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author | 2017-02-07 11:47:55 -0500 | |
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committer | 2017-02-07 12:51:32 -0500 | |
commit | 1faf201e8608dfa4d7af3460fd3d1fc7ebec398b (patch) | |
tree | 2208f76271cc6b1a81dbfb9143cd7118b071a909 /ecomp-sdk/sdk-app/src/main/webapp/app/fusion/external/d3/js/fisheye.js | |
parent | ca23569858b8cc9f60010e193b7041feb2d3227b (diff) |
Initial OpenECOMP Portal SDK commit
Change-Id: I66a3491600a4b9ea241128dc29267eed6a78ed76
Signed-off-by: talasila <talasila@research.att.com>
Diffstat (limited to 'ecomp-sdk/sdk-app/src/main/webapp/app/fusion/external/d3/js/fisheye.js')
-rw-r--r-- | ecomp-sdk/sdk-app/src/main/webapp/app/fusion/external/d3/js/fisheye.js | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/ecomp-sdk/sdk-app/src/main/webapp/app/fusion/external/d3/js/fisheye.js b/ecomp-sdk/sdk-app/src/main/webapp/app/fusion/external/d3/js/fisheye.js new file mode 100644 index 00000000..e1addd7b --- /dev/null +++ b/ecomp-sdk/sdk-app/src/main/webapp/app/fusion/external/d3/js/fisheye.js @@ -0,0 +1,86 @@ +(function() { + d3.fisheye = { + scale: function(scaleType) { + return d3_fisheye_scale(scaleType(), 3, 0); + }, + circular: function() { + var radius = 200, + distortion = 2, + k0, + k1, + focus = [0, 0]; + + function fisheye(d) { + var dx = d.x - focus[0], + dy = d.y - focus[1], + dd = Math.sqrt(dx * dx + dy * dy); + if (!dd || dd >= radius) return {x: d.x, y: d.y, z: 1}; + var k = k0 * (1 - Math.exp(-dd * k1)) / dd * .75 + .25; + return {x: focus[0] + dx * k, y: focus[1] + dy * k, z: Math.min(k, 10)}; + } + + function rescale() { + k0 = Math.exp(distortion); + k0 = k0 / (k0 - 1) * radius; + k1 = distortion / radius; + return fisheye; + } + + fisheye.radius = function(_) { + if (!arguments.length) return radius; + radius = +_; + return rescale(); + }; + + fisheye.distortion = function(_) { + if (!arguments.length) return distortion; + distortion = +_; + return rescale(); + }; + + fisheye.focus = function(_) { + if (!arguments.length) return focus; + focus = _; + return fisheye; + }; + + return rescale(); + } + }; + + function d3_fisheye_scale(scale, d, a) { + + function fisheye(_) { + var x = scale(_), + left = x < a, + v, + range = d3.extent(scale.range()), + min = range[0], + max = range[1], + m = left ? a - min : max - a; + if (m == 0) m = max - min; + return (left ? -1 : 1) * m * (d + 1) / (d + (m / Math.abs(x - a))) + a; + } + + fisheye.distortion = function(_) { + if (!arguments.length) return d; + d = +_; + return fisheye; + }; + + fisheye.focus = function(_) { + if (!arguments.length) return a; + a = +_; + return fisheye; + }; + + fisheye.copy = function() { + return d3_fisheye_scale(scale.copy(), d, a); + }; + + fisheye.nice = scale.nice; + fisheye.ticks = scale.ticks; + fisheye.tickFormat = scale.tickFormat; + return d3.rebind(fisheye, scale, "domain", "range"); + } +})(); |