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3DObjectViewer.htm
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3DObjectViewer.htm
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>3D Object Viewer</title>
<link rel="stylesheet" type="text/css" href="3DObjectViewer.css">
<meta name="theme-color" content="#3f729b"/>
<meta name="viewport" content="width=380, initial-scale=1, maximum-scale=1"/>
</head>
<body>
<div id="loading" class="loading_splash">
<div class="loading_splash_container">
<div class="lds-spinner"><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div></div>
</div>
</div>
<div class="content">
<div id="container"></div>
<div id="container2">
<span id="densityLabel"></span>: <span id="densityValue"></span> g/cc <input type="submit" class="buttonChanger" onclick="moreDensity(true);" value="+"/> <input type="submit" class="buttonChanger" onclick="moreDensity(false);" value="-"/><br />
<span id="weightLabel"></span>: <span id="weightValue"></span> g<br />
<span id="volumeLabel"></span>: <span id="volumeValue"></span> cm3<br />
<span id="sizeLabel"></span>: <span id="widthValue"></span> x <span id="heightValue"></span> x <span id="depthValue"></span> cm<br />
<hr class="separator"/>
<span id="costKilogramLabel"></span>: $<span id="costKilogramValue"></span> <input type="submit" class="buttonChanger" onclick="moreCost(true);" value="+"/> <input type="submit" class="buttonChanger" onclick="moreCost(false);" value="-"/><br />
<span id="costLabel"></span>: $<span id="costValue"></span><br />
<hr class="separator"/>
<span id="diameterLabel"></span>: <span id="diameterValue"></span> mm <input type="submit" class="buttonChanger" onclick="moreDiameter(true);" value="+"/> <input type="submit" class="buttonChanger" onclick="moreDiameter(false);" value="-"/><br />
<span id="speedLabel"></span>: <span id="speedValue"></span> mm/s <input type="submit" class="buttonChanger" onclick="moreSpeed(true);" value="+"/> <input type="submit" class="buttonChanger" onclick="moreSpeed(false);" value="-"/><br />
<span id="lengthLabel"></span>: <span id="lengthValue"></span> mm<br />
<span id="timeLabel"></span>: <span id="hoursValue"></span> <span id="hoursLabel"></span> <span id="minutesValue"></span> <span id="minutesLabel"></span><br />
</div>
<div class="container3">
<div class="leftitem">
<input type="file" id="modelOBJ" onChange="runViewer();" disabled>
</div>
</div>
</div>
<script src="3DObjectViewer.js"></script>
<script>
// THE BROWSER LANGUAGE VARIABLE
var userLanguage = window.navigator.userLanguage || window.navigator.language;
var STRING_ERROR = "";
if (userLanguage.substring(0,2)=="es")
{
STRING_ERROR = "ERROR: Por favor verifique que el modelo se encuentre en formato STL, OBJ o 3DS.";
}
else
{
STRING_ERROR = "ERROR: Please check that the model is a STL, OBJ or 3DS model.";
}
var container, camera, scene, renderer, controls, light, vol, mesh, height, heightFinal, width, widthFinal, depth, depthFinal;
var density = parseFloat("1.05");
var filament_cost = parseFloat("200");
var filament_diameter = parseFloat("1.75");
var printing_speed = parseFloat("150");
if (userLanguage.substring(0,2)=="es")
{
document.getElementById("densityLabel").innerHTML = "Densidad";
document.getElementById("weightLabel").innerHTML = "Peso";
document.getElementById("volumeLabel").innerHTML = "Volumen";
document.getElementById("sizeLabel").innerHTML = "Medidas";
document.getElementById("costKilogramLabel").innerHTML = "Costo de 1 kilogramo de filamento";
document.getElementById("costLabel").innerHTML = "Costo de impresión";
document.getElementById("diameterLabel").innerHTML = "Diámetro del filamento";
document.getElementById("speedLabel").innerHTML = "Velocidad de impresión";
