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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138 lines
3.3 KiB
138 lines
3.3 KiB
"use strict";
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import { Vector } from "./Vector";
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import { Matrix } from "./Matrix";
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//From glUtils.js
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export function mht(m)
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{
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var s = "";
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if (m.length == 16)
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{
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for (var i = 0; i < 4; i++)
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{
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s += "<span style='font-family: monospace'>[" + m[i*4+0].toFixed(4) + "," + m[i*4+1].toFixed(4) + "," + m[i*4+2].toFixed(4) + "," + m[i*4+3].toFixed(4) + "]</span><br>";
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}
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}
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else if (m.length == 9)
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{
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for (var i = 0; i < 3; i++)
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{
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s += "<span style='font-family: monospace'>[" + m[i*3+0].toFixed(4) + "," + m[i*3+1].toFixed(4) + "," + m[i*3+2].toFixed(4) + "]</font><br>";
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}
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}
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else
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{
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return m.toString();
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}
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return s;
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}
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//From glUtils.js
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//
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// gluLookAt
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//
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export function makeLookAt(ex, ey, ez,
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cx, cy, cz,
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ux, uy, uz)
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{
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var eye = new Vector([ex, ey, ez]);
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var center = new Vector([cx, cy, cz]);
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var up = new Vector([ux, uy, uz]);
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var mag;
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var z = eye.subtract(center).toUnitVector();
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var x = up.cross(z).toUnitVector();
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var y = z.cross(x).toUnitVector();
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var m = new Matrix([
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[x.e(1), x.e(2), x.e(3), 0],
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[y.e(1), y.e(2), y.e(3), 0],
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[z.e(1), z.e(2), z.e(3), 0],
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[0, 0, 0, 1]
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]);
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var t = new Matrix([
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[1, 0, 0, -ex],
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[0, 1, 0, -ey],
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[0, 0, 1, -ez],
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[0, 0, 0, 1]
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]);
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return m.x(t);
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}
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//From glUtils.js
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//
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// glOrtho
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//
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export function makeOrtho(left, right,
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bottom, top,
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znear, zfar)
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{
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var tx = -(right+left)/(right-left);
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var ty = -(top+bottom)/(top-bottom);
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var tz = -(zfar+znear)/(zfar-znear);
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return new Matrix([
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[2/(right-left), 0, 0, tx],
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[0, 2/(top-bottom), 0, ty],
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[0, 0, -2/(zfar-znear), tz],
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[0, 0, 0, 1]
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]);
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}
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//From glUtils.js
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//
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// gluPerspective
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//
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export function makePerspective(fovy, aspect, znear, zfar)
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{
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var ymax = znear * Math.tan(fovy * Math.PI / 360.0);
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var ymin = -ymax;
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var xmin = ymin * aspect;
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var xmax = ymax * aspect;
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return makeFrustum(xmin, xmax, ymin, ymax, znear, zfar);
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}
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//From glUtils.js
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//
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// glFrustum
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//
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export function makeFrustum(left, right,
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bottom, top,
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znear, zfar)
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{
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var X = 2*znear/(right-left);
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var Y = 2*znear/(top-bottom);
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var A = (right+left)/(right-left);
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var B = (top+bottom)/(top-bottom);
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var C = -(zfar+znear)/(zfar-znear);
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var D = -2*zfar*znear/(zfar-znear);
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return new Matrix([
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[X, 0, A, 0],
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[0, Y, B, 0],
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[0, 0, C, D],
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[0, 0, -1, 0]
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]);
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}
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//From glUtils.js
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//
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// glOrtho
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//
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export function makeOrtho(left, right, bottom, top, znear, zfar)
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{
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var tx = - (right + left) / (right - left);
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var ty = - (top + bottom) / (top - bottom);
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var tz = - (zfar + znear) / (zfar - znear);
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return new Matrix([
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[2 / (right - left), 0, 0, tx],
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[0, 2 / (top - bottom), 0, ty],
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[0, 0, -2 / (zfar - znear), tz],
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[0, 0, 0, 1]
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]);
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} |