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Implementing Micromegas artifact visualizer #3

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Merged
standardgalactic merged 1 commit into from
Aug 9, 2026
Merged

Implementing Micromegas artifact visualizer #3

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41 changes: 37 additions & 4 deletions micromegas/visualizer.html
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Original file line number Diff line number Diff line change
Expand Up @@ -54,12 +54,44 @@ <h1>Micromegas Artifact Visualizer</h1>
return response.json();
}

function artifactCard(artifact, data) {
function resolveManifestPath(path) {
if (!path) return '';
if (/^(?:https?:)?\/\//.test(path) || path.startsWith('data:') || path.startsWith('/')) {
return path;
}
return `../${path.replace(/^\.\//, '')}`;
}

async function findArtifactImage(artifact) {
const candidates = [];
if (typeof artifact.image === 'string' && artifact.image.trim()) {
candidates.push(artifact.image.trim());
}
candidates.push(`outputs/micromegas/images/${artifact.name}.png`);

const seen = new Set();
for (const candidate of candidates) {
if (seen.has(candidate)) continue;
seen.add(candidate);
const path = resolveManifestPath(candidate);
try {
const headResponse = await fetch(path, { method: 'HEAD' });
if (headResponse.ok) return path;
} catch (_) {}
try {
const getResponse = await fetch(path, { cache: 'no-store' });
if (getResponse.ok) return path;
} catch (_) {}
}
return null;
}

function artifactCard(artifact, data, imagePath) {
const card = document.createElement('article');
card.className = 'card';
const primitives = summarizePrimitives(data.objects || []);

const image = artifact.image ? `<img src="../${artifact.image}" alt="${artifact.name} sample render" />` : '<div class="meta">No Blender image found for this artifact.</div>';
const image = imagePath ? `<img src="${imagePath}" alt="${artifact.name} sample render" />` : '<div class="meta">No Blender image found for this artifact.</div>';
card.innerHTML = `
<h2>${artifact.name}</h2>
<div class="meta">seed=${artifact.seed} • family=${data.family || 'unknown'} • objects=${(data.objects || []).length}</div>
Expand Down Expand Up @@ -87,8 +119,9 @@ <h2>${artifact.name}</h2>
let loaded = 0;
for (const artifact of artifacts) {
try {
const sceneData = await fetchJson(`../${artifact.json}`);
gallery.appendChild(artifactCard(artifact, sceneData));
const sceneData = await fetchJson(resolveManifestPath(artifact.json));
const imagePath = await findArtifactImage(artifact);
gallery.appendChild(artifactCard(artifact, sceneData, imagePath));
loaded += 1;
} catch (err) {
const failed = document.createElement('article');
Expand Down