if ($stackeddrawn) {
         break;
     }
     if ($barexists || $overlayexists) {
         foreach ($plot as $k1 => $v1) {
             if ($v1["type"] == "BAR" || $v1["type"] == "STACKEDBAR" || $v1["type"] == "OVERLAYBAR") {
                 setSerieDrawable($plot, $graphData, $v1["name"] . $k1, TRUE);
             }
         }
     }
     $stackeddrawn = true;
     if ($stackedexists) {
         $graphImage->drawStackedBarGraph($graphData->GetData(), $graphData->GetDataDescription(), 90);
     } else {
         if ($overlayexists) {
             $graphImage->drawOverlayBarGraph($graphData->GetData(), $graphData->GetDataDescription(), 90);
         } else {
             $graphImage->drawBarGraph($graphData->GetData(), $graphData->GetDataDescription());
         }
     }
     break;
 case "SCATTER":
     if ($scatterdrawn) {
         break;
     }
     $scatterdrawn = true;
     $series1 = false;
     $series2 = false;
     $graphImage->reportWarnings("GD");
     $ct = 0;
     foreach ($plot as $k1 => $v1) {
Example #2
0
 function generate_graph_image($outputfile)
 {
     // Create Graph Dataset and set axis attributes
     $graphData = new pData();
     $graphData->setYAxisName($this->ytitle);
     $graphData->AddPoint($this->xlabels, "xaxis");
     //$graphData->SetSerieName("xaxis","xaxis");
     $graphData->SetAbsciseLabelSerie("xaxis");
     $graphData->setXAxisName($this->xtitle);
     // Add each series of plot values to dataset, but Reportico will
     // duplicate series were the same data are displayed in different forms
     // so only add each unique series once
     $seriesadded = array();
     foreach ($this->plot as $k => $v) {
         $series = $v["name"] . $k;
         $graphData->AddPoint($v["data"], $series);
         $graphData->SetSerieName($v["legend"], $series);
         $graphData->AddSerie($series);
     }
     /*
     switch ( $this->xgriddisplay )
     {
     	case "all":
     		$graph->xgrid->Show(true,true);
     		break;
     	case "major":
     		$graph->xgrid->Show(true,false);
     		break;
     	case "minor":
     		$graph->xgrid->Show(false,true);
     		break;
     	case "none":
     	default:
     		$graph->xgrid->Show(false,false);
     		break;
     }
     
