60 lines
1.8 KiB
PHP
60 lines
1.8 KiB
PHP
<?php
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// $Id: barscalecallbackex1.php,v 1.2 2002/07/11 23:27:28 aditus Exp $
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include ("../jpgraph.php");
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include ("../jpgraph_bar.php");
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// Callback function for Y-scale
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function yScaleCallback($aVal) {
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return number_format($aVal);
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}
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// Some data
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$datay=array(120567,134013,192000,87000);
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// Create the graph and setup the basic parameters
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$graph = new Graph(460,200,'auto');
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$graph->img->SetMargin(80,30,30,40);
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$graph->SetScale("textint");
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$graph->SetShadow();
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$graph->SetFrame(false); // No border around the graph
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// Add some grace to the top so that the scale doesn't
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// end exactly at the max value.
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// Since we are using integer scale the gace gets intervalled
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// to adding integer values.
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// For example grace 10 to 100 will add 1 to max, 101-200 adds 2
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// and so on...
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$graph->yaxis->scale->SetGrace(30);
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$graph->yaxis->SetLabelFormatCallback('yScaleCallback');
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// Setup X-axis labels
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$a = $gDateLocale->GetShortMonth();
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$graph->xaxis->SetTickLabels($a);
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$graph->xaxis->SetFont(FF_FONT2);
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// Setup graph title ands fonts
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$graph->title->Set("Example of Y-scale callback formatting");
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$graph->title->SetFont(FF_FONT2,FS_BOLD);
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$graph->xaxis->title->Set("Year 2002");
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$graph->xaxis->title->SetFont(FF_FONT2,FS_BOLD);
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// Create a bar pot
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$bplot = new BarPlot($datay);
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$bplot->SetFillColor("orange");
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$bplot->SetWidth(0.5);
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$bplot->SetShadow();
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// Setup the values that are displayed on top of each bar
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$bplot->value->Show();
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// Must use TTF fonts if we want text at an arbitrary angle
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$bplot->value->SetFont(FF_ARIAL,FS_BOLD);
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$bplot->value->SetAngle(45);
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$bplot->value->SetFormat('$ %0.0f');
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// Black color for positive values and darkred for negative values
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$bplot->value->SetColor("black","darkred");
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$graph->Add($bplot);
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// Finally stroke the graph
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$graph->Stroke();
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?>
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