PHP LinePlot::SetBarCenter方法代码示例

$graph->xaxis->SetTickSide(SIDE_DOWN);
$graph->yaxis->SetTickSide(SIDE_LEFT);
$graph->y2axis->SetTickSide(SIDE_RIGHT);
$graph->y2axis->SetColor('black', 'blue');
$graph->y2axis->SetLabelFormat('%3d.0%%');
// Create a bar pot
$bplot = new BarPlot($data_freq);
// Create targets and alt texts for the image maps. One for each bar
// (In this example this is just "dummy" targets)
$targ = array("#1", "#2", "#3", "#4", "#5", "#6", "#7");
$alts = array("val=%d", "val=%d", "val=%d", "val=%d", "val=%d", "val=%d", "val=%d");
$bplot->SetCSIMTargets($targ, $alts);
// Create accumulative graph
$lplot = new LinePlot($data_accfreq);
// We want the line plot data point in the middle of the bars
$lplot->SetBarCenter();
// Use transperancy
$lplot->SetFillColor('lightblue@0.6');
$lplot->SetColor('blue@0.6');
//$lplot->SetColor('blue');
$graph->AddY2($lplot);
// Setup the bars
$bplot->SetFillColor("orange@0.2");
$bplot->SetValuePos('center');
$bplot->value->SetFormat("%d");
$bplot->value->SetFont(FF_ARIAL, FS_NORMAL, 9);
$bplot->value->Show();
// Add it to the graph
$graph->Add($bplot);
// Send back the HTML page which will call this script again
// to retrieve the image.

 /**
  * Draw the XY type plot
  *
  * @param array $data plot data array reference
  * @param array $xmlArr xml array reference
  * @return object refernce XY plot object reference
  */
 public function renderXYPlot(&$data, &$xmlArr)
 {
     $id = $xmlArr['ATTRIBUTES']['ID'];
     $field = $xmlArr['ATTRIBUTES']['FIELD'];
     $chartType = $xmlArr['ATTRIBUTES']['CHARTTYPE'];
     $pointType = $xmlArr['ATTRIBUTES']['POINTTYPE'];
     $weight = $xmlArr['ATTRIBUTES']['WEIGHT'];
     $color = $xmlArr['ATTRIBUTES']['COLOR'];
     $fillColor = $xmlArr['ATTRIBUTES']['FILLCOLOR'];
     $showVal = $xmlArr['ATTRIBUTES']['SHOWVALUE'];
     $legend = $xmlArr['ATTRIBUTES']['LEGENDFIELD'];
     $visible = $xmlArr['ATTRIBUTES']['VISIBLE'];
     if ($chartType == 'Line' or $chartType == 'Bar') {
         if ($chartType == 'Line') {
             include_once JPGRAPH_DIR . '/jpgraph_line.php';
             $plot = new LinePlot($data);
             $this->_drawMark($plot->mark, $xmlArr['POINTMARK']['ATTRIBUTES']['TYPE'], $xmlArr['POINTMARK']['ATTRIBUTES']['COLOR'], $xmlArr['POINTMARK']['ATTRIBUTES']['FILLCOLOR'], $xmlArr['POINTMARK']['ATTRIBUTES']['SIZE']);
             $plot->SetBarCenter();
             $plot->SetCenter();
         } else {
             if ($chartType == 'Bar') {
                 include_once JPGRAPH_DIR . '/jpgraph_bar.php';
                 $plot = new BarPlot($data);
                 $plot->SetAlign('center');
             }
         }
         if ($color) {
             $plot->SetColor($color);
         }
         if ($fillColor) {
             $plot->SetFillColor($fillColor);
         }
         if ($weight) {
             $plot->SetWeight($weight);
         }
         if ($showVal == 1) {
             $plot->value->Show();
         }
         if ($legend) {
             $plot->SetLegend($legend);
         }
         $this->_drawString($plot->value, $xmlArr['VALUE']['ATTRIBUTES']['FONT'], $xmlArr['VALUE']['ATTRIBUTES']['COLOR']);
     }
     if ($chartType == 'GroupBar' or $chartType == 'AccBar') {
         $children = $xmlArr['ATTRIBUTES']['CHILDREN'];
         $childList = explode(",", $children);
         foreach ($childList as $child) {
             $childPlotList[] = $this->m_PlotList[$child];
         }
         if ($chartType == 'GroupBar') {
             $plot = new GroupBarPlot($childPlotList);
         } else {
             if ($chartType == 'AccBar') {
                 $plot = new AccBarPlot($childPlotList);
             }
         }
     }
     $this->m_PlotList[$id] = $plot;
     if ($visible == 1) {
         return $plot;
     }
     return null;
 }