     switch ( $this->ygriddisplay )
     {
     	case "all":
     		$graph->ygrid->Show(true,true);
     		break;
     	case "major":
     		$graph->ygrid->Show(true,false);
     		break;
     	case "minor":
     		$graph->ygrid->Show(false,true);
     		break;
     	case "none":
     	default:
     		$graph->ygrid->Show(false,false);
     		break;
     }
     */
     /*
     $graph->xaxis->SetFont($fontfamilies[$xaxisfont],$fontstyles[$xaxisfontstyle], $xaxisfontsize);
     $graph->xaxis->SetColor($xaxiscolor,$xaxisfontcolor);
     $graph->yaxis->SetFont($fontfamilies[$yaxisfont],$fontstyles[$yaxisfontstyle], $yaxisfontsize);
     $graph->yaxis->SetColor($yaxiscolor,$yaxisfontcolor);
     $graph->xaxis->title->SetFont($fontfamilies[$xtitlefont],$fontstyles[$xtitlefontstyle], $xtitlefontsize);
     $graph->xaxis->title->SetColor($xtitlecolor);
     $graph->yaxis->title->SetFont($fontfamilies[$ytitlefont],$fontstyles[$ytitlefontstyle], $ytitlefontsize);
     $graph->yaxis->title->SetColor($ytitlecolor);
     $graph->xaxis->SetLabelAngle(90);
     $graph->xaxis->SetLabelMargin(15); 
     $graph->yaxis->SetLabelMargin(15); 
     $graph->xaxis->SetTickLabels($this->xlabels);
     $graph->xaxis->SetTextLabelInterval($xticklabint);
     $graph->yaxis->SetTextLabelInterval($yticklabint);
     $graph->xaxis->SetTextTickInterval($xtickinterval);
     $graph->yaxis->SetTextTickInterval($ytickinterval);
     */
     /*
     if ( $gridpos == "front" )
     	$graph->SetGridDepth(DEPTH_FRONT); 
     */
     // Display the graph
     /*?$graph->Stroke();*/
     $this->apply_defaults_internal();
     //echo $this->width_pdf_actual.",".$this->height_pdf_actual."<BR>";
     $graphImage = new pChart($this->width_pdf_actual, $this->height_pdf_actual);
     /* Turn of Antialiasing */
     $graphImage->Antialias = TRUE;
     // Add gradient fill from chosen background color to white
     $startgradient = htmltorgb("#ffffff");
     //$graphImage->drawGradientArea(0,0,$width,$height,DIRECTION_VERTICAL,array(
     //"StartR"=>$startgradient[0], "StartG"=>$startgradient[1], "StartB"=>$startgradient[2],
     //"EndR"=>$color[0], "EndG"=>$color[1], "EndB"=>$color[2],"Alpha"=>100));
     /* Add a border to the picture */
     //$graphImage->drawRectangle(0,0,$width - 1,$height - 1,200,200,200);
     $graphImage->setFontProperties(PCHARTFONTS_DIR . $this->xaxisfont, $this->xaxisfontsize);
     /* Define the chart area */
     $graphImage->setGraphArea($this->marginleft_actual, $this->margintop_actual, $this->width_pdf_actual - $this->marginright_actual, $this->height_pdf_actual - $this->marginbottom_actual);
     $graphImage->drawFilledRoundedRectangle(3, 3, $this->width_pdf_actual - 3, $this->height_pdf_actual - 3, 5, 240, 240, 240);
     $graphImage->drawRoundedRectangle(1, 1, $this->width_pdf_actual - 1, $this->height_pdf_actual - 1, 5, 230, 230, 230);
     // Before plotting a series ensure they are all not drawable.
     /// Plot the chart data
     $stackeddrawn = false;
     $linedrawn = false;
     $scatterdrawn = false;
     $piedrawn = false;
     $stackedexists = false;
     $overlayexists = false;
     $barexists = false;
     foreach ($this->plot as $k => $v) {
         if ($v["type"] == "OVERLAYBAR") {
             $overlayexists = true;
         }
         if ($v["type"] == "STACKEDBAR") {
             $stackedexists = true;
         }
         if ($v["type"] == "STACKEDBAR" || $v["type"] == "BAR") {
             $barexists = true;
         }
         // Set plot colors
         if ($v["linecolor"]) {
             $graphImage->Palette[$k] = htmltorgb_pchart($v["linecolor"]);
         }
         $url .= "&plotlinecolor{$k}=" . $v["linecolor"];
     }
     $scale_drawing_mode = SCALE_NORMAL;
     $scale_drawing_mode = SCALE_START0;
     // For stacked charts fix up the Max and Min values;
     if ($stackedexists) {
         $scale_drawing_mode = SCALE_ADDALL;
         $scaleMin = "Unknown";
         $scaleMax = 0;
         $min = false;
         $max = false;
         foreach ($plot as $k => $v) {
             if ($v["type"] == "BAR" || $v["type"] == "STACKEDBAR") {
                 $series = $v["name"] . $k;
                 minmaxValueOfSeries($v["data"], $min, $max);
                 if ($scaleMin == "Unknown" || $min < $scaleMin) {
                     $scaleMin = $min;
                 }
                 $scaleMax = $scaleMax + $max;
             }
         }
         if ($scaleMin > 0) {
             $scaleMin = 0;
         }
         $range = $scaleMax - $scaleMin;
         // Make scales based on 5% of the range of values
         $scaleMax = round($range * 0.05 + $scaleMax);
         if ($scaleMin < 0) {
             $scaleMin = $scaleMin - round($range * 0.05);
         }
         $AxisBoundaries = array(0 => array("Min" => $scaleMin, "Max" => $scaleMax));
     } else {
         if ($barexists || $overlayexists) {
             $scaleMin = "Unknown";
             $scaleMax = 0;
             $min = false;
             $max = false;
             foreach ($this->plot as $k => $v) {
