Using CSIM with matrix plots
 Chapter 22. Matrix graphs 

Using CSIM with matrix plots

Note

This feature was added in v3.1.1p

In the same was as most other plot types matrix plots also supports the usage of Client Side Image Maps. (See Chapter 10. Using CSIM (Client side image maps) for a full description on the usage of CSIM in general the library.)

The possible hotspot areas in a matrix graph are:

The following example shows how to add both label and data CSIM. As usual the graph must be stroked with a call to MatrixGraph::StrokeCSIM() when using CSIM functionality.

Example 22.5. Matrix example with CSIM (matrix_csimex01.php) 

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<?php // content="text/plain; charset=utf-8"
require_once('jpgraph/jpgraph.php');
require_once('jpgraph/jpgraph_matrix.php');
 
 
$data = array(
    array(0,null,2,3,4,5,6,7,8,9,10,8,6,4,2),
    array(10,9,8,7,6,5,4,3,2,1,0,8,5,9,2),
    array(0,1,2,3,4,5,6,7,8,9,10,2,4,5,7),
    array(10,9,8,17,6,5,4,3,2,1,0,8,6,4,2),
    array(0,1,2,3,4,4,9,7,8,9,10,3,2,7,2),
    array(8,1,2,3,4,8,3,7,8,9,10,5,3,9,1),
    array(10,3,5,7,6,5,4,3,12,1,0,6,5,10,2),
    array(10,9,8,7,6,5,4,3,2,1,NULL,8,6,4,2),
);
 
$nx = count($data[0]);
$ny = count($data);
 
for( $i=0; $i < $ny; ++$i ) {
    for( $j=0; $j < $nx; ++$j ) {
        $csimtargets[$i][$j] = '#'.sprintf('%02sd',$i)."-".sprintf('%02sd',$j);
    }
}
 
 
for($i=0; $i < $nx; ++$i ) {
    $collabels[$i] = sprintf('column label: %02d',$i);
    $collabeltargets[$i] = '#'.sprintf('collabel: %02d',$i);
 
}
for($i=0; $i < $ny; ++$i ) {
    $rowlabels[$i] = sprintf('row label: %02d',$i);
    $rowlabeltargets[$i] = '#'.sprintf('rowlabel: %02d',$i);
}
 
// Setup a nasic matrix graph
$graph = new MatrixGraph(400,350);
 
$graph->SetBackgroundGradient('lightsteelblue:0.8','lightsteelblue:0.3');
$graph->title->Set('CSIM with matrix');
$graph->title->SetFont(FF_ARIAL,FS_BOLD,16);
$graph->title->SetColor('white');
 
// Create one matrix plot
$mp = new MatrixPlot($data,1);
$mp->SetModuleSize(13,15);
$mp->SetCenterPos(0.35,0.6);
$mp->colormap->SetNullColor('gray');
 
// Setup column lablels
$mp->collabel->Set($collabels);
$mp->collabel->SetSide('top');
$mp->collabel->SetFont(FF_ARIAL,FS_NORMAL,8);
$mp->collabel->SetFontColor('lightgray');
 
// Setup row lablels
$mp->rowlabel->Set($rowlabels);
$mp->rowlabel->SetSide('right');
$mp->rowlabel->SetFont(FF_ARIAL,FS_NORMAL,8);
$mp->rowlabel->SetFontColor('lightgray');
 
$mp->rowlabel->SetCSIMTargets($rowlabeltargets);
$mp->collabel->SetCSIMTargets($collabeltargets);
 
// Move the legend more to the right
$mp->legend->SetMargin(90);
$mp->legend->SetColor('white');
$mp->legend->SetFont(FF_VERDANA,FS_BOLD,10);
 
$mp->SetCSIMTargets($csimtargets);
 
$graph->Add($mp);
$graph->StrokeCSIM();
 
?>


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