Data
data
Currently, the data formats supported by L7 are:GeoJSON，CSV，JSON，Image。
-
GeoJSONSupports all standard spatial data formats such as points, lines, and areas. -
CSVSupports data types such as points, line segments, and arcs. -
JSONSupports simple point, line, and area data types, but does not support multi-point, multi-line, and multi-area data formats.
GeoJSON
GeoJSONIs a format for encoding various geographic data structures. GeoJSON objects can represent geometries, features, or feature collections. GeoJSON supports the following geometry types: point, line, polygon, multipoint, multiline, polygon, and geometry collection. Features in GeoJSON include a geometric object and other attributes, and feature collections represent a series of features.
{
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Polygon",
"coordinates": [
[
[110.478515625, 32.76880048488168],
[117.68554687499999, 32.76880048488168],
[117.68554687499999, 37.64903402157866]
]
]
}
}
]
}Geostatistical analysis tools
turfjs: JavaScript library for geographic data calculation, processing, statistics, and analysis
Online tools
http://geojson.io/You can view, draw and modify GeoJSON data online
https://mapshaper.org/Can view larger geojson and simplify GeoJSON data