PHP PHPlot::SetXTickLabelPos方法代码示例

function graficoBarra($data, $archivo = "", $meta_data = array('titulo' => 'Sin Título', 'tituloX' => 'Eje X', 'tituloY' => 'Eje Y', 'color' => 'SkyBlue', 'width' => 800, 'height' => 600, 'angle' => 45), $legend = array("Datos"))
{
    # Objeto que crea el gráfico y su tama?o
    $plot = new PHPlot($meta_data['width'], $meta_data['height']);
    $plot->SetImageBorderType('plain');
    # Setea el archivo donde se guarda la imagen generada y no permite la visualización inmediata
    $plot->SetPrintImage(false);
    $plot->SetFileFormat("jpg");
    $plot->SetOutputFile($archivo);
    $plot->SetIsInline(true);
    # Envio de datos
    $plot->SetDataValues($data);
    # Tipo de gráfico y datos
    $plot->SetDataType("text-data");
    $plot->SetPlotType("bars");
    # Setiando el True type font
    //$plot->SetTTFPath(TTFPath);
    //$plot->SetUseTTF(TRUE);
    $plot->SetAxisFontSize(2);
    $plot->SetVertTickIncrement(7);
    //$plot->SetXTickLength(7);
    //$plot->SetDataColors($meta_data['color']);
    $plot->SetDataColors(array($meta_data['color'], 'red', 'white'));
    $plot->SetLegendPixels(1, 1);
    $plot->SetLegend($legend);
    # Etiquetas del eje Y:
    $plot->SetYTitle($meta_data['tituloY']);
    $plot->SetYDataLabelPos('plotin');
    # Título principal del gráfico:
    $plot->SetTitle($meta_data['titulo']);
    # Etiquetas eje X:
    $plot->SetXTitle($meta_data['tituloX']);
    if (isset($meta_data['angle'])) {
        $plot->SetXLabelAngle($meta_data['angle']);
    } else {
        $plot->SetXLabelAngle(45);
    }
    $plot->SetXTickLabelPos('none');
    $plot->SetXTickPos('none');
    # Método que dibuja el gráfico
    $plot->DrawGraph();
    $plot->PrintImage();
}

function plotGraph($data)
{
    //Define the object
    $plot = new PHPlot();
    $example_data = $data;
    $plot->SetDataValues($example_data);
    $plot->SetDataType('data-data');
    //Set titles
    $plot->SetTitle("temp and humi");
    $plot->SetXTitle('time');
    $plot->SetYTitle('Y Data');
    $legend = array('temp', 'humi');
    $plot->SetLegend($legend);
    $plot->SetXDataLabelAngle(90);
    //$plot->SetXGridLabelType("time");
    $plot->SetXTickLabelPos('xaxis');
    $plot->SetXTickPos('plotdown');
    $plot->SetXLabelType('time', '%H:%M');
    $plot->TuneXAutoTicks(10, 'date');
    //	$plot->SetXTickIncrement(.5);
    //$plot->SetXTickIncrement(60 * 24);
    $plot->SetPlotType('lines');
    //$plot->SetPlotAreaWorld(strtotime('00:00'), null, strtotime('23:59'), null);
    $plot->SetDrawXGrid(true);
    //Draw it
    $plot->DrawGraph();
}

function make_plot($plot_type, $data_type, $nx, $ny)
{
    $plot = new PHPlot(1280, 1024);
    $plot->SetPrintImage(False);
    $plot->SetFailureImage(False);
    $plot->SetDataType($data_type);
    $plot->SetDataValues(make_data_array($plot_type, $data_type, $nx, $ny, 100));
    $plot->SetPlotType($plot_type);
    $plot->SetTitle("Serialize/Unserialize Tests\n{$plot_type} - {$data_type}");
    $plot->SetXTickIncrement(5);
    $plot->SetYTickIncrement(10);
    $plot->SetPlotBorderType('full');
    $plot->SetDrawXGrid(True);
    $plot->SetDrawYGrid(True);
    $plot->SetXTitle('X Axis Title');
    $plot->SetYTitle('Y Axis Title');
    # Select data labels or tick labels based on data type:
    if ($data_type == 'data-data') {
        $plot->SetXDataLabelPos('none');
        $plot->SetXTickLabelPos('plotdown');
        $plot->SetXTickPos('plotdown');
    } elseif ($data_type == 'text-data') {
        $plot->SetXDataLabelPos('plotdown');
        $plot->SetXTickLabelPos('none');
        $plot->SetXTickPos('none');
    } elseif ($data_type == 'data-data-yx') {
        $plot->SetYDataLabelPos('none');
        $plot->SetYTickLabelPos('plotleft');
        $plot->SetYTickPos('plotleft');
    } elseif ($data_type == 'text-data-yx') {
        $plot->SetYDataLabelPos('plotleft');
        $plot->SetYTickLabelPos('none');
        $plot->SetYTickPos('none');
    }
    return $plot;
}

