Add web SVG generator, container, and Kubernetes manifests
- Flask app (web/) generates M1730 scale SVGs from a form; embeds GOST typ A font as base64 so output is self-contained - Dockerfile builds the app into git.baumann.gr/adebaumann/m1730-generator - k8s/ deploys as a ClusterIP service for NPM to proxy at works.adebaumann.com/M1730-generator/ Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>M1730 Scale Generator</title>
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<style>
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*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
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body {
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font-family: system-ui, sans-serif;
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background: #f4f4f5;
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color: #222;
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min-height: 100vh;
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padding: 2rem 1.5rem;
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}
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.container { max-width: 840px; margin: 0 auto; }
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h1 { font-size: 1.3rem; font-weight: 600; margin-bottom: 1.5rem; }
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.card {
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background: #fff;
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border: 1px solid #ddd;
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border-radius: 8px;
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padding: 1.5rem;
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margin-bottom: 1.5rem;
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}
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.grid {
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display: grid;
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grid-template-columns: 1fr 1fr;
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gap: 1rem 2rem;
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}
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@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
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label {
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display: flex;
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flex-direction: column;
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gap: 0.3rem;
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font-size: 0.88rem;
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font-weight: 600;
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}
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label small { font-weight: normal; color: #666; font-size: 0.8rem; }
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input[type="text"],
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input[type="number"] {
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padding: 0.4rem 0.65rem;
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border: 1px solid #bbb;
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border-radius: 4px;
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font-size: 0.95rem;
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width: 100%;
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transition: border-color 0.15s;
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}
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input:focus { outline: 2px solid #0070f3; outline-offset: 1px; border-color: transparent; }
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.actions {
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grid-column: 1 / -1;
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display: flex;
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gap: 0.75rem;
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align-items: center;
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margin-top: 0.5rem;
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}
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button {
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padding: 0.45rem 1.2rem;
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font-size: 0.9rem;
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border: none;
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border-radius: 4px;
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cursor: pointer;
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font-weight: 500;
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}
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#btn-generate { background: #0070f3; color: #fff; }
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#btn-generate:hover { background: #005fd4; }
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#btn-download { background: #e5e5e5; color: #222; }
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#btn-download:hover:not(:disabled) { background: #d4d4d4; }
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#btn-download:disabled { opacity: 0.45; cursor: not-allowed; }
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#status { font-size: 0.82rem; color: #888; }
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.preview-card {
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background: #fff;
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border: 1px solid #ddd;
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border-radius: 8px;
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padding: 1.5rem;
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}
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.preview-label {
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font-size: 0.8rem;
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font-weight: 600;
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color: #888;
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text-transform: uppercase;
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letter-spacing: 0.05em;
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margin-bottom: 1rem;
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}
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#preview svg { width: 100%; height: auto; display: block; }
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#preview-placeholder { font-size: 0.9rem; color: #aaa; }
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</style>
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</head>
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<body>
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<div class="container">
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<h1>M1730 Scale Generator</h1>
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<div class="card">
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<form id="form" class="grid">
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<label>
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Unit
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<small>Large letter left of scale</small>
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<input name="unit" type="text" value="%" required>
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</label>
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<label>
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Range label
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<small>Small text in the strip (e.g. 5mA, 10V)</small>
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<input name="range_label" type="text" value="5mA" required>
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</label>
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<label>
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Min value
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<small>Value at the left (zero) end</small>
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<input name="min" type="number" step="any" value="0" required>
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</label>
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<label>
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Max value
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<small>Value at the right end</small>
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<input name="max" type="number" step="any" value="100" required>
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</label>
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<label>
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Major tick intervals
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<small>Number of divisions (e.g. 10 → 0, 10, 20 … 100)</small>
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<input name="big_ticks" type="number" min="1" max="50" value="10" required>
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</label>
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<label>
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Minor ticks per interval
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<small>Small ticks between each major pair</small>
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<input name="small_ticks" type="number" min="0" max="20" value="4" required>
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</label>
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<label>
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Number of labels
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<small>Numeric values to print; best when (count−1) divides intervals</small>
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<input name="label_count" type="number" min="2" value="6" required>
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</label>
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<div class="actions">
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<button type="submit" id="btn-generate">Generate</button>
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<button type="button" id="btn-download" disabled>Download SVG</button>
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<span id="status"></span>
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</div>
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</form>
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</div>
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<div class="preview-card">
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<div class="preview-label">Preview</div>
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<div id="preview">
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<p id="preview-placeholder">Fill in the form and click Generate.</p>
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</div>
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</div>
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</div>
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<script>
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let lastSvg = '';
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async function doGenerate() {
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const status = document.getElementById('status');
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status.textContent = 'Generating…';
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try {
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const resp = await fetch('generate', {
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method: 'POST',
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body: new FormData(document.getElementById('form')),
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});
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if (!resp.ok) throw new Error(await resp.text());
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lastSvg = await resp.text();
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document.getElementById('preview').innerHTML = lastSvg;
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document.getElementById('btn-download').disabled = false;
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status.textContent = '';
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} catch (err) {
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status.textContent = 'Error: ' + err.message;
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}
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}
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document.getElementById('form').addEventListener('submit', e => {
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e.preventDefault();
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doGenerate();
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});
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document.getElementById('btn-download').addEventListener('click', () => {
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if (!lastSvg) return;
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const a = Object.assign(document.createElement('a'), {
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href: URL.createObjectURL(new Blob([lastSvg], { type: 'image/svg+xml' })),
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download: 'M1730-Scale.svg',
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});
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a.click();
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URL.revokeObjectURL(a.href);
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});
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// Show default scale on load
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doGenerate();
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</script>
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</body>
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</html>
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