I'm a professor of mathematics at the University of North Carolina Asheville. I've also done a fair amount of consulting work over the years focusing on scientific and data visualization.
I'm happy to be part of the first Observable Ambassador's cohort.
Public
Edited
Apr 26, 2022
5 stars
PlotX3DExamples of parametric surfacesDisks for a solid of revolutionShells for a solid of revolutionIntersecting cylindersNon-orientability of a Mobius stripNon-orientability of the Klein bottleThe xxx^xxx-spindleX3Dom primitivesParametric surfacesSpace curves and tubesHollow cylinderPlotX3D InteractionsUnderstanding X3D viewpointsX3Dom UtilitiesPartial derivativesA PlotX3D animationPolar CoordinatesDouble and iterated integralsLevel surfacesExamples of level surfacesA strange discontinuityTangent plane to a level surfaceUnfolding polyhedraFunctions of two variablesTracing a path on a sphereCooling of a sphereTurntable for PlotX3D (improved)BMWalker via PlotX3DThe Canted HelixAnimated HelixRauzy FractalsThe eleven unfoldings of the cubeWavy spheres
PlotX3D Hyperboloid
Also listed in…
Math
lines(T)
// Intial rotation
T = 0.8 * Math.PI
// Number of threads
N = 60
function lines(t) {
let t2 = t / 2;
return d3.range(N).map(function(i) {
let theta = (2 * Math.PI * i) / N;
return [
[2 * Math.cos(theta + t2), 2 * Math.sin(theta + t2), 0],
[2 * Math.cos(theta - t2), 2 * Math.sin(theta - t2), 4]
];
});
}
import { Scrubber } from "@mbostock/scrubber"
import { Range } from "@observablehq/inputs"
import { path_list_to_coordString } from '@mcmcclur/x3dom-utilities'
import {
show_x3d,
create_indexedLineSet,
create_sphere
} from "@mcmcclur/plotx3d"
style = html`
<style>
canvas {
outline: none
}
output {
display: none
}
</style>
`
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