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Copy pathVST2X3D-AI-obj.js
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VST2X3D-AI-obj.js
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/* 0.10.0
* added routines to convert to obj, BROKEN CONVERSION TO X3D!!!
* *
/* 0.7.0
* Added list of links to raw textures, jpg textures, textures folders
*/
/* 0.6.0 update:
* 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
*/
BASE_IMG_URL = "";
//BASE_IMG_URL_NAVCAM = "https://planetarydata.jpl.nasa.gov/w10n/mer2-m-navcam-5-disparity-ops-v1.0/mer2no_0xxx/";
BASE_IMG_URL_NAVCAM = "https://planetarydata.jpl.nasa.gov/img/data/mer/spirit/mer2no_0xxx/";
BASE_IMG_URL_PANCAM = "https://planetarydata.jpl.nasa.gov/img/data/mer/spirit/mer2po_0xxx/";
BASE_IMG_URL_HAZCAM = "https://planetarydata.jpl.nasa.gov/img/data/mer/spirit/mer2ho_0xxx/";
IMG_RAW_FOLDER = "data/";
IMG_JPG_FOLDER = "browse/";
SOL_FOLDER = "sol#SOLNUMBER#/rdr/"; // sol must be determined from VST // DEBUG!! (Sol number is in .lbl of .vst file)
BASE_VST_URL = "https://planetarydata.jpl.nasa.gov/img/data/mer/spirit/mer2mw_0xxx/";
VST_CAMERA_FOLDER = "data/navcam/"; // (navcam --> mer2no_0xxx for images) // DEBUG: add other cameras!
VST_FOLDER_SITE_NAME = "site0137/"; // DEBUG! Site number is in filename (137=B1)
product_name_no_ext = "2n292378085vilb128f0006l0m1"; // 2n292377885vilb126f0006l0m1 = small vst for testing, sol 1870 // DEBUG
// 2n292377885vilb126f0006l0m1
// 2n292378085vilb128f0006l0m1
base_VST_filename = BASE_VST_URL + VST_CAMERA_FOLDER + VST_FOLDER_SITE_NAME + product_name_no_ext;
let angles = 0;
let solNumber = 0;
let x3d = null;
wireframeEnabled = false;
let rawIMGfileContents = null;
let extractedVicarData = "";
let filesObj = [];
let filesMtl = [];
let filesTexture = [];
const OPPORTUNITY = "1"; // First letter of filename
const SPIRIT = "2";
const roverName = ["","opportunity", "spirit"];
proxyURL = "https://win98.altervista.org/space/exploration/myp.php?pass=miapass&mode=native&url=";
x3dShapes = [];
rotatedShapes = [];
const graphicalProducts = [
"RAD",
"RAL",
"RSL",
"EFF",
"ESF",
"EDN",
"ILF",
"ILL",
"FFL",
"MRD",
"MRL",
"RFD",
"RFL",
"IOF",
"IOL",
"IFF",
"IFL",
"IFS",
"CCD",
"CCL",
"CFD",
"CFL",
"ITH",
"THN"
];
let lods = [];
// Strutture dati VST
class VSTHeader {
constructor(dataView, offset = 0) {
this.label = dataView.getInt32(offset, true);
this.byteOrder = dataView.getInt32(offset + 4, true);
this.versionMajor = dataView.getInt32(offset + 8, true);
this.versionMinor = dataView.getInt32(offset + 12, true);
this.implementation = dataView.getInt32(offset + 16, true);
this.res1 = dataView.getInt32(offset + 20, true);
this.res2 = dataView.getInt32(offset + 24, true);
this.textureNum = dataView.getInt32(offset + 28, true);
this.vertexNum = dataView.getInt32(offset + 32, true);
this.lodNum = dataView.getInt32(offset + 36, true);
// Gestione byte order
if (this.byteOrder === 0x00010203) {
this.reverseValues();
}
}
reverseValues() {
this.versionMajor = this.reverseInt32(this.versionMajor);
this.versionMinor = this.reverseInt32(this.versionMinor);
this.textureNum = this.reverseInt32(this.textureNum);
this.vertexNum = this.reverseInt32(this.vertexNum);
this.lodNum = this.reverseInt32(this.lodNum);
}
reverseInt32(value) {
return ((value & 0xFF) << 24) |
((value & 0xFF00) << 8) |
((value & 0xFF0000) >>> 8) |
((value & 0xFF000000) >>> 24);
}
}
class BoundingBox {
constructor(dataView, offset = 0, needsReverse = false) {
this.xMin = dataView.getFloat32(offset, true);
this.yMin = dataView.getFloat32(offset + 4, true);
this.zMin = dataView.getFloat32(offset + 8, true);
this.xMax = dataView.getFloat32(offset + 12, true);
this.yMax = dataView.getFloat32(offset + 16, true);
this.zMax = dataView.getFloat32(offset + 20, true);
if (needsReverse) {
this.reverseValues();
}
}
reverseValues() {
[this.xMin, this.yMin, this.zMin, this.xMax, this.yMax, this.zMax] =
[this.xMin, this.yMin, this.zMin, this.xMax, this.yMax, this.zMax].map(this.reverseFloat32);
}
reverseFloat32(value) {
const buffer = new ArrayBuffer(4);
