PHP Graph类代码示例

 public function getGrafmayorcosto()
 {
     JpGraph::module('bar');
     $graph = new Graph(680, 300);
     $graph->SetScale("textlin");
     $graph->yscale->SetGrace(5);
     $graph->SetBox(true);
     $labels = array();
     $valores = array();
     foreach (Activo::where('id', '>', '0')->orderBy('costo', 'desc')->take(10)->get() as $activo) {
         $labels[] = $activo->num_activo;
         $valores[] = $activo->costo;
     }
     //titulo de la grafica
     $graph->title->SetColor('black');
     $graph->title->Set('Gráfica: Activos con Mayor Costo');
     //valores de los labels en ambas axis y como se ubicaran
     $graph->xaxis->SetTickLabels($labels);
     $graph->xaxis->SetLabelAlign('center', 'top', 'center');
     $graph->ygrid->SetFill(false);
     $graph->yaxis->HideLabels(false);
     $graph->yaxis->HideTicks(false, false);
     //Fonts para las axis
     $graph->xaxis->SetColor('black');
     $graph->yaxis->SetColor('black');
     //grafica de activos con mayor costo
     $mayorCosto = new BarPlot($valores);
     $mayorCosto->SetColor('white');
     $mayorCosto->SetWidth(0.6);
     //agrega la grafica generada a la instancia de la grafica
     $graph->Add($mayorCosto);
     //Despliega la grafica
     $graph->Stroke();
 }

 public function build()
 {
     $path = APPPATH;
     require_once $path . 'libraries/jpgraph/src/jpgraph.php';
     require_once $path . 'libraries/jpgraph/src/jpgraph_bar.php';
     //        $datay = array(62, 105, 85, 50);
     $datay = $this->parameters;
     // Create the graph. These two calls are always required
     //        $graph = new Graph(350, 220, 'auto');
     $graph = new Graph(350, 220, 'auto');
     $graph->SetScale("textlin");
     //$theme_class="DefaultTheme";
     //$graph->SetTheme(new $theme_class());
     // set major and minor tick positions manually
     $graph->yaxis->SetTickPositions(array(0, 30, 60, 90, 120, 150), array(15, 45, 75, 105, 135));
     $graph->SetBox(false);
     //$graph->ygrid->SetColor('gray');
     $graph->ygrid->SetFill(false);
     $graph->xaxis->SetTickLabels(array('A', 'B', 'C', 'D'));
     $graph->yaxis->HideLine(false);
     $graph->yaxis->HideTicks(false, false);
     // Create the bar plots
     //        $b1plot = new BarPlot($datay);
     $b1plot = new BarPlot($datay);
     // ...and add it to the graPH
     $graph->Add($b1plot);
     $b1plot->SetColor("white");
     $b1plot->SetFillGradient("#4B0082", "white", GRAD_LEFT_REFLECTION);
     $b1plot->SetWidth(45);
     $graph->title->Set("Bar Gradient(Left reflection)");
     // Display the graph
     $d['grafica'] = $graph->Stroke("jacobo.png");
     $d['path'] = $path;
     return $d;
 }

 /**
  * Der Graph muss aus DependencyVertices bestehen
  *
  * die besonderen Knoten brauchen wir, da wir "hasOutgoingEdges()" nicht ganz easy berechnen können
  * (wir bräuchten die EdgesList flipped)
  *
  * Cormen, Thomas H.; Leiserson, Charles E.; Rivest, Ronald L.; Stein, Clifford (2001), "Section 22.4: Topological sort", Introduction to Algorithms (2nd ed.), MIT Press and McGraw-Hill, pp. 549–552, ISBN 0-262-03293-7.
  * 
  * gibt eine Liste aller Vertices in der topologischen Sortierung zurück
  * die elemente mit "den meisten dependencies" befinden sich hinten in der liste
  * @return array 
  */
 public static function TopologicalSort(Graph $g)
 {
     $list = array();
     if (count($g->V()) == 0) {
         return $list;
     }
     // rufe DFS auf $g auf
     // füge jeden abgearbeiteten Knoten an den Kopf einer Liste ein
     $dfsVisit = function (DependencyVertice $vertice) use($g, &$list, &$dfsVisit) {
         if (!$vertice->isVisited()) {
             $vertice->setVisited(TRUE);
             foreach ($g->N($vertice) as $adjacentVertice) {
                 $dfsVisit($adjacentVertice);
             }
             array_unshift($list, $vertice);
         }
     };
     // wir beginnen nicht mit einem Startknoten sondern mit allen Startknoten, die keine dependencies haben
     $s = array();
     foreach ($g->V() as $vertice) {
         if (count($vertice->getDependencies()) === 0) {
             $s[] = $vertice;
             $dfsVisit($vertice);
         }
     }
     if (count($s) === 0) {
         throw new TopologicalSortRuntimeException('Der Graph g kann nicht topologisch sortiert werden. Es wurden keine Startknoten gefunden die überhaupt keine Dependencies haben');
     }
     return $list;
 }

