mapbox/tippecanoe

Features

• Vector Tile Generation - Transforms geospatial data in Geobuf format into vector tiles by projecting coordinates and processing geometry.
• Geospatial Data Downsamplers - Simplifies geometries and thins point density to maintain map performance across different zoom levels.
• Vector Tile Conversion - Transforms geospatial coordinates into tiled vector formats by decoding geometry and scaling zoom levels.
• Map Data Optimizers - Simplifies geometries and clusters point features to keep tile sizes small while maintaining visual detail.
• Binary Serialization - Encodes geospatial coordinates and attributes into a compact binary format for efficient transmission and storage.
• Feature Downsampling - Thins point data and simplifies geometries at lower zoom levels to prevent tile overcrowding.
• GeoJSON to Vector Tile Conversion - Parse GeoJSON features and geometries from input files to generate optimized vector tiles.
• Geospatial Feature Deserialization - Reads binary geospatial data to reconstruct features, including geometry, attributes, and layer associations.
• Geospatial Format Parsing - Translates GeoJSON, CSV, and Geobuf inputs into a unified internal representation for projection and tiling.
• Geospatial Tile Processors - Converts between geographic coordinates and tiled representations for mapping data to the correct tile locations.
• Large Scale Map Tiling - Processes massive GeoJSON, CSV, or Geobuf files into MBTiles or directory structures for geographic information systems.
• MBTiles Packaging - Stores generated vector tiles and metadata within a single SQLite database following the MBTiles specification.
• Point Data Downsampling - Drops a fraction of point features at lower zoom levels to prevent tile overcrowding.
• MBTiles Storage Adapters - Packages generated geospatial tiles and metadata into a SQLite database following the MBTiles specification.
• Geospatial Feature Serialization - Writes geospatial geometry and metadata into a binary format optimized for efficient storage and retrieval.
• Geometry Simplification Tools - Reduces vertex density of lines and polygons using adjustable tolerances to maintain visual fidelity.
• Geospatial Vector Simplification - Reduces the complexity of lines and polygons using adjustable tolerances to maintain performance across zoom levels.
• Geospatial Data Downsampling - Reduces the complexity of lines and points across zoom levels to prevent map overcrowding and slow performance.
• Vector Tile Generation - Converts large geospatial datasets into optimized vector tiles for efficient web map rendering.
• Vector Tile Generators - Converts GeoJSON, CSV, and Geobuf data into optimized binary vector tiles for web maps.
• Coordinate Projections - Handles input data in WGS84 or Web Mercator projections to ensure correct placement in vector tiles.
• Coordinate-to-Tile Mapping - Transforms geospatial coordinates and projections into tile indices and back to map coordinates.
• Geographic Projections - Transforms geographic coordinates from WGS84 ellipsoidal models to a flat Web Mercator plane for indexing.
• CSV to Vector Tile Conversion - Parse geospatial data from CSV files and integrate it into a vector tile structure.
• JSON and Data Parsing - Convert JSON-formatted geospatial data into internal representations of points, lines, and polygons.
• Tileset Merging - Join multiple tile files or directories together with layer renaming and selective zoom level copying.
• Unique Identifier Generators - Implements utilities to generate unique IDs for geospatial features or map existing attributes as primary identifiers.
• Geobuf Parsing - Convert Geobuf encoded geospatial data into a format suitable for vector tile generation.
• Attribute Filtering - Includes or excludes geospatial features based on logic filters or specific attribute values.
• Disk-Based Tile Storage - Saves geospatial data as a directory hierarchy of binary files organized by zoom and coordinates.
• Feature Attribute Management - Provides tools to include, exclude, or coerce data types for attributes and assign custom metadata descriptions.
• Feature Coalescing - Merges multiple point features into MultiPoint features to reduce the total number of elements in a tile.
• Geospatial Source Merging - Combine multiple geospatial input files into a single layer or maintain them as separate layers.
• Shell-Based Processing - Execute shell commands as pre- or post-filters to transform geospatial features during tiling.
• Vector Tile Feature Transformation - Filters, merges, and modifies geospatial features using shell commands and attribute-based logic.
• Feature Filtering Pipelines - Executes external system commands as pre- or post-processing steps to transform geospatial attributes.
• Spatial Data Preprocessing - Cleans and transforms geospatial attributes and coordinates using shell filters before tiling them for a map.
• MBTiles Database Generation - Packages geospatial vector data into the MBTiles SQLite format for efficient storage and serving.
• Vector Tile Density Management - Thins out features using dot-density gamma or reduction strategies to prevent tile overcrowding.
• Vector Tile Size Constraints - Drops or coalesces features dynamically to ensure compressed tiles stay under specific byte or feature count limits.
• Geospatial Geometry Clipping - Implements geometry clipping to limit the geographic extent of generated tiles to a specified bounding box.
• Vector Tile Merging - Combine multiple vector tile sources into a single output by joining layers and filtering attributes.
• Map Point Clustering - Groups nearby points into single representative features and aggregates attributes using mathematical operations.
• Spatial Sorting - Orders geospatial features along a space-filling Hilbert curve to optimize disk access and locality.
• C Geospatial Libraries - Tool for building vector tilesets from large GeoJSON collections.

Star history