The lineclip npm package is a JavaScript library used for clipping lines and polygons to rectangular bounding boxes. It is useful in geographic information systems (GIS) and other applications where you need to clip geometries to a specific area.
Line Clipping
This feature allows you to clip a line to a rectangular bounding box. The code sample demonstrates how to clip a line that crosses the bounding box defined by the coordinates [-5, -5, 5, 5].
const lineclip = require('lineclip');
const line = [[-10, 10], [10, -10]];
const bbox = [-5, -5, 5, 5];
const clippedLine = lineclip(line, bbox);
console.log(clippedLine);Polygon Clipping
This feature allows you to clip a polygon to a rectangular bounding box. The code sample demonstrates how to clip a polygon that extends beyond the bounding box defined by the coordinates [-5, -5, 5, 5].
const lineclip = require('lineclip');
const polygon = [[-10, 10], [10, 10], [10, -10], [-10, -10], [-10, 10]];
const bbox = [-5, -5, 5, 5];
const clippedPolygon = lineclip.polygon(polygon, bbox);
console.log(clippedPolygon);The martinez-polygon-clipping package provides advanced polygon clipping capabilities, including union, intersection, difference, and XOR operations. It is more feature-rich compared to lineclip, which focuses primarily on clipping lines and polygons to rectangular bounding boxes.
Turf is a comprehensive geospatial analysis library for JavaScript. It includes a wide range of functionalities, including clipping, buffering, and spatial analysis. While lineclip is specialized in clipping lines and polygons to bounding boxes, Turf offers a broader set of geospatial tools.
A very fast JavaScript library for clipping polylines and polygons by a bounding box.
lineclip(
[[-10, 10], [10, 10], [10, -10]], // line
[0, 0, 20, 20]); // bbox
// returns [[[0, 10], [10, 10], [10, 0]]]
points — an array of [x, y] pointsbbox — a bounding box as [xmin, ymin, xmax, ymax]result — an array to append the results toReturns an array of clipped lines.
lineclip is an alias to lineclip.polyline.
Returns a clipped polygon.
Install with NPM:
npm install lineclip
To build a browser-compatible version, clone the repository locally, then run:
npm install -g browserify
browserify -s lineclip index.js > lineclip.js
[[]] instead of [].lineclip.polygon).FAQs
A fast polyline and polygon clipping library.
The npm package lineclip receives a total of 313,413 weekly downloads. As such, lineclip popularity was classified as popular.
We found that lineclip demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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