 public function executeGetFunctionGraph(sfWebRequest $request)
 {
     $this->getUrlParameters($request);
     $this->fct_id = $request->getParameter('function_id');
     $this->fct_ref = $request->getParameter('function_ref');
     //récupération du nom pour les affichages.
     $this->node = Doctrine_Core::getTable('EiTree')->findOneByRefObjAndObjIdAndType($this->fct_ref, $this->fct_id, 'Function');
     //récupération des temps d'execution
     $this->times = Doctrine_Core::getTable('EiFonction')->getTimeStats($this->project_id, $this->project_ref, $this->fct_id, $this->fct_ref);
     // Width and height of the graph
     $width = 700;
     $height = 300;
     // Create a graph instance
     $graph = new Graph($width, $height);
     $graph->SetScale('intint');
     $graph->title->Set($this->node->getName() . " 's execution time evolution.");
     $graph->xaxis->title->Set('Execution');
     $graph->yaxis->title->Set('Time (ms)');
     $exec = array();
     //récupération des durées uniquement
     foreach ($this->times as $t => $time) {
         $exec[] = $time['l_duree'];
     }
     $lineplot = new LinePlot($exec);
     $graph->Add($lineplot);
     $graph->Stroke();
     return sfView::NONE;
 }

 public function graficofecha($gestion)
 {
     if (Conectar::con()) {
         //$gestion='2013';
         $objetoanalisis = new classAnalisis();
         $anio = $gestion;
         for ($i = 0; $i < 12; $i++) {
             $dat[] = $objetoanalisis->ventamensual($anio, $i);
         }
         $datos = $dat;
         //$datos =array('1','4','3','3','5');
         $grafico = new Graph(400, 300, "auto");
         $grafico->SetScale("textlin");
         $grafico->title->Set("Resumen de ventas por gestion");
         $grafico->xaxis->title->Set("");
         $grafico->yaxis->title->Set("");
         // Un gradiente Horizontal de rojo a azul
         // 25 pixeles de ancho para cada barra
         $lineplot = new LinePlot($datos);
         $lineplot->SetColor("green");
         $lineplot->SetWeight(2);
         $grafico->Add($lineplot);
         return $grafico->Stroke();
     }
 }

 function conf__grafico(toba_ei_grafico $grafico)
 {
     if (isset($this->datos)) {
         $datos = array();
         $leyendas = array();
         foreach ($this->datos as $value) {
             $datos[] = $value['resultado'];
             $leyendas[] = $value['codc_uacad'];
         }
     }
     require_once toba_dir() . '/php/3ros/jpgraph/jpgraph.php';
     require_once toba_dir() . '/php/3ros/jpgraph/jpgraph_bar.php';
     // Setup a basic graph context with some generous margins to be able
     // to fit the legend
     $canvas = new Graph(900, 300);
     $canvas->SetMargin(100, 140, 60, 40);
     $canvas->title->Set('Cr�dito Disponible');
     //$canvas->title->SetFont(FF_ARIAL,FS_BOLD,14);
     // For contour plots it is custom to use a box style ofr the axis
     $canvas->legend->SetPos(0.05, 0.5, 'right', 'center');
     $canvas->SetScale('intint');
     //$canvas->SetAxisStyle(AXSTYLE_BOXOUT);
     //$canvas->xgrid->Show();
     $canvas->ygrid->Show();
     $canvas->xaxis->SetTickLabels($leyendas);
     // A simple contour plot with default arguments (e.g. 10 isobar lines)
     $cp = new BarPlot($datos);
     $cp->SetColor("#B0C4DE");
     $cp->SetFillColor("#B0C4DE");
     $cp->SetLegend("Resultado");
     $canvas->Add($cp);
     // Con esta llamada informamos al gr�fico cu�l es el gr�fico que se tiene
     // que dibujar
     $grafico->conf()->canvas__set($canvas);
 }