const view = new DataView(buffer);
view.setFloat32(0, value, true);
return view.getFloat32(0, false);
}
}
class Vertex {
constructor(dataView, offset = 0, needsReverse = false) {
this.tx = dataView.getFloat32(offset, true);
this.ty = dataView.getFloat32(offset + 4, true);
this.x = dataView.getFloat32(offset + 8, true);
this.y = dataView.getFloat32(offset + 12, true);
this.z = dataView.getFloat32(offset + 16, true);
if (needsReverse) {
this.reverseValues();
}
}
reverseValues() {
[this.tx, this.ty, this.x, this.y, this.z] =
[this.tx, this.ty, this.x, this.y, this.z].map(this.reverseFloat32);
}
reverseFloat32(value) {
const buffer = new ArrayBuffer(4);
const view = new DataView(buffer);
view.setFloat32(0, value, true);
return view.getFloat32(0, false);
}
}
class LODHeader {
constructor(dataView, offset = 0, needsReverse = false) {
this.size = dataView.getInt32(offset, true);
this.res1 = dataView.getInt32(offset + 4, true);
this.res2 = dataView.getInt32(offset + 8, true);
this.vertexNum = dataView.getInt32(offset + 12, true);
this.distThreshold = dataView.getFloat32(offset + 16, true);
this.patchNum = dataView.getInt32(offset + 20, true);
this.vertMax = dataView.getInt32(offset + 24, true);
if (needsReverse) {
this.reverseValues();
}
}
reverseValues() {
this.patchNum = this.reverseInt32(this.patchNum);
this.vertexNum = this.reverseInt32(this.vertexNum);
this.vertMax = this.reverseInt32(this.vertMax);
this.distThreshold = this.reverseFloat32(this.distThreshold);
}
reverseInt32(value) {
return ((value & 0xFF) << 24) |
((value & 0xFF00) << 8) |
((value & 0xFF0000) >>> 8) |
((value & 0xFF000000) >>> 24);
}
reverseFloat32(value) {
const buffer = new ArrayBuffer(4);
const view = new DataView(buffer);
view.setFloat32(0, value, true);
return view.getFloat32(0, false);
}
}
class PatchHeader {
constructor(dataView, offset = 0, needsReverse = false) {
this.res1 = dataView.getInt32(offset, true);
this.res2 = dataView.getInt32(offset + 4, true);
this.pointCloud = dataView.getInt32(offset + 8, true);
this.texture = dataView.getInt32(offset + 12, true);
this.arrayNum = dataView.getInt32(offset + 16, true);
this.totalVertexNum = dataView.getInt32(offset + 20, true);
if (needsReverse) {
this.reverseValues();
}
}
reverseValues() {
this.pointCloud = this.reverseInt32(this.pointCloud);
this.arrayNum = this.reverseInt32(this.arrayNum);
this.texture = this.reverseInt32(this.texture);
this.totalVertexNum = this.reverseInt32(this.totalVertexNum);
}
reverseInt32(value) {
return ((value & 0xFF) << 24) |
((value & 0xFF00) << 8) |
((value & 0xFF0000) >>> 8) |
((value & 0xFF000000) >>> 24);
}
}
class VSTParser {
constructor(arrayBuffer) {
this.dataView = new DataView(arrayBuffer);
this.offset = 0;
this.textureFiles = [];
this.vertices = [];
}
async parse(imgFiles, lblFiles) { //////// <<<<<<<<<<<<<<<<<<<<<------------------------ VST PARSER
console.log("VST parsing - IMG:", imgFiles, ", LBL:",lblFiles);
const fileProgressBar = document.getElementById('fileProgressBar');
fileProgressBar.value = 0; // Resetta la barra di progresso
const totalSteps = 8; // Numero totale di passi significativi (puoi aggiungerne altri)
let currentStep = 0;
const advanceProgress = async (stepMessage) => {
currentStep++;
fileProgressBar.value = Math.round((currentStep / totalSteps) * 100);
await new Promise(resolve => setTimeout(resolve, 0)); // Permetti aggiornamenti in tempo reale
};
try {
// Parse header
const header = new VSTHeader(this.dataView, this.offset);
this.offset += 40; // Size of VSTHeader
// Validate VST format
if (header.label !== 0x00545356) throw new Error('Invalid VST file format');
if (header.implementation !== 0x0052454D) throw new Error('Implementation MER expected');
await advanceProgress("HEADER2 - Header parsed");
const needsReverse = header.byteOrder === 0x00010203;
////////////////// Parse bounding box
const bbox = new BoundingBox(this.dataView, this.offset, needsReverse);
this.offset += 24; // Size of BoundingBox
////////////// Parse texture references
for (let i = 0; i < header.textureNum; i++) {
