[42] | 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_date.php'); |
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| 5 | require_once ('jpgraph/jpgraph_mgraph.php'); |
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| 6 | |
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| 7 | // Setup some fake data to simulate some wind speed and direction |
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| 8 | |
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| 9 | DEFINE('NDATAPOINTS',280); |
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| 10 | DEFINE('SAMPLERATE',300); |
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| 11 | |
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| 12 | $start = time(); |
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| 13 | $end = $start+NDATAPOINTS*SAMPLERATE; |
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| 14 | $xdata = array(); |
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| 15 | |
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| 16 | $data_winddirection[0] = rand(100,200); |
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| 17 | $data_windspeed[0] = rand(7,10); |
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| 18 | $data_windtemp[0] = rand(5,20); |
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| 19 | |
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| 20 | for( $i=0; $i < NDATAPOINTS-1; ++$i ) { |
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| 21 | $data_winddirection[$i+1] = $data_winddirection[$i] + rand(-4,4); |
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| 22 | if($data_winddirection[$i+1] < 0 || $data_winddirection[$i+1] > 359) |
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| 23 | $data_winddirection[$i+1] = 0; |
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| 24 | |
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| 25 | $data_windspeed[$i+1] = $data_windspeed[$i] + rand(-2,2); |
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| 26 | if($data_windspeed[$i+1] < 0 ) |
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| 27 | $data_windspeed[$i+1] = 0; |
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| 28 | |
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| 29 | $data_windtemp[$i+1] = $data_windtemp[$i] + rand(-1.5,1.5); |
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| 30 | |
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| 31 | $xdata[$i] = $start + $i * SAMPLERATE; |
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| 32 | } |
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| 33 | $xdata[$i] = $start + $i * SAMPLERATE; |
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| 34 | |
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| 35 | |
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| 36 | //DEFINE('BKG_COLOR','lightgray:1.7'); |
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| 37 | DEFINE('BKG_COLOR','green:1.98'); |
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| 38 | DEFINE('WIND_HEIGHT',800); |
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| 39 | DEFINE('WIND_WIDTH',250); |
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| 40 | |
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| 41 | //------------------------------------------------------------------ |
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| 42 | // Setup the Wind direction graph |
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| 43 | //------------------------------------------------------------------ |
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| 44 | $graph = new Graph(WIND_WIDTH,WIND_HEIGHT); |
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| 45 | $graph->SetMarginColor(BKG_COLOR); |
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| 46 | $graph->SetScale('datlin',0,360); |
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| 47 | $graph->Set90AndMargin(50,10,70,30); |
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| 48 | $graph->SetFrame(true,'white',0); |
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| 49 | $graph->SetBox(); |
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| 50 | |
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| 51 | $graph->title->Set('Wind direction'); |
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| 52 | $graph->title->SetColor('blue'); |
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| 53 | $graph->title->SetFont(FF_ARIAL,FS_BOLD,14); |
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| 54 | $graph->title->SetMargin(5); |
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| 55 | |
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| 56 | $graph->xaxis->SetFont(FF_ARIAL,FS_NORMAL,9); |
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| 57 | $graph->xaxis->scale->SetDateFormat('H:i'); |
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| 58 | $graph->xgrid->Show(); |
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| 59 | |
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| 60 | $graph->yaxis->SetLabelAngle(90); |
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| 61 | $graph->yaxis->SetColor('blue'); |
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| 62 | $graph->yaxis->SetFont(FF_ARIAL,FS_NORMAL,9); |
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| 63 | $graph->yaxis->SetLabelMargin(0); |
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| 64 | $graph->yaxis->scale->SetAutoMin(0); |
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| 65 | |
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| 66 | $line = new LinePlot($data_winddirection,$xdata); |
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| 67 | $line->SetStepStyle(); |
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| 68 | $line->SetColor('blue'); |
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| 69 | |
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| 70 | $graph->Add($line); |
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| 71 | |
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| 72 | //------------------------------------------------------------------ |
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| 73 | // Setup the wind speed graph |
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| 74 | //------------------------------------------------------------------ |
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| 75 | $graph2 = new Graph(WIND_WIDTH-30,WIND_HEIGHT); |