document.getElementById("lengthLabel").innerHTML = "Longitud de filamento";
document.getElementById("timeLabel").innerHTML = "Tiempo de impresión";
document.getElementById("hoursLabel").innerHTML = "horas";
document.getElementById("minutesLabel").innerHTML = "minutos";
}
else
{
document.getElementById("densityLabel").innerHTML = "Density";
document.getElementById("weightLabel").innerHTML = "Weight";
document.getElementById("volumeLabel").innerHTML = "Volume";
document.getElementById("sizeLabel").innerHTML = "Size";
document.getElementById("costKilogramLabel").innerHTML = "Filament cost per kilogram";
document.getElementById("costLabel").innerHTML = "Printing cost";
document.getElementById("diameterLabel").innerHTML = "Filament diameter";
document.getElementById("speedLabel").innerHTML = "Printing speed";
document.getElementById("lengthLabel").innerHTML = "Filament length";
document.getElementById("timeLabel").innerHTML = "Build time";
document.getElementById("hoursLabel").innerHTML = "hours";
document.getElementById("minutesLabel").innerHTML = "minutes";
}
function init(file)
{
container = document.getElementById("container");
container.innerHTML= "";
camera = new THREE.PerspectiveCamera(37.8,window.innerWidth/window.innerHeight,1,100000);
camera.position.z=300;
camera.position.y=-500;
camera.position.x=-500;
camera.up=new THREE.Vector3(0,0,1);
scene = new THREE.Scene();
scene.background = new THREE.Color(0x303030);
var filename = file.name;
var extension = filename.split(".").pop().toLowerCase();
var reader = new FileReader();
document.getElementById("container2").style.display="none";
if (extension=="stl")
{
// SHOWING THE LOADING SPLASH
document.getElementById("loading").style.display = "block";
// GIVES TIME TO THE UI TO SHOW THE LOADING SPLASH
setTimeout(function()
{
reader.readAsArrayBuffer(file);
}, 500);
}
else if (extension=="3ds")
{
// SHOWING THE LOADING SPLASH
document.getElementById("loading").style.display = "block";
// GIVES TIME TO THE UI TO SHOW THE LOADING SPLASH
setTimeout(function()
{
reader.readAsArrayBuffer(file);
}, 500);
}
else if (extension=="obj")
{
// SHOWING THE LOADING SPLASH
document.getElementById("loading").style.display = "block";
// GIVES TIME TO THE UI TO SHOW THE LOADING SPLASH
setTimeout(function()
{
reader.readAsText(file);
}, 500);
}
else
{
// HIDDING THE LOADING SPLASH
document.getElementById("loading").style.display = "none";
document.getElementById("container2").style.display="none";
alert(STRING_ERROR);
}
reader.addEventListener("load", function (event)
{
try
{
var contents = event.target.result;
if (extension=="obj")
{
var object = new THREE.OBJLoader().parse(contents);
var sceneConverter = new THREE.Scene();
sceneConverter.add(object);
var exporter = new THREE.STLExporter();
contents = exporter.parse(sceneConverter);
}
else if (extension=="3ds")
{
var object = new THREE.TDSLoader().parse(contents);
var sceneConverter = new THREE.Scene();
sceneConverter.add(object);
var exporter = new THREE.STLExporter();
contents = exporter.parse(sceneConverter);
}
var geometry = new THREE.STLLoader().parse(contents);
geometry.computeFaceNormals();
geometry.computeVertexNormals();
geometry.center();
var material = new THREE.MeshPhongMaterial({color:0xffffff});
mesh = new THREE.Mesh(geometry, material);
// CALCULATING THE VOLUME
vol = 0;
mesh.traverse(function (child)
{
if (child instanceof THREE.Mesh)
{
var positions = child.geometry.getAttribute("position").array;
for(var i=0;i<positions.length; i+=9)
{
var t1 = {};
t1.x = positions[i+0];
t1.y = positions[i+1];
t1.z = positions[i+2];
var t2 = {};
t2.x = positions[i+3];
t2.y = positions[i+4];
t2.z = positions[i+5];
var t3 = {};
t3.x = positions[i+6];
t3.y = positions[i+7];
t3.z = positions[i+8];
