Subversion-Projekte lars-tiefland.php_share

<?php

include ("../jpgraph.php");

include ("../jpgraph_scatter.php");

$numpoints=50;

$k=0.05;

// Create some data points

for($i=0; $i<$numpoints; ++$i) {

	$datay[$i]=exp(-$k*$i)*cos(2*M_PI/10*$i);

}

// A format callbakc function

function mycallback($l) {

	return sprintf("%02.2f",$l);

}

// Setup the basic parameters for the graph

$graph = new Graph(400,200,"auto");

$graph->SetScale("intlin");

$graph->SetShadow();

$graph->SetBox();

$graph->title->Set("Impuls Example 3");

$graph->title->SetFont(FF_FONT1,FS_BOLD);

// Set format callback for labels

$graph->yaxis->SetLabelFormatCallback("mycallback");

// Set X-axis at the minimum value of Y-axis (default will be at 0)

$graph->xaxis->SetPos("min");	// "min" will position the x-axis at the minimum value of the Y-axis

// Extend the margin for the labels on the Y-axis and reverse the direction

// of the ticks on the Y-axis

$graph->yaxis->SetLabelMargin(12);

$graph->xaxis->SetLabelMargin(6);

$graph->yaxis->SetTickSide(SIDE_LEFT);

$graph->xaxis->SetTickSide(SIDE_DOWN);

// Create a new impuls type scatter plot

$sp1 = new ScatterPlot($datay);

$sp1->mark->SetType(MARK_SQUARE);

$sp1->mark->SetFillColor("red");

$sp1->SetImpuls();

$sp1->SetColor("blue");

$sp1->SetWeight(1);

$sp1->mark->SetWidth(3);

$graph->Add($sp1);

$graph->Stroke();

?>