function graficar_defectos($eje_y, $x_label, $pareto, $titulo_eje_x, $titulo_eje_y, $title, $name)
{
    include "../jpgraph/src/jpgraph.php";
    include "../jpgraph/src/jpgraph_line.php";
    include "../jpgraph/src/jpgraph_bar.php";
    $graph = new Graph(820, 350);
    $graph->SetScale("textlin");
    $graph->SetMarginColor("#FFFFFF");
    $graph->img->SetMargin(80, 80, 60, 140);
    $graph->yaxis->SetTitleMargin(40);
    $graph->SetBackgroundImage("../imagenes/fondo.jpg", BGIMG_FILLFRAME);
    $graph->xaxis->SetLabelAngle(90);
    $graph->xaxis->SetTickLabels($x_label);
    $graph->legend->Pos(0.03, 0.3);
    $graph->title->SetColor("#000000");
    $graph->title->Set($title);
    $graph->title->SetFont(FF_FONT1, FS_BOLD);
    $graph->yaxis->title->SetFont(FF_FONT1, FS_BOLD);
    $graph->xaxis->title->SetFont(FF_FONT1, FS_BOLD);
    //$graph->yaxis->title->Set($titulo_eje_y);
    //$graph->xaxis->title->Set($titulo_eje_x);
    $graph->setcolor("#EEEEEE");
    $graph->setshadow("true", 3, "#aaaaaa");
    // Crear la gráfica de barras
    $bplot1 = new BarPlot($eje_y);
    $bplot1->SetWidth(0.3);
    $bplot1->SetYMin(0.02);
    $bplot1->SetFillColor("orange@0.2");
    $bplot1->SetShadow('darkgray');
    $bplot1->value->SetFormat("%0.1f");
    $bplot1->value->SetColor("darkred");
    $bplot1->value->Show();
    // Crear la gráfica de líneas
    $lplot = new LinePlot($pareto);
    $lplot->mark->SetType(MARK_FILLEDCIRCLE);
    $lplot->mark->SetFillColor("red");
    $lplot->mark->SetWidth(3);
    $lplot->SetColor("blue");
    $lplot->SetBarCenter();
    $graph->Add($bplot1);
    $graph->Add($lplot);
    $graph->Stroke("charts/" . $name);
}

 private function _renderPlotLine($groupID, $filled = false, $combination = false, $dimensions = '2d')
 {
     $grouping = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
     $labelCount = count($this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount());
     if ($labelCount > 0) {
         $datasetLabels = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
         $datasetLabels = $this->_formatDataSetLabels($groupID, $datasetLabels, $labelCount);
         $this->_graph->xaxis->SetTickLabels($datasetLabels);
     }
     $seriesCount = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
     $seriesPlots = array();
     if ($grouping == 'percentStacked') {
         $sumValues = $this->_percentageSumCalculation($groupID, $seriesCount);
     }
     //	Loop through each data series in turn
     for ($i = 0; $i < $seriesCount; ++$i) {
         $dataValues = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
         $marker = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getPointMarker();
         if ($grouping == 'percentStacked') {
             $dataValues = $this->_percentageAdjustValues($dataValues, $sumValues);
         }
         //	Fill in any missing values in the $dataValues array
         $testCurrentIndex = 0;
         foreach ($dataValues as $k => $dataValue) {
             while ($k != $testCurrentIndex) {
                 $dataValues[$testCurrentIndex] = null;
                 ++$testCurrentIndex;
             }
             ++$testCurrentIndex;
         }
         $seriesPlot = new LinePlot($dataValues);
         if ($combination) {
             $seriesPlot->SetBarCenter();
         }
         if ($filled) {
             $seriesPlot->SetFilled(true);
             $seriesPlot->SetColor('black');
             $seriesPlot->SetFillColor(self::$_colourSet[self::$_plotColour++]);
         } else {
             //	Set the appropriate plot marker
             $this->_formatPointMarker($seriesPlot, $marker);
         }
         $dataLabel = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($i)->getDataValue();
         $seriesPlot->SetLegend($dataLabel);
         $seriesPlots[] = $seriesPlot;
     }
     if ($grouping == 'standard') {
         $groupPlot = $seriesPlots;
     } else {
         $groupPlot = new AccLinePlot($seriesPlots);
     }
     $this->_graph->Add($groupPlot);
 }

