Subversion-Projekte lars-tiefland.php_share

<?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();

?>