function testBars()
{
    # PHPlot Example: Bar chart, 3 data sets, unshaded
    $data = array(array('Jan', 40, 2, 4), array('Feb', 30, 3, 4), array('Mar', 20, 4, 4), array('Apr', 10, 5, 4), array('May', 3, 6, 4), array('Jun', 7, 7, 4), array('Jul', 10, 8, 4), array('Aug', 15, 9, 4), array('Sep', 20, 5, 4), array('Oct', 18, 4, 4), array('Nov', 16, 7, 4), array('Dec', 14, 3, 4));
    $plot = new PHPlot(800, 600);
    $plot->SetIsInline(true);
    $plot->SetImageBorderType('plain');
    $plot->SetPlotType('bars');
    $plot->SetDataType('text-data');
    $plot->SetDataValues($data);
    # Main plot title:
    $plot->SetTitle('Unshaded Bar Chart with 3 Data Sets');
    # No 3-D shading of the bars:
    $plot->SetShading(0);
    # Make a legend for the 3 data sets plotted:
    $plot->SetLegend(array('Engineering', 'Manufacturing', 'Administration'));
    # Turn off X tick labels and ticks because they don't apply here:
    $plot->SetXTickLabelPos('none');
    $plot->SetXTickPos('none');
    $plot->DrawGraph();
}

function BuatBarGraph($filetujuan, $prevtahun, $tahun, $arrStatusAplikan, $urutan, $gel)
{
    $arrPrevTotal = array();
    $arrCurTotal = array();
    FillArrayPeriod($arrPrevTotal, $arrStatusAplikan, $prevtahun, $gel);
    FillArrayPeriod($arrCurTotal, $arrStatusAplikan, $tahun, $gel);
    $maxPrevHeight = 0;
    $maxCurHeight = 0;
    foreach ($arrStatusAplikan as $stat) {
        $data[] = array($stat, $arrPrevTotal[$stat], $arrCurTotal[$stat]);
        $maxPrevHeight = $maxPrevHeight < $arrPrevTotal[$stat] ? $arrPrevTotal[$stat] : $maxPrevHeight;
        $maxCurHeight = $maxCurHeight < $arrCurTotal[$stat] ? $arrCurTotal[$stat] : $maxCurHeight;
    }
    $plot = new PHPlot(800, 600);
    //$plot->SetImageBorderType('raised');
    $plot->SetFont('y_label', 5);
    $plot->SetFont('x_label', 5);
    $plot->SetFont('title', 5);
    $plot->SetFont('legend', 5);
    $plot->setShading(10);
    $plot->SetPlotType('bars');
    $plot->SetDataType('text-data');
    $plot->SetDataValues($data);
    $plot->SetTitle('GRAFIK & DATA PMB GEL SISIPAN');
    $plot->SetLegend(array($prevtahun, $tahun));
    $plot->SetXTickLabelPos('none');
    $plot->SetXTickPos('none');
    $maxHeight = $maxPrevHeight < $maxCurHeight ? $maxCurHeight : $maxPrevHeight;
    $increment = $maxHeight <= 50 ? 5 : ($maxHeight <= 100 ? 10 : ($maxHeight <= 500 ? 50 : 100));
    $plot->SetYTickIncrement($increment);
    $plot->SetYDataLabelPos('plotin');
    $plot->SetIsInline(true);
    $plot->SetOutputFile($filetujuan);
    $plot->DrawGraph();
}

