Inizializzazione

jpgraph-3.5.0b1/src/Examples/horizbarex6.php

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+<?php // content="text/plain; charset=utf-8"
+require_once ('jpgraph/jpgraph.php');
+require_once ('jpgraph/jpgraph_bar.php');
+
+$datay=array(2,3,5,8,12,6,3);
+$datax=array("320x240","640x480","600x800","1024x768","1280x1024(16)","1280x1024(32)",
+	     "1600x1200(32)");
+
+// Size of graph
+$width=300; 
+$height=400;
+
+// Set the basic parameters of the graph 
+$graph = new Graph($width,$height,'auto');
+$graph->SetScale("textlin");
+
+// No frame around the image
+$graph->SetFrame(false);
+
+// Rotate graph 90 degrees and set margin
+$graph->Set90AndMargin(100,20,50,30);
+
+// Set white margin color
+$graph->SetMarginColor('white');
+
+// Use a box around the plot area
+$graph->SetBox();
+
+// Use a gradient to fill the plot area
+$graph->SetBackgroundGradient('white','lightblue',GRAD_HOR,BGRAD_PLOT);
+
+// Setup title
+$graph->title->Set("Graphic card performance");
+$graph->title->SetFont(FF_VERDANA,FS_BOLD,11);
+$graph->subtitle->Set("(Non optimized)");
+
+// Setup X-axis
+$graph->xaxis->SetTickLabels($datax);
+$graph->xaxis->SetFont(FF_VERDANA,FS_NORMAL,8);
+
+// Some extra margin looks nicer
+$graph->xaxis->SetLabelMargin(10);
+
+// Label align for X-axis
+$graph->xaxis->SetLabelAlign('right','center');
+
+// Add some grace to y-axis so the bars doesn't go
+// all the way to the end of the plot area
+$graph->yaxis->scale->SetGrace(20);
+
+// We don't want to display Y-axis
+$graph->yaxis->Hide();
+
+// Now create a bar pot
+$bplot = new BarPlot($datay);
+$bplot->SetShadow();
+
+//You can change the width of the bars if you like
+//$bplot->SetWidth(0.5);
+
+// Set gradient fill for bars
+$bplot->SetFillGradient('darkred','yellow',GRAD_HOR);
+
+// We want to display the value of each bar at the top
+$bplot->value->Show();
+$bplot->value->SetFont(FF_ARIAL,FS_BOLD,10);
+//$bplot->value->SetAlign('left','center');
+$bplot->value->SetColor("white");
+$bplot->value->SetFormat('%.1f');
+$bplot->SetValuePos('max');
+
+// Add the bar to the graph
+$graph->Add($bplot);
+
+// Add some explanation text
+$txt = new Text('Note: Higher value is better.');
+$txt->SetPos(190,399,'center','bottom');
+$txt->SetFont(FF_ARIAL,FS_NORMAL,8);
+$graph->Add($txt);
+
+// .. and stroke the graph
+$graph->Stroke();
+?>