                 if ($v["type"] == "BAR" || $v["type"] == "STACKEDBAR") {
                     $series = $v["name"] . $k;
                     minmaxValueOfSeries($v["data"], $min, $max);
                     if ($scaleMin == "Unknown" || $min < $scaleMin) {
                         $scaleMin = $min;
                     }
                     if ($scaleMax == "Unknown" || $max > $scaleMax) {
                         $scaleMax = $max;
                     }
                 }
             }
             if ($scaleMin > 0) {
                 $scaleMin = 0;
             }
             $range = $scaleMax - $scaleMin;
             // Make scales based on 5% of the range of values
             $scaleMax = round($range * 0.05 + $scaleMax);
             if ($scaleMin < 0) {
                 $scaleMin = $scaleMin - round($range * 0.05);
             }
             $AxisBoundaries = array(0 => array("Min" => $scaleMin, "Max" => $scaleMax));
         }
     }
     //echo "<PRE>";
     //var_dump($graphData->GetDataDescription());
     //die;
     // Find out if a scale is required, will be except for pie charts
     $scalerequired = false;
     foreach ($this->plot as $k => $v) {
         switch ($v["type"]) {
             case "BAR":
             case "STACKEDBAR":
             case "OVERLAYBAR":
             case "LINE":
                 $scalerequired = "NORMAL";
                 break;
             case "SCATTER":
                 $scalerequired = "SCATTER";
                 break;
         }
     }
     $graphImage->setFontProperties(PCHARTFONTS_DIR . $this->xtitlefont, $this->xtitlefontsize);
     if ($scalerequired) {
         $graphImage->setGraphArea($this->marginleft_actual, $this->margintop_actual, $this->width_pdf_actual - $this->marginright, $this->height_pdf_actual - $this->marginbottom_actual);
         $graphImage->drawGraphAreaGradient(240, 240, 240, -20);
         // Automatic generation of x tick interval based on number of ticks
         if ($this->xticklabelinterval_actual == "AUTO") {
             $labct = count($this->plot[0]["data"]);
             $this->xticklabelinterval_actual = floor($labct / 35) + 1;
         }
         if ($scalerequired == "NORMAL") {
             $graphImage->drawScale($graphData->GetData(), $graphData->GetDataDescription(), $scale_drawing_mode, 0, 0, 0, TRUE, 40, FALSE, TRUE, $this->xticklabelinterval_actual, FALSE);
         }
         $graphImage->drawGrid(2, TRUE, 230, 230, 230, 45);
     } else {
         $this->marginright = 5;
         $this->marginbottom = 5;
         $this->marginleft = 5;
         $this->marginright_actual = 5;
         $this->marginbottom_actual = 5;
         $this->marginleft_actual = 5;
         //$this->margintop_actual = 5;
         $graphImage->setGraphArea($this->marginleft, $this->margintop_actual, $this->width_pdf_actual - $this->marginright, $this->height_pdf_actual - $this->marginbottom);
         $graphImage->drawGraphAreaGradient(240, 240, 240, -10);
     }
     // If there's a Pie chart we want to draw different legends
     $piechart = false;
     foreach ($this->plot as $k => $v) {
         disableAllSeries($this->plot, $graphData);
         $series = $v["name"] . $k;
         setSerieDrawable($this->plot, $graphData, $series, TRUE);
         switch ($v["type"]) {
             case "PIE":
                 $piedrawn = true;
                 $piechart = true;
                 $graphImage->drawFilledCircle($this->width_pdf_actual / 2 + 2, $this->margintop_actual + 2 + ($this->height_pdf_actual - $this->margintop_actual - $this->marginbottom_actual) / 2, ($this->height_pdf_actual - $this->marginbottom_actual - $this->margintop_actual - 20) * 0.45 + 1, 200, 200, 200);
                 $graphImage->drawBasicPieGraph($graphData->GetData(), $graphData->GetDataDescription(), $this->width_pdf_actual / 2, $this->margintop_actual + ($this->height_pdf_actual - $this->margintop_actual - $this->marginbottom_actual) / 2, ($this->height_pdf_actual - $this->marginbottom_actual - $this->margintop_actual - 20) * 0.45, PIE_PERCENTAGE_LABEL, 255, 255, 218);
                 break;
             case "PIE3D":
                 $piedrawn = true;
                 $piechart = true;
                 $graphImage->drawPieGraph($graphData->GetData(), $graphData->GetDataDescription(), $this->width_pdf_actual / 2, $this->margintop_actual + ($this->height_pdf_actual - $this->margintop_actual - $this->marginbottom_actual) / 2, ($this->height_pdf_actual - $this->marginbottom_actual - $this->margintop_actual - 20) * 0.5, PIE_PERCENTAGE_LABEL, true, 60, 20, 0, 0);
                 break;
             case "OVERLAYBAR":
             case "STACKEDBAR":
             case "BAR":
                 if ($stackeddrawn) {
                     break;
                 }
                 if ($barexists || $overlayexists) {
                     foreach ($this->plot as $k1 => $v1) {
                         if ($v1["type"] == "BAR" || $v1["type"] == "STACKEDBAR" || $v1["type"] == "OVERLAYBAR") {
