Commit | Line | Data |
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773d1312 RK |
1 | <!DOCTYPE html> |
2 | <html> | |
3 | <head> | |
240c0b11 | 4 | <title>Custom Circles</title> |
773d1312 RK |
5 | <!-- |
6 | For production (minified) code, use: | |
7 | <script type="text/javascript" src="dygraph-combined.js"></script> | |
8 | --> | |
9 | <script type="text/javascript" src="../dygraph-dev.js"></script> | |
b7a1dc22 | 10 | <script type="text/javascript" src="../extras/shapes.js"></script> |
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11 | |
12 | </head> | |
13 | <body> | |
240c0b11 | 14 | <h2>Custom circles and hover circles</h2> |
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15 | |
16 | <script type="text/javascript"> | |
a7803eea KW |
17 | // Simple version |
18 | var div = document.createElement('div'); | |
19 | document.body.appendChild(div); | |
20 | ||
21 | var data = 'x,A,B\n' + | |
22 | '1,1,2\n' + | |
23 | '2,2,4\n' + | |
24 | '3,3,6\n' + | |
25 | '4,4,8\n' + | |
26 | '5,5,7\n'; | |
27 | var g = new Dygraph(div, data, { | |
28 | drawPoints : true, | |
29 | pointSize : 5, | |
30 | highlightCircleSize: 8, | |
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31 | series : { |
32 | A : { | |
33 | drawPointCallback : Dygraph.Circles.TRIANGLE, | |
34 | drawHighlightPointCallback : Dygraph.Circles.TRIANGLE | |
35 | }, | |
36 | B : { | |
37 | drawPointCallback : Dygraph.Circles.HEXAGON, | |
38 | drawHighlightPointCallback : Dygraph.Circles.HEXAGON | |
39 | } | |
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40 | } |
41 | }); | |
42 | ||
43 | ||
44 | // Fancy demos | |
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45 | var smile = function(g, series, ctx, cx, cy, color, radius) { |
46 | mouthlessFace(g, series, ctx, cx, cy, color, radius); | |
773d1312 | 47 | |
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48 | ctx.fillStyle = "#000000"; |
49 | ctx.beginPath(); | |
50 | ctx.arc(cx, cy, radius - 2, .3, Math.PI - .3, false); | |
51 | ctx.stroke(); | |
52 | }; | |
53 | ||
54 | var frown = function(g, series, ctx, cx, cy, color, radius) { | |
55 | mouthlessFace(g, series, ctx, cx, cy, color, radius); | |
56 | ||
a8ef67a8 | 57 | ctx.lineWidth = 1; |
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58 | ctx.fillStyle = "#000000"; |
59 | ctx.beginPath(); | |
4ab51f75 | 60 | ctx.arc(cx, cy + radius, radius - 2, Math.PI + .3, -.3, false); |
240c0b11 RK |
61 | ctx.stroke(); |
62 | }; | |
773d1312 | 63 | |
240c0b11 | 64 | var mouthlessFace = function(g, series, ctx, cx, cy, color, radius) { |
a8ef67a8 | 65 | ctx.lineWidth = 1; |
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66 | ctx.strokeStyle = "#000000"; |
67 | ctx.fillStyle = "#FFFF00"; | |
68 | ctx.beginPath(); | |
69 | ctx.arc(cx, cy, radius, Math.PI * 2, false); | |
70 | ctx.closePath(); | |
71 | ctx.stroke(); | |
72 | ctx.fill(); | |
773d1312 | 73 | |
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74 | ctx.fillStyle = "#000000"; |
75 | ctx.beginPath(); | |
76 | ctx.arc(cx - (radius / 3) , cy - (radius / 4), 1, Math.PI * 2, false); | |
77 | ctx.closePath(); | |
78 | ctx.stroke(); | |
79 | ctx.fill(); | |
773d1312 | 80 | |
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81 | ctx.beginPath(); |
82 | ctx.arc(cx + (radius / 3) , cy - (radius / 4), 1, Math.PI * 2, false); | |
83 | ctx.closePath(); | |
84 | ctx.stroke(); | |
85 | ctx.fill(); | |
86 | }; | |
87 | ||
a7803eea | 88 | var makeGraph = function(title, yFunc, extraOpts) { |
30b2bf7d KW |
89 | var opts = { |
90 | drawPoints : true, | |
91 | pointSize : 5 | |
92 | }; | |
93 | ||
94 | var shapes = []; | |
a7803eea | 95 | var addShape = function(name, pointFn, highlightPointFn) { |
30b2bf7d | 96 | shapes.push(name); |
27fd63fc DV |
97 | if (!opts['series']) opts['series'] = {}; |
98 | opts.series[name] = { | |
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99 | drawPointCallback: pointFn, |
100 | drawHighlightPointCallback: highlightPointFn | |
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101 | }; |
102 | }; | |
103 | ||
104 | for (var shape in Dygraph.Circles) { | |
105 | if (!Dygraph.Circles.hasOwnProperty(shape)) continue; | |
106 | var fn = Dygraph.Circles[shape]; | |
107 | if (typeof fn !== 'function') continue; | |
108 | addShape(shape.toLowerCase(), fn, fn); | |
109 | }; | |
110 | addShape('custom', frown, smile); | |
111 | ||
112 | for (var key in extraOpts) { | |
113 | if (extraOpts.hasOwnProperty(key)) { | |
114 | opts[key] = extraOpts[key]; | |
115 | } | |
116 | }; | |
773d1312 | 117 | |
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118 | var header = document.createElement('h3'); |
119 | header.appendChild(document.createTextNode(title)); | |
120 | document.body.appendChild(header); | |
121 | ||
30b2bf7d KW |
122 | var div = document.createElement('div'); |
123 | document.body.appendChild(div); | |
a7803eea | 124 | |
30b2bf7d KW |
125 | var g = new Dygraph( |
126 | div, | |
127 | function() { | |
128 | var r = "xval," + shapes.join(',') + "\n"; | |
129 | var n = shapes.length; | |
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130 | for (var i=1; i<=20; i++) { |
131 | r += i; | |
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132 | for (var j = 0; j < n; j++) { |
133 | r += "," + yFunc(i, j, n); | |
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134 | } |
135 | r += "\n"; | |
136 | } | |
137 | return r; | |
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138 | }, opts); |
139 | }; | |
140 | ||
141 | makeGraph( | |
a7803eea | 142 | "Gallery of predefined shapes, adding a custom shape:", |
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143 | function(x, c, n) { |
144 | return x / 3 + c * 10; | |
145 | }, { | |
146 | highlightCircleSize : 8 | |
147 | }); | |
148 | makeGraph( | |
a7803eea | 149 | "With interactive per-series highlighting:", |
30b2bf7d KW |
150 | function(x, c, n) { |
151 | return Math.sin(x * c / n); | |
152 | }, { | |
153 | strokeBorderWidth: 2, | |
154 | highlightSeriesOpts: { | |
155 | pointSize: 6, | |
156 | highlightCircleSize: 10, | |
157 | strokeWidth: 2, | |
158 | }}); | |
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159 | </script> |
160 | </body> | |
3fdc648d | 161 | </html> |