1 | <?php // content="text/plain; charset=utf-8" |
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2 | require_once ('jpgraph/jpgraph.php'); |
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3 | require_once ('jpgraph/jpgraph_line.php'); |
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4 | require_once ('jpgraph/jpgraph_bar.php'); |
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5 | require_once ('jpgraph/jpgraph_utils.inc.php'); |
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6 | require_once ('jpgraph/jpgraph_mgraph.php'); |
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7 | |
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8 | //------------------------------------------------------------------ |
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9 | // Create some random data for the plot. We use the current time for the |
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10 | // first X-position |
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11 | //------------------------------------------------------------------ |
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12 | $datay = array(); |
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13 | $datax = array(); |
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14 | $ts = time(); |
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15 | $n=70; // Number of data points |
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16 | for($i=0; $i < $n; ++$i ) { |
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17 | $datax[$i] = $ts+$i*150000; |
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18 | $datay[$i] = rand(5,60); |
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19 | $datay2[$i] = rand(1,8); |
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20 | } |
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21 | |
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22 | // Now get labels at the start of each month |
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23 | $dateUtils = new DateScaleUtils(); |
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24 | list($tickPositions,$minTickPositions) = $dateUtils->getTicks($datax,DSUTILS_MONTH1); |
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25 | |
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26 | // Now create the real graph |
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27 | // Combine a line and a bar graph |
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28 | |
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29 | // We add some grace to the end of the X-axis scale so that the first and last |
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30 | // data point isn't exactly at the very end or beginning of the scale |
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31 | $grace = 400000; |
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32 | $xmin = $datax[0]-$grace; |
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33 | $xmax = $datax[$n-1]+$grace;; |
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34 | |
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35 | // Overall width of graphs |
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36 | $w = 450; |
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37 | // Left and right margin for each graph |
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38 | $lm=25; $rm=15; |
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39 | |
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40 | //---------------------- |
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41 | // Setup the line graph |
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42 | //---------------------- |
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43 | $graph = new Graph($w,250); |
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44 | $graph->SetScale('linlin',0,0,$xmin,$xmax); |
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45 | $graph->SetMargin($lm,$rm,10,30); |
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46 | $graph->SetMarginColor('white'); |
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47 | $graph->SetFrame(false); |
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48 | $graph->SetBox(true); |
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49 | $graph->title->Set('Example of combined graph'); |
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50 | $graph->title->SetFont(FF_ARIAL,FS_NORMAL,14); |
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51 | $graph->xaxis->SetTickPositions($tickPositions,$minTickPositions); |
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52 | $graph->xaxis->SetLabelFormatString('My',true); |
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53 | $graph->xgrid->Show(); |
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54 | $p1 = new LinePlot($datay,$datax); |
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55 | $graph->Add($p1); |
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56 | |
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57 | //---------------------- |
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58 | // Setup the bar graph |
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59 | //---------------------- |
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60 | $graph2 = new Graph($w,110); |
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61 | $graph2->SetScale('linlin',0,0,$xmin,$xmax); |
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62 | $graph2->SetMargin($lm,$rm,5,10); |
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63 | $graph2->SetMarginColor('white'); |
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64 | $graph2->SetFrame(false); |
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65 | $graph2->SetBox(true); |
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66 | $graph2->xgrid->Show(); |
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67 | $graph2->xaxis->SetTickPositions($tickPositions,$minTickPositions); |
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68 | $graph2->xaxis->SetLabelFormatString('My',true); |
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69 | $graph2->xaxis->SetPos('max'); |
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70 | $graph2->xaxis->HideLabels(); |
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71 | $graph2->xaxis->SetTickSide(SIDE_DOWN); |
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72 | $b1 = new BarPlot($datay2,$datax); |
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73 | $b1->SetFillColor('teal'); |
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74 | $b1->SetColor('teal:1.2'); |
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75 | $graph2->Add($b1); |
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76 | |
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77 | //----------------------- |
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78 | // Create a multigraph |
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79 | //---------------------- |
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80 | $mgraph = new MGraph(); |
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81 | $mgraph->SetMargin(2,2,2,2); |
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82 | $mgraph->SetFrame(true,'darkgray',2); |
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83 | $mgraph->Add($graph); |
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84 | $mgraph->Add($graph2,0,240); |
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85 | $mgraph->Stroke(); |
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86 | |
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87 | ?> |
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88 | |
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89 | |
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