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Snack Planet
Interactive world map with city-level restaurant emoji markers and top restaurant types from Overture Maps places data.
MapData Viz
Author: Alex Dahl · June 4, 2026 Region: us-east-1
AI Prompts Used
1Prompt 1
see initial prompt below. had to tweak it a lot to get it right, roughly 30 iterations Create an interactive visualization for a dataset of city-level restaurant distributions. dataset is called `restaurant_city_summary` The dataset has one row per city with: * `city` * `lon` * `lat` * `top_5_restaurants` `top_5_restaurants` is a list of objects with: * `rank` * `type` * `count` * `share` Build a simple exploratory app with two main views. On the left, show a globe or world map with one marker per city, positioned using `lon` and `lat`. On the right, show details for the selected city. Default selected city: Stockholm. When a user clicks a city marker on the globe, update the right panel to show: 1. City name 2. A simple horizontal bar chart of that city’s top 5 restaurant types 3. Each bar should show: * food emoji * readable restaurant type label * count * share percentage Use `share` for the bar length and display it as a percentage. Use this emoji mapping: * `pizza_restaurant` → 🍕 Pizza * `sushi_restaurant` → 🍣 Sushi * `scandinavian_restaurant` → 🐟 Scandinavian * `italian_restaurant` → 🍝 Italian * `burger_restaurant` → 🍔 Burger * `thai_restaurant` → 🌶️ Thai * `ramen_restaurant` → 🍜 Ramen * `japanese_restaurant` → 🍱 Japanese * `chinese_restaurant` → 🥡 Chinese * `steakhouse` → 🥩 Steakhouse * `german_restaurant` → 🥨 German * `vietnamese_restaurant` → 🍲 Vietnamese * `asian_restaurant` → 🥢 Asian * `french_restaurant` → 🥐 French * `seafood_restaurant` → 🦐 Seafood * `egyptian_restaurant` → 🧆 Egyptian * `barbecue_restaurant` → 🍖 Barbecue * `middle_eastern_restaurant` → 🧆 Middle Eastern * `turkish_restaurant` → 🥙 Turkish * `doner_kebab_restaurant` → 🥙 Doner Kebab * `african_restaurant` → 🍛 African * `bar_and_grill_restaurant` → 🍗 Bar & Grill * `mexican_restaurant` → 🌮 Mexican * `american_restaurant` → 🍟 American * `taco_restaurant` → 🌮 Taco * `chicken_restaurant` → 🍗 Chicken * `czech_restaurant` → 🍺 Czech * `brazilian_restaurant` → 🥘 Brazilian For any restaurant type not in the mapping, use: * `other` → 🍽️ Other Clean labels by removing `_restaurant`, replacing underscores with spaces, and title-casing the result. The design should feel minimal, polished, and playful. Suggested title: “What Does Your City Eat?” Subtitle: “Top restaurant types from Overture Maps places data.” Interaction details: * Hovering a city marker should show the city name. * Clicking a marker selects the city. * The selected city marker should be visually highlighted. * The right panel should update immediately. * The bar chart should animate when the selected city changes. * Sort bars by `rank`, not alphabetically. * Display shares as percentages with one decimal place. * Display counts as whole numbers. The visualization should emphasize comparison between cities, not raw data exploration. Keep the interface simple: globe on the left, restaurant DNA panel on the right.
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