vol += signedVolumeOfTriangle(t1,t2,t3);
}
}
});
var box = new THREE.Box3().setFromObject(mesh);
height = box.max.z - box.min.z;
width = box.max.x - box.min.x;
depth = box.max.y - box.min.y;
heightFinal = height / 10;heightFinal = heightFinal.toFixed(2);
widthFinal = width / 10;widthFinal = widthFinal.toFixed(2);
depthFinal = depth / 10;depthFinal = depthFinal.toFixed(2);
var volumeFinal = vol / 1000;volumeFinal = volumeFinal.toFixed(2);
var weightFinal = volumeFinal * density;weightFinal = weightFinal.toFixed(2);
var filament_length = parseFloat(( vol / ( filament_diameter / 2 ) ^ 2 / Math.PI ) * 2 / 10).toFixed(2);
filament_length = parseFloat(filament_length).toFixed(0);
var hours = Math.floor((filament_length / printing_speed) / 60);
hours = parseFloat(hours).toFixed(0);
var minutes = (filament_length / printing_speed) % 60;
minutes = parseFloat(minutes).toFixed(0);
if (minutes==0){minutes=1;}
var finalCost = weightFinal * filament_cost / 1000;
finalCost = parseFloat(finalCost).toFixed(2);
document.getElementById("container2").style.display="block";
document.getElementById("densityValue").innerHTML = density;
document.getElementById("weightValue").innerHTML = weightFinal;
document.getElementById("volumeValue").innerHTML = volumeFinal;
document.getElementById("widthValue").innerHTML = widthFinal;
document.getElementById("depthValue").innerHTML = depthFinal;
document.getElementById("heightValue").innerHTML = heightFinal;
document.getElementById("costKilogramValue").innerHTML = filament_cost;
document.getElementById("costValue").innerHTML = finalCost;
document.getElementById("diameterValue").innerHTML = filament_diameter;
document.getElementById("speedValue").innerHTML = printing_speed;
document.getElementById("lengthValue").innerHTML = filament_length;
document.getElementById("hoursValue").innerHTML = hours;
document.getElementById("minutesValue").innerHTML = minutes;
var distance;
if (height>width && height>depth)
{
distance = height * 2;
}
else if (width>height && width>depth)
{
distance = width * 2;
}
else if (depth>height && depth>width)
{
distance = depth * 2;
}
else
{
distance = depth * 4;
}
camera.position.set(0, -distance, 0);
var x = distance + 200;
var y = distance + 200;
var division_x=Math.floor(x/10);
var division_y=Math.floor(y/10);
var wirePlane=new THREE.Mesh(new THREE.PlaneGeometry(x,y,division_x,division_y),new THREE.MeshPhongMaterial({emissive:0x707070,color:0x000000,wireframe:true,wireframeLinewidth:1}));
wirePlane.receiveShadow=true;
wirePlane.position.z = box.min.z - 0.1;
scene.add(wirePlane);
// AN ALTERNATIVE FOR MOVING THE OBJECT USING THE MOUSE WITHIN THE RENDERER
// controls = new THREE.OrbitControls(camera, renderer.domElement);
controls = new THREE.OrbitControls(camera);
controls.update();
scene.add(mesh);
// HIDDING THE LOADING SPLASH
document.getElementById("loading").style.display = "none";
}
catch(err)
{
// HIDDING THE LOADING SPLASH
document.getElementById("loading").style.display = "none";
document.getElementById("container2").style.display="none";
alert(STRING_ERROR);
}
}, false);
light = new THREE.HemisphereLight(0xE8E8E8,0x000000,1);
light.position.set(0,0,0);
scene.add(light);
renderer = new THREE.WebGLRenderer({antialias:false});
renderer.setSize(window.innerWidth,window.innerHeight);
container.appendChild(renderer.domElement);
requestAnimationFrame(animate);
window.addEventListener("resize", onWindowResize, false );
}
function animate()
{
requestAnimationFrame(animate);
light.position.copy(camera.getWorldPosition());
renderer.render(scene,camera);
}
function onWindowResize()
{
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function moreDensity(a)
{
var result;
if (a==true)
{
result = parseFloat(density) + parseFloat("0.05");
