56 lines
1.2 KiB
PHP
Executable File
56 lines
1.2 KiB
PHP
Executable File
<?php // content="text/plain; charset=utf-8"
|
|
|
|
require_once ('jpgraph/jpgraph.php');
|
|
require_once ('jpgraph/jpgraph_contourf.php');
|
|
|
|
// Setup some data to use for the contour
|
|
$data = array(
|
|
array (12,12,10,10),
|
|
array (10,10,8,14),
|
|
array (7,7,13,17),
|
|
array (4,5,8,12),
|
|
array (10,8,7,8));
|
|
|
|
// create a basic graph as a container
|
|
$graph = new Graph(300,300);
|
|
$graph->SetMargin(30, 30, 40, 30);
|
|
$graph->SetScale('intint');
|
|
$graph->SetMarginColor('white');
|
|
|
|
// Setup title of graph
|
|
$graph->title->Set('Filled contour plot');
|
|
$graph->title->SetFont(FF_VERDANA,FS_BOLD,12);
|
|
|
|
$graph->subtitle->Set('(Manual colors)');
|
|
$graph->subtitle->SetFont(FF_VERDANA,FS_ITALIC,10);
|
|
|
|
// Create a new contour plot with only 3 isobars
|
|
$cp = new FilledContourPlot($data,3);
|
|
|
|
// Specify the colors manually
|
|
$isobar_colors = array('lightgray','teal:1.3','orange','red');
|
|
$cp->SetIsobarColors($isobar_colors);
|
|
|
|
// Use only blue/red color schema
|
|
$cp->UseHighContrastColor(true);
|
|
|
|
// Flip visually
|
|
$cp->SetInvert();
|
|
|
|
// Fill the contours
|
|
$cp->SetFilled(true);
|
|
|
|
// Display labels
|
|
$cp->ShowLabels(true);
|
|
|
|
// No lines
|
|
$cp->ShowLines(false);
|
|
|
|
// And add the plot to the graph
|
|
$graph->Add($cp);
|
|
|
|
// Send it back to the client
|
|
$graph->stroke();
|
|
|
|
?>
|