<?php

// content="text/plain; charset=utf-8"
require_once 'jpgraph/jpgraph.php';
require_once 'jpgraph/jpgraph_bar.php';
require_once 'jpgraph/jpgraph_line.php';
$ydata = array(12, 15, 22, 19, 5);
$graph = new Graph(400, 200);
$graph->img->SetMargin(40, 80, 40, 40);
$graph->SetScale("textlin");
$graph->SetShadow();
$graph->title->Set('Center the line points in bars');
$line = new LinePlot($ydata);
$line->SetBarCenter();
$line->SetWeight(2);
$bar = new BarPlot($ydata);
$bar2 = new BarPlot($ydata);
$bar2->SetFillColor("red");
$gbar = new GroupbarPlot(array($bar, $bar2));
$graph->Add($gbar);
$graph->Add($line);
// Output line
$graph->Stroke();
?>

$l1datay = array(11, 9, 2, 4, 3, 13, 17);
$l2datay = array(23, 12, 5, 19, 17, 10, 15);
$datax = $gDateLocale->GetShortMonth();
// Create the graph.
$graph = new Graph(400, 200, "auto");
$graph->SetScale("textlin");
$graph->SetMargin(40, 130, 20, 40);
$graph->SetShadow();
$graph->xaxis->SetTickLabels($datax);
// Create the linear error plot
$l1plot = new LinePlot($l1datay);
$l1plot->SetColor("red");
$l1plot->SetWeight(2);
$l1plot->SetLegend("Prediction");
//Center the line plot in the center of the bars
$l1plot->SetBarCenter();
// Create the bar plot
$bplot = new BarPlot($l2datay);
$bplot->SetFillColor("orange");
$bplot->SetLegend("Result");
// Add the plots to t'he graph
$graph->Add($bplot);
$graph->Add($l1plot);
$graph->title->Set("Adding a line plot to a bar graph v1");
$graph->xaxis->title->Set("X-title");
$graph->yaxis->title->Set("Y-title");
$graph->title->SetFont(FF_FONT1, FS_BOLD);
$graph->yaxis->title->SetFont(FF_FONT1, FS_BOLD);
$graph->xaxis->title->SetFont(FF_FONT1, FS_BOLD);
// Display the graph
$graph->Stroke();

