StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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69 lines
2.2 KiB
69 lines
2.2 KiB
4 years ago
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"use strict"
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module.exports = verifyFull
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var orient = require("robust-orientation")
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var createSlabs = require("../slabs.js")
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var rayBrutal = require("./bruteforce-ray")
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var invariant = require("./invariant")
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var genPoints = require("./generate-test-points")
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function verifyFull(t, segments) {
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function perm(rotate, flipX, flipY) {
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var signX = flipX ? -1 : 1
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var signY = flipY ? -1 : 1
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var parity = (flipX|0) ^ (flipY|0)
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var result = new Array(segments.length)
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for(var i=0; i<segments.length; ++i) {
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var s = new Array(2)
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for(var j=0; j<2; ++j) {
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var p = segments[i][j]
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if(rotate) {
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s[j^parity] = [ signX * p[1], signY * p[0] ]
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} else {
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s[j^parity] = [ signX * p[0], signY * p[1] ]
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}
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}
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result[i] = s
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}
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return result
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}
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function doTest(a, b, c) {
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var s = perm(a, b, c)
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var str = (a|0) + "" + (b|0) + "" + (c|0)
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var slabs = createSlabs(s)
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invariant(t, slabs)
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var points = genPoints(s)
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for(var i=0; i<points.length; ++i) {
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var expected = rayBrutal(s, points[i])
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var computed = slabs.castUp(points[i])
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if(expected>=0 && orient(s[expected][0], s[expected][1], points[i]) === 0) {
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if(computed < 0) {
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t.fail("castRay(" + points[i].join() + "): expected surface hit, got nothing - seg = (" + s[expected].join(")-(") + ")")
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} else {
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t.equals(orient(s[computed][0], s[computed][1], points[i]), 0, "castRay(" + points[i].join() + "): expect on surface")
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}
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} else if(expected < 0) {
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t.equals(computed, -1, "castRay(" + points[i].join() + ") - " + str + "-miss expected")
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} else {
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var x = s[computed]
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var y = s[expected]
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if(points[i][0] === x[0][0] && x[0][0] === y[0][0] && x[0][1] === x[0][1]) {
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t.ok(true, "end points match")
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} else {
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t.equals(computed, expected, "castRay(" + points[i].join() + ") - " + str)
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}
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}
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}
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}
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doTest(false, false, false)
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doTest(false, false, true)
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doTest(false, true, true)
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doTest(false, true, true)
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doTest(true, false, false)
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doTest(true, false, true)
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doTest(true, true, false)
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doTest(true, true, true)
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}
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