 function plot($pid)
 {
     $this->_setValues($pid);
     $graph = new Graph(600, 400);
     $graph->img->SetMargin(60, 95, 40, 40);
     $graph->SetShadow();
     $graph->SetScale("textlog");
     $colors = array("hotpink", "green", "blue", "gold", "blueviolet", "deepskyblue", "brown", "cadetblue", "darksalmon", "cornflowerblue", "darkslateblue", "limegreen", "yellow", "navy", "slategray");
     srand(1);
     for ($i = 0; $i < sizeof($this->_data); $i++) {
         $bplot[$i] = new BarPlot($this->_data[$i]);
         if ($i < sizeof($colors)) {
             $color = $colors[$i];
         } else {
             $r = rand(0, 255);
             $g = rand(0, 255);
             $b = rand(0, 255);
             $color = array($r, $g, $b);
         }
         $bplot[$i]->SetFillColor($color);
         $bplot[$i]->SetLegend($this->_legend[$i]);
     }
     $gbplot = new GroupBarPlot($bplot);
     $graph->Add($gbplot);
     $graph->title->Set("# of Visited Articles per Month (log scale)");
     $graph->title->SetFont(FONT2_BOLD);
     $graph->xaxis->SetTickLabels($this->_months);
     $graph->ygrid->Show(true, true);
     $graph->xaxis->SetFont(FONT1_BOLD);
     $graph->yaxis->SetFont(FONT1_BOLD);
     $graph->Stroke();
 }

function _stats_build_graph($data, $labels, $filename, $stat, $width, $height, $vars)
{
    if (file_exists($filename)) {
        unlink($filename);
    }
    $data_orig = $data;
    foreach ($data as $key => $val) {
        if (!is_numeric($val)) {
            $data[$key] = 0;
        }
    }
    // $vars["color_tab_black"]
    $bg_grey = _stats_color($vars["bg_grey"], 0);
    $bg_light_blue = _stats_color($vars["bg_light_blue"], 25);
    $graph = new Graph($width, $height);
    $group = new PlotGroup();
    $group->setSpace(2, 2);
    $group->grid->setType(LINE_DASHED);
    $group->grid->hideVertical(TRUE);
    $group->setPadding(30, 10, 25, 20);
    $graph->setBackgroundColor($bg_grey);
    $graph->title->set($stat);
    $graph->title->setFont(new Tuffy(10));
    $plot = new BarPlot($data, 1, 1, 0);
    $plot->setBarColor($bg_light_blue);
    $plot->label->set($data_orig);
    $plot->label->move(0, -5);
    $group->add($plot);
    $group->axis->bottom->setLabelText($labels);
    $group->axis->bottom->hideTicks(TRUE);
    $graph->add($group);
    $graph->draw($filename);
}

 function monthchart($xdata, $ydata, $title = 'Line Chart')
 {
     // Create the graph. These two calls are always required
     $graph = new Graph(600, 250, "auto", 60);
     $graph->img->SetAntiAliasing(false);
     $graph->SetScale("textlin");
     $graph->xaxis->SetTickLabels($xdata);
     $graph->xgrid->SetColor('#E3E3E3');
     $graph->legend->SetFrameWeight(1);
     // Setup title
     $graph->title->Set($title);
     foreach ($ydata as $item) {
         // Create the linear plot
         if (count($item['values']) != count($xdata)) {
             continue;
         }
         $lineplot = new LinePlot($item['values'], $xdata);
         $lineplot->SetColor($item['color']);
         if (count($ydata) == 1) {
             $lineplot->SetFillColor($item['color']);
         }
         // Add the plot to the graph
         $graph->Add($lineplot);
         $lineplot->SetLegend($item['legend']);
     }
     return $graph;
 }

