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