Rectangle Packages

High-performance 2D spatial index for rectangles (based on R*-tree with bulk loading and bulk insertion algorithms)

Quickly search for entities in the 2D world with a rectangular range query.

import and use geometical shapes

React draw a detection box on the picture

[](https://www.npmjs.com/package/react-resizable-rotatable-draggable) [](https://standar

draw stuff directly onto a pixel buffer similar to a canvas

Progress circular/rectangular bars to calculate statistics or loading screens.

A rectangle selection tool

Sort shapes (rectangles, polygons, etc) in reading order

A rectangle react component which can be resized and rotated. Works on touch

A rectangle react component which can be resized and rotated. Works on touch

A rectangle react component which can be resized and rotated

This library allows you to select elements in the drag area.

3D Threshold segmentation tool that allows you to segment several slices at once within a freehand ROI, and then apply a threshold to the segmented area.

3D Threshold segmentation tool that allows you to segment several slices at once using a rectangle ROI

Draw S-curved arrows between points or shapes

A packing algorithm for 2D bin packing that allows setting a max width or height. Largely based on code and a blog post by Jake Gordon and Bryan Burgers.

A simple JavaScript interface to DXF written in TypeScript.

Fast static spatial index for rectangles

This package contains the geometric formulas for calculating area.