	/**
	* Generate a graph for this tag
	* @param string $tag
	* @param string $filePath
	* @return bool, success
	*/
	public function makePngGraph( $tag, $filePath ) {
		if( !function_exists( 'ImageCreate' ) ) {
			// GD is not installed
			return false;
		}
		global $wgPHPlotDir, $wgMemc;
		require_once( "$wgPHPlotDir/phplot.php" ); // load classes
		// Define the object
		$plot = new PHPlot( 1000, 400 );
		// Set file path
		$dir = dirname($filePath);
		// Make sure directory exists
		if( !file_exists($dir) && !wfMkdirParents( $dir, 0777, __METHOD__ ) ) {
			throw new MWException( 'Could not create file directory!' );
		}
		$plot->SetOutputFile( $filePath );
		$plot->SetIsInline( true );
		$data = array();
		$totalVal = $totalCount = $n = 0;
		// Define the data using the DB rows
		list($res,$u,$maxC,$days) = $this->doQuery( $tag );
		if( !$maxC ) {
			return false;
		}
		// Label spacing
		$int = intval( ceil($days/10) ); // 10 labels at most
		foreach( $res as $row ) {
			$totalVal += (int)$row->rfh_total;
			$totalCount += (int)$row->rfh_count;
			$dayCount = (real)$row->rfh_count;
			if( !$row->rfh_count ) {
				continue; // bad data
			}
			// Nudge values up by 1
			$dayAve = 1 + (real)$row->rfh_total/(real)$row->rfh_count;
			$cumAve = 1 + (real)$totalVal/(real)$totalCount;
			$year = intval( substr( $row->rfh_date, 0, 4 ) );
			$month = intval( substr( $row->rfh_date, 4, 2 ) );
			$day = intval( substr( $row->rfh_date, 6, 2 ) );
			# Fill in days with no votes to keep spacing even
			if( isset($lastDate) ) {
				$dayGap = wfTimestamp(TS_UNIX,$row->rfh_date) - wfTimestamp(TS_UNIX,$lastDate);
				$x = intval( $dayGap/86400 );
				# Day gaps...
				for( $x; $x > 1; --$x ) {
					$data[] = array("",$lastDAve,$lastRAve,0);
					$n++;
				}
			}
			$n++;
			# Label point?
			if( $n >= $int || !count($data) ) {
				$p = ($days > 31) ? "{$month}-".substr( $year, 2, 2 ) : "{$month}/{$day}";
				$n = 0;
			} else {
				$p = "";
			}
			$data[] = array( $p, $dayAve, $cumAve, $dayCount );
			$lastDate = $row->rfh_date;
			$lastDAve = $dayAve;
			$lastRAve = $cumAve;
		}
		// Minimum sample size
		if( count($data) < 2 ) {
			return false;
		}
		// Re-scale voter count to fit to graph
		$this->dScale = ceil($maxC/5);
		// Cache the scale value to memory
		$key = wfMemcKey( 'feedback', 'scale', $this->page->getArticleId(), $this->period );
		$wgMemc->set( $key, $this->dScale, 7*24*3600 );
		// Fit to [0,4]
		foreach( $data as $x => $dataRow ) {
			$data[$x][3] = $dataRow[3]/$this->dScale;
		}
		$plot->SetDataValues($data);
		$plot->SetPointShapes( array('dot','dot','dot') );
		$plot->setPointSizes( array(1,1,4) );
		$plot->SetDataColors( array('blue','green','red') );
		$plot->SetLineStyles( array('solid','solid','solid') );
		$plot->SetBackgroundColor('#F8F8F8');
		// Turn off X axis ticks and labels because they get in the way:
		$plot->SetXTickLabelPos('none');
		$plot->SetXTickPos('none');
		$plot->SetYTickIncrement( .5 );
		// Set plot area
		$plot->SetPlotAreaWorld( 0, 0, null, 5 );
		// Show total number of votes
		$plot->SetLegend( array("#{$totalCount}") );
		// Draw it!
		$plot->DrawGraph();
		return true;
	}

# To get a repeatable test with 'random' data:
mt_srand(1);
# Need a base date/time: Can't just use 0 due to UTC/local differences:
$base_time = mktime(0, 0, 0, 1, 1, 2000);
# Twenty minutes:
$interval = 20 * 60;
# Random data at intervals:
$data = array();
$t = $base_time;
for ($i = 1; $i <= 12; $i++) {
    $data[] = array('', $t, mt_rand(0, 100));
    $t += $interval;
}
$p = new PHPlot(600, 400);
$p->SetTitle('Meaningless Data with Time X Tick Labels');
$p->SetDataType('data-data');
$p->SetDataValues($data);
$p->SetXLabelType('time');
$p->SetXTimeFormat('%H:%M');
$p->SetXTitle('Elapsed Time (hours:minutes)');
# Turn off X data labels, use tick labels only:
$p->SetXDataLabelPos('none');
$p->SetXTickLabelPos('plotdown');
# Even though tick values are given, it makes up its own unless:
$p->SetXTickIncrement($interval);
$p->SetDrawXGrid(True);
# Set the Y min and max, since the data is 0:100
$p->SetPlotAreaWorld(NULL, 0, NULL, 100);
$p->SetYTitle('Meaningless Value');
$p->SetPlotType('lines');
$p->DrawGraph();

