1 | <?php // content="text/plain; charset=utf-8" |
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2 | // A simple Polar graph, |
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3 | |
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4 | require_once ('jpgraph/jpgraph.php'); |
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5 | require_once ('jpgraph/jpgraph_polar.php'); |
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6 | |
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7 | $data = array(5,1,20,5,30,25,40,60, |
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8 | 50,110,60,160,70,210,75,230,80,260,85,370, |
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9 | 90,480, |
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10 | 95,370,100,260,105,230, |
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11 | 110,210,120,160,130,110,140,60, |
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12 | 150,25,160,5,175,1); |
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13 | $n = count($data); |
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14 | /* |
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15 | for($i=0; $i < $n; $i+=2 ) { |
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16 | $data[$n+$i] = 360-$data[$i]; |
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17 | $data[$n+$i+1] = $data[$i+1]; |
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18 | } |
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19 | */ |
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20 | $graph = new PolarGraph(350,480); |
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21 | $graph->SetScale('log',100); |
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22 | $graph->SetType(POLAR_360); |
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23 | |
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24 | // Hide frame around graph (by setting width=0) |
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25 | $graph->SetFrame(true,'white',1); |
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26 | |
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27 | // Show both major and minor grid lines |
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28 | $graph->axis->ShowGrid(true,true); |
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29 | |
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30 | // Set color for gradient lines |
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31 | $graph->axis->SetGridColor('lightblue:0.9','lightblue:0.9','lightblue:0.9'); |
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32 | |
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33 | // Set label and axis colors |
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34 | $graph->axis->SetColor('black','navy','darkred'); |
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35 | |
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36 | // Draw the ticks on the bottom side of the radius axis |
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37 | $graph->axis->SetTickSide(SIDE_DOWN); |
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38 | |
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39 | // Increase the margin for the labels since we changed the |
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40 | // side of the ticks. |
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41 | $graph->axis->SetLabelMargin(6); |
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42 | |
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43 | // Change fonts |
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44 | $graph->axis->SetFont(FF_ARIAL,FS_NORMAL,8); |
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45 | $graph->axis->SetAngleFont(FF_ARIAL,FS_NORMAL,8); |
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46 | |
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47 | |
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48 | // Setup graph title |
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49 | $graph->title->Set('Polar plot #10'); |
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50 | $graph->title->SetFont(FF_ARIAL,FS_BOLD,16); |
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51 | $graph->title->SetColor('navy'); |
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52 | |
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53 | // Setup tab title |
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54 | $graph->tabtitle->Set('Microphone #1'); |
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55 | $graph->tabtitle->SetColor('brown:0.5','lightyellow'); |
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56 | |
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57 | |
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58 | $p = new PolarPlot($data); |
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59 | $p->SetFillColor('lightblue@0.5'); |
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60 | $p->mark->SetType(MARK_SQUARE); |
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61 | |
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62 | $graph->Add($p); |
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63 | |
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64 | $graph->Stroke(); |
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65 | |
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66 | ?> |
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