require_once "{$jpgraph}/jpgraph_pie3d.php";
// Setup graph
$graph = new PieGraph(400, 400, "auto");
$graph->SetAntiAliasing();
$graph->SetMarginColor('#fafafa');
//$graph->SetShadow();
// Setup graph title
if ($type == "event") {
//$graph->title->Set(gettext("EVENTS RECEIVED"));
} elseif ($type == "alarm") {
//$graph->title->Set(gettext("ALARMS RECEIVED"));
}
$graph->title->SetFont(FF_FONT1, FS_BOLD);
// Create pie plot
$p1 = new PiePlot3d($data);
$p1->SetHeight(12);
$p1->SetSize(0.3);
if (count($labels) > 1) {
$p1->SetCenter(0.5, 0.25);
} else {
$p1->SetCenter(0.57, 0.25);
}
$p1->SetLegends($legend);
$p1->SetLabels($labels);
$p1->SetLabelPos(1);
$graph->legend->SetPos(0.5, 0.95, 'center', 'bottom');
$graph->legend->SetShadow('#fafafa', 0);
$graph->legend->SetFrameWeight(0);
$graph->legend->SetFillColor('#fafafa');
$graph->SetFrame(false);
$p1->SetSliceColors($colors);
// Some data
$data = array(20, 27, 45, 75, 90);
// Create the Pie Graph.
$graph = new PieGraph(350, 200);
$graph->SetShadow();
// Set A title for the plot
$graph->title->Set("Example 2 3D Pie plot");
$graph->title->SetFont(FF_VERDANA, FS_BOLD, 18);
$graph->title->SetColor("darkblue");
$graph->legend->Pos(0.1, 0.2);
// Create 3D pie plot
$p1 = new PiePlot3d($data);
$p1->SetTheme("sand");
$p1->SetCenter(0.4);
$p1->SetSize(0.4);
$p1->SetHeight(5);
// Adjust projection angle
$p1->SetAngle(45);
// You can explode several slices by specifying the explode
// distance for some slices in an array
$p1->Explode(array(0, 40, 0, 30));
// As a shortcut you can easily explode one numbered slice with
// $p1->ExplodeSlice(3);
$p1->value->SetFont(FF_ARIAL, FS_NORMAL, 10);
$p1->SetLegends(array("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct"));
$graph->Add($p1);
$graph->Stroke();
?>
public function generarReportePastel()
{
$this->load->model('nivel_model');
$alumPorNivel = $this->nivel_model->alumnosPorNivel();
require_once APPPATH . "libraries/jpgraph/jpgraph.php";
require_once APPPATH . "libraries/jpgraph/jpgraph_pie.php";
require_once APPPATH . "libraries/jpgraph/jpgraph_pie3d.php";
// Pasando el nombre de los niveles a un arreglo llamado dato
$i = 0;
foreach ($alumPorNivel->result() as $a) {
$dato[$i] = $a->nombre;
$cuenta[] = $a->total;
$exp[$i] = 5;
$i++;
}
// Creando el Grafico de Pastel
$graph = new PieGraph(550, 400);
$graph->SetShadow();
// Estableciendo el titulo
$graph->title->Set("Porcentaje de Alumnos por Nivel");
$graph->title->SetFont(FF_VERDANA, FS_BOLD, 18);
$graph->title->SetColor("darkblue");
$graph->legend->Pos(0.3, 0.06);
// Crear 3D pie plot
$p1 = new PiePlot3d($cuenta);
$p1->SetTheme("sand");
$p1->SetCenter(0.5);
$p1->SetSize(0.5);
$p1->SetHeight(20);
#Ancho del pastel
// Angulo de inclinación
$p1->SetAngle(45);
// Distancia entre las partes del pastel
$p1->Explode($exp);
$p1->value->SetFont(FF_ARIAL, FS_NORMAL, 10);
$p1->SetLegends($dato);
$graph->Add($p1);
$gdImgHandler = $graph->Stroke(_IMG_HANDLER);
// Guardando imagen como archivo por default es .png
$fileName = "assets/img/reportes/reporte.jpg";
$graph->img->Stream($fileName);
redirect(base_url('Alumnos/verReportePastel'));
}