let imgFileFound = false;
let imgContents = "";
let labelContents = "";
let textureBASE64 = "error";
angles = null;
let VSTlabel = "";
const textureBytes = new Uint8Array(this.dataView.buffer, this.offset, 2048);
const textureRef = String.fromCharCode.apply(null, textureBytes);
console.log("PARSE REF=",textureRef.split("\x00")[1] + "/" + textureRef.split("\x00")[2]);
let textureName = textureRef.substring(10, 37) + '.img.jpg';
textureName = textureName.substring(0, 23) + "l" + textureName.substring(24); // Force left camera for texture
textureName = textureName.substring(0, 26) + "1" + textureName.substring(27); // Force version 1 for IMG product
console.log("PARSE textureName=",textureName);
const secondChar = textureName.charAt(1).toLowerCase();
if (secondChar === 'n') {
BASE_IMG_URL = BASE_IMG_URL_NAVCAM
} else if (secondChar === 'p') {
BASE_IMG_URL = BASE_IMG_URL_PANCAM
} else if ((secondChar === 'r') || (secondChar === 'f') ) {
BASE_IMG_URL = BASE_IMG_URL_HAZCAM
} else {
throw new Error("Carattere non riconosciuto '" + secondChar + "' per determinare la cartella della fotocamera."); // Gestione errore
}
let textureUrlLeft = textureName.substring(0, 11);
let textureUrlRight = textureName.substring(14);
let currentVSTProductID = (textureName.substring(0, 11) + "vil" + textureName.substring(14, 27)).toLowerCase(); // 2n294774058vilb1cup0783l0m1
let currentRAWIMGProductID = textureRef.substring(10, 37);
let siteNumberCoded = textureName.substr(14, 2);
let siteNumberString = "site0" + siteCodeToString(siteNumberCoded);
if (lblFiles.length === 0) {
// Local file not available, download; .LBL file is located in .VST folder, which depends on site number, which is coded into .VST filename:
VSTlabel = await downloadLBL(currentVSTProductID + ".lbl", siteNumberString);
saveRawContents(VSTlabel, currentVSTProductID + ".lbl");
} else {
console.log("Retrieving sol from local .LBL file associated to local .VST file...");
for (const file of lblFiles) {
const fileName = file.name.toUpperCase();
let suggestedFilename = currentVSTProductID.toUpperCase() + ".LBL";
console.log(" Testing file: " , fileName);
console.log(" Required : " , suggestedFilename);
if (fileName.substring(0,23) === suggestedFilename.substring(0,23)) { // disregard version and left/rigth match
console.log(" File match, getting sol...");
VSTlabel = await loadLocalLabel(file);
//console.log(" retrived sol:", solNumber);
break; // Exit loop once file is found
} else {
console.log(" No match, skipping.");
}
}
} // End processing local .IMG label
solNumber = extractSol(VSTlabel);
console.log("SOLNUMBER=",solNumber);
let base_texture_folder = BASE_IMG_URL + IMG_JPG_FOLDER + SOL_FOLDER;
let base_texture_folderNew = base_texture_folder.replace("#SOLNUMBER#",solNumber);
let base_raw_texture_folder = base_texture_folder.replace("#SOLNUMBER#",solNumber).replace("browse","data");
console.log("PARSE - Folder for texture:",base_texture_folderNew);
spnProcessed.innerHTML += `Texture: ` +
` <a href="` + base_raw_texture_folder + currentRAWIMGProductID.toLowerCase() + `.img">raw</a>`+
`, <a href="` + base_texture_folderNew + currentRAWIMGProductID.toLowerCase() + `.img.jpg">jpg</a>`+
`, <a href="` + base_texture_folderNew + `">folder</a><br>`;
console.log("currentRAWIMGProductID=",currentRAWIMGProductID);
console.log("Number of local files available:", imgFiles.length);
let currentRAWIMGfileName = currentRAWIMGProductID + ".IMG";
for (let productIndex = 0; ((productIndex < graphicalProducts.length) && (textureBASE64 === "error") && (imgFileFound === false)); productIndex++) {
let textureVariant = graphicalProducts[productIndex];
console.log("productIndex=",productIndex, ", product variant: ", textureVariant);
let textureUrl = base_texture_folderNew + textureUrlLeft + textureVariant + textureUrlRight;
//textureUrl = textureUrl;
let suggestedFilename = (textureUrlLeft + textureVariant + textureUrlRight).toUpperCase().replace(".JPG","");
if ( labelContents === "") {
console.log("label not loaded yet, looking locally, then online...")
