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VST2X3d-and-viewer-obj.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
<title>X3d viewer</title>
<script type='text/javascript' src='x3dom.js'></script>
<script src="KaitaiStream.js"></script>
<script src="img_gray16.js"></script>
<link rel='stylesheet' type='text/css' href='x3dom.css'></link>
<link rel='stylesheet' type='text/css' href='VST2X3D.css'></link>
<script type="text/javascript">
/*
* 010obj:
* Accepts lading of local img, lbl, vst; download if not available
* Addes button to save obj; added routines in .js file to convert to obj, BROKEN CONVERSION TO X3D!!!
* /
/*
* 009:
* Added list of links to raw textures, jpg textures, textures folders.
* Added double support for remote/local LBL and IMG associated to VST.
* Added local saving of retrieved files.
*/
/* 008:
* Implemented extraction of texture from .IMG loaded together with VST locally;
* known bug: kaitai struct does not support yet this file format:
* FORMAT='HALF' <<<<<<<<<<<
* TYPE='IMAGE'
* BUFSIZ=512
* DIM=3 <<<<<<<<<
* EOL=0
* RECSIZE=512
* ORG='BSQ'
* NL=256
* NS=256
* NB=1 <<<<<<<<<<<<
* N1=256
* N2=256
*/
// 007: Fixed flipped X axis
// Started implementation of full scene save:
// fixed wrong names of x3d tags
// implemented single shapes storage for future save; yet to incapsulate them into the alt/az transforms
// Note: broken "click to load", only drag/drop working
// Added local saving of full .x3d model
// 006: separate conversion function from convertBtn, to allow automatic call after loading.
// Fixed bug of models orientation, removed temporary debug sliders.
// Fixed bug of wrong sol in texture folder.
// Pre-selected turntable view
// 005: Embedded VST2X3D conversion.
// Fixed VST/X3D orientation depending on rover frame orientation.
// Temporarily added sliders to manual rotate shapes in x3d model (for debugging).
// To do:
// - separate conversion function from convertBtn, to allow automatic call after loading
// - add support for multiple local files processing
// - add local saving of downloaded files
// - add support for multiple product ids pasted in the textbox for downloading
// 004: Added model azimuth support; vertical axis inverted
// 003: Added multimodel support
// Note: probably vertical axis is reversed
const namespace = "http://www.web3d.org/specifications/x3d-namespace"; // o il namespace appropriato per il tuo caso
navigationInfo = null;
modelsCount = 0;
initialAzimuth = [];
initialElevation = [];
function cleanAttributes(element) {
// Lista degli attributi da resettare
const attributesToReset = [
"render", "visible", "bboxCenter", "bboxSize", "bboxDisplay",
"bboxMargin", "bboxColor", "center", "translation",
"scale", "scaleOrientation"
];
// Imposta ogni attributo della lista a ""
attributesToReset.forEach(attr => {
element.setAttribute(attr, "");
});
}
function addRotatedX3dToScene(inputX3D, azimuth, elevation) {
var content = inputX3D; // e.target.result;
var parser = new DOMParser();
x3dDoc = parser.parseFromString(content, "text/xml"); // DOM element (HTML document)
// Corregge i percorsi delle texture
var imageTextures = x3dDoc.querySelectorAll("ImageTexture, TextureProperties");
imageTextures.forEach(function(texture) {
var url = texture.getAttribute("url");
if (!url || url === "") {
texture.removeAttribute("url");
}
});
sourceScene = x3dDoc.querySelector("Scene") || x3dDoc.querySelector("scene");
console.log(sourceScene);
if (sourceScene) {
// Ottieni il riferimento alla scena esistente
targetScene = document.getElementById("modelScene");
// Mantieni il viewpoint esistente o creane uno nuovo se non esiste
viewpoint = targetScene.querySelector("Viewpoint");
if (!viewpoint) {
viewpoint = x3dDoc.createElementNS(namespace,"Viewpoint");
targetScene.insertBefore(viewpoint, targetScene.firstChild);
// Imposta posizione e zoom solo se è un nuovo viewpoint
viewpoint.setAttribute("position", "20 20 0");
viewpoint.setAttribute("orientation", "0 1 0 0");
viewpoint.setAttribute("fieldOfView", "1.7");
}
// Crea un nuovo Transform per il modello per impostare l'azimuth e successivamente l'elevazione (nidificata)
altAzTransform = document.createElementNS(namespace, "Transform")
