터널 단면 3D 모델러 최신화: 남한산성/방아다리 터널 설계 제원 정밀 반영 및 UI/서버 파일 추가
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/**
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* ============================================================================
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* 프로젝트: 터널 단면 3D 파라메트릭 모델러 (Tunnel Modeler 3D)
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* 개발자: m12205.tdc.hanmacgroup@gmail.com
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* 저작권: Copyright (c) 2026 m12205.tdc.hanmacgroup@gmail.com. All rights reserved.
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* 설명: DWG/DXF 변환 및 정적 웹 서비스 로컬 서버
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* ============================================================================
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*/
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const http = require('http');
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const fs = require('fs');
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const os = require('os');
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const path = require('path');
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const { spawn } = require('child_process');
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const PORT = Number(process.env.PORT || 4180);
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const ROOT = __dirname;
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const PARENT_ROOT = path.resolve(__dirname, '..');
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function findConverter() {
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const candidates = [
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process.env.ODA_FILE_CONVERTER,
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'C:\\Program Files\\ODA\\ODAFileConverter\\ODAFileConverter.exe',
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'C:\\Program Files\\ODA\\ODAFileConverter 27.9.0\\ODAFileConverter.exe',
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'C:\\Program Files\\ODAFileConverter\\ODAFileConverter.exe',
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'C:\\Program Files\\Open Design Alliance\\ODAFileConverter.exe'
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].filter(Boolean);
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for (const candidate of candidates) if (fs.existsSync(candidate)) return candidate;
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for (const root of [process.env.ProgramFiles, process.env['ProgramFiles(x86)']].filter(Boolean)) {
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for (const folder of ['ODA', 'ODA File Converter', 'Open Design Alliance']) {
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const parent = path.join(root, folder);
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if (!fs.existsSync(parent)) continue;
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for (const entry of fs.readdirSync(parent, { withFileTypes: true })) {
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if (!entry.isDirectory() || !/oda.*converter/i.test(entry.name)) continue;
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const candidate = path.join(parent, entry.name, 'ODAFileConverter.exe');
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if (fs.existsSync(candidate)) return candidate;
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}
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}
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}
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return null;
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}
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function send(res, status, body, type = 'application/json; charset=utf-8') {
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res.writeHead(status, { 'Content-Type': type, 'Cache-Control': 'no-store' });
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res.end(typeof body === 'string' ? body : JSON.stringify(body));
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}
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const server = http.createServer((req, res) => {
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const url = new URL(req.url, `http://${req.headers.host || 'localhost'}`);
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if (req.method === 'GET' && url.pathname === '/api/status') {
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const converter = findConverter();
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return send(res, 200, { converterAvailable: Boolean(converter), converterPath: converter });
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}
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if (req.method === 'GET' && url.pathname === '/api/sample') {
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const sampleCandidates = [
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path.join(ROOT, 'sample.dxf'),
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path.join(PARENT_ROOT, 'sejong_seoun1.dxf'),
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path.join(PARENT_ROOT, 'Tunnel3D', 'sejong_seoun1.dxf'),
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path.join(PARENT_ROOT, 'Tunnel3D-inspect', 'out', 'source.dxf')
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];
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const sample = sampleCandidates.find(p => fs.existsSync(p));
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if (!sample) return send(res, 404, { error: '예제 DXF 파일을 찾지 못했습니다.' });
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res.writeHead(200, { 'Content-Type': 'text/plain; charset=utf-8', 'Cache-Control': 'no-store' });
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return fs.createReadStream(sample).pipe(res);
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}
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if (req.method === 'POST' && url.pathname === '/api/convert') {
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const converter = findConverter();
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if (!converter) {
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return send(res, 503, { error: 'ODA File Converter를 찾지 못했습니다. DXF 파일을 사용하거나 ODA File Converter를 설치해 주세요.' });
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}
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const original = path.basename(decodeURIComponent(req.headers['x-filename'] || 'drawing.dwg'));
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if (!/\.dwg$/i.test(original)) {
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return send(res, 400, { error: 'DWG 파일만 변환할 수 있습니다.' });
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}
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const work = fs.mkdtempSync(path.join(os.tmpdir(), 'tunnel-modeler-3d-'));
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const input = path.join(work, 'in');
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const output = path.join(work, 'out');
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fs.mkdirSync(input);
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fs.mkdirSync(output);
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const source = path.join(input, 'source.dwg');
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const outFile = path.join(output, 'source.dxf');
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const stream = fs.createWriteStream(source);
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req.pipe(stream);
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stream.on('error', () => {
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fs.rmSync(work, { recursive: true, force: true });
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send(res, 500, { error: 'DWG 파일을 임시 작업 폴더에 저장하지 못했습니다.' });
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});
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stream.on('finish', () => {
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const child = spawn(converter, [input, output, 'ACAD2018', 'DXF', '0', '0', '*.DWG'], { windowsHide: true });
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let stderr = '';
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child.stderr.on('data', data => { stderr += data.toString(); });
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child.on('error', error => {
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fs.rmSync(work, { recursive: true, force: true });
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send(res, 500, { error: `DWG 변환기를 실행하지 못했습니다: ${error.message}` });
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});
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child.on('close', code => {
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if (!fs.existsSync(outFile)) {
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fs.rmSync(work, { recursive: true, force: true });
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return send(res, 422, { error: `DXF 변환 결과가 없습니다 (종료 코드 ${code}). ${stderr.slice(0, 500)}` });
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}
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const dxf = fs.readFileSync(outFile, 'utf8');
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fs.rmSync(work, { recursive: true, force: true });
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send(res, 200, dxf, 'text/plain; charset=utf-8');
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});
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});
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return;
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}
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if (req.method !== 'GET') return send(res, 405, { error: '허용되지 않은 요청입니다.' });
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const relative = url.pathname === '/' ? 'index.html' : decodeURIComponent(url.pathname).replace(/^\/+/, '');
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const file = path.resolve(ROOT, relative);
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if (!file.startsWith(ROOT + path.sep) || !fs.existsSync(file) || fs.statSync(file).isDirectory()) {
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return send(res, 404, '파일을 찾을 수 없습니다.', 'text/plain; charset=utf-8');
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}
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const types = {
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'.html': 'text/html; charset=utf-8',
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'.js': 'text/javascript; charset=utf-8',
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'.css': 'text/css; charset=utf-8',
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'.json': 'application/json; charset=utf-8',
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'.dxf': 'text/plain; charset=utf-8',
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'.wasm': 'application/wasm'
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};
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res.writeHead(200, { 'Content-Type': types[path.extname(file).toLowerCase()] || 'application/octet-stream', 'Cache-Control': 'no-store' });
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fs.createReadStream(file).pipe(res);
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});
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server.listen(PORT, '127.0.0.1', () => {
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console.log(`====================================================`);
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console.log(` 터널 단면 3D 모델러 실행 중: http://127.0.0.1:${PORT}`);
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console.log(` ODA File Converter: ${findConverter() ? '준비됨 (DWG 직독 가능)' : '미설치 (DXF 사용 가능)'}`);
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console.log(`====================================================`);
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});
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