        $graph->SetDrawXGrid(TRUE);
        $graph->SetDrawYGrid(FALSE);
        break;
    case 'y':
        $graph->SetDrawXGrid(FALSE);
        $graph->SetDrawYGrid(TRUE);
        break;
    case 'both':
        $graph->SetDrawXGrid(TRUE);
        $graph->SetDrawYGrid(TRUE);
        break;
    case 'none':
        $graph->SetDrawXGrid(FALSE);
        $graph->SetDrawYGrid(FALSE);
}
$graph->SetXTickLabelPos($which_xtick_label_pos);
$graph->SetYTickLabelPos($which_ytick_label_pos);
$graph->SetXDataLabelPos($which_xdata_label_pos);
$graph->SetYDataLabelPos($which_ydata_label_pos);
// Please remember that angles other than 90 are taken as 0 when working fith fixed fonts.
$graph->SetXLabelAngle($which_xlabel_angle);
$graph->SetYLabelAngle($which_ylabel_angle);
//$graph->SetLineStyles(array("dashed","dashed","solid","solid"));
$graph->SetPointShape($which_point);
$graph->SetPointSize($which_point_size);
$graph->SetDrawBrokenLines($which_broken);
// Some forms in format_chart.php don't set this variable, suppress errors.
@$graph->SetErrorBarShape($which_error_type);
$graph->SetXAxisPosition($which_xap);
$graph->SetYAxisPosition($which_yap);
$graph->SetPlotBorderType($which_btype);

 function solicitudes_reparacion_por_operario($id_operario, $año)
 {
     $this->loadModel('ReparacionSolicitud');
     $this->loadModel('Funcionario');
     $meses = $this->ReparacionSolicitud->query("SELECT MONTH(archivada) AS mes FROM reparacion_solicitudes WHERE estado='a' AND ejecutada=1 AND YEAR(archivada)=" . $año . " GROUP BY MONTH(archivada)");
     if (!empty($meses)) {
         // Inicializamos el arreglo en ceros (para los meses ke no tienen solicitudes).
         $total = array();
         for ($i = 1; $i <= 12; $i++) {
             $total[$i][0][0] = array('cuenta' => 0);
         }
         foreach ($meses as $mes) {
             $cant_solicitudes = $this->ReparacionSolicitud->query("SELECT COUNT(*) AS cuenta FROM reparacion_solicitudes WHERE id_funcionario=" . $id_operario . " AND estado='a' AND ejecutada=1 AND YEAR(archivada)=" . $año . " AND MONTH(archivada)=" . $mes[0]['mes']);
             $total[$mes[0]['mes']] = $cant_solicitudes;
         }
         if (!empty($total)) {
             $operario = $this->Funcionario->find('first', array('conditions' => array('Funcionario.id' => $id_operario), 'fields' => array('Funcionario.nombre')));
             foreach ($total as $mes => $arreglo_mes) {
                 $arreglo_plot[] = array($this->meses[$mes], $arreglo_mes[0][0]['cuenta']);
             }
             $plot = new PHPlot(890, 450);
             $plot->SetDataValues($arreglo_plot);
             $plot->SetDataType('text-data');
             // Fuentes
             $plot->SetUseTTF(true);
             $plot->SetFontTTF('legend', 'FreeSans.ttf', 9);
             $plot->SetFontTTF('title', 'FreeSans.ttf', 14);
             $plot->SetFontTTF('y_label', 'FreeSans.ttf', 10);
             $plot->SetFontTTF('x_label', 'FreeSans.ttf', 10);
             $plot->SetFontTTF('y_title', 'FreeSans.ttf', 14);
             // Titulos
             $plot->SetTitle("\nSolicitudes de reparación\natendidas por " . mb_convert_case($operario['Funcionario']['nombre'], MB_CASE_TITLE, "UTF-8"));
             $plot->SetXTitle('AÑO ' . $año);
             $plot->SetYTitle('# SOLICITUDES');
             // Etiquetas
             $plot->SetXTickLabelPos('none');
             $plot->SetXTickPos('none');
             $plot->SetYTickLabelPos('none');
             $plot->SetYTickPos('none');
             $plot->SetYDataLabelPos('plotin');
             $plot->SetDrawXGrid(true);
             // Leyenda
             $leyenda = array('Solicitudes de Reparación');
             $plot->SetLegend($leyenda);
             $plot->SetLegendPixels(703, 0);
             $plot->SetPlotType('bars');
             $plot->SetShading(7);
             $plot->DrawGraph();
         }
     }
 }