/**
 * Un tableau contenant les moyennes des eleves pour chaque sequences
 * 
 * @param type $moyennes = array()
 */
function genererCourbe($moyennes, $rang, $codeperiode = "S")
{
    try {
        # Donnees de la courbe
        $ydata = $moyennes;
        $ydata2 = $moyennes;
        /* for ($i = 1; $i <= 6; $i++) {
           $r = rand(0, 20);
           $ydata[] = $r;
           $ydata2[] = $r;
           } */
        /** Definition des label de l'axe x */
        if ($codeperiode === "T") {
            $datax = array("TRIM1", "TRIM2", "TRIM3");
        } else {
            $datax = array("seq 1", "seq 2", "seq 3", "seq 4", "seq 5", "seq 6");
        }
        # Creation du graph
        $graph = new Graph(350, 250, 'auto');
        $graph->SetMarginColor('white');
        # Definir le max et le min des valeur X
        $graph->SetScale('textlin', 0, 20);
        #$graph->xaxis->title->Set("Séquences");
        $graph->yaxis->title->SetFont(FF_ARIAL, FS_BOLD, 12);
        $graph->yaxis->title->Set("Moyennes");
        $graph->xaxis->SetTickLabels($datax);
        $graph->xaxis->title->SetFont(FF_ARIAL, FS_BOLD, 12);
        if ($codeperiode === "T") {
            $graph->xaxis->SetTitle("Trimestres", "middle");
        } else {
            $graph->xaxis->SetTitle("Séquences", "middle");
        }
        $graph->SetBackgroundGradient('white', 'lightblue', GRAD_HOR, BGRAD_PLOT);
        # Adjuster les margins (left, right, top, bottom)
        $graph->SetMargin(40, 5, 21, 45);
        # Box autour du plotarea
        $graph->SetBox();
        # Un cadre ou frame autour de l'image
        $graph->SetFrame(false);
        # Definir le titre tabulaire
        $graph->tabtitle->SetFont(FF_ARIAL, FS_BOLD, 8);
        $graph->tabtitle->Set($_SESSION['anneeacademique']);
        # Definir le titre du graphe
        $graph->title->SetFont(FF_VERDANA, FS_BOLD, 8);
        $graph->title->SetAlign("right");
        if (count($ydata) > 1) {
            $prev = $ydata[count($ydata) - 2];
            if ($prev < $ydata[count($ydata) - 1]) {
                $graph->title->Set("Performance en hausse");
            } elseif ($prev == $ydata[count($ydata) - 1]) {
                $graph->title->Set("Performance constante");
            } else {
                $graph->title->Set("Performance en baisse");
            }
        }
        # Definir les grid X et Y
        $graph->ygrid->SetFill(true, '#BBBBBB@0.9', '#FFFFFF@0.9');
        //$graph->ygrid->SetLineStyle('dashed');
        //$graph->ygrid->SetColor('gray');
        //$graph->xgrid->SetLineStyle('dashed');
        $graph->xgrid->SetColor('gray');
        $graph->xgrid->Show();
        //$graph->ygrid->Show();
        #$graph->SetBackgroundGradient('blue','navy:0.5',GRAD_HOR,BGRAD_MARGIN);
        $graph->xaxis->SetFont(FF_ARIAL, FS_NORMAL, 8);
        $graph->xaxis->SetLabelAngle(0);
        # Creation d'une bar pot
        $bplot = new BarPlot($ydata);
        $bplot->SetWidth(0.9);
        $fcol = '#440000';
        $tcol = '#FF9090';
        $bplot->SetFillGradient($fcol, $tcol, GRAD_LEFT_REFLECTION);
        # Set line weigth to 0 so that there are no border around each bar
        $bplot->SetWeight(0);
        # Create filled line plot
        $lplot = new LinePlot($ydata2);
        $lplot->SetFillColor('skyblue@0.5');
        $lplot->SetStyle(1);
        $lplot->SetColor('navy@0.7');
        $lplot->SetBarCenter();
        $lplot->mark->SetType(MARK_SQUARE);
        $lplot->mark->SetColor('blue@0.5');
        $lplot->mark->SetFillColor('lightblue');
        $lplot->mark->SetSize(5);
        # Afficher les moyenne au dessus des barres
        $accbarplot = new AccBarPlot(array($bplot));
        $accbarplot->value->SetFormat("%.2f");
        $accbarplot->value->Show();
        $graph->Add($accbarplot);
        $graph->SetBackgroundImageMix(50);
        # Definir un fond d'ecran pour l'image
        $background = SITE_ROOT . "public/photos/eleves/" . $rang['PHOTOEL'];
        if (!empty($rang['PHOTOEL']) && file_exists(ROOT . DS . "public" . DS . "photos" . DS . "eleves" . DS . $rang['PHOTOEL'])) {
            $graph->SetBackgroundImage($background, BGIMG_FILLPLOT);
            # $icon = new IconPlot($background, 25, 25, 0.8, 50);
//.........这里部分代码省略.........

