[42] | 1 | <?php // content="text/plain; charset=utf-8" |
---|
| 2 | require_once ('jpgraph/jpgraph.php'); |
---|
| 3 | require_once ('jpgraph/jpgraph_line.php'); |
---|
| 4 | |
---|
| 5 | DEFINE('WORLDMAP','worldmap1.jpg'); |
---|
| 6 | |
---|
| 7 | function markCallback($y,$x) { |
---|
| 8 | // Return array width |
---|
| 9 | // width,color,fill color, marker filename, imgscale |
---|
| 10 | // any value can be false, in that case the default value will |
---|
| 11 | // be used. |
---|
| 12 | // We only make one pushpin another color |
---|
| 13 | if( $x == 54 ) |
---|
| 14 | return array(false,false,false,'red',0.8); |
---|
| 15 | else |
---|
| 16 | return array(false,false,false,'green',0.8); |
---|
| 17 | } |
---|
| 18 | |
---|
| 19 | // Data arrays |
---|
| 20 | $datax = array(10,20,30,40,54,60,70,80); |
---|
| 21 | $datay = array(12,23,65,18,84,28,86,44); |
---|
| 22 | |
---|
| 23 | // Setup the graph |
---|
| 24 | $graph = new Graph(400,270); |
---|
| 25 | |
---|
| 26 | // We add a small 1pixel left,right,bottom margin so the plot area |
---|
| 27 | // doesn't cover the frame around the graph. |
---|
| 28 | $graph->img->SetMargin(1,1,1,1); |
---|
| 29 | $graph->SetScale('linlin',0,100,0,100); |
---|
| 30 | |
---|
| 31 | // We don't want any axis to be shown |
---|
| 32 | $graph->xaxis->Hide(); |
---|
| 33 | $graph->yaxis->Hide(); |
---|
| 34 | |
---|
| 35 | // Use a worldmap as the background and let it fill the plot area |
---|
| 36 | $graph->SetBackgroundImage(WORLDMAP,BGIMG_FILLPLOT); |
---|
| 37 | |
---|
| 38 | // Setup a nice title with a striped bevel background |
---|
| 39 | $graph->title->Set("Pushpin graph"); |
---|
| 40 | $graph->title->SetFont(FF_ARIAL,FS_BOLD,16); |
---|
| 41 | $graph->title->SetColor('white'); |
---|
| 42 | $graph->SetTitleBackground('darkgreen',TITLEBKG_STYLE1,TITLEBKG_FRAME_BEVEL); |
---|
| 43 | $graph->SetTitleBackgroundFillStyle(TITLEBKG_FILLSTYLE_HSTRIPED,'blue','darkgreen'); |
---|
| 44 | |
---|
| 45 | // Finally create the lineplot |
---|
| 46 | $lp = new LinePlot($datay,$datax); |
---|
| 47 | $lp->SetColor('lightgray'); |
---|
| 48 | |
---|
| 49 | // We want the markers to be an image |
---|
| 50 | $lp->mark->SetType(MARK_IMG_PUSHPIN,'blue',0.6); |
---|
| 51 | |
---|
| 52 | // Install the Y-X callback for the markers |
---|
| 53 | $lp->mark->SetCallbackYX('markCallback'); |
---|
| 54 | |
---|
| 55 | // ... and add it to the graph |
---|
| 56 | $graph->Add($lp); |
---|
| 57 | |
---|
| 58 | // .. and output to browser |
---|
| 59 | $graph->Stroke(); |
---|
| 60 | |
---|
| 61 | ?> |
---|
| 62 | |
---|
| 63 | |
---|