/**
 * 단어 목록으로 인접 리스트를 사용해서 그래프 생성
 *
 * @param string $word_file 단어파일
 * @return object Graph 그래프객체
 * @throws Exception
 */
function buildWordLadderGraph($word_file)
{
    $container = array();
    $graph = new Graph();
    $f = fopen($word_file, "r");
    if ($f) {
        while (($word = fgets($f)) !== false) {
            $container = setBucketContainer($container, trim($word));
        }
        fclose($f);
    } else {
        throw new Exception('파일을 읽을 수 없습니다.');
    }
    $bucket_keys = array_keys($container);
    foreach ($bucket_keys as $bucket) {
        foreach ($container[$bucket] as $word1) {
            foreach ($container[$bucket] as $word2) {
                if ($word1 != $word2) {
                    $graph->addEdge($word1, $word2);
                }
            }
        }
    }
    return $graph;
}

function showimg($value, $clock, $key)
{
    $datay1 = $value;
    $graph = new Graph(1000, 400);
    $graph->SetScale("textlin");
    //设置图片外边距（左,右,上,下）
    $graph->img->SetMargin(100, 20, 20, 60);
    $graph->title->Set($key);
    $graph->yaxis->HideZeroLabel();
    $graph->yaxis->HideLine(false);
    $graph->yaxis->HideTicks(false, false);
    $graph->xgrid->Show();
    $graph->xgrid->SetLineStyle("solid");
    //x轴文字
    $graph->xaxis->SetTickLabels($clock);
    $graph->xaxis->SetLabelAngle(90);
    //x轴颜色
    $graph->xgrid->SetColor('#E3E3E3');
    // Create the first line
    $p1 = new LinePlot($datay1);
    $graph->Add($p1);
    $p1->SetColor("#6495ED");
    $graph->legend->SetFrameWeight(1);
    // Output line
    $graph->Stroke();
}

 function plot($pid)
 {
     $this->_setValues($pid);
     $graph = new Graph(600, 400);
     $graph->img->SetMargin(60, 95, 40, 40);
     $graph->SetShadow();
     $graph->SetScale("textlog");
     $colors = array("yellow", "green", "blue", "red");
     srand(1);
     for ($i = 0; $i < sizeof($this->_data); $i++) {
         $bplot[$i] = new BarPlot($this->_data[$i]);
         $color = $colors[$i];
         $bplot[$i]->SetFillColor($color);
         $bplot[$i]->SetLegend($this->_legend[$i]);
     }
     $gbplot = new GroupBarPlot($bplot);
     $graph->Add($gbplot);
     $graph->title->Set("# of Visited Articles per Language (log scale)");
     $graph->title->SetFont(FONT2_BOLD);
     $graph->xaxis->SetTickLabels($this->_years);
     $graph->ygrid->Show(true, true);
     $graph->xaxis->SetFont(FONT1_BOLD);
     $graph->yaxis->SetFont(FONT1_BOLD);
     $graph->Stroke();
 }

/**
 * Show Horizontal Bar graph
 */
function ShowHBar(&$legend, &$value)
{
    $height = 50 + count($value) * 18;
    $width = 500;
    // Set the basic parameters of the graph
    $graph = new Graph($width, $height, 'auto');
    $graph->SetScale("textlin");
    $top = 30;
    $bottom = 20;
    $left = 100;
    $right = 50;
    $graph->Set90AndMargin($left, $right, $top, $bottom);
    $graph->xaxis->SetTickLabels($legend);
    $graph->SetFrame(false);
    // Label align for X-axis
    $graph->xaxis->SetLabelAlign('right', 'center', 'right');
    // Label align for Y-axis
    $graph->yaxis->SetLabelAlign('center', 'bottom');
    // Create a bar pot
    $bplot = new BarPlot($value);
    $bplot->SetFillColor("orange");
    $bplot->SetWidth(0.5);
    // We want to display the value of each bar at the top
    $graph->yaxis->scale->SetGrace(10);
    $graph->yaxis->SetLabelAlign('center', 'bottom');
    $graph->yaxis->SetLabelFormat('%d');
    $bplot->value->Show();
    $bplot->value->SetFormat('%.d votes');
    // Setup color for gradient fill style
    $bplot->SetFillGradient("navy", "lightsteelblue", GRAD_MIDVER);
    $graph->Add($bplot);
    $graph->Stroke();
}

