| <?php |
| include ("../jpgraph.php"); |
| include ("../jpgraph_line.php"); |
| |
| DEFINE('WORLDMAP','worldmap1.jpg'); |
| |
| function markCallback($y,$x) { |
| // Return array width |
| // width,color,fill color, marker filename, imgscale |
| // any value can be false, in that case the default value will |
| // be used. |
| // We only make one pushpin another color |
| if( $x == 54 ) |
| return array(false,false,false,'red',0.8); |
| else |
| return array(false,false,false,'green',0.8); |
| } |
| |
| // Data arrays |
| $datax = array(10,20,30,40,54,60,70,80); |
| $datay = array(12,23,65,18,84,28,86,44); |
| |
| // Setup the graph |
| $graph = new Graph(400,270); |
| |
| // We add a small 1pixel left,right,bottom margin so the plot area |
| // doesn't cover the frame around the graph. |
| $graph->img->SetMargin(1,1,1,1); |
| $graph->SetScale('linlin',0,100,0,100); |
| |
| // We don't want any axis to be shown |
| $graph->xaxis->Hide(); |
| $graph->yaxis->Hide(); |
| |
| // Use a worldmap as the background and let it fill the plot area |
| $graph->SetBackgroundImage(WORLDMAP,BGIMG_FILLPLOT); |
| |
| // Setup a nice title with a striped bevel background |
| $graph->title->Set("Pushpin graph"); |
| $graph->title->SetFont(FF_ARIAL,FS_BOLD,16); |
| $graph->title->SetColor('white'); |
| $graph->SetTitleBackground('darkgreen',TITLEBKG_STYLE1,TITLEBKG_FRAME_BEVEL); |
| $graph->SetTitleBackgroundFillStyle(TITLEBKG_FILLSTYLE_HSTRIPED,'blue','darkgreen'); |
| |
| // Finally create the lineplot |
| $lp = new LinePlot($datay,$datax); |
| $lp->SetColor('lightgray'); |
| |
| // We want the markers to be an image |
| $lp->mark->SetType(MARK_IMG_PUSHPIN,'blue',0.6); |
| |
| // Install the Y-X callback for the markers |
| $lp->mark->SetCallbackYX('markCallback'); |
| |
| // ... and add it to the graph |
| $graph->Add($lp); |
| |
| // .. and output to browser |
| $graph->Stroke(); |
| |
| ?> |
| |
| |