke($img,$xscale,$yscale) {
- $numpoints=count($this->coords[0])/2;
- $img->SetColor($this->color);
- $img->SetLineWeight($this->weight);
-
- if( isset($this->coords[1]) ) {
- if( count($this->coords[1])!=$numpoints )
- JpGraphError::RaiseL(2003,count($this->coords[1]),$numpoints);
- //("Number of X and Y points are not equal. Number of X-points:".count($this->coords[1])." Number of Y-points:$numpoints");
- else
- $exist_x = true;
- }
- else
- $exist_x = false;
-
- for( $i=0; $i<$numpoints; ++$i) {
- if( $exist_x )
- $x=$this->coords[1][$i];
- else
- $x=$i;
-
- if( !is_numeric($x) ||
- !is_numeric($this->coords[0][$i*2]) || !is_numeric($this->coords[0][$i*2+1]) ) {
- continue;
- }
-
- $xt = $xscale->Translate($x);
- $yt1 = $yscale->Translate($this->coords[0][$i*2]);
- $yt2 = $yscale->Translate($this->coords[0][$i*2+1]);
- $img->Line($xt,$yt1,$xt,$yt2);
- $img->Line($xt-$this->errwidth,$yt1,$xt+$this->errwidth,$yt1);
- $img->Line($xt-$this->errwidth,$yt2,$xt+$this->errwidth,$yt2);
- }
- return true;
- }
-} // Class
-
-
-//===================================================
-// CLASS ErrorLinePlot
-// Description: Combine a line and error plot
-// THIS IS A DEPRECATED PLOT TYPE JUST KEPT FOR
-// BACKWARD COMPATIBILITY
-//===================================================
-class ErrorLinePlot extends ErrorPlot {
- public $line=null;
- //---------------
- // CONSTRUCTOR
- function __construct($datay,$datax=false) {
- parent::__construct($datay,$datax);
- // Calculate line coordinates as the average of the error limits
- $n = count($datay);
- for($i=0; $i < $n; $i+=2 ) {
- $ly[]=($datay[$i]+$datay[$i+1])/2;
- }
- $this->line=new LinePlot($ly,$datax);
- }
-
- //---------------
- // PUBLIC METHODS
- function Legend($graph) {
- if( $this->legend != "" )
- $graph->legend->Add($this->legend,$this->color);
- $this->line->Legend($graph);
- }
-
- function Stroke($img,$xscale,$yscale) {
- parent::Stroke($img,$xscale,$yscale);
- $this->line->Stroke($img,$xscale,$yscale);
- }
-} // Class
-
-
-//===================================================
-// CLASS LineErrorPlot
-// Description: Combine a line and error plot
-//===================================================
-class LineErrorPlot extends ErrorPlot {
- public $line=null;
- //---------------
- // CONSTRUCTOR
- // Data is (val, errdeltamin, errdeltamax)
- function __construct($datay,$datax=false) {
- $ly=array(); $ey=array();
- $n = count($datay);
- if( $n % 3 != 0 ) {
- JpGraphError::RaiseL(4002);
- //('Error in input data to LineErrorPlot. Number of data points must be a multiple of 3');
- }
- for($i=0; $i < $n; $i+=3 ) {
- $ly[]=$datay[$i];
- $ey[]=$datay[$i]+$datay[$i+1];
- $ey[]=$datay[$i]+$datay[$i+2];
- }
- parent::__construct($ey,$datax);
- $this->line=new LinePlot($ly,$datax);
- }
-
- //---------------
- // PUBLIC METHODS
- function Legend($graph) {
- if( $this->legend != "" )
- $graph->legend->Add($this->legend,$this->color);
- $this->line->Legend($graph);
- }
-
- function Stroke($img,$xscale,$yscale) {
- parent::Stroke($img,$xscale,$yscale);
- $this->line->Stroke($img,$xscale,$yscale);
- }
-} // Class
-
-
-/* EOF */
-?>