 if ($stat['ytitle']) {
     $graph->SetYTitle($stat['ytitle'], 'plotleft');
 }
 // plotleft, plotright, both, plotin, none
 // Remember that angles other than 90 are taken as 0 when working with fixed fonts.
 if (isset($stat['x_label_angle'])) {
     $graph->SetXLabelAngle($stat['x_label_angle']);
 } else {
     $graph->SetXLabelAngle(0);
 }
 $graph->SetYLabelAngle(0);
 if (!(isset($stat['tick_increment_y']) && $stat['tick_increment_y'])) {
     $stat['tick_increment_y'] = stats__get_y_increment($stat['data']);
 }
 $graph->SetYTickIncrement($stat['tick_increment_y']);
 $graph->SetXTickLabelPos('plotdown');
 // plotup, plotdown, both, xaxis, none
 $graph->SetYTickLabelPos('both');
 // plotleft, plotright, both, yaxis, none
 $graph->SetXTickPos('plotdown');
 // plotup, plotdown, both, xaxis, none
 $graph->SetYTickPos('both');
 // plotleft, plotright, both, yaxis, none
 //Set some data
 if ($stat['reverse_data']) {
     $data = array_reverse($stat['data']);
 } else {
     $data = $stat['data'];
 }
 $graph->SetDataValues($data);
 $graph->SetXTickLabelPos('none');

require_once 'phplot.php';
# Notes: You can't have both X tick and data labels on, because if
# you turn one on PHPlot turns the other off.
# 'xtick' need only be set if you want it different from 'xticklabel', for
# example to have X tick marks and data labels.
$data = array(array('AAA', 0, 0), array('BBB', 1, 8), array('CCC', 2, 3), array('DDD', 3, 7), array('EEE', 4, 5));
$p = new PHPlot(400, 300);
$p->SetTitle($tp['title'] . $tp['suffix']);
$p->SetDataType('data-data');
$p->SetDataValues($data);
$p->SetPlotAreaWorld(0, 0, 4, 10);
$p->SetXTickIncrement(1);
$p->SetYTickIncrement(1);
$p->SetPlotBorderType('full');
$p->SetXDataLabelPos($tp['xdatalabel']);
$p->SetXTickLabelPos($tp['xticklabel']);
if (isset($tp['xtick'])) {
    $p->SetXTickPos($tp['xtick']);
} else {
    $p->SetXTickPos($tp['xticklabel']);
}
$p->SetYTickLabelPos($tp['yticklabel']);
$p->SetYTickPos($tp['yticklabel']);
$p->SetXTitle('X TITLE');
$p->SetYTitle('Y TITLE');
# Tick skip tests:
if (isset($tp['skiptick'])) {
    $s = $tp['skiptick'];
    $n = strlen($s);
    for ($i = 0; $i < $n; $i++) {
        switch ($s[$i]) {

# Uncomment this and the require above for tracing:
#$p->SetCallback('debug_scale', 'debug_handler');
$p->SetDataType('data-data');
$p->SetDataValues($data);
$p->SetPlotBorderType('full');
$p->SetPlotAreaWorld($x0, $y0, $x1, $y1);
if ($tp['do_title']) {
    $p->SetTitle($tp['title'] . $tp['suffix']);
}
$p->SetXDataLabelPos('none');
$p->SetXTitle($x_title, $tp['x_title_pos']);
$p->SetYTitle($y_title, $tp['y_title_pos']);
$p->SetXTickIncrement(1);
$p->SetYTickIncrement(10);
if (isset($tp['xdatalabel'])) {
    $p->SetXTickLabelPos('none');
    $p->SetXDataLabelPos($tp['xdatalabel']);
} else {
    $p->SetXTickLabelPos($tp['xticklabel']);
}
if (isset($tp['xtick'])) {
    $p->SetXTickPos($tp['xtick']);
} else {
    $p->SetXTickPos($tp['xticklabel']);
}
$p->SetYTickLabelPos($tp['yticklabel']);
if (isset($tp['ytick'])) {
    $p->SetYTickPos($tp['ytick']);
} else {
    $p->SetYTickPos($tp['yticklabel']);
}

