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# File 'lib/ragnar/cli_visualization.rb', line 5
def generate_topic_visualization_html(topics, embeddings: nil, cluster_ids: nil)
topics_json = topics.map do |topic|
topic_data = {
id: topic.id,
label: topic.label || "Topic #{topic.id}",
size: topic.size,
terms: topic.terms.first(10),
coherence: topic.coherence,
samples: topic.representative_docs(k: 2).map { |d| d[0..200] }
}
summary = topic.instance_variable_get(:@summary)
topic_data[:summary] = summary if summary
topic_data
end.to_json
<<~HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Topic Visualization</title>
<script src="https://d3js.org/d3.v7.min.js"></script>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
margin: 20px;
background: #f8f9fa;
}
.container {
max-width: 1400px;
margin: 0 auto;
}
h1 {
color: #2c3e50;
margin-bottom: 10px;
}
.viz-panel {
background: white;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
padding: 15px;
}
#bubble-viz {
height: 500px;
}
.topic { cursor: pointer; }
.topic:hover { opacity: 0.8; }
#details {
background: white;
padding: 20px;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
margin-top: 20px;
}
.term {
display: inline-block;
margin: 5px;
padding: 5px 10px;
background: #e3f2fd;
border-radius: 3px;
color: #1976d2;
font-size: 14px;
}
</style>
</head>
<body>
<div class="container">
<h1>Topic Analysis Results</h1>
<div class="viz-panel">
<h3>Topic Overview</h3>
<div id="bubble-viz"></div>
</div>
<div id="details">Click on a topic to see details</div>
</div>
<script>
const topicsData = #{topics_json};
// Create bubble chart
function createBubbleChart() {
const width = document.getElementById('bubble-viz').clientWidth - 30;
const height = 470;
const svg = d3.select("#bubble-viz")
.append("svg")
.attr("width", width)
.attr("height", height);
// Create scale for bubble sizes
const sizeScale = d3.scaleSqrt()
.domain([0, d3.max(topicsData, d => d.size)])
.range([20, 60]);
// Create color scale
const colorScale = d3.scaleSequential(d3.interpolateTurbo)
.domain([0, 1]);
// Create force simulation
const simulation = d3.forceSimulation(topicsData)
.force("x", d3.forceX(width / 2).strength(0.05))
.force("y", d3.forceY(height / 2).strength(0.05))
.force("collide", d3.forceCollide(d => sizeScale(d.size) + 3));
// Create bubbles
const bubbles = svg.selectAll(".topic")
.data(topicsData)
.enter().append("g")
.attr("class", "topic");
bubbles.append("circle")
.attr("r", d => sizeScale(d.size))
.attr("fill", d => colorScale(d.coherence))
.attr("stroke", "#fff")
.attr("stroke-width", 2)
.style("filter", "drop-shadow(0px 2px 3px rgba(0,0,0,0.2))");
bubbles.append("text")
.text(d => d.label)
.attr("text-anchor", "middle")
.attr("dy", ".3em")
.style("font-size", d => Math.min(sizeScale(d.size) / 3, 14) + "px")
.style("fill", "white")
.style("font-weight", "500");
// Add click handler
bubbles.on("click", function(event, d) {
showDetails(d);
});
// Update positions
simulation.on("tick", () => {
bubbles.attr("transform", d => `translate(${d.x},${d.y})`);
});
}
// Show topic details
function showDetails(topic) {
const details = document.getElementById('details');
let summaryHtml = '';
if (topic.summary) {
summaryHtml = `
<p><strong>Summary:</strong></p>
<p style="font-size: 1.1em; color: #2c5234; padding: 15px; background: #e8f5e8; border-radius: 6px; border-left: 4px solid #4caf50; margin: 15px 0; line-height: 1.5;">${topic.summary}</p>
`;
}
details.innerHTML = `
<h2>${topic.label}</h2>
<p><strong>Documents:</strong> ${topic.size}</p>
<p><strong>Coherence:</strong> ${(topic.coherence * 100).toFixed(1)}%</p>
${summaryHtml}
<p><strong>Top Terms:</strong></p>
<div>${topic.terms.map(t => `<span class="term">${t}</span>`).join('')}</div>
<p><strong>Sample Documents:</strong></p>
${topic.samples.map(s => `<p style="font-size: 0.9em; color: #666; padding: 10px; background: #f5f5f5; border-radius: 4px; margin: 10px 0;">"${s}..."</p>`).join('')}
`;
}
// Initialize visualizations
createBubbleChart();
// Show first topic details by default
if (topicsData.length > 0) {
showDetails(topicsData[0]);
}
</script>
</body>
</html>
HTML
end
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