logbarex1.php
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<?php // content="text/plain; charset=utf-8"
// $Id: logbarex1.php,v 1.4 2003/05/30 20:12:43 aditus Exp $
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_log.php');
require_once ('jpgraph/jpgraph_bar.php');
$datay=array(4,13,30,28,12,45,30,12,55,3,0.5);
$datax=array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov");
// Create the graph.
$graph = new Graph(400,220,'auto');
$graph->clearTheme();
//$graph->img->SetMargin(50,30,50,50);
$graph->SetScale("textlog");
//$graph->SetShadow();
// Setup titles for graph and axis
$graph->title->Set("Bar with logarithmic Y-scale");
$graph->title->SetFont(FF_VERDANA,FS_NORMAL,18);
$graph->xaxis->SetTitle("2002");
$graph->xaxis->title->SetFont(FF_ARIAL,FS_NORMAL,16);
$graph->yaxis->title->SetFont(FF_ARIAL,FS_NORMAL,16);
$graph->yaxis->SetTitle("Y-title",'center');
$graph->yaxis->SetTitleMargin(30);
// Setup month on X-scale
//$graph->xaxis->SetTickLabels($datax);
// Create a bar pot
$bplot = new BarPlot($datay);
$bplot->SetFillColor("orange");
//You can also set a manual base of the bars
//$bplot->SetYBase(0.001);
/*
$bplot->SetShadow();
$bplot->value->Show();
$bplot->value->SetFont(FF_ARIAL,FS_BOLD);
$bplot->value->SetAngle(45);
$bplot->value->SetColor("black","darkred");
*/
$graph->Add($bplot);
$graph->Stroke();
?>