//.........这里部分代码省略.........
     $arr = $this->leerstand_finden_monat($objekt_id, $datum_vormonat);
     $anz_leer_vormonat = count($arr);
     // unset($arr);
     $arr_leer = $this->leerstand_finden_monat($objekt_id, $datum_heute);
     $anz_leer_akt = count($arr_leer);
     $anz_vermietet = $anz_einheiten_alle - $anz_leer_akt;
     $leere = $this->array_intersect_recursive($arr_leer, $arr, 'EINHEIT_KURZNAME');
     $vermietete = $this->array_intersect_recursive($arr, $arr_leer, 'EINHEIT_KURZNAME');
     $leer_akt_string = '';
     $anz__L = count($leere);
     if ($anz__L > 0) {
         for ($ee = 0; $ee < $anz__L; $ee++) {
             $leer_akt_string .= $leere[$ee] . "\n";
         }
     }
     $vermietet_akt_string = '';
     $anz__V = count($vermietete);
     // print_r($vermietete);
     if ($anz__V > 0) {
         for ($ee = 0; $ee < $anz__V; $ee++) {
             $vermietet_akt_string .= $vermietete[$ee] . "\n";
         }
     }
     // unset($arr);
     /*
      * $mvs = new mietvertraege;
      * $anz_ausgezogene = $mvs->anzahl_ausgezogene_mieter($objekt_id, $jahr, $monat);
      * $anz_eingezogene = $mvs->anzahl_eingezogene_mieter($objekt_id, $jahr, $monat);
      */
     $bilanz_akt = $anz__V - $anz__L;
     // 0-1 = -1;
     $z = 0;
     /*
      * $data[$z][] = "ALLE\nAKTUELL";
      * $data[$z][] = $anz_einheiten_alle;
      *
      * $data[$z][] = 0;
      * $data[$z][] = 0;
      *
      */
     // $z++;
     /*
      * $data[$z][] = "LEER\nVERM.";
      * $data[$z][] = 0;
      * $data[$z][] = $anz_vermietet;
      * $data[$z][] = $anz_leer_akt;
      */
     $data[$z][] = "VOR-\nMONAT";
     $data[$z][] = 0;
     $data[$z][] = $anz_leer_vormonat;
     $z++;
     $data[$z][] = "LEER-\nAKTUELL";
     $data[$z][] = 0;
     $data[$z][] = 0;
     $data[$z][] = $anz_leer_akt;
     $z++;
     $data[$z][] = "LEER\n\n{$leer_akt_string}";
     $data[$z][] = '0';
     $data[$z][] = '0';
     $data[$z][] = $anz__L;
     $z++;
     $data[$z][] = "VERM.\n\n{$vermietet_akt_string}";
     $data[$z][] = '0';
     $data[$z][] = $anz__V;
     $z++;
     $data[$z][] = "BILANZ\nEIN/AUS";
     if ($bilanz_akt < 0) {
         $data[$z][] = 0;
         $data[$z][] = 0;
         $data[$z][] = 0;
         $data[$z][] = 0;
         $data[$z][] = $bilanz_akt;
     } else {
         $data[$z][] = 0;
         $data[$z][] = $bilanz_akt;
     }
     // $z++;
     $plot->SetYDataLabelPos('plotstack');
     $plot->SetDataValues($data);
     // Main plot title:
     $plot->SetTitle("{$oo->objekt_kurzname} {$monat}/{$jahr}");
     // No 3-D shading of the bars:
     $plot->SetShading(0);
     // Make a legend for the 3 data sets plotted:
     // $plot->SetLegend(array('Mieteinnahmen', 'Leerstand'));
     // $plot->SetLegend(array('MIETE'));
     // Turn off X tick labels and ticks because they don't apply here:
     $plot->SetXTickLabelPos('none');
     $plot->SetXTickPos('none');
     // Draw it
     $plot->SetIsInline(true);
     $plot->DrawGraph();
     // echo "<hr>$plot->img ";
     // $plot->PrintImageFrame();
     // $ima = $plot->PrintImage();
     $ima = $plot->EncodeImage();
     // ob_clean();
     return $ima;
     // echo "<img src=\"$ima\"></img>";
 }