if (imgFiles.length === 0) { // no local IMG file available, download:
console.log("no local IMG file '" + suggestedFilename + " 'available for Alt/Az, download...")
let rawContents = await downloadIMG(currentRAWIMGProductID, solNumber);
console.log("rawContents=",rawContents);
labelContents = new TextDecoder().decode(rawContents);
console.log("labelContents=",labelContents.length);
textureBASE64 = await getTextureFromIMG(rawContents);
console.log(" Length of RETRIEVED texture:",textureBASE64.length)
saveRawContents(rawContents, currentRAWIMGfileName);
} else {
console.log(" DEBUG: labelContents to be taken from local file ", suggestedFilename)
// labelContents to be taken from local file /// dEBUG
console.log(" Searching for possible textures...");
for (const file of imgFiles) {
const fileName = file.name.toUpperCase();
console.log(" Current file: " , fileName , " vs IMG filename taken from VST:" , currentRAWIMGfileName);
if (fileName.toLowerCase().substring(0,23) === currentRAWIMGfileName.toLowerCase().substring(0,23)) { // disregard version and left/rigth match
console.log(" File match, getting texture...");
const imgData = await getDataFromLocalIMG(file);
textureBASE64 = imgData.textureBASE64;
solNumber = imgData.solNumber;
labelContents = imgData.fileContentsString;
console.log(" Length of LOCAL texture:", textureBASE64.length);
imgFileFound = true;
break; // Exit loop once file is found
} else {
console.log(" No match, skipping.");
}
}
}
console.log("IMG loaded, reading angles...");
angles = extractVicarData2(labelContents);
console.log(" angles for " + suggestedFilename + " = ", angles);
}
console.log("Texture length:", textureBASE64.length);
} // for sui graphicalProducts
///////////////// end texture retrieval /////////
if (textureBASE64 !== "error") {
//
} else {
console.log(" **** ERROR, no texture");
}
this.textureFiles.push(textureBASE64 || null);
this.offset += 2048;
} // for (textures ref)
await advanceProgress("HEADER2 - Textures loaded");
//////////// COORDINATES ////////
// in the VST file the coordinate system binary data is 12 64 bit floats (total 96 bytes used)
// which are simply the C, A, H, V vectors of the camera model in the order
// Cx, Cy, Cz, Ax, Ay, Az, Hx, Hy, Hz, Vx, Vy, Vz.
/*
- C is a 3D vector that gives the location of the Center of projection of the left navcam camera as
it was positioned by the pan/tilt mast relative to rover frame when that image was acquired.
- A is a 3D vector that gives the Axis of that camera which is the direction in which it was pointed.
- The other two are the Horizontal and Vertical 3D vectors in the plane of the image sensor.
There is some nuance because the CAHV camera model doesn’t actually require A, H, and V to be orthonormal.
