8ec98c9f
 Guillaume
MAJ
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
<?php // content="text/plain; charset=utf-8"
// Contour plot example 04
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_contour.php');
$data = array(
array (12,12,10,10,8,4),
array (10,10,8,14,10,3),
array (7,7,13,17,12,8),
array (4,5,8,12,7,6),
array (10,8,7,8,10,4));
// Setup a basic graph context with some generous margins to be able
// to fit the legend
$graph = new Graph(500,380);
$graph->SetMargin(40,140,60,40);
$graph->title->Set("Example of interpolated contour plot");
$graph->title->SetFont(FF_ARIAL,FS_BOLD,14);
$graph->title->SetMargin(10);
// For contour plots it is custom to use a box style ofr the axis
$graph->legend->SetPos(0.05,0.5,'right','center');
$graph->SetScale('intint');
// Setup axis and grids
$graph->SetAxisStyle(AXSTYLE_BOXOUT);
$graph->xgrid->SetLineStyle('dashed');
$graph->xgrid->Show(true);
$graph->ygrid->SetLineStyle('dashed');
$graph->ygrid->Show(true);
// A simple contour plot with 10 isobar lines and flipped Y-coordinates
// Make the data smoother by interpolate the original matrice by a factor of two
// which will make each grid cell half the original size
$cp = new ContourPlot($data,10, 2);
$cp->UseHighContrastColor(true);
// Display the legend
$cp->ShowLegend();
// Make the isobar lines slightly thicker
$graph->Add($cp);
// ... and send the graph back to the browser
$graph->Stroke();
?>
|