| author | Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr> |
| Thu, 10 Apr 2014 14:20:23 +0200 | |
| changeset 47 | c0b4a8b5a012 |
| permissions | -rw-r--r-- |
|
47
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
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1 |
<!DOCTYPE html> |
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2 |
<html> |
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3 |
<head> |
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4 |
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"> |
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5 |
<title>Contour</title> |
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6 |
<script type="text/javascript" src="../../d3.js"></script> |
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7 |
<script type="text/javascript" src="../../d3.geom.js"></script> |
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8 |
<style type="text/css"> |
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9 |
svg { |
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10 |
border: solid 1px #aaa; |
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11 |
} |
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12 |
path { |
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13 |
stroke: red; |
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c0b4a8b5a012
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
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14 |
stroke-width: 2px; |
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c0b4a8b5a012
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
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15 |
fill: none; |
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c0b4a8b5a012
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16 |
} |
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c0b4a8b5a012
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17 |
rect { |
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18 |
fill: lightsteelblue; |
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19 |
stroke: #eee; |
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c0b4a8b5a012
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parents:
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20 |
stroke-width: 2px; |
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c0b4a8b5a012
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
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21 |
} |
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c0b4a8b5a012
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22 |
rect.d1 { |
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23 |
fill: steelblue; |
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c0b4a8b5a012
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24 |
} |
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25 |
rect.d2 { |
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c0b4a8b5a012
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26 |
fill: darkblue; |
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c0b4a8b5a012
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27 |
} |
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28 |
</style> |
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29 |
</head> |
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30 |
<body> |
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31 |
<script type="text/javascript"> |
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32 |
|
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33 |
function grid0(x,y) { |
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34 |
if (x < 0 || y < 0 || x >= dw || y >= dh) return 0; |
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35 |
return data[y][x]; |
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parents:
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36 |
} |
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c0b4a8b5a012
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parents:
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37 |
function grid1(x,y) { |
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c0b4a8b5a012
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parents:
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38 |
if (x < 0 || y < 0 || x >= dw || y >= dh) return 0; |
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parents:
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39 |
return data[y][x]==1; |
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40 |
} |
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c0b4a8b5a012
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parents:
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41 |
function grid2(x,y) { |
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42 |
if (x < 0 || y < 0 || x >= dw || y >= dh) return 0; |
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43 |
return data[y][x]==2; |
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parents:
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44 |
} |
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parents:
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45 |
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46 |
var data = [[0, 0, 0, 0, 0, 0, 0, 0, 0, 0], |
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47 |
[0, 0, 0, 2, 2, 2, 0, 0, 0, 0], |
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48 |
[0, 0, 0, 2, 2, 2, 2, 0, 0, 0], |
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49 |
[0, 0, 2, 2, 2, 2, 2, 2, 0, 0], |
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50 |
[0, 0, 2, 2, 2, 2, 2, 2, 2, 0], |
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51 |
[0, 0, 2, 1, 0, 0, 2, 2, 2, 0], |
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52 |
[0, 0, 1, 1, 0, 0, 2, 2, 2, 0], |
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53 |
[0, 0, 0, 0, 1, 1, 2, 2, 0, 0], |
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54 |
[0, 0, 0, 0, 1, 2, 2, 2, 0, 0], |
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55 |
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]], |
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parents:
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56 |
fn = [grid0, grid1, grid2], |
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parents:
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57 |
dw = data[0].length, |
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parents:
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58 |
dh = data.length; |
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59 |
sz = 30, |
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60 |
grid = grid0; |
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61 |
|
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62 |
function translateY(d, i) { return "translate(0,"+(i*sz)+")"; } |
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63 |
function translateX(d, i) { return "translate("+(i*sz)+",0)"; } |
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64 |
function scale(p) { return [p[0]*sz, p[1]*sz]; } |
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65 |
|
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66 |
var svg = d3.select("body") |
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67 |
.append("svg:svg") |
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68 |
.attr("width", dw*sz) |
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parents:
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69 |
.attr("height", dh*sz); |
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70 |
|
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71 |
var g = svg.selectAll("g") |
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72 |
.data(data) |
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73 |
.enter().append("svg:g") |
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parents:
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74 |
.attr("transform", translateY); |
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75 |
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76 |
g.selectAll("rect") |
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parents:
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77 |
.data(function(d) { return d; }) |
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78 |
.enter().append("svg:rect") |
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parents:
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79 |
.attr("transform", translateX) |
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80 |
.attr("width", sz) |
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81 |
.attr("height", sz) |
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82 |
.attr("class", function(d) { return "d"+d; }) |
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83 |
.on("mouseover", mouseover); |
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84 |
|
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85 |
contour(grid); |
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86 |
|
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87 |
function contour(grid, start) { |
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88 |
svg.selectAll("path") |
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parents:
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89 |
.data([d3.geom.contour(grid, start).map(scale)]) |
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90 |
.attr("d", function(d) { return "M" + d.join("L") + "Z"; }) |
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parents:
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91 |
.enter().append("svg:path") |
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parents:
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92 |
.attr("d", function(d) { return "M" + d.join("L") + "Z"; }); |
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93 |
} |
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94 |
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95 |
function mouseover(d,i) { |
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parents:
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96 |
var s = undefined; |
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97 |
grid = fn[d]; |
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98 |
if (d > 0) { |
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99 |
// map mouse to grid coords, then find left edge |
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c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
100 |
var p = d3.svg.mouse(svg[0][0]); |
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c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
101 |
s = [Math.floor(p[0]/sz), Math.floor(p[1]/sz)]; |
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c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
102 |
while (grid(s[0]-1,s[1])) s[0]--; |
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c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
103 |
} |
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c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
104 |
contour(grid, s); |
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c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
105 |
} |
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c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
106 |
</script> |
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c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
107 |
</body> |
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c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
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108 |
</html> |