However, you can construct an orhonormal basis from them, see this code to do that:
https://github.com/NASA-AMMOS/VICAR/blob/8264ad382401a93224cbecb810796a0c0262d36b/vos/p2/sub/cahvor/cmod_cahv.c#L795
*/
/*
CAHV Camera Model
The CAHV camera model is equivalent to the standard
linear photogrammetric model for a pinhole camera. It
is useful for very small field of view cameras and as a
building block for more complex camera models. The
CAHV model consists of four 3-vectors: C, A, H, and
V. Vector C gives the location of the pinhole. Vector
A gives the camera axis, defined as the normal to the
image plane. Vector H encodes the horizontal axis of
the image plane (H’), the coordinate (Hc) of the image
column at the optical centre of the image plane, and the
horizontal focal length (Hs) of the camera, in pixels.
Vector V encodes corresponding information (V’, Vc,
Vs) in the vertical direction. The angle (theta) between
horizontal and vertical vectors H’ and V’ is about 90°.
Non-orthogonal H’ and V’ generally represent an
attempt to compensate for distortion that CAHV
vectors cannot directly model. Image dimensions are
supplied along with the CAHV model.
"CAMERA RESPONSE SIMULATION FOR PLANETARY EXPLORATION"
https://robotics.jpl.nasa.gov/media/documents/rmadison3.pdf
*/
const coords = (() => {
const float64Array = [];
const float64View = new Float64Array(1);
const uint8View = new Uint8Array(float64View.buffer);
for (let i = 0; i < 96; i += 8) { // 8 byte per ogni float64
// Copia 8 byte alla volta nel buffer temporaneo
for (let j = 0; j < 8; j++) {
uint8View[j] = this.dataView.getUint8(this.offset + i + j);
}
// Aggiungi il float64 risultante all'array
float64Array.push(float64View[0]);
}
const Cx = float64Array[0];
const Cy = float64Array[1];
const Cz = float64Array[2];
const Ax = float64Array[3];
const Ay = float64Array[4];
const Az = float64Array[5];
const Hx = float64Array[6];
const Hy = float64Array[7];
const Hz = float64Array[8];
const Vx = float64Array[9];
const Vy = float64Array[10];
const Vz = float64Array[11];
const up = [0, 1, 0];
// Calcola il vettore direzione
const Dx = Ax - Cx;
const Dy = Ay - Cy;
const Dz = Az - Cz;
// Calcola la lunghezza del vettore
const magnitude = Math.sqrt(Dx * Dx + Dy * Dy + Dz * Dz);
// Normalizza il vettore direzione
const normDx = Dx / magnitude;
const normDy = Dy / magnitude;
const normDz = Dz / magnitude;
// Calcola gli angoli Yaw e Pitch
const yaw = Math.atan2(normDz, normDx); // Psi
const pitch = Math.asin(-normDy); // Theta
// Vettore Up di riferimento
const Ux = up[0], Uy = up[1], Uz = up[2];
// Calcola il vettore Right tramite il prodotto vettoriale D x U
const Rx = normDy * Uz - normDz * Uy;
const Ry = normDz * Ux - normDx * Uz;
const Rz = normDx * Uy - normDy * Ux;
// Normalizza il vettore Right
const magnitudeR = Math.sqrt(Rx * Rx + Ry * Ry + Rz * Rz);
const normRx = Rx / magnitudeR;
const normRy = Ry / magnitudeR;
const normRz = Rz / magnitudeR;
// Calcola il Roll
const roll = Math.atan2(normRy * Uz - normRz * Uy, normDx * Ux + normDy * Uy + normDz * Uz); // Phi
return {
Cx, Cy, Cz,
Ax, Ay, Az,
Hx, Hy, Hz,
Vx, Vy, Vz,
yawRad: yaw,
pitchRad: pitch,
rollRad: roll,
yawDeg: yaw * 180 / Math.PI,
pitchDeg: pitch * 180 / Math.PI,
rollDeg: roll * 180 / Math.PI,
description: "C = camera location, A = camera pointing vector w.r.t. C frame"
}
})();
this.offset += 4096;
await advanceProgress("HEADER2 - Textures references loaded");
/////////// Read vertices
for (let i = 0; i < header.vertexNum; i++) {
const vertex = new Vertex(this.dataView, this.offset, needsReverse);
this.vertices.push(vertex);
this.offset += 20;
}
await advanceProgress("HEADER2 - Vertex loaded");