altAzTransform.setAttribute("id","trfAzimuth");
altAzTransform.setAttribute("rotation", `0 1 0 ${azimuth}`);
// Crea un secondo Transform per l'elevazione
var elevationTransform = document.createElementNS(namespace,"Transform");
elevationTransform.setAttribute("id","trfElevation");
elevationTransform.setAttribute("rotation", `1 0 0 ${elevation}`);
altAzTransform.appendChild(elevationTransform);
rotatedShapes.push(altAzTransform);
// Aggiungi tutti gli elementi del nuovo modello al Transform
Array.from(sourceScene.children).forEach(function(child) {
// Salta NavigationInfo e Viewpoint quando aggiungi gli elementi
if (child.nodeName !== "NavigationInfo" && child.nodeName !== "Viewpoint") {
var importedNode = document.importNode(child, true);
elevationTransform.appendChild(importedNode);
}
});
// Aggiungi il nuovo Transform alla scena esistente
targetScene.appendChild(altAzTransform);
console.log("New model added to scene, now refreshing model...");
initialAzimuth[modelsCount] = azimuth;
initialElevation[modelsCount] = elevation;
modelsCount++;
targetScene.setAttribute("scale","-1 1 1"); // due to Z axis inversion
x3dom.reload(); // Ricarica x3dom per aggiornare la scena
//generateObjFromPatch( vstData.lods[1], vstData.vertices, vstData.textureFiles[0], product_name_no_ext, azimuth, elevation) // debug - sistemare LOD
} else {
console.error("Nessuna scena trovata nel file X3D");
}
}
function saveSceneToX3D(shapes, filename = "output.x3d") {
if ( filename === "") filename = "output.x3d"
if (filename.split(".").length < 2) filename += ".x3d";
const x3dHeader = `` +
`<?xml version="1.0" encoding="UTF-8"?>
<X3D profile="Immersive" version="3.3" xmlns:xsd="http://www.w3.org/2001/XMLSchema-instance">
<Scene>
`;
const x3dFooter = `` +
`
</Scene>
</X3D>`;
// Estrai il contenuto XML di ogni shape HTML
const shapesContent = Array.from(shapes)
.map(shape => shape.outerHTML)
.join("\n");
// Unisci header, contenuto delle shape e footer
const x3dContent = x3dHeader + shapesContent + x3dFooter;
// Parse la stringa X3D in un documento DOM
const parser = new DOMParser();
const xmlDoc = parser.parseFromString(x3dContent, "application/xml");
// Trova tutti gli elementi <Transform>
const transforms = xmlDoc.getElementsByTagName("Transform");
// Itera su ogni elemento e rimuove l'attributo "scale" (sennò non si vede in https://imagetostl.com/view-x3d-online#convert )
Array.from(transforms).forEach(transform => {
if (transform.hasAttribute("scale")) {
transform.removeAttribute("scale");
}
});
// Converte il DOM modificato di nuovo in stringa
const serializer = new XMLSerializer();
modifiedX3DContent = serializer.serializeToString(xmlDoc);
modifiedX3DContent = modifiedX3DContent.replace('<Transform id="trfElevation"','\n <Transform id="trfElevation"'); // add CR to improve readability
modifiedX3DContent = modifiedX3DContent.replace('<Shape id=','\n <Shape id='); // add CR to improve readability
modifiedX3DContent = modifiedX3DContent.replace('</Shape></Transform></Transform>',' </Shape>\n </Transform>\n </Transform>'); // add CR to improve readability
// Crea e scarica il file X3D
const blob = new Blob([modifiedX3DContent], { type: 'model/x3d+xml' });
// Crea un link per il download
const link = document.createElement("a");
link.href = URL.createObjectURL(blob);
link.download = filename;
link.style.display = "none";
// Aggiungi il link al documento e fai clic per scaricare
document.body.appendChild(link);
link.click();
// Rimuovi il link dal DOM
document.body.removeChild(link);
}
</script>
</head>
<body>
<div class="container">
<h1>VST to X3D Converter</h1>
<p>Upload a .vst file to convert it to X3D format.</p>
<div id="dropArea" class="upload-area">
<p>Drag and drop a .vst file here or click to select</p>
<input type="file" id="fileInput" accept=".vst" style="display: none">
</div>
Filename: <input type="text" id = "txtFilename" name="txtFilename" value = "" style="width:250px;"><br>
Texture file (.img): <input type="file" id = "inputTexture" name="inputTexture" value = "(please wait)" style="width:250px;">
<button id="saveButton" class="button" onclick="saveSceneToX3D(rotatedShapes, txtFilename.value);" >Save to X3D</button><br>
