Subversion-Projekte lars-tiefland.php_share

<?php

// $Id: barscalecallbackex1.php,v 1.2 2002/07/11 23:27:28 aditus Exp $

include ("../jpgraph.php");

include ("../jpgraph_bar.php");

// Callback function for Y-scale

function yScaleCallback($aVal) {

	return number_format($aVal);

}

// Some data

$datay=array(120567,134013,192000,87000);

// Create the graph and setup the basic parameters

$graph = new Graph(460,200,'auto');

$graph->img->SetMargin(80,30,30,40);

$graph->SetScale("textint");

$graph->SetShadow();

$graph->SetFrame(false); // No border around the graph

// Add some grace to the top so that the scale doesn't

// end exactly at the max value.

// Since we are using integer scale the gace gets intervalled

// to adding integer values.

// For example grace 10 to 100 will add 1 to max, 101-200 adds 2

// and so on...

$graph->yaxis->scale->SetGrace(30);

$graph->yaxis->SetLabelFormatCallback('yScaleCallback');

// Setup X-axis labels

$a = $gDateLocale->GetShortMonth();

$graph->xaxis->SetTickLabels($a);

$graph->xaxis->SetFont(FF_FONT2);

// Setup graph title ands fonts

$graph->title->Set("Example of Y-scale callback formatting");

$graph->title->SetFont(FF_FONT2,FS_BOLD);

$graph->xaxis->title->Set("Year 2002");

$graph->xaxis->title->SetFont(FF_FONT2,FS_BOLD);

// Create a bar pot

$bplot = new BarPlot($datay);

$bplot->SetFillColor("orange");

$bplot->SetWidth(0.5);

$bplot->SetShadow();

// Setup the values that are displayed on top of each bar

$bplot->value->Show();

// Must use TTF fonts if we want text at an arbitrary angle

$bplot->value->SetFont(FF_ARIAL,FS_BOLD);

$bplot->value->SetAngle(45);

$bplot->value->SetFormat('$ %0.0f');

// Black color for positive values and darkred for negative values

$bplot->value->SetColor("black","darkred");

$graph->Add($bplot);

// Finally stroke the graph

$graph->Stroke();

?>