Viewing file: barscalecallbackex1.php (1.78 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?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(); ?>
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