Inizializzazione

jpgraph-3.5.0b1/src/Examples/csim_in_html_graph_ex2.php

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+<?php // content="text/plain; charset=utf-8"
+// Example of pie with center circle
+require_once ('jpgraph/jpgraph.php');
+require_once ('jpgraph/jpgraph_pie.php');
+
+// Some data
+$data = array(50,28,25,27,31,20);
+
+// A new pie graph
+$piegraph = new PieGraph(400,320);
+
+$n = count($data) ; // Number of slices
+
+// No border around graph
+$piegraph->SetFrame(false);
+
+// Setup title
+$piegraph->title->Set("CSIM Center Pie plot");
+$piegraph->title->SetFont(FF_ARIAL,FS_BOLD,18);
+$piegraph->title->SetMargin(8); // Add a little bit more margin from the top
+
+// Create the pie plot
+$p1 = new PiePlotC($data);
+
+// Set the radius of pie (as fraction of image size)
+$p1->SetSize(0.32);
+
+// Label font and color setup
+$p1->value->SetFont(FF_ARIAL,FS_BOLD,11);
+$p1->value->SetColor('white');
+
+// Setup the title on the center circle
+$p1->midtitle->Set("Distribution\n2008 H1");
+$p1->midtitle->SetFont(FF_ARIAL,FS_NORMAL,12);
+
+// Set color for mid circle
+$p1->SetMidColor('yellow');
+
+// Use percentage values in the legends values (This is also the default)
+$p1->SetLabelType(PIE_VALUE_PER);
+
+// The label array values may have printf() formatting in them. The argument to the
+// form,at string will be the value of the slice (either the percetage or absolute
+// depending on what was specified in the SetLabelType() above.
+$lbl = array("Jan\n%.1f%%","Feb\n%.1f%%","March\n%.1f%%",
+             "Apr\n%.1f%%","May\n%.1f%%","Jun\n%.1f%%");
+$p1->SetLabels($lbl);
+
+// Add drop shadow to slices
+$p1->SetShadow();
+
+// Explode all slices 15 pixels
+$p1->ExplodeAll(15);
+
+// Setup the CSIM targets
+global $_wrapperfilename;
+$targ = array(); $alt = array(); $wtarg = array();
+for( $i=0; $i <= $n; ++$i ) {
+    $urlarg = 'pie_clickedon='.($i+1);
+    $targ[] = $_wrapperfilename.'?'.$urlarg;
+    $alt[] = 'val=%d';
+    $wtarg[] = '';
+}
+$p1->SetCSIMTargets($targ,$alt,$wtarg);
+$p1->SetMidCSIM($targ[0],$alt[0],$wtarg[0]);
+
+// Add plot to pie graph
+$piegraph->Add($p1);
+
+// Send back the image when we are called from within the <img> tag
+$piegraph->StrokeCSIMImage();
+
+?>
+
+