                             setSerieDrawable($this->plot, $graphData, $v1["name"] . $k1, TRUE);
                         }
                     }
                 }
                 $stackeddrawn = true;
                 if ($stackedexists) {
                     $graphImage->drawStackedBarGraph($graphData->GetData(), $graphData->GetDataDescription(), 90);
                 } else {
                     if ($overlayexists) {
                         $graphImage->drawOverlayBarGraph($graphData->GetData(), $graphData->GetDataDescription(), 90);
                     } else {
                         $graphImage->drawBarGraph($graphData->GetData(), $graphData->GetDataDescription());
                     }
                 }
                 break;
             case "SCATTER":
                 if ($scatterdrawn) {
                     break;
                 }
                 $scatterdrawn = true;
                 $series1 = false;
                 $series2 = false;
                 $graphImage->reportWarnings("GD");
                 $ct = 0;
                 foreach ($this->plot as $k1 => $v1) {
                     if ($v1["type"] == "SCATTER") {
                         if ($ct == 0) {
                             $series1 = $v1["name"] . $k1;
                         }
                         if ($ct == 1) {
                             $series2 = $v1["name"] . $k1;
                         }
                         $ct++;
                         setSerieDrawable($this->plot, $graphData, $v1["name"] . $k1, TRUE);
                     }
                 }
                 if (count($v["data"]) == 1) {
                     $v["data"][] = 0;
                 }
                 $graphImage->drawXYScale($graphData->GetData(), $graphData->GetDataDescription(), $series1, $series2, 0, 0, 0);
                 //$graphImage->drawXYGraph($graphData->GetData(), $graphData->GetDataDescription(), $series1, $series2);
                 $graphImage->drawXYPlotGraph($graphData->GetData(), $graphData->GetDataDescription(), $series1, $series2);
                 $graphImage->writeValues($graphData->GetData(), $graphData->GetDataDescription(), $series2);
                 break;
             case "LINE":
             default:
                 if ($linedrawn) {
                     break;
                 }
                 $linedrawn = true;
                 foreach ($this->plot as $k1 => $v1) {
                     if ($v1["type"] == "LINE") {
                         setSerieDrawable($this->plot, $graphData, $v1["name"] . $k1, TRUE);
                     }
                 }
                 if (count($v["data"]) == 1) {
                     $v["data"][] = 0;
                 }
                 $graphImage->LineWidth = 1;
                 $graphImage->drawLineGraph($graphData->GetData(), $graphData->GetDataDescription());
                 $graphImage->drawPlotGraph($graphData->GetData(), $graphData->GetDataDescription());
                 $graphImage->LineWidth = 1;
                 break;
         }
     }
     foreach ($this->plot as $k1 => $v1) {
         setSerieDrawable($this->plot, $graphData, $v1["name"] . $k1, TRUE);
     }
     // Draw Legend if legend value has been set
     $drawlegend = false;
     foreach ($this->plot as $k => $v) {
         if (isset($v["legend"]) && $v["legend"]) {
             // Temporarily Dont draw legend for Pie
             //if ( $piechart )
             //$graphImage->drawPieLegend($this->width_pdf_actual - 180,30,$graphData->GetData(), $graphData->GetDataDescription(), 250, 250, 250);
             if (!$piechart) {
                 $graphImage->drawLegend($this->width_pdf_actual - 120, 30, $graphData->GetDataDescription(), 254, 254, 254, 0, 0, 0);
             }
             break;
         }
     }
     $graphImage->setFontProperties(PCHARTFONTS_DIR . $this->xtitlefont, $this->titlefontsize);
     $graphImage->drawTitle(0, 24, $this->title_actual, 50, 50, 50, $this->width_pdf_actual);
     //$graphImage->setShadow(TRUE,array("X"=>0,"Y"=>0,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>10));
     //$graphImage->Render("example.png");
     //$graphImage->Stroke();
     $graphImage->render($outputfile);
     return true;
 }
	/**
 	 * This method return a graph containing information about evaluations
     * inside courses in sessions, it's used inside get_block method for
     * showing it inside dashboard interface
 	 * @return string  img html
 	 */
    public function get_evaluations_courses_in_sessions_graph()
    {
		$graphs = array();
		if (!empty($this->sessions)) {
			$session_ids = array_keys($this->sessions);
			foreach ($session_ids as $session_id) {
				$courses_code = array_keys(Tracking::get_courses_list_from_session($session_id));
				$courses_graph = array();
				foreach ($courses_code as $course_code) {
					$cats = Category::load(null, null, $course_code, null, null, $session_id);
					if (isset($cats) && isset($cats[0])) {
						$alleval = $cats[0]->get_evaluations(null, true, $course_code);
						$alllinks = $cats[0]->get_links(null, true);