//////////// Process LODs
// let lods = [];
for (let i = 0; i < header.lodNum; i++) {
const lod = this.parseLOD(needsReverse);
lods.push(lod);
await advanceProgress("HEADER2 - LOD processed");
}
fileProgressBar.value = 100; // Parsing completato
return {
header,
bbox,
textureFiles: this.textureFiles,
vertices: this.vertices,
lods,
coordinateSystem : coords
};
} catch (error) { // parse header
console.error("Errore durante il parsing:", error);
fileProgressBar.value = 0; // Reset in caso di errore
throw error;
}
} // parse VST header
parseLOD(needsReverse) {
const lodHeader = new LODHeader(this.dataView, this.offset, needsReverse);
this.offset += 28; // Size of LODHeader
// Skip texture bounding boxes
this.offset += 24 * this.textureFiles.length;
const patches = [];
for (let i = 0; i < lodHeader.patchNum; i++) {
const patch = this.parsePatch(needsReverse);
patches.push(patch);
}
return {
header: lodHeader,
patches
};
}
parsePatch(needsReverse) {
const patchHeader = new PatchHeader(this.dataView, this.offset, needsReverse);
this.offset += 24; // Size of PatchHeader
const arrays = [];
let pos1 = this.offset;
let pos2 = pos1 + patchHeader.arrayNum * 4;
for (let i = 0; i < patchHeader.arrayNum; i++) {
// Save current position
const currentPos = this.offset;
// Read array length
this.offset = pos1;
let arrayLen = this.dataView.getInt32(this.offset, true);
if (needsReverse) {
arrayLen = ((arrayLen & 0xFF) << 24) |
((arrayLen & 0xFF00) << 8) |
((arrayLen & 0xFF0000) >>> 8) |
((arrayLen & 0xFF000000) >>> 24);
}
pos1 += 4;
// Read vertex indices
this.offset = pos2;
const indices = [];
for (let j = 0; j < arrayLen; j++) {
let index = this.dataView.getInt32(this.offset, true);
if (needsReverse) {
index = ((index & 0xFF) << 24) |
((index & 0xFF00) << 8) |
((index & 0xFF0000) >>> 8) |
((index & 0xFF000000) >>> 24);
}
indices.push(index);
this.offset += 4;
}
pos2 = this.offset;
arrays.push(indices);
}
return {
header: patchHeader,
arrays
};
}
readString(length) {
const bytes = new Uint8Array(this.dataView.buffer, this.offset, length);
let str = '';
for (let i = 0; i < length && bytes[i] !== 0; i++) {
str += String.fromCharCode(bytes[i]);
}
this.offset += length;
return str;
}
} /// class VST parser
function generateOBJ_AI(vstData, startLod, endLod) { // vecchia routine
const vertices = vstData.vertices;
const lods = vstData.lods;
let obj = "";
// Write vertex data
for (let vertex of vertices) {
obj += `v ${vertex.x} ${-vertex.z} ${vertex.y}\n`;
}
// Write texture coordinate data
for (let vertex of vertices) {
obj += `vt ${vertex.tx} ${1 - vertex.ty}\n`;
}
obj += "# Faces\n";
// Write face data for each LOD from startLod to endLod
for (let lodIndex = startLod; lodIndex <= endLod; lodIndex++) {
//lodIndex=1; // debug
const lod = lods[lodIndex]; // debug
for (let patch of lod.patches) {
if (patch.header.pointCloud === 0) { // trianglestrip
const textureFile = vstData.textureFiles?.[patch.header.texture];
if (textureFile) {
obj += `# Material: ${textureFile}\n`;
obj += `usemtl mtl_${patch.header.texture}\n`;
obj += `mtllib ${textureFile.replace('.png', '.mtl')}\n`;
}
obj += `g shape_lod${lodIndex}\n`; // Aggiungo il numero del LOD al nome del gruppo
for (let array of patch.arrays) {
obj += "f ";
for (let index of array) {
obj += `${index+1}/${index+1} `;
}
obj += "\n";
}
} else {
// pointcloud not implemented
}
}
}
return obj;
}
function generateX3D(vstData, startLod, endLod) {
const bbox = vstData.bbox;
const vertices = vstData.vertices;
const lods = vstData.lods;
// Helper to format coordinates for X3D
const formatPoint = (vertex) => `${vertex.x} ${-vertex.z} ${vertex.y}`;
const formatTexCoord = (vertex) => `${vertex.tx} ${1 - vertex.ty}`;
