nullvalueex01.php
1.37 KB
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
51
52
53
54
55
<?php // content="text/plain; charset=utf-8"
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_line.php');
// Some data
$datax = array("2001-04-01","2001-04-02","2001-04-03","2001-04-04","2001-04-05","2001-04-06");
$datay = array(28,13,24,"",90,11);
$data2y = array(11,41,"-",33,"-",63);
// Setup graph
$graph = new Graph(400,250);
$graph->clearTheme();
$graph->img->SetMargin(40,150,40,80);
$graph->SetScale("textlin");
$graph->SetShadow();
//Setup title
$graph->title->Set("Line plot with null values");
// Use built in font
$graph->title->SetFont(FF_ARIAL,FS_NORMAL,14);
// Slightly adjust the legend from it's default position
$graph->legend->Pos(0.03,0.5,"right","center");
$graph->legend->SetFont(FF_FONT1,FS_BOLD);
// Setup X-scale
$graph->xaxis->SetTickLabels($datax);
$graph->xaxis->SetFont(FF_ARIAL,FS_NORMAL,8);
$graph->xaxis->SetLabelAngle(45);
// Create the first line
$p1 = new LinePlot($datay);
$p1->mark->SetType(MARK_FILLEDCIRCLE);
$p1->mark->SetFillColor("red");
$p1->mark->SetWidth(4);
$p1->SetColor("blue");
$p1->SetCenter();
$p1->SetLegend("Undefined\nvariant 1");
$graph->Add($p1);
// ... and the second
$p2 = new LinePlot($data2y);
$p2->mark->SetType(MARK_STAR);
$p2->mark->SetFillColor("red");
$p2->mark->SetWidth(4);
$p2->SetColor("red");
$p2->SetCenter();
$p2->SetLegend("Undefined\nvariant 2");
$graph->Add($p2);
// Output line
$graph->Stroke();
?>