Pokédex Type Treemap

What This Shows

• What the chart shows: Pokémon grouped first by primary type, then by evolution family, with individual species details available inside the interface.
• Who it is for: Pokémon fans, game-data explorers, collectors, designers, and anyone who likes seeing a Pokédex reorganized as a visual system.
• Why it is interesting: it turns type balance, evolution families, species counts, and base stat totals into a map you can browse instead of a flat list.
• Best way to use it: click a type block, drill into an evolution family, then select a Pokémon from the treemap or Index to inspect its Dex-style panel.

What Is A Treemap?

A treemap is a space-filling chart that turns categories into nested rectangles. Bigger rectangles represent larger values, while smaller rectangles fit inside their parent group.

For a Pokédex-style visualization, that means Pokémon can be grouped by primary type, then evolution family, then individual species. It is a compact way to compare categories that would be harder to scan in a normal table.

What This Visualization Reveals

The treemap makes it easier to compare how Pokémon types and evolution families occupy visual space. Depending on the sizing mode, the chart can emphasize either species count or total base stat weight.

Drilling from type to family to species helps fans move from broad patterns into individual Pokémon. A big type block gives one kind of overview; a selected Dex entry gives another kind of close reading.

The interface is playful on purpose. It borrows the feeling of a Pokédex while using a standard data-visualization structure underneath: nested categories, sortable lists, filtered views, and detail panels.

How To Use The Visualization

• Search Pokémon: use the search box to find Pokémon, type names, or role text across the treemap and Index.
• Click type blocks: select a primary type to zoom into its evolution families.
• Click evolution families: drill from a family block into individual species tiles.
• Select Pokémon: click a species tile or Index card to open its Dex-style entry, stats, abilities, and available move details.
• Change sorting: sort the Index by featured order, power high-to-low, or name A-Z.
• Change sizing: switch the treemap between base-stat sizing and species-count sizing.
• Navigate back: use the Back button or breadcrumb pills to move up from Pokémon to family, type, or all types.
• Use the D-pad controls: move focus around the treemap with the on-screen directional pad.

Why This Matters For Fans

Pokémon fans often know the Pokédex through lists, stats pages, team builders, and type charts. This project gives the same world a different shape: a visual territory map of types, families, and species.

That makes it useful for pattern spotting, team-building inspiration, design comparison, collecting conversations, or just browsing Pokémon data in a more tactile way.

Methodology And Data Note

The visualization uses embedded data, a static JSON file, or a live PokéAPI fallback depending on what is available. The interface groups Pokémon by primary type and evolution family, then displays species-level details where the data exists.

The scope is designed for interactive exploration, not as a complete competitive database. Values such as base stats total, type, generation, evolution stage, sprite references, abilities, and card-style move details are used to support browsing and comparison.

Known limitations: some detailed fields may depend on available static or fallback data, type grouping uses primary type for the treemap, and card-style move details are simplified for presentation. Verify any formal data need against official game resources or dedicated databases.

Last updated: May 26, 2026. Interpret tile size as a visualization setting, not an official importance ranking.

This is an unofficial fan-made data visualization. Otaku Data Viz is not affiliated with Pokémon, Nintendo, Game Freak, Creatures, The Pokémon Company, or any related rights holders. All names and references are used for commentary, analysis, and fan discussion.