1 | <?php // content="text/plain; charset=utf-8" |
---|
2 | require_once ('jpgraph/jpgraph.php'); |
---|
3 | require_once ('jpgraph/jpgraph_line.php'); |
---|
4 | require_once ('jpgraph/jpgraph_utils.inc.php'); |
---|
5 | |
---|
6 | $f = new FuncGenerator('cos($x)*$x'); |
---|
7 | list($xdata,$ydata) = $f->E(-1.2*M_PI,1.2*M_PI); |
---|
8 | |
---|
9 | $f = new FuncGenerator('$x*$x'); |
---|
10 | list($x2data,$y2data) = $f->E(-2,2); |
---|
11 | |
---|
12 | // Setup the basic graph |
---|
13 | $graph = new Graph(450,350); |
---|
14 | $graph->SetScale("linlin"); |
---|
15 | //$graph->SetShadow(); |
---|
16 | $graph->img->SetMargin(5,10,60,9); |
---|
17 | $graph->SetBox(true,'green',2); |
---|
18 | $graph->SetMarginColor('black'); |
---|
19 | $graph->SetColor('black'); |
---|
20 | |
---|
21 | // ... and titles |
---|
22 | $graph->title->Set('Example of Function plot'); |
---|
23 | $graph->title->SetFont(FF_FONT1,FS_BOLD); |
---|
24 | $graph->title->SetColor('lightgreen'); |
---|
25 | $graph->subtitle->Set("(With some more advanced axis formatting\nHiding first and last label)"); |
---|
26 | $graph->subtitle->SetFont(FF_FONT1,FS_NORMAL); |
---|
27 | $graph->subtitle->SetColor('lightgreen'); |
---|
28 | |
---|
29 | $graph->xgrid->Show(); |
---|
30 | $graph->xgrid->SetColor('darkgreen'); |
---|
31 | $graph->ygrid->SetColor('darkgreen'); |
---|
32 | |
---|
33 | $graph->yaxis->SetPos(0); |
---|
34 | $graph->yaxis->SetWeight(2); |
---|
35 | $graph->yaxis->HideZeroLabel(); |
---|
36 | $graph->yaxis->SetFont(FF_FONT1,FS_BOLD); |
---|
37 | $graph->yaxis->SetColor('green','green'); |
---|
38 | $graph->yaxis->HideTicks(true,true); |
---|
39 | $graph->yaxis->HideFirstLastLabel(); |
---|
40 | |
---|
41 | $graph->xaxis->SetWeight(2); |
---|
42 | $graph->xaxis->HideZeroLabel(); |
---|
43 | $graph->xaxis->HideFirstLastLabel(); |
---|
44 | $graph->xaxis->SetFont(FF_FONT1,FS_BOLD); |
---|
45 | $graph->xaxis->SetColor('green','green'); |
---|
46 | |
---|
47 | $lp1 = new LinePlot($ydata,$xdata); |
---|
48 | $lp1->SetColor('yellow'); |
---|
49 | $lp1->SetWeight(2); |
---|
50 | |
---|
51 | $lp2 = new LinePlot($y2data,$x2data); |
---|
52 | list($xm,$ym)=$lp2->Max(); |
---|
53 | $lp2->SetColor('blue'); |
---|
54 | $lp2->SetWeight(2); |
---|
55 | |
---|
56 | |
---|
57 | $graph->Add($lp1); |
---|
58 | $graph->Add($lp2); |
---|
59 | $graph->Stroke(); |
---|
60 | |
---|
61 | ?> |
---|
62 | |
---|
63 | |
---|