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README.md

L7

travis ci 最近提交

Large-scale WebGL-powered Geospatial data visualization analysis framework.

中文 README

Powered by WebGL, the rendering technology of L7 supports fast and efficient rendering of big data, 2D/3D rendering, possible through calculation and analysis of spatial data by GPU Parallel Compu-ting.

L7 focuses on geographic data expressiveness,interaction and design of geographic visualization layers. The basemaps on the platform are powered by third-party services

l7 visualization demos

l7 demo

Highlight features of L7 2.0

🌏 Data-driven Visualization

Layer visualization API design base Semiology of Graphics.

it supports rich map visualization types for a better insight on data.

🌏High performance rendering with 2D/3D effect

Real-time and dynamic rendering with millions of spatial data.

🌏 Simple and flexible data format:

L7 supports a wide variety of data formats including CSV, JSON, geojson, among others, eliminating the need to run conversions ahead of time.

🌏Multi-basemap:

For global users, Mapbox is easy to be embedded by a simple line of code.

Getting Started

Installation

npm install @antv/l7@beta

init Map by L7 scene

import { Scene } from '@antv/l7';
import { Mapbox } from '@antv/l7-maps';
new Scene({
  id: 'map',
  map: new Mapbox({
    style: 'light',
    pitch: 0,
    center: [ 107.054293, 35.246265 ],
    zoom: 4.056
  })
})

add Layer


import { PointLayer } from '@antv/l7';
  const pointLayer = new PointLayer()
      .source(data)
      .shape('circle')
      .size('mag', [ 1, 25 ])
      .color('mag',['#5B8FF9', '#5CCEA1'])
      .style({
        opacity: 0.3,
        strokeWidth: 1
      });

scene.addLayer(pointLayer);

Documentation

Getting started with L7

Tutorials

API documentation

Examples

Development

使用 Yarn Workspace 完成依赖安装以及各包之间的 link 工作:

yarn install

开发模式:

yarn watch

运行 Demo,基于 Storybook:

yarn storybook

view doc example

yarn start

visit http://localhost:8000/

License

MIT license.

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About

L7 是由蚂蚁金服 AntV 数据可视化团队推出的基于 WebGL 的开源大规模地理空间数据可视分析开发框架。L7 中的 L 代表 Location,7 代表世界七大洲,寓意能为全球位置数据提供可视分析的能力。L7 以图形符号学为理论基础,将抽象复杂的空间数据转化成 2D、3D 符号,通过颜色、大小、体积、纹理等视觉变量实现丰富的可视化表达。 spread retract
TypeScript
MIT
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