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Version 1.12

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nemunaire 2009-11-01 12:00:00 +01:00
commit de31cd3e9a
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72
jpgraph/Examples/manualtickex2.php
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@ -1,72 +0,0 @@
<?php
//
// Basic example on how to use custom tickmark feature to have a label
// at the start of each month.
//
include ("../jpgraph.php");
include ("../jpgraph_line.php");
include ("../jpgraph_utils.inc.php");
//
// Create some random data for the plot. We use the current time for the
// first X-position
//
$f = new FuncGenerator('cos($x)+1.5*cos(2*$x)');
list($datax,$datay) = $f->E(0,10);
// Now get labels at 1/2 PI intervall
$tickPositions = array();
$tickLabels = array();
$tickPositions[0] = 0;
$tickLabels[0] = '0';
for($i=1; $i/2*M_PI < 11 ; ++$i ) {
$tickPositions[$i] = $i/2*M_PI;
if( $i % 2 )
$tickLabels[$i] = $i.'/2'.SymChar::Get('pi');
else
$tickLabels[$i] = ($i/2).SymChar::Get('pi');
}
$n = count($datax);
$xmin = $datax[0];
$xmax = $datax[$n-1];
//
// The code to setup a very basic graph
//
$graph = new Graph(400,200);
//
// We use an integer scale on the X-axis since the positions on the X axis
// are assumed to be UNI timestamps
$graph->SetScale('linlin',0,0,$xmin,$xmax);
$graph->title->Set('Example with manual tick labels');
$graph->title->SetFont(FF_ARIAL,FS_NORMAL,12);
//
// Make sure that the X-axis is always at the bottom of the scale
// (By default the X-axis is alwys positioned at Y=0 so if the scale
// doesn't happen to include 0 the axis will not be shown)
$graph->xaxis->SetPos('min');
// Now set the tic positions
$graph->xaxis->SetMajTickPositions($tickPositions,$tickLabels);
// Use Times font
$graph->xaxis->SetFont(FF_TIMES,FS_NORMAL,10);
$graph->yaxis->SetFont(FF_TIMES,FS_NORMAL,10);
// Add a X-grid
$graph->xgrid->Show();
// Create the plot line
$p1 = new LinePlot($datay,$datax);
$p1->SetColor('teal');
$graph->Add($p1);
// Output graph
$graph->Stroke();
?>