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geojson-vt - Slice GeoJSON into vector tiles on the fly in the browser
A highly efficient JavaScript library for slicing GeoJSON data into vector tiles on the fly, primarily designed to enable rendering and interacting with large geospatial datasets on the browser side (without a server).Created to power GeoJSON in Mapbox GL JS, but can be useful in other visualization platforms like Leaflet and d3, as well as Node.js server applications.
spatial geojson tiles geometrytogeojson - convert KML and GPX to GeoJSON, without the fuss
This converts KML & GPX to GeoJSON, in a browser or with Node.js.Convert a KML document to GeoJSON. The first argument, doc, must be a KML document as an XML DOM - not as a string. You can get this using jQuery's default .ajax function or using a bare XMLHttpRequest with the .response property holding an XML DOM.
kml geojson gpx geo parser formatter input leaflet mapsGeolib - Growing library to provide some basic geo functions
Library to provide basic geospatial operations like distance calculation, conversion of decimal coordinates to sexagesimal and vice versa, etc. Takes 2 or 4 arguments. First 2 arguments must be objects that each have latitude and longitude properties (e.g. {latitude: 52.518611, longitude: 13.408056}). Coordinates can be in sexagesimal or decimal format. 3rd argument is accuracy (in meters). So a calculated distance of 1248 meters with an accuracy of 100 is returned as 1200 (accuracy 10 = 1250 etc.). 4th argument is precision in sub-meters (1 is meter presicion, 2 is decimeters, 3 is centimeters, etc).
geodesy distance latitude longitude elevation geolocation geo geojson geospatial lbs locationtopojson - An extension of GeoJSON that encodes topology! 🌐
TopoJSON is an extension of GeoJSON that encodes topology. Rather than representing geometries discretely, geometries in TopoJSON files are stitched together from shared line segments called arcs. This technique is similar to Matt Bloch’s MapShaper and the Arc/Info Export format, .e00. TopoJSON eliminates redundancy, allowing related geometries to be stored efficiently in the same file. For example, the shared boundary between California and Nevada is represented only once, rather than being duplicated for both states. A single TopoJSON file can contain multiple feature collections without duplication, such as states and counties. Or, a TopoJSON file can efficiently represent both polygons (for fill) and boundaries (for stroke) as two feature collections that share the same arc mesh. See How To Infer Topology for a visual explanation of how TopoJSON works. See Command-Line Cartography for an introduction to TopoJSON and related tools. See TopoJSON Format Specification for the format specification.
topojson geojsonawesome-cn-cafe - A curated list of awesome café places in China.
A curated list of awesome café places in China.
geojson coffee-shops china awesomegeojson-js-utils - JavaScript helper functions for manipulating GeoJSON
Here you will find some functions to help you manipulate and work with GeoJSON objects.You now have an object named gju that contains all of the helper functions.
geojson geocouchleaflet-omnivore - universal format parser for Leaflet & Mapbox.js
Leaflet supports the GeoJSON format by default. What if you have something else? That's where omnivore comes in.Omnivore also includes an AJAX library, corslite, so you can specify what you want to add to the map with just a URL.
leaflet formats kml csv gpx geojson maps wkt osm polyline topojson format convertergeobuf - A compact binary encoding for geographic data.
Geobuf is a compact binary encoding for geographic data.Think of this as an attempt to design a simple, modern Shapefile successor that works seamlessly with GeoJSON. Unlike Mapbox Vector Tiles, it aims for lossless compression of datasets — without tiling, projecting coordinates, flattening geometries or stripping properties.
geographic data buffer protobuf format compression geojson topojsonshapefile - A cross-platform streaming parser for the ESRI Shapefile spatial data format.
For a live example, see bl.ocks.org/2dd741099154a4da55a7db31fd96a892. See also ndjson-cli for examples of manipulating GeoJSON using newline-delimited JSON streams. See Command-Line Cartography for a longer introduction. In-browser parsing of dBASE table files requires TextDecoder, part of the Encoding living standard, which is not supported in IE or Safari as of September, 2016. See text-encoding for a browser polyfill.
geojson shapefilemagellan - Geo Spatial Data Analytics on Spark
Magellan is a distributed execution engine for geospatial analytics on big data. It is implemented on top of Apache Spark and deeply leverages modern database techniques like efficient data layout, code generation and query optimization in order to optimize geospatial queries. The application developer writes standard sql or data frame queries to evaluate geometric expressions while the execution engine takes care of efficiently laying data out in memory during query processing, picking the right query plan, optimizing the query execution with cheap and efficient spatial indices while presenting a declarative abstraction to the developer.
geospatial-analytics sparksql spark geometric-algorithms geojson shapefile geospatial geospatial-processing geospatial-analysis big-data magelland3-carto-map - A mapping API that uses D3 geospatial functionality
d3.carto is a library for creating layer-based maps using D3. It allows you to easily make tile and vector maps that take advantage of D3's amazing geospatial functionality. Take a look at the wiki to get started or if you'd prefer to see what d3.carto can do, there are some examples here and more as blocks.
d3 map cartography topojson geojson csv svg canvaslawn - turf.js R client
lawn is an R wrapper for the Javascript library turf.js. In addition, we have a few functions to interface with the geojson-random and geojsonhint Javascript libraries, for generating random GeoJSON objects and linting GeoJSON, respectively.
geojson geospatialwellknown - WKT <-> GeoJSON
wellknown - convert WKT to GeoJSON and vice versa.Inspiration partly comes from Python's geomet/geomet - and the name from Javascript's wellknown (it's a good name).
geojson wkt wkbsimplify-geojson - apply the ramer-douglas-peucker line simplification to geojson features or feature collections in JS or on the CLI
Apply Ramer–Douglas–Peucker line simplification to GeoJSON features or feature collections in JS or on the CLI.This module uses https://github.com/seabre/simplify-geometry for the simplification and wraps it in a interface for easily simplifying GeoJSON.
ramer-douglas-peucker feature featurecollection geojson line linestring multilinestring multipolygon polygon simplification simplifyturf-isobands - Takes a FeatureCollection of points with z values and an array of value breaks and generates filled contour isobands
Takes a pointGrid FeatureCollection of points with z values and an array of value breaks and generates filled contour isobands. These are commonly used to create elevation maps, but can be used for general data interpolation as well.Requires nodejs.
turf geojson contours isobands elevation topography filledprobematch - A small module for matching probes to road networks
Match a single GPS measurements (probe) or line of sequential GPS measurements (trace) to a road network.probematch creates an rbush index of a road network to allow you to quickly match probes or traces to the roads using configurable distance and bearing filters.
gps match probe geojson
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