						$users = get_all_users($alleval, $alllinks);
						$datagen = new FlatViewDataGenerator ($users, $alleval, $alllinks);
						$evaluation_sumary = $datagen->get_evaluation_sumary_results();
						if (!empty($evaluation_sumary)) {
							$items = array_keys($evaluation_sumary);
							$max = $min = $avg = array();
							foreach ($evaluation_sumary as $evaluation) {
								$max[] = $evaluation['max'];
								$min[] = $evaluation['min'];
								$avg[] = $evaluation['avg'];
							}
							// Dataset definition
						    $data_set = new pData;
						    $data_set->AddPoint($max, "Max");
						    $data_set->AddPoint($avg, "Avg");
						    $data_set->AddPoint($min, "Min");
						    $data_set->AddPoint($items, "Items");
						    $data_set->SetXAxisName(get_lang('EvaluationName'));
							$data_set->SetYAxisName(get_lang('Percentage'));
							$data_set->AddAllSeries();
						   	$data_set->RemoveSerie("Items");
						   	$data_set->SetAbsciseLabelSerie("Items");
						    $graph_id = $this->user_id.'StudentEvaluationGraph';
							$cache = new pCache();
							// the graph id
							$data = $data_set->GetData();
							if ($cache->IsInCache($graph_id, $data)) {
								//if we already created the img
								$img_file = $cache->GetHash($graph_id, $data);
							} else {
								// Initialise the graph
                                $angle = -30;
							    $test = new pChart($this->bg_width, $this->bg_height);
							    $test->setFontProperties(api_get_path(LIBRARY_PATH) . 'pchart/fonts/tahoma.ttf', 8);
                                $test->fixHeightByRotation(
                                    $data_set->GetData(),
                                    $data_set->GetDataDescription(),
                                    $angle
                                );
                                $test->setGraphArea(50, 30, $this->bg_width - 75, $this->bg_height - 75);
                                $test->drawFilledRoundedRectangle(
                                    7,
                                    7,
                                    $this->bg_width - 20,
                                    $test->YSize - 20,
                                    5,
                                    240,
                                    240,
                                    240
                                );
                                $test->drawRoundedRectangle(
                                    5,
                                    5,
                                    $this->bg_width - 18,
                                    $test->YSize - 18,
                                    5,
                                    230,
                                    230,
                                    230
                                );
							    $test->drawGraphArea(255,255,255,TRUE);
							    $test->setFixedScale(0,100,5);
                                $test->drawScale(
                                    $data_set->GetData(),
                                    $data_set->GetDataDescription(),
                                    SCALE_ADDALL,
                                    150,
                                    150,
                                    150,
                                    TRUE,
                                    $angle,
                                    2,
                                    TRUE
                                );
							    $test->setColorPalette(0,105,221,34);
								$test->setColorPalette(1,255,135,30);
								$test->setColorPalette(2,255,0,0);
							    $test->drawGrid(4,TRUE,230,230,230,50);
							    // Draw the 0 line
							    $test->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf',6);
							    $test->drawTreshold(0,143,55,72,TRUE,TRUE);
							    // Draw the bar graph
							    $test->drawOverlayBarGraph($data_set->GetData(),$data_set->GetDataDescription(), 100);
							    // Finish the graph
							    $test->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf',8);
							    $test->drawLegend($this->bg_width-80,20,$data_set->GetDataDescription(),255,255,255);
							    $test->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf',10);
							    $test->setColorPalette(0,50,50,50);
								$test->setColorPalette(1,50,50,50);
								$test->setColorPalette(2,50,50,50);
							    $test->writeValues($data_set->GetData(),$data_set->GetDataDescription(),array("Min", "Max", "Avg"));
							    $cache->WriteToCache($graph_id, $data_set->GetData(), $test);
								ob_start();
								$test->Stroke();
								ob_end_clean();
								$img_file = $cache->GetHash($graph_id, $data_set->GetData());
							}
							if (!empty($img_file)) {
								$courses_graph[$course_code] = '<img src="'.api_get_path(WEB_ARCHIVE_PATH).$img_file.'">';
							}
						}
					}
				}
				if (!empty($courses_graph)) {
					$graphs[$session_id] = $courses_graph;
				}
			}
		}
    	return $graphs;
 	}
Example #4
0
 public function testDrawOverlayBarGraph()
 {
     // Dataset definition
