Viewing file: impulsex3.php (1.27 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?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();
?>
|