# this script. The parameters are shown in the defaults array below:
if (!isset($tp)) {
    $tp = array();
}
$tp = array_merge(array('title' => 'Tick Count:', 'xmin' => 0, 'xmax' => 98, 'ymin' => 0, 'ymax' => 55, 'xti' => 10, 'yti' => 10), $tp);
require_once 'phplot.php';
# The data points don't matter at all. The range is set with SetPlotAreaWorld.
$data = array(array('', 0, 0), array('', 1, 1));
$p = new PHPlot();
$subtitle = " World: ({$tp['xmin']}, {$tp['ymin']}) :" . " ({$tp['xmax']}, {$tp['ymax']})" . " Tickstep: ({$tp['xti']}, {$tp['yti']})";
$p->SetTitle($tp['title'] . $subtitle);
$p->SetDataType('data-data');
$p->SetDataValues($data);
$p->SetXDataLabelPos('none');
$p->SetXTitle('X');
$p->SetYTitle('Y');
$p->SetPlotAreaWorld($tp['xmin'], $tp['ymin'], $tp['xmax'], $tp['ymax']);
$p->SetXTickIncrement($tp['xti']);
$p->SetYTickIncrement($tp['yti']);
#$p->SetSkipTopTick(False);
# Draw both grids:
$p->SetDrawXGrid(True);
$p->SetDrawYGrid(True);
# Axes on all sides:
$p->SetXTickPos('both');
$p->SetXTickLabelPos('both');
$p->SetYTickPos('both');
$p->SetYTickLabelPos('both');
$p->SetPlotBorderType('full');
$p->SetPlotType('lines');
$p->DrawGraph();

 function graficarDemandaPronosticoError($oData)
 {
     $sql = "select\r\n\t\t\t\tdate_format(c1.fecha_fin, '%d/%m/%Y') fecha_fin, \r\n\t\t\t\tcantidad_demandada, \r\n\t\t\t\tprediccion, \r\n\t\t\t\terror,\r\n\t\t\t\tsenial \r\n\t\t\t\tfrom (\r\n\t\t\t\t\tselect\r\n\t\t\t\t\tfecha_fin, \r\n\t\t\t\t\tcantidad_demandada, \r\n\t\t\t\t\tprediccion, \r\n\t\t\t\t\terror, \r\n\t\t\t\t\tsenial \r\n\t\t\t\t\tfrom predicciones t1 \r\n\t\t\t\t\tinner join periodos t2 on t1.id_periodo = t2.id_periodo \r\n\t\t\t\t\twhere id_producto= " . $oData["id_producto"] . " \r\n\t\t\t\t\torder by fecha_fin asc) c1";
     $rs = getRS($sql);
     $data = array();
     $nro = getNrosRows($rs);
     $flag = 1;
     if ($nro) {
         while ($row = getRow($rs)) {
             if ($flag) {
                 $inicio = $row['fecha_fin'];
                 $flag = 0;
             }
             $nro--;
             if ($nro == 0) {
                 $fin = $row['fecha_fin'];
             }
             $data[] = array('', $row['cantidad_demandada'], $row['prediccion'], $row['error'], $row['senial']);
         }
     }
     $plot = new PHPlot(800, 465);
     //$plot->SetImageBorderType('plain');
     $plot->SetPlotType('lines');
     //tipo de gráfico
     $plot->SetDataType('text-data');
     $plot->SetDataValues($data);
     $plot->SetTitle('Demanda real, predicción, error y señal de rastreo. Periodo ' . $inicio . ' al ' . $fin);
     //Título
     $plot->SetLegend(array('Demanda real', 'Pronóstico', 'Error', 'Señal de rastreo'));
     //Referencia
     $plot->SetLineWidths(2);
     //ancho de la linea
     $plot->SetLineStyles("solid");
     //estilo de la linea
     $plot->SetDataColors(array('green', 'blue', 'red', 'purple'));
     $plot->SetXTickLabelPos('none');
     $plot->SetXTickPos('none');
     # Draw both grids:
     $plot->SetDrawXGrid(True);
     $plot->SetDrawYGrid(True);
     $plot->DrawGraph();
 }