     $DataSet = new pData();
     $DataSet->addPoints(array(1, 4, -3, 2, -3, 3, 2, 1, 0, 7, 4, -3, 2, -3, 3, 5, 1, 0, 7), "Serie1");
     $DataSet->addPoints(array(0, 3, -4, 1, -2, 2, 1, 0, -1, 6, 3, -4, 1, -4, 2, 4, 0, -1, 6), "Serie2");
     $DataSet->AddAllSeries();
     $DataSet->SetAbscissaLabelSeries();
     $DataSet->SetSeriesName("January", "Serie1");
     $DataSet->SetSeriesName("February", "Serie2");
     // Initialise the graph
     $canvas = new TestCanvas();
     $Test = new pChart(700, 230, $canvas);
     $Test->setFontProperties("Fonts/tahoma.ttf", 8);
     $Test->setGraphArea(50, 30, 585, 200);
     $canvas->drawFilledRoundedRectangle(new Point(7, 7), new Point(693, 223), 5, new Color(240), 1, 0, ShadowProperties::NoShadow());
     $backgroundStyle = new BackgroundStyle(new Color(255), TRUE);
     $Test->drawGraphBackground($backgroundStyle);
     $Test->drawScale($DataSet, ScaleStyle::DefaultStyle(), 0, 2, TRUE);
     $Test->drawGrid(new GridStyle(4, TRUE, new Color(230), 50));
     // Draw the 0 line
     $Test->setFontProperties("Fonts/tahoma.ttf", 6);
     $Test->drawTreshold(0, new Color(143, 55, 72), TRUE, TRUE);
     // Draw the bar graph
     $Test->drawOverlayBarGraph($DataSet->GetData(), $DataSet->GetDataDescription());
     // Finish the graph
     $Test->setFontProperties("Fonts/tahoma.ttf", 8);
     $Test->drawLegend(600, 30, $DataSet->GetDataDescription(), new Color(255));
     $Test->setFontProperties("Fonts/tahoma.ttf", 10);
     $Test->drawTitle(50, 22, "Example 3", new Color(50), 585);
     $this->assertEquals('8c6b50852e15c261e6a40595eed7e283', md5($canvas->getActionLog()));
 }
Example #5
0
function makeGraph($values, $labels)
{
    $values[] = '0';
    $labels[] = '';
    // Standard inclusions
    include_once "charts/pChart.class";
    include_once "charts/pData.class";
    // Dataset definition
    $DataSet = new pData();
    $DataSet->AddPoint($values, "Serie2");
    $DataSet->AddPoint($labels, "Xlabel");
    $DataSet->AddSerie("Serie2");
    $DataSet->SetAbsciseLabelSerie('Xlabel');
    $DataSet->SetSerieName("No Of Births", "Serie2");
    // Initialise the graph
    $Test = new pChart(700, 230);
    $Test->setFontProperties("Fonts/tahoma.ttf", 8);
    $Test->setGraphArea(50, 30, 585, 200);
    $Test->drawFilledRoundedRectangle(7, 7, 693, 223, 5, 240, 240, 240);
    $Test->drawRoundedRectangle(5, 5, 695, 225, 5, 230, 230, 230);
    $Test->drawGraphArea(255, 255, 255, TRUE);
    $Test->drawScale($DataSet->GetData(), $DataSet->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, TRUE, 0, 2, TRUE);
    $Test->drawGrid(4, TRUE, 230, 230, 230, 50);
    // Draw the 0 line
    $Test->setFontProperties("Fonts/tahoma.ttf", 6);
    $Test->drawTreshold(0, 143, 55, 72, TRUE, TRUE);
    // Draw the bar graph
    $Test->drawOverlayBarGraph($DataSet->GetData(), $DataSet->GetDataDescription());
    // Finish the graph
    $Test->setFontProperties("Fonts/tahoma.ttf", 8);
    $Test->drawLegend(600, 30, $DataSet->GetDataDescription(), 255, 255, 255);
    $Test->setFontProperties("Fonts/tahoma.ttf", 10);
    $Test->drawTitle(50, 22, "Change in name popularity", 50, 50, 50, 585);
    ob_start();
    $Test->Stroke();
    $img = ob_get_clean();
    $img = base64_encode($img);
    return $img;
}
Example #6
0
    $DataSet->SetSerieName("Nota", "Serie1");
    #$DataSet->SetSerieName("February","Serie2");
    // Initialise the graph
    $Test = new pChart(700, 230);
    $Test->setFontProperties("Fonts/tahoma.ttf", 8);
    $Test->setGraphArea(50, 30, 585, 200);
    $Test->drawFilledRoundedRectangle(7, 7, 693, 223, 5, 240, 240, 240);
    $Test->drawRoundedRectangle(5, 5, 695, 225, 5, 230, 230, 230);
    $Test->drawGraphArea(255, 255, 255, TRUE);
    $Test->drawScale($DataSet->GetData(), $DataSet->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, TRUE, 0, 2, TRUE);
    $Test->drawGrid(4, TRUE, 230, 230, 230, 50);
    // Draw the 0 line
    $Test->setFontProperties("Fonts/tahoma.ttf", 6);
    $Test->drawTreshold(0, 143, 55, 72, TRUE, TRUE);
    // Draw the bar graph
    $Test->drawOverlayBarGraph($DataSet->GetData(), $DataSet->GetDataDescription());
    // Finish the graph
    $Test->setFontProperties("Fonts/tahoma.ttf", 8);
    $Test->drawLegend(600, 30, $DataSet->GetDataDescription(), 255, 255, 255);
    $Test->setFontProperties("Fonts/tahoma.ttf", 10);
    $Test->drawTitle(50, 22, $res['treinador'], 50, 50, 50, 585);
    $Test->Render("example" . $res['id_treinador'] . ".png");
    ?>
					<img src="example<?php 
    echo $res['id_treinador'];
    ?>
.png" alt="<?php 
    echo $res['id_treinador'];
    ?>
" width="670"/>
					<b>M├ędia: </b> <?php 
Example #7
0
    /**
     * Generates a big graph with the number of best results
     * @param	array
     */
    static function generate_exercise_result_graph($attempts)
    {
        require_once api_get_path(LIBRARY_PATH).'pchart/pData.class.php';
        require_once api_get_path(LIBRARY_PATH).'pchart/pChart.class.php';
        require_once api_get_path(LIBRARY_PATH).'pchart/pCache.class.php';