x3d = `<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "http://www.web3d.org/specifications/x3d-3.0.dtd">
<X3D profile="CADInterchange">
<head>
<meta name="generator" content="vst2x3d"/>
</head>
<Scene>
<NavigationInfo type='"WALK" "ANY"'/>
<Viewpoint description="Start" position="0.0 0.0 0.0" orientation="1 0 0 3.14"/>`;
// Calculate bounding box center and size
const bboxCenter = {
x: (bbox.xMax + bbox.xMin) / 2,
y: -(bbox.zMax + bbox.zMin) / 2,
z: (bbox.yMax + bbox.yMin) / 2
};
const bboxSize = {
x: (bbox.xMax - bbox.xMin) / 2,
y: (bbox.zMax - bbox.zMin) / 2,
z: (bbox.yMax - bbox.yMin) / 2
};
lods.forEach((lod, lodIndex) => {
currentShape = "";
wireframe = "";
if (( startLod <= lodIndex) && (lodIndex <= endLod)) {
//console.log("Inserting LOD n. ", lodIndex, ", V=", lod.header.vertexNum, ", T=", lod.patches[0].header.arrayNum);
x3d += `\n <Shape id = "PROD_${product_name_no_ext}_LOD_${lodIndex}" bboxCenter="${bboxCenter.x} ${bboxCenter.y} ${bboxCenter.z}" bboxSize="${bboxSize.x} ${bboxSize.y} ${bboxSize.z}">`;
currentShape += `\n <Shape id = "PROD_${product_name_no_ext}_LOD_${lodIndex}" bboxCenter="${bboxCenter.x} ${bboxCenter.y} ${bboxCenter.z}" bboxSize="${bboxSize.x} ${bboxSize.y} ${bboxSize.z}">`;
lod.patches.forEach(patch => {
if (patch.header.pointCloud === 1) {
// Handle point cloud
x3d += '\n <PointSet>\n <Coordinate point="';
currentShape += '\n <PointSet>\n <Coordinate point="';
const points = [];
patch.arrays.forEach(array => {
array.forEach(vertexIndex => {
points.push(formatPoint(vertices[vertexIndex]));
});
});
x3d += points.join(', ');
currentShape += points.join(', ');
x3d += '"/>\n </PointSet>';
currentShape += '"/>\n </PointSet>';
} else {
// Handle trianglestrip
textureOk = false;
if (vstData.textureFiles && vstData.textureFiles[patch.header.texture]) {
finalUrl = vstData.textureFiles[patch.header.texture];
textureOk = true;
} else {
textureOk = false; // redundant, just to add the closing "else"
console.log("Creating x3d file without the missing texture.");
}
// Handle textured triangles
x3d += `\n <Appearance>
<Material backAmbientIntensity='1.0'
backDiffuseColor='1 1 1'
diffuseColor='1 1 1'
transparency='0'/>`;
currentShape += `\n <Appearance>
<Material backAmbientIntensity='1.0'
backDiffuseColor='1 1 1'
diffuseColor='1 1 1'
transparency='0'/>`;
wireframe += `\n <Appearance>
<Material emissiveColor = "1 1 0"/>`;
if (textureOk) {
x3d += `\n <ImageTexture url="` + finalUrl+ `"\n />
<TextureProperties boundaryModeS='REPEAT'
boundaryModeT='REPEAT'
magnificationFilter='NICEST'
minificationFilter='NICEST'\n />`;
currentShape += `\n <ImageTexture url="` + finalUrl+ `"\n />
<TextureProperties boundaryModeS='REPEAT'
boundaryModeT='REPEAT'
magnificationFilter='NICEST'
minificationFilter='NICEST'\n />`;
}
x3d += `\n </Appearance>
<IndexedTriangleStripSet solid='false'
ccw='true'
index="`;
currentShape += `\n </Appearance>
<IndexedTriangleStripSet solid='false'
ccw='true'
index="`;
wireframe += `\n </Appearance>
<IndexedLineSet solid='false'
ccw='true'
index="`;
// Add indices with strip separators
const indices = [];
patch.arrays.forEach((array, arrayIndex) => {
if (arrayIndex > 0) indices.push(-1);
indices.push(...array);
});
x3d += indices.join(' ');
currentShape += indices.join(' ');
wireframe += indices.join(' ');
// Add coordinates
x3d += `">\n <Coordinate point="`;
currentShape += `">\n <Coordinate point="`;
wireframe += `">\n <Coordinate point="`;
const points = [];
for (let i = 0; i <= lod.header.vertMax; i++) {
points.push(formatPoint(vertices[i]));
}
x3d += points.join(', ');
currentShape += points.join(', ');
wireframe += points.join(', ');
x3d += '"\n />';
currentShape += '"\n />';
