Inizializzazione

jpgraph-3.5.0b1/src/Examples/linebarex1.php

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+<?php // content="text/plain; charset=utf-8"
+require_once ('jpgraph/jpgraph.php');
+require_once ('jpgraph/jpgraph_line.php');
+require_once ('jpgraph/jpgraph_bar.php');
+
+$month=array(
+"Jan","Feb","Mar","Apr","Maj","Jun","Jul","Aug","Sep","Okt","Nov","Dec");
+
+// Create datapoints where every point
+$steps=100;
+for($i=0; $i<$steps; ++$i) {
+	$datay[$i]=log(pow($i,$i/10)+1)*sin($i/15)+35;
+	$databarx[]=sprintf("198%d %s",floor($i/12),$month[$i%12]);
+	
+	// Simulate an accumulated value for every 5:th data point
+	if( $i % 6 == 0 ) {
+		$databary[]=abs(25*sin($i)+5);
+	}
+	else {
+		$databary[]=0;
+	}
+	
+}
+
+
+// New graph with a background image and drop shadow
+$graph = new Graph(450,300);
+$graph->SetBackgroundImage("tiger_bkg.png",BGIMG_FILLFRAME);
+$graph->SetShadow();
+
+// Use an integer X-scale
+$graph->SetScale("textlin");
+
+// Set title and subtitle
+$graph->title->Set("Combined bar and line plot");
+$graph->subtitle->Set("100 data points, X-Scale: 'text'");
+
+// Use built in font
+$graph->title->SetFont(FF_FONT1,FS_BOLD);
+
+// Make the margin around the plot a little bit bigger
+// then default
+$graph->img->SetMargin(40,140,40,80);	
+
+// Slightly adjust the legend from it's default position in the
+// top right corner to middle right side
+$graph->legend->Pos(0.05,0.5,"right","center");
+
+// Display every 10:th datalabel
+$graph->xaxis->SetTextTickInterval(6);
+$graph->xaxis->SetTextLabelInterval(2);
+$graph->xaxis->SetTickLabels($databarx);
+$graph->xaxis->SetLabelAngle(90);
+
+// Create a red line plot
+$p1 = new LinePlot($datay);
+$p1->SetColor("red");
+$p1->SetLegend("Pressure");
+
+// Create the bar plot
+$b1 = new BarPlot($databary);
+$b1->SetLegend("Temperature");
+$b1->SetAbsWidth(6);
+$b1->SetShadow();
+
+// The order the plots are added determines who's ontop
+$graph->Add($p1);
+$graph->Add($b1);
+
+// Finally output the  image
+$graph->Stroke();
+
+?>
+
+