import v1.0.0-RC4 | 2009-05-20

2019-07-17 22:08:50 +02:00
commit b484e522e8
2459 changed files with 1038434 additions and 0 deletions
--- a/libs/jpgraph/jpgraph_error.php
+++ b/libs/jpgraph/jpgraph_error.php
@ -0,0 +1,156 @@
+<?php
+/*=======================================================================
+// File: 	JPGRAPH_ERROR.PHP
+// Description:	Error plot extension for JpGraph
+// Created: 	2001-01-08
+// Ver:		$Id: jpgraph_error.php 781 2006-10-08 08:07:47Z ljp $
+//
+// Copyright (c) Aditus Consulting. All rights reserved.
+//========================================================================
+*/
+
+//===================================================
+// CLASS ErrorPlot
+// Description: Error plot with min/max value for
+// each datapoint
+//===================================================
+class ErrorPlot extends Plot {
+    private $errwidth=2;
+//---------------
+// CONSTRUCTOR
+    function ErrorPlot($datay,$datax=false) {
+	$this->Plot($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 $line=null;
+//---------------
+// CONSTRUCTOR
+    function ErrorLinePlot($datay,$datax=false) {
+	$this->ErrorPlot($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 $line=null;
+//---------------
+// CONSTRUCTOR
+    // Data is (val, errdeltamin, errdeltamax)
+    function LineErrorPlot($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];
+	}		
+	$this->ErrorPlot($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 */
+?>