function graficarBarras()
{
    require_once "jpgraph/src/jpgraph.php";
    require_once "jpgraph/src/jpgraph_bar.php";
    $datos = array($_GET['pos'], $_GET['neg']);
    //Instancia del objeto del tipo Graph en donde como parametro
    // se le pasan los valore de ancho y altura
    $grafica = new Graph(400, 300);
    $grafica->SetScale("textlin");
    $grafica->SetBox(false);
    //Nombre de las columnas
    $columnas = array($_GET['lab1'], $_GET['lab2']);
    $grafica->xaxis->SetTickLabels($columnas);
    //Objeto del tipo BarPlot que se le enviara a la grafica y el cual
    //recibe como parametros los datos a graficar
    $barras = new BarPlot($datos);
    $grafica->Add($barras);
    //Color de los bordes
    //Color de borde de las barras
    $barras->SetColor("white");
    //Color de relleno de las barras
    $barras->SetFillColor("#4B0082");
    //Ancho de las barras
    $barras->SetWidth(45);
    // $grafica->title->Set("Gráfica de Barras");
    $grafica->title->SetFont(FF_TIMES, FS_ITALIC, 18);
    $grafica->Stroke();
}

 function departa()
 {
     $this->load->library('Graph');
     $data = $titu = array();
     $mes = $this->uri->segment(4);
     $anio = $this->uri->segment(5);
     if (empty($mes) and empty($anio)) {
         return;
     }
     $fechai = $anio . $mes . '01';
     $fechaf = $anio . $mes . '31';
     //8471.49.00.00
     $mSQL = "SELECT f.descrip etiqueta, sum(b.importe) total\n\t\t\tFROM itscst b JOIN scst a ON a.control=b.control \n\t\t\tJOIN sinv c ON b.codigo=c.codigo\n\t\t\tJOIN grup d ON d.grupo=c.grupo\n\t\t\tJOIN line e ON d.linea=e.linea \n\t\t\tJOIN dpto f ON e.depto=f.depto \n\t\t\tWHERE a.tipo_doc IN ('FC', 'NC','NE') AND a.fecha>={$fechai} AND a.fecha<={$fechaf}\n\t\t\tGROUP BY f.depto";
     //echo $mSQL;
     $maxval = 0;
     $query = $this->db->query($mSQL);
     foreach ($query->result() as $row) {
         if ($row->total > $maxval) {
             $maxval = $row->total;
         }
         $data[] = $row->total;
         $titu[] = $row->etiqueta;
     }
     $i = 1;
     while (1) {
         if ($maxval / $i <= 100) {
             break;
         }
         $i = $i * 10;
     }
     $om = $i;
     $i = 0;
     //$om=1;
     for ($i = 0; $i < count($data); $i++) {
         $data[$i] = $data[$i] / $om;
     }
     $g = new Graph();
     if ($maxval > 0) {
         $g->title('COMPRAS DEL ' . $mes . '/' . $anio, '{font-size:18px; color: #d01f3c}');
         $g->set_data($data);
         $g->bar_glass(55, '#5E83BF', '#424581', 'Compras', 10);
         $g->set_y_max(ceil($maxval / $om));
         $g->y_label_steps(5);
         $g->set_x_labels($titu);
         $ejey = number_format($om, 0, '', ' ');
         $g->set_y_legend('Compras X ' . $ejey . ' (Bs)', 14, '0x639F45');
         $g->set_x_legend('Grupos ' . $mes, 14, '0x639F45');
         //$g->pie(60,'#505050','#000000');
         //$g->pie_values( $data, $titu );
         //$g->pie_slice_colours( array('#d01f3c','#356aa0','#C79810','#5E83BF'));
         $g->set_tool_tip('#key#<br>Departamento: #x_label# <br>Monto: #val# x ' . $ejey);
     } else {
         $g->title('NO EXISTEN VENTAS EN LA FECHA SELECCIONADA', '{font-size:18px; color: #d01f3c}');
     }
     $g->bg_colour = '#FFFFFF';
     //$g->set_bg_image(site_url('/images/ventafon.png'), 'center', 'middle' );
     echo $g->render();
     $query->free_result();
 }