Asial

JpGraph サンプル

grace_ex1.php

<?php // content="text/plain; charset=utf-8"
require_once ("jpgraph/jpgraph.php");
require_once ("jpgraph/jpgraph_bar.php");

// Some data
$datay=array(7,19,11,4,20);

// Create the graph and setup the basic parameters 
$graph = new Graph(300,200,'auto');	
$graph->img->SetMargin(40,30,40,50);
$graph->SetScale("textint");
$graph->SetFrame(true,'blue',1); 
$graph->SetColor('lightblue');
$graph->SetMarginColor('lightblue');

// Setup X-axis labels
$a = $gDateLocale->GetShortMonth();
$graph->xaxis->SetTickLabels($a);
$graph->xaxis->SetFont(FF_FONT1);
$graph->xaxis->SetColor('darkblue','black');

// Setup "hidden" y-axis by given it the same color
// as the background (this could also be done by setting the weight
// to zero)
$graph->yaxis->SetColor('lightblue','darkblue');
$graph->ygrid->SetColor('white');

// Setup graph title ands fonts
$graph->title->Set('Using grace = 10%');
$graph->title->SetFont(FF_FONT2,FS_BOLD);
$graph->xaxis->SetTitle('Year 2002','center');
$graph->xaxis->SetTitleMargin(10);
$graph->xaxis->title->SetFont(FF_FONT2,FS_BOLD);

// Add some grace to the top so that the scale doesn't
// end exactly at the max value. 
$graph->yaxis->scale->SetGrace(10);

                              
// Create a bar pot
$bplot = new BarPlot($datay);
$bplot->SetFillColor('darkblue');
$bplot->SetColor('darkblue');
$bplot->SetWidth(0.5);
$bplot->SetShadow('darkgray');

// Setup the values that are displayed on top of each bar
// Must use TTF fonts if we want text at an arbitrary angle
$bplot->value->Show();
$bplot->value->SetFont(FF_ARIAL,FS_NORMAL,8);
$bplot->value->SetFormat('$%d');
$bplot->value->SetColor('darkred');
$bplot->value->SetAngle(45);
$graph->Add($bplot);

// Finally stroke the graph
$graph->Stroke();
?>