        $exercise_title = strip_tags($attempts['title']);
        $attempts       = $attempts['data'];
        $my_exercise_result_array = $exercise_result = array();
        if (empty($attempts)) {
            return null;
        }
        foreach ($attempts as $attempt) {
            if (api_get_user_id() == $attempt['exe_user_id']) {
                if ($attempt['exe_weighting'] != 0 ) {
                    $my_exercise_result_array[]= $attempt['exe_result']/$attempt['exe_weighting'];
                }
            } else {
                if ($attempt['exe_weighting'] != 0 ) {
                    $exercise_result[]=  $attempt['exe_result']/$attempt['exe_weighting'];
                }
            }
        }

        //Getting best result
        rsort($my_exercise_result_array);
        $my_exercise_result = 0;
        if (isset($my_exercise_result_array[0])) {
            $my_exercise_result = $my_exercise_result_array[0] *100;
        }

        $max = 100;
        $pieces = 5 ;
        $part = round($max / $pieces);
        $x_axis = array();
        $final_array = array();
        $my_final_array = array();

        for ($i=1; $i <=$pieces; $i++) {
            $sum = 1;
            if ($i == 1) {
                $sum = 0;
            }
            $min = ($i-1)*$part + $sum;
            $max = ($i)*$part;
            $x_axis[]= $min." - ".$max;
            $count = 0;
            foreach($exercise_result as $result) {
                $percentage = $result*100;
                //echo $percentage.' - '.$min.' - '.$max."<br />";
                if ($percentage >= $min && $percentage <= $max) {
                    //echo ' is > ';
                    $count++;
                }
            }
            //echo '<br />';
            $final_array[]= $count;