	constant(imgdef($q['frame']['style'], 'BGRAD_MARGIN'))
); 
/**/
//$graph->SetFrame(false);
$graph->SetMarginColor(imgdef($q['frame']['margin'], '#d7d7d7'));
$graph->SetFrame(true, imgdef($q['frame']['color'], 'gray'), imgdef($q['frame']['width'], 1));
//$graph->SetShadow();
//$smooth = max(imgdef($q['smooth'], 10), 10);
$s = new Spline($datax, $datay);
list($x, $y) = $s->Get(count($datay) * $smooth);
// Create the bar pot
$p1 = new LinePlot($y);
$p1->SetLegend(imgdef($q['frame']['plot'][0]['_content'], 'Maximum') . " [{$maxconn}]");
$p1->SetWeight(imgdef($q['frame']['plot'][0]['weight'], 1));
$p1->SetFillColor(imgdef($q['frame']['plot'][0]['color'], 'blue@0.90'));
$p1->SetBarCenter();
$avg = intval($avg);
if ($avg) {
    $avgdata = array();
    for ($i = 0; $i < count($datay) * $smooth; $i++) {
        $avgdata[] = $avg;
    }
    $p2 = new LinePlot($avgdata);
    //	$p2->SetStyle('dashed');
    $p2->SetLegend(imgdef($q['frame']['plot'][1]['_content'], 'Average') . " [{$avg}]");
    $p2->SetWeight(imgdef($q['frame']['plot'][1]['weight'], 2));
    $p2->SetColor(imgdef($q['frame']['plot'][1]['color'], 'khaki4'));
    $p2->SetBarCenter();
    $graph->Add($p2);
    $graph->legend->SetAbsPos(imgdef($q['legend']['x'], 20), imgdef($q['legend']['y'], 15), imgdef($q['legend']['halign'], 'right'), imgdef($q['legend']['valign'], 'top'));
    $graph->legend->SetFillColor(imgdef($q['legend']['color'], 'lightblue@0.5'));

 /**
  * Execute the action
  * 
  * @return mixed
  * @access public
  * @since 2/28/08
  */
 public function execute()
 {
     // New graph with a drop shadow
     $graph = new Graph(800, 600, 'auto');
     $graph->SetShadow();
     // Use a "text" X-scale
     $graph->SetScale("textlin");
     // Specify X-labels
     //$databarx = array('tXi','','','xxx','','','iXii','','','OOO','','','tOO');
     $graph->xaxis->SetFont(FF_VERA, FS_NORMAL);
     $graph->xaxis->SetTickLabels($this->getLabels());
     $graph->xaxis->SetLabelAngle(45);
     $days = $this->getNumDays();
     // Between 3 and 20 weeks, use weekly intervals
     if ($days > 21 && $days < 140) {
         $graph->xaxis->SetTextLabelInterval(7);
     } else {
         if ($days >= 140) {
             $graph->xaxis->SetTextLabelInterval(round($days / 20));
         }
     }
     $graph->SetMargin(40, 20, 40, 80);
     // Set title and subtitle
     $title = _("Segue Usage for the past %1 %2");
     $title = str_replace('%1', $this->getIntervalSize(), $title);
     if ($this->getIntervalSize() == 1) {
         $unit = $this->getIntervalUnit();
     } else {
         $unit = $this->getIntervalUnit() . 's';
     }
     $title = str_replace('%2', ucfirst(strtolower($unit)), $title);
     $graph->title->Set($title);
     // Use built in font
     $graph->title->SetFont(FF_VERA, FS_BOLD);
     $graph->legend->SetFont(FF_VERA, FS_NORMAL);
     // Create the bar plot
     $b1 = new BarPlot($this->getEdits());
     $b1->SetLegend(_("Edits"));
     $b1->SetFillColor('#7778F3');
     $b2 = new BarPlot($this->getFiles());
     $b2->SetLegend(_("Files"));
     $b2->SetFillColor('#FFCB3F');
     $b3 = new BarPlot($this->getComments());
     $b3->SetLegend(_("Discussion Posts"));
     $b3->SetFillColor('#89DF6D');
     $accbar = new AccBarPlot(array($b1, $b2, $b3));
     $accbar->SetWidth(1);
     //$b1->SetShadow();
     $graph->Add($accbar);
     $line = new LinePlot($this->getErrors());
     $line->SetLegend(_("Errors"));
     $line->SetColor('#FF0000');
     $line->SetWeight(1);
     $line->SetBarCenter(true);
     $graph->Add($line);
     $line = new LinePlot($this->getLogins());
     $line->SetLegend(_("Logins"));
     $line->SetColor('#615FFF');
     $line->SetWeight(1);
     $line->SetBarCenter(true);
     $graph->Add($line);
     $line = new LinePlot($this->getUsers());
     $line->SetLegend(_("Distinct Users"));
     $line->SetColor('#0300FF');
     $line->SetWeight(3);
     $line->SetBarCenter(true);
     // For months and less, display value for the number of users
     if ($days < 32) {
         $line->value->Show();
         $line->value->HideZero();
         $line->value->SetFormat("%d");
     }
     $graph->Add($line);
     // Finally output the  image
     $graph->Stroke();
     exit;
 }