public function createPlot()
{
$size = '0.25';
$plot = new \PiePlot($this->data);
$plot->SetLegends($this->legends);
$plot->SetSize($size);
$plot->SetCenter(0.25, 0.32);
$plot->ShowBorder();
$plot->SetColor('black');
$this->grafico->add($plot);
}
<?php
require '../include/core/common.php';
include '../include/jpgraph/jpgraph.php';
include '../include/jpgraph/jpgraph_pie.php';
unset($data);
for ($i = 1; $i <= SURVEY_MAX_ALTERNATIVES; $i++) {
if (isset($_GET['alt_' . $i])) {
$data[$i] = $_GET['alt_' . $i];
}
}
if (count($data) == 0 && is_numeric($_GET['poll_id'])) {
$poll = poll_fetch(array('id' => $_GET['poll_id']));
for ($i = 1; $i <= SURVEY_MAX_ALTERNATIVES; $i++) {
if (strlen($poll[0]['alt_' . $i]) > 0) {
$data[$i] = $poll[0]['alt_' . $i . '_votes'];
}
}
}
$graph = new PieGraph(190, 160);
$graph->SetAntiAliasing();
$graph->SetShadow();
$p1 = new PiePlot($data);
$p1->ShowBorder();
$graph->SetFrame(false, 'darkblue', 2);
$p1->SetSliceColors($survey_chart_colors);
$graph->Add($p1);
$graph->Stroke();
require_once "jpgraph/jpgraph_pie.php";
// Some data
$data = array(27, 23, 47, 17);
// A new graph
$graph = new PieGraph(350, 200);
$graph->SetShadow();
// Setup title
$graph->title->Set("Example of pie plot with absolute labels");
$graph->title->SetFont(FF_FONT1, FS_BOLD);
// The pie plot
$p1 = new PiePlot($data);
// Move center of pie to the left to make better room
// for the legend
$p1->SetCenter(0.35, 0.5);
// No border
$p1->ShowBorder(false);
// Label font and color setup
$p1->value->SetFont(FF_FONT1, FS_BOLD);
$p1->value->SetColor("darkred");
// Use absolute values (type==1)
$p1->SetLabelType(PIE_VALUE_ABS);
// Label format
$p1->value->SetFormat("\$%d");
$p1->value->Show();
// Size of pie in fraction of the width of the graph
$p1->SetSize(0.3);
// Legends
$p1->SetLegends(array("May (\$%d)", "June (\$%d)", "July (\$%d)", "Aug (\$%d)"));
$graph->legend->Pos(0.05, 0.15);
$graph->Add($p1);
$graph->Stroke();
if (strlen($lastTLD)) {
getColors($colors, $count, $index);
}
// reset the counter
$count = 0;
$lastTLD = $tld;
}
$count++;
}
if (strlen($lastTLD)) {
getColors($colors, $count, $index);
}
$graph = new PieGraph($width, $height);
$graph->SetFrame(false);
$graph->SetAntiAliasing();
$pie = new PiePlot($values);
// set the actual labels for the wedges
$pie->SetLabels($labels, 1.1);
if (count($colors)) {
$pie->SetSliceColors($colors);
}
// set other options
$pie->SetGuideLines(true, true, true);
$graph->title->SetFont(FF_FONT2, FS_BOLD);
$graph->title->Set($chartType);
$pie->ShowBorder(true, true);
$pie->SetSize(0.25);
$graph->Add($pie);
$graph->img->SetExpired(false);
$graph->Stroke();
}
public function grafico_distribucion_tipo_resp($id_asignacionprueba)
{
require_once APPPATH . '/libraries/JpGraph/jpgraph_pie.php';
$this->rendimiento_global($id_asignacionprueba);
$data_circ = array($this->totalcorrectas, $this->totalincorrectas, $this->totalomitidas);
$columnas_circ = array('Correctas', 'Incorrectas', 'Omitidas');
$graph_circ = new PieGraph(400, 320);
$graph_circ->title->Set("Distribución por Tipo de Respuesta");
$graph_circ->SetMarginColor("#fff");
$graph_circ->SetFrame(true, '#fff', 1);
$graph_circ->SetBox(false);
$p1 = new PiePlot($data_circ);
$p1->ExplodeSlice(0);
$p1->SetCenter(0.5);
//$p1->SetLegends('Correctas','Incorrectas','Omitidas');
$p1->SetLegends($columnas_circ);
// No border
$p1->ShowBorder(false);
$graph_circ->legend->SetPos(0.1, 0.996, 'left', 'bottom');
$graph_circ->legend->SetFrameWeight(1);
$p1->SetGuideLines(true, false);
$p1->SetGuideLinesAdjust(1.5);
$p1->SetLabelType(PIE_VALUE_PER);
$p1->value->Show();
$p1->SetSliceColors(array('#1d71b8', '#ea1d25', 'orange'));
$graph_circ->Add($p1);
$graph_circ->Stroke(_IMG_HANDLER);
global $img_graf_dist_resp;
$this->img_graf_dist_resp = "assets/images/graf_dist_resp.jpg";
$graph_circ->img->Stream($this->img_graf_dist_resp);
/*
$graph_circ->img->Headers();
$graph_circ->img->Stream();
*/
}