<button id="saveButtonObj" class="button" onclick="saveLodsToObj(document.getElementById('lodNum').value, txtFilename.value);" >Save to OBJ</button> - Level:
<input type="text" id = "lodNum" value="1"><br>
<div>
File:
<span id="currentFileName"></span>
<progress id="fileProgressBar" value="0" max="100" style="width: 80%;"></progress>
</div>
<div>
Files: <progress id="progressBar" value="0" max="100" style="width: 80%;"></progress>
</div>
Files list:<br>
<span id="spnLoaded"></span><br>
<div id="status" style="display: none;"></div>
</div>
<hr>
<table>
<tr>
<td>
<x3d width='800px' height='600px'>
<scene>
<!-- Definisce il punto di vista fisso con rotazione centrata all'origine -->
<Viewpoint
position="0 0 10"
centerOfRotation="0 0 0"
orientation="0 1 0 0"
fieldOfView="0.785"
bind="true">
</Viewpoint>
<Navigationinfo
headlight="false"
type="turntable"
typeparams="0.0 0.0 0.5 1.6"
explorationmode="all"
avatarsize="0.25,1.6,0.75"
walkdamping="2"
speed="-1"
transitiontime="1"
transitiontype="LINEAR ">
</Navigationinfo>
<!-- Assi persistenti -->
<Transform translation="0 0 0">
<!-- Asse X (Rosso) -->
<Shape>
<Appearance><Material diffuseColor="1 0 0" /></Appearance>
<LineSet vertexCount="2">
<Coordinate point="0 0 0 5 0 0" />
</LineSet>
</Shape>
<!-- Asse Y (Verde) -->
<Shape>
<Appearance><Material diffuseColor="0 1 0" /></Appearance>
<LineSet vertexCount="2">
<Coordinate point="0 0 0 0 5 0" />
</LineSet>
</Shape>
<!-- Asse Z (Blu) -->
<Shape>
<Appearance><Material diffuseColor="0 0 1" /></Appearance>
<LineSet vertexCount="2">
<Coordinate point="0 0 0 0 0 5" />
</LineSet>
</Shape>
</Transform>
<!-- Area per il modello caricato -->
<Transform id="modelScene">
<!-- Modello di default per quando nessun file � caricato -->
<Shape>
<Appearance>
<Material diffuseColor='1 0 0'></Material>
</Appearance>
</Shape>
</Transform>
</scene>
</x3d>
</td>
<td valign="top">
</td>
</tr>
</table>
Double click to set rotation center.<br>
<ul>
<li>View modes
<ul>
<li>N = Turntable (recommended)
<li>E = Examine
<li>W = Walk
<li>G = Immediate pan mode
<li>F = flight mode
<li>I = "Look at" mode
</ul>
<li>A = Full model view
<li>R = Reset view
<li>U = Reset flight mode
</ul>
<a href="https://www.x3dom.org/documentation/interaction/">Official X3DOM help</a><br>
Processed files:<br>
<span id="spnProcessed"></span<br>
<script type="text/javascript" src="VST2X3D-AI-obj.js"></script>
<script>
// Handler per il click sull'area di drop
dropArea.addEventListener('click', () => {
fileInput.click();
});
// Handler per il cambio del file input
fileInput.addEventListener('change', (e) => {
handleFile(e.target.files[0]);
});
// Handlers per il drag and drop
dropArea.addEventListener('dragover', (e) => {
e.preventDefault();
dropArea.classList.add('dragover');
});
dropArea.addEventListener('dragleave', () => {
dropArea.classList.remove('dragover');
});
dropArea.addEventListener('drop', (e) => {
e.preventDefault();
dropArea.classList.remove('dragover');
const files = Array.from(e.dataTransfer.files);
handleFiles(files, document.getElementById("txtFilename")); // <<<<<<<<<<<<<<<<<<<--------------- Conversion
});
async function getTextureFromIMG(fc) {
const rawFileContents = fc;
const fileContentsUInt8 = new Uint8Array(rawFileContents);
const st = new KaitaiStream(fileContentsUInt8);
const imgDataFromFile = new ImgGray16(st);
const BASE64data = processImage(imgDataFromFile);
return BASE64data;
}
function processImage(imgDataFromFile) {
return new Promise((resolve) => {
const width = imgDataFromFile.lines[0].samples.length;
const height = imgDataFromFile.lines.length;
canvas = document.createElement('canvas');
canvas.width = width;
canvas.height = height;
const ctx = canvas.getContext('2d');
const imageDataCanvas = ctx.createImageData(width, height);
const data = imageDataCanvas.data;
for (let y = 0; y < height; y++) {
for (let x = 0; x < width; x++) {
const rgb = imgDataFromFile.lines[y].samples[x] / 10;
const idx = (y * width + x) * 4;
data[idx] = rgb; // R
data[idx + 1] = rgb; // G
data[idx + 2] = rgb; // B
data[idx + 3] = 255; // A
}
}
ctx.putImageData(imageDataCanvas, 0, 0);
let finalResult = canvas.toDataURL('image/png');
resolve(finalResult);
});
}
</script>
<script>
</script>
</body>
</html>