3d vector function grapher

circleMesh = new THREE.MeshBasicMaterial({ } } }); }); meshXconeTxt.style.top = (meshXconeTxtY - 6) + "px"; yMin = 1 * (1 * values[0]).toFixed(1); // createGraph(); // MAIN color: 0x0000FF tooltips: true, console.log('An error happened'); // zStart = -2 * zTick; axesXTxtDivs[i] = document.getElementById("axesXTxt" + i); For example, "tan 2x" won't work. createGraph(); } } else { } floor.traverse(function(object) { // if (options[i].selected) { scene.remove(graphMesh); zScaleSlid.noUiSlider.set(zScale); /////////////////////////////////////// meshZconeTxt.style.left = (meshZconeTxtX + 6) + "px"; }); setArrChkArr = settingsArr[chk].split(","); for (var i = 0; i < graphGeometry.faces.length; i++) { Credit: The above 3D grapher is based on Lee Stemkoski's Three.js Examples. wireTexture.repeat.set(40, 40); zTick = getNextHighest10(11/zScale); // Learn how, Wolfram Natural Language Understanding System, how to display arrows outside the vector range, expression to evaluate at every function evaluation, aspects of performance to try to optimize, precision to use in internal computations, tube segment aligned in the field direction, line segment aligned in the field direction. var canvasDivs = WebGLCanvas.getElementsByTagName("div"); // CUSTOM OBJECTS // } zScaleTit.style.color = "#aaa"; Also make use of the z-Scale slider to see main features of the graph, 7. segSlid.noUiSlider.on('change', function(values, handle){ Click on the "domain" to change it geometry = new THREE.CylinderGeometry(0, 0.2, 0.4, 20, 5, false); Privacy & Cookies | graphUpdates(); } }); for (i = 0; i < 21; i++) { gebi("xmaxTit").classList.add("displayNone"); scene.add(floor); yMinSlid.getElementsByClassName("noUi-tooltip")[0].style.left = 200+"%"; If the resultant is \( \textbf{c} \), then. target.set( x, y, z ); }); var dotMaterial = new THREE.PointsMaterial({ mat = new THREE.LineDashedMaterial({ } var axes = new THREE.Object3D(); loader.load('img/square.png', } if( segSlid.noUiSlider) { var WebGLCanvas = document.getElementById("WebGLCanvas"); } zAxis = createZaxis(); y = yRange * y + yMin; start: [ xMin ], 2. axesXNums[i].id = 'axesXTxt' + i; // range: { function toScreenPosition(obj, camera) { function doThree() { color: 0x0000FF xStart = Number(setArrChkArr[1].trim()); Added Nov 22, 2014 by sam.st in Mathematics. document.getElementById("showMesh").addEventListener("click", function() { xMax = xStart; yMin = 1 * (1 * values[0]).toFixed(1); } vertexIndex = face[faceIndices[j]]; function init() { step: 0.1, }); if( zScaleSlid.noUiSlider) { } */ i++; axesYTxtDivs[i].style.left = (toScreenPosition(spheresY[i].geometry.vertices[0], camera).x - 12) + "px"; }, Vector fields - a simple and painless introduction, GraphSketch.com - free online math grapher, differentiating xihat+yjhat+zkhat. // noUiSlider.create(yMinSlid, { // type="range" min="-20" value = "-5" max="0" step="0.1" }); vector.project(camera); meshXcone.position.set(12.0, 0.0, 0.0); var gridMaterial, wireMaterial, vertexColorMaterial; xRange = xMax - xMin; 'min': 0.1, WebGLCanvas.appendChild(meshYconeDiv); segSlid.getElementsByClassName("noUi-tooltip")[0].style.left = -75+"%"; ///////////////////////////////// noUiSlider.create(segSlid, { // For all graphs, range 1 to 100, default 75 } else { yMinSlid.noUiSlider.on('change', function(values, handle){ 'max': 10 3D vectors. if( xMinSlid.noUiSlider) { 'max': 100 var dotMaterial = new THREE.PointsMaterial({ if (typeof(graphMesh) == "object") { graphInit(chooseFn.value); axesZNums[i] = document.createElement('div'); sel = ""; yMinSlid.noUiSlider.destroy(); axes.remove(meshZcone); } Scaling a Function. Lines: Point Slope Form. yStart = Number(setArrChkArr[4].trim()); }) color: 0xff44ff function resizeThrottler() { yMax = yStart; } vector.x = (vector.x * widthHalf) + widthHalf + 5; } // Must go backwards! if(1 * values[0] < xMaxFixed/2) { function getNextHighest10(num) { } graphMesh.scale.z = zScale; Maths Geometry Graph plot vector. } else { Home | ///////////////////////////////// animate: false, // added because of unbind problem // Cones at end of axes You can vary the x- and y- lower and upper limits using the sliders below the graph. var meshXcone,meshYcone,meshZcone; ////////////////////////////////////////////// if(con.checked) { } graphIt.addEventListener("click", function() { mesh You can also toggle between 3D Grapher mode and Contour mode. In this mode, you are looking at the 3D graph from above and the colored lines represent equal heights (it's just like a contour map in geography). axesXNums[i].innerHTML = '' + (i - 10) + ''; // axesXTxtDivs[i].style.left = (toScreenPosition(spheresX[i].geometry.vertices[0], camera).x - 8) + "px"; }; meshXcone.lookAt(point); axes.add(spheresY[i]); meshZcone.lookAt(point); ////////////////////////////////////////////// floor = new THREE.Mesh(floorGeometry, floorMaterial); showMesh.removeAttribute("disabled"); funcInput.style.background = "#ff8888"; createGraph(); // // yMinFixed = Number(setArrChkArr[3].trim()); } map: wireTexture, "-10,8,10, -6,5.5,6, 60,60,120, 0.3" dotGeometry.vertices.push(new THREE.Vector3(0, 0, (j * zScale))); canvasDivs[i].parentNode.removeChild(canvasDivs[i]); In fact, you can use most of the javascript math functions, including. function graphInit(chk) { axesXTxtDivs[i].style.top = (toScreenPosition(spheresX[i].geometry.vertices[0], camera).y + 3) + "px"; Sitemap | } //////////////////////////////////////////// if (!resizeTimeout) { // Floor }, } range: { var chk = 0; vertexColors: THREE.VertexColors, gebi("xminTit").classList.remove("displayNone"); }) yMaxSlid.getElementsByClassName("noUi-tooltip")[0].style.left = -100+"%"; } else { // For ticks text }); var canvasHeight = canvasWidth; canvasDiv.parentNode.removeChild(canvasDiv); }); meshTxt.style.color = "#aaa"; 'max': xMaxFixed The demo above allows you to enter up to three vectors in the form (x,y,z). }) function animate() { point = new THREE.Vector3(20.0, 0.0, 0.0) dashSize: 0.5, gebi("ymaxTit").classList.remove("displayNone");

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Ngày đăng: 13/11/2020