[42] | 1 | <?php // content="text/plain; charset=utf-8" |
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| 2 | require_once ('jpgraph/jpgraph.php'); |
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| 3 | require_once ('jpgraph/jpgraph_bar.php'); |
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| 4 | |
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| 5 | // Callback function for Y-scale to get 1000 separator on labels |
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| 6 | function separator1000($aVal) { |
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| 7 | return number_format($aVal); |
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| 8 | } |
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| 9 | |
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| 10 | function separator1000_usd($aVal) { |
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| 11 | return '$'.number_format($aVal); |
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| 12 | } |
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| 13 | |
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| 14 | // Some data |
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| 15 | $datay=array(120567,134013,192000,87000); |
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| 16 | |
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| 17 | // Create the graph and setup the basic parameters |
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| 18 | $graph = new Graph(500,300,'auto'); |
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| 19 | $graph->img->SetMargin(80,30,30,40); |
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| 20 | $graph->SetScale('textint'); |
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| 21 | $graph->SetShadow(); |
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| 22 | $graph->SetFrame(false); // No border around the graph |
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| 23 | |
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| 24 | // Add some grace to the top so that the scale doesn't |
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| 25 | // end exactly at the max value. |
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| 26 | // The grace value is the percetage of additional scale |
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| 27 | // value we add. Specifying 50 means that we add 50% of the |
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| 28 | // max value |
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| 29 | $graph->yaxis->scale->SetGrace(50); |
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| 30 | $graph->yaxis->SetLabelFormatCallback('separator1000'); |
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| 31 | |
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| 32 | // Setup X-axis labels |
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| 33 | $a = $gDateLocale->GetShortMonth(); |
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| 34 | $graph->xaxis->SetTickLabels($a); |
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| 35 | $graph->xaxis->SetFont(FF_FONT2); |
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| 36 | |
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| 37 | // Setup graph title ands fonts |
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| 38 | $graph->title->Set('Example of Y-scale callback formatting'); |
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| 39 | $graph->title->SetFont(FF_FONT2,FS_BOLD); |
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| 40 | $graph->xaxis->title->Set('Year 2002'); |
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| 41 | $graph->xaxis->title->SetFont(FF_FONT2,FS_BOLD); |
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| 42 | |
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| 43 | // Create a bar pot |
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| 44 | $bplot = new BarPlot($datay); |
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| 45 | $bplot->SetFillColor('orange'); |
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| 46 | $bplot->SetWidth(0.5); |
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| 47 | $bplot->SetShadow(); |
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| 48 | |
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| 49 | // Setup the values that are displayed on top of each bar |
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| 50 | $bplot->value->Show(); |
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| 51 | |
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| 52 | // Must use TTF fonts if we want text at an arbitrary angle |
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| 53 | $bplot->value->SetFont(FF_ARIAL,FS_BOLD); |
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| 54 | $bplot->value->SetAngle(45); |
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| 55 | $bplot->value->SetFormatCallback('separator1000_usd'); |
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| 56 | |
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| 57 | // Black color for positive values and darkred for negative values |
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| 58 | $bplot->value->SetColor('black','darkred'); |
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| 59 | $graph->Add($bplot); |
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| 60 | |
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| 61 | // Finally stroke the graph |
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| 62 | $graph->Stroke(); |
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| 63 | ?> |
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