if (result<=10000)
{
density = result;
}
}
else
{
result = parseFloat(density) - parseFloat("0.05");
if (result>0)
{
density = result;
}
}
density = parseFloat(density).toFixed(2);
var heightFinal = height / 10;heightFinal = heightFinal.toFixed(2);
var widthFinal = width / 10;widthFinal = widthFinal.toFixed(2);
var depthFinal = depth / 10;depthFinal = depthFinal.toFixed(2);
var volumeFinal = vol / 1000;volumeFinal = volumeFinal.toFixed(2);
var weightFinal = volumeFinal * density;weightFinal = weightFinal.toFixed(2);
document.getElementById("densityValue").innerHTML = density;
document.getElementById("weightValue").innerHTML = weightFinal;
document.getElementById("volumeValue").innerHTML = volumeFinal;
document.getElementById("widthValue").innerHTML = widthFinal;
document.getElementById("depthValue").innerHTML = depthFinal;
document.getElementById("heightValue").innerHTML = heightFinal;
updateCost();
}
function moreCost(a)
{
var result;
if (a==true)
{
result = parseFloat(filament_cost) + parseFloat("5");
if (result<=10000)
{
filament_cost = result;
}
}
else
{
result = parseFloat(filament_cost) - parseFloat("5");
if (result>0)
{
filament_cost = result;
}
}
document.getElementById("costKilogramValue").innerHTML = filament_cost;
updateCost();
}
function updateCost()
{
var volumeFinal = vol / 1000;volumeFinal = volumeFinal.toFixed(2);
var weightFinal = volumeFinal * density;weightFinal = weightFinal.toFixed(2);
var finalCost = weightFinal * filament_cost / 1000;
finalCost = parseFloat(finalCost).toFixed(2);
document.getElementById("costValue").innerHTML = finalCost;
}
function moreDiameter(a)
{
var result;
if (a==true)
{
result = parseFloat(filament_diameter) + parseFloat("0.05");
if (result<=10000)
{
filament_diameter = result;
}
}
else
{
result = parseFloat(filament_diameter) - parseFloat("0.05");
if (result>0)
{
filament_diameter = result;
}
}
filament_diameter = parseFloat(filament_diameter).toFixed(2);
var filament_length = parseFloat(( vol / ( filament_diameter / 2 ) ^ 2 / Math.PI ) * 2 / 10).toFixed(2);
filament_length = parseFloat(filament_length).toFixed(0);
var hours = Math.floor((filament_length / printing_speed) / 60);
hours = parseFloat(hours).toFixed(0);
var minutes = (filament_length / printing_speed) % 60;
minutes = parseFloat(minutes).toFixed(0);
if (minutes==0){minutes=1;}
document.getElementById("diameterValue").innerHTML = filament_diameter;
document.getElementById("lengthValue").innerHTML = filament_length;
document.getElementById("hoursValue").innerHTML = hours;
document.getElementById("minutesValue").innerHTML = minutes;
}
function moreSpeed(a)
{
var result;
if (a==true)
{
result = parseFloat(printing_speed) + parseFloat("5");
if (result<=10000)
{
printing_speed = result;
}
}
else
{
result = parseFloat(printing_speed) - parseFloat("5");
if (result>0)
{
printing_speed = result;
}
}
printing_speed = parseFloat(printing_speed).toFixed(0);
var filament_length = parseFloat(( vol / ( filament_diameter / 2 ) ^ 2 / Math.PI ) * 2 / 10).toFixed(2);
var hours = Math.floor((filament_length / printing_speed) / 60);
hours = parseFloat(hours).toFixed(0);
var minutes = (filament_length / printing_speed) % 60;
minutes = parseFloat(minutes).toFixed(0);
document.getElementById("speedValue").innerHTML = printing_speed;
document.getElementById("hoursValue").innerHTML = hours;
document.getElementById("minutesValue").innerHTML = minutes;
}
function runViewer()
{
var fileInput = document.getElementById("modelOBJ");
if (fileInput.files[0]!=null)
{
init(fileInput.files[0]);
fileInput.value = null;
}
}
window.onload = function()
{
document.getElementById("modelOBJ").disabled = false;
document.getElementById("modelOBJ").value = null;
}
</script>
</body>
</html>