Modelo de Cúpula Catenária / Luiz Felipe Machado Barboza

rotatedPoints = angles.map((r) => { var angle = r / 180 * Math.PI; return points.map(p => [(p[0] * Math.cos(angle)) - 0 * Math.sin(angle), (p[0] * Math.sin(angle)) + 0 * Math.cos(angle), p[1]])})

points = d3.zip(ordinates, heights);

ordinates = pointsIndexes.concat([pointsIndexes[pointsIndexes.length - 1] + 1]).map(d => -X + x * d)

angles = arcsIndexes.map(d => 0 + a * d)

pointsIndexes = d3.ticks(0, pointsPerArc - 2, pointsPerArc - 2);

arcsIndexes = d3.ticks(0, arcsPerDome - 1, arcsPerDome - 1);

{

while (true) {

//shapes[0].rotation.z += 0.01;

renderer.render(scene, camera);

yield null;

}

renderer = {

const renderer = new THREE.WebGLRenderer({antialias: true});

renderer.setSize(width, width);

renderer.setPixelRatio(devicePixelRatio);

const controls = new THREE.OrbitControls(camera, renderer.domElement);

controls.addEventListener("change", () => renderer.render(scene, camera));

controls.target = new THREE.Vector3(0, hmax / 2, 0);

controls.update();

invalidation.then(() => (controls.dispose(), renderer.dispose()));

return renderer;

}

scene = {

const scene = new THREE.Scene();

scene.background = new THREE.Color(0xffffff);

scene.add(dome)

return scene;

}

camera = {

const fov = 45;

const aspect = 1;

const near = 1;

const far = 2000;

const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);

camera.position.z = 20;

camera.position.y = hmax / 2;

camera.lookAt(new THREE.Vector3(0, hmax / 2, 0))

return camera;

}

dome = {

var vertices = [];

for (var j = 0; j < rotatedPoints.length; j++) {

for (var i = 0; i < rotatedPoints[j].length - 1; i++) {

var lastArc = j == rotatedPoints.length - 1;

var j1 = j + 1, i0 = i, i1 = i + 1;

if (lastArc) {

j1 = 0;

i0 = rotatedPoints[j].length - i - 1;

i1 = i0 - 1;

}

var bottomLeft = rotatedPoints[j][i];

var bottomRight = rotatedPoints[j1][i0];

var topRight = rotatedPoints[j1][i1];

var topLeft = rotatedPoints[j][i + 1];

vertices = vertices.concat([

bottomLeft[0], bottomLeft[2], bottomLeft[1],

bottomRight[0], bottomRight[2], bottomRight[1],

topRight[0], topRight[2], topRight[1],

bottomLeft[0], bottomLeft[2], bottomLeft[1],

topRight[0], topRight[2], topRight[1],

topLeft[0], topLeft[2], topLeft[1],

]);

}

const geometry = new THREE.BufferGeometry();

geometry.setAttribute('position', new THREE.Float32BufferAttribute(vertices, 3));

geometry.computeVertexNormals();

const material = new THREE.MeshNormalMaterial({side: THREE.DoubleSide});

const mesh = new THREE.Mesh(geometry, material);

return mesh;

}

THREE = {

const THREE = window.THREE = await require("three@0.130.0/build/three.min.js");

await require("three@0.130.0/examples/js/controls/OrbitControls.js").catch(() => {});

return THREE;

}

One platform to build and deploy the best data apps

Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.

Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.

Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.

Learn more