wireframe += '"\n />';
if (textureOk) {
// Add texture coordinates
x3d += `\n <TextureCoordinate point="`;
currentShape += `\n <TextureCoordinate point="`;
wireframe += `\n <TextureCoordinate point="`;
const texCoords = [];
for (let i = 0; i <= lod.header.vertMax; i++) {
texCoords.push(formatTexCoord(vertices[i]));
}
x3d += texCoords.join(', ');
currentShape += texCoords.join(', ');
wireframe += texCoords.join(', ');
x3d += '"\n />';
currentShape += '"\n />';
wireframe += '"\n />';
}
x3d += '\n </IndexedTriangleStripSet>';
currentShape += '\n </IndexedTriangleStripSet>';
wireframe += '\n </IndexedLineSet>';
x3d += '\n </Shape>';
currentShape += '\n </Shape>';
if (wireframeEnabled) {
x3d += `\n <Shape id = "PROD_${product_name_no_ext}_LOD_${lodIndex}_wireframe" bboxCenter="${bboxCenter.x} ${bboxCenter.y} ${bboxCenter.z}" bboxSize="${bboxSize.x} ${bboxSize.y} ${bboxSize.z}">`;
currentShape += `\n <Shape id = "PROD_${product_name_no_ext}_LOD_${lodIndex}_wireframe" bboxCenter="${bboxCenter.x} ${bboxCenter.y} ${bboxCenter.z}" bboxSize="${bboxSize.x} ${bboxSize.y} ${bboxSize.z}">`;
x3d += wireframe;
}
} // patch cycle, trianglestrip type
}); // patch cycle
if (wireframeEnabled) {
x3d += '\n </Shape>';
currentShape += '\n </Shape>';
}
x3dShapes.push(currentShape);
currentShape="";
} // selected lod
}); // lod cycle
x3d += '\n </Scene>\n</X3D>';
return x3d;
}
const dropArea = document.getElementById('dropArea');
const fileInput = document.getElementById('fileInput');
//const convertBtn = document.getElementById('convertBtn');
const status = document.getElementById('status');
let selectedFile = null;
/*
// moved to main
// 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);
});
*/
// Funzione per gestire i file selezionati
async function handleFiles(files, prodIdControl) {
if (!files || files.length === 0) return;
// Filtra solo i file .vst
const vstFiles = files.filter(file => file.name.toLowerCase().endsWith('.vst'));
const imgFiles = files.filter(file => file.name.toLowerCase().endsWith('.img'));
const lblFiles = files.filter(file => file.name.toLowerCase().endsWith('.lbl'));
if (vstFiles.length === 0) {
showStatus('Per favore seleziona almeno un file .vst', 'error');
return;
}
if (vstFiles.length !== files.length) {
showStatus(`Trovati ${vstFiles.length} file .vst su ${files.length} file selezionati`, 'warning');
}
selectedFiles = vstFiles;
//convertBtn.disabled = false;
// Mostra la lista dei file selezionati
const fileList = vstFiles.map(file => file.name).join(', ');
console.log("fileList:", fileList);
showStatus(`File selezionati: ${fileList}`, 'success');
// Ottieni la barra di progresso e resetta il valore
const progressBar = document.getElementById('progressBar');
progressBar.value = 0;
progressBar.max = vstFiles.length;
// Processa i file in sequenza
for (let i = 0; i < vstFiles.length; i++) {
try {
console.log("Calling processor",imgFiles);;
await processFile(vstFiles[i], i, prodIdControl, imgFiles, lblFiles); // <<<<<<<<<<<<<<<<<<------------------- main process
progressBar.value = i + 1; // Aggiorna la barra di progresso
showStatus(`Completato il file ${i + 1} di ${vstFiles.length}: ${vstFiles[i].name}`, 'success');
document.getElementById("spnLoaded").innerHTML += vstFiles[i].name+ "<br>";
} catch (error) {
showStatus(`Errore nel processare il file ${vstFiles[i].name}: ${error.message}`, 'error');
// break; // Decommentare per fermarsi al primo errore
}
}
// Mostra il completamento al termine
showStatus('Elaborazione completata!', 'success');
}
async function processFile(file, index, prodIdControl, imgFiles, lblFiles) {
console.log("Avvia la conversione per "+ file.name, imgFiles,lblFiles);