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| 76 | $graph2->SetScale('datlin'); |
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| 77 | $graph2->Set90AndMargin(5,20,70,30); |
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| 78 | $graph2->SetMarginColor(BKG_COLOR); |
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| 79 | $graph2->SetFrame(true,'white',0); |
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| 80 | $graph2->SetBox(); |
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| 81 | |
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| 82 | $graph2->title->Set('Windspeed'); |
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| 83 | $graph2->title->SetColor('red'); |
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| 84 | $graph2->title->SetFont(FF_ARIAL,FS_BOLD,14); |
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| 85 | $graph2->title->SetMargin(5); |
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| 86 | |
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| 87 | $graph2->xaxis->HideLabels(); |
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| 88 | $graph2->xgrid->Show(); |
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| 89 | |
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| 90 | $graph2->yaxis->SetLabelAngle(90); |
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| 91 | $graph2->yaxis->SetColor('red'); |
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| 92 | $graph2->yaxis->SetFont(FF_ARIAL,FS_NORMAL,9); |
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| 93 | $graph2->yaxis->SetLabelMargin(0); |
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| 94 | $graph2->yaxis->scale->SetAutoMin(0); |
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| 95 | |
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| 96 | $line2 = new LinePlot($data_windspeed,$xdata); |
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| 97 | $line2->SetStepStyle(); |
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| 98 | $line2->SetColor('red'); |
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| 99 | |
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| 100 | $graph2->Add($line2); |
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| 101 | |
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| 102 | //------------------------------------------------------------------ |
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| 103 | // Setup the wind temp graph |
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| 104 | //------------------------------------------------------------------ |
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| 105 | $graph3 = new Graph(WIND_WIDTH-30,WIND_HEIGHT); |
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| 106 | $graph3->SetScale('datlin'); |
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| 107 | $graph3->Set90AndMargin(5,20,70,30); |
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| 108 | $graph3->SetMarginColor(BKG_COLOR); |
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| 109 | $graph3->SetFrame(true,'white',0); |
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| 110 | $graph3->SetBox(); |
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| 111 | |
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| 112 | $graph3->title->Set('Temperature'); |
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| 113 | $graph3->title->SetColor('black'); |
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| 114 | $graph3->title->SetFont(FF_ARIAL,FS_BOLD,14); |
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| 115 | $graph3->title->SetMargin(5); |
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| 116 | |
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| 117 | $graph3->xaxis->HideLabels(); |
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| 118 | $graph3->xgrid->Show(); |
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| 119 | |
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| 120 | $graph3->yaxis->SetLabelAngle(90); |
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| 121 | $graph3->yaxis->SetColor('black'); |
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| 122 | $graph3->yaxis->SetFont(FF_ARIAL,FS_NORMAL,9); |
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| 123 | $graph3->yaxis->SetLabelMargin(0); |
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| 124 | $graph3->yaxis->scale->SetAutoMin(-10); |
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| 125 | |
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| 126 | $line3 = new LinePlot($data_windtemp,$xdata); |
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| 127 | $line3->SetStepStyle(); |
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| 128 | $line3->SetColor('black'); |
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| 129 | |
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| 130 | $graph3->Add($line3); |
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| 131 | |
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| 132 | //----------------------- |
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| 133 | // Create a multigraph |
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| 134 | //---------------------- |
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| 135 | $mgraph = new MGraph(); |
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| 136 | $mgraph->SetMargin(2,2,2,2); |
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| 137 | $mgraph->SetFrame(true,'darkgray',2); |
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| 138 | $mgraph->SetFillColor(BKG_COLOR); |
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| 139 | $mgraph->Add($graph,0,50); |
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| 140 | $mgraph->Add($graph2,250,50); |
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| 141 | $mgraph->Add($graph3,460,50); |
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| 142 | $mgraph->title->Set('Climate diagram 12 March 2009'); |
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| 143 | $mgraph->title->SetFont(FF_ARIAL,FS_BOLD,20); |
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| 144 | $mgraph->title->SetMargin(8); |
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| 145 | $mgraph->Stroke(); |
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| 146 | |
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| 147 | ?> |
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