            if ($my_exercise_result >= $min && $my_exercise_result <= $max) {
                $my_final_array[] = 1;
            } else {
                $my_final_array[] = 0;
            }
        }

        //Fix to remove the data of the user with my data

        for($i = 0; $i<=count($my_final_array); $i++) {
            if (!empty($my_final_array[$i])) {
                $my_final_array[$i] =  $final_array[$i] + 1; //Add my result
                $final_array[$i] = 0;
            }
        }

        $cache = new pCache();

        // Dataset definition
        $data_set = new pData();
        $data_set->AddPoint($final_array,"Serie1");
        $data_set->AddPoint($my_final_array,"Serie2");
        $data_set->AddPoint($x_axis,"Serie3");
        $data_set->AddAllSeries();

        $data_set->SetAbsciseLabelSerie('Serie3');
        $data_set->SetSerieName(get_lang('Score'),"Serie1");
        $data_set->SetSerieName(get_lang('MyResults'),"Serie2");

        $data_set->SetXAxisName(get_lang("Score"));

        // Initialise the graph
        $main_width  = 500;
        $main_height = 250;

        $main_graph = new pChart($main_width,$main_height);

        $main_graph->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf',8);
        $main_graph->setGraphArea(50,30, $main_width -20,$main_height -50);

        $main_graph->drawFilledRoundedRectangle(10,10, $main_width- 10,$main_height -10,5,240,240,240);
        $main_graph->drawRoundedRectangle(7,7,$main_width - 7,$main_height  - 7,5,230,230,230);

        $main_graph->drawGraphArea(255,255,255,TRUE);

        //SCALE_NORMAL, SCALE_START0, SCALE_ADDALLSTART0
        $main_graph->drawScale($data_set->GetData(),$data_set->GetDataDescription(),SCALE_ADDALLSTART0, 150,150,150,TRUE,0,1,TRUE);

        $main_graph->drawGrid(4,TRUE,230,230,230,50);

        // Draw the 0 line
        $main_graph->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf',6);
        //  $main_graph->drawTreshold(0,143,55,72,TRUE,TRUE);

        // Draw the bar graph
        $data_set->RemoveSerie("Serie3");

        //$main_graph->drawBarGraph($data_set->GetData(),$data_set->GetDataDescription(),TRUE);

        //$main_graph->drawStackedBarGraph($data_set->GetData(),$data_set->GetDataDescription(),TRUE);
        $main_graph->drawOverlayBarGraph($data_set->GetData(),$data_set->GetDataDescription(), 100);

        // Finish the graph
        $main_graph->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf',8);
        $main_graph->drawLegend($main_width - 120,$main_height -100,$data_set->GetDataDescription(),255,255,255);
        $main_graph->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf',8);
        $main_graph->drawTitle(180,22,$exercise_title,50,50,50);
        $graph_id = 'exercise_result_graph'.Security::remove_XSS($_GET['course']).'-'.intval($_GET['session_id']).'-'.api_get_user_id();
        if ($cache->IsInCache($graph_id, $data_set->GetData())) {
            //if (0) {
            //if we already created the img
            //echo 'in cache';
            $img_file = $cache->GetHash($graph_id,$data_set->GetData());
        } else {
            $cache->WriteToCache($graph_id, $data_set->GetData(), $main_graph);
            ob_start();
            $main_graph->Stroke();
            ob_end_clean();
            $img_file = $cache->GetHash($graph_id, $data_set->GetData());
        }
        $html = '<img src="'.api_get_path(WEB_ARCHIVE_PATH).$img_file.'">';
        return $html;
    }