danieljdufour

Blazing Fast JavaScript Raster Processing Engine

Advanced Array utility functions. Extra arguments for map and forEach including first, last, brk, odd, even, penultimate, and more!

Calculate Band Statistics for an Image

Guess the Layout of Image Pixels. Returns layout in xdim layout syntax.

Convert Nested Numerical Arrays into ImageData Data Array

Get the Precise No Data Value for a GeoTIFF. Avoid Floating Point Arithmetic Issues.

Easily Load an Image. Returns a Promise.

Multi-Dimensional Functions. Create, Query, and Transform Multi-Dimensional Data.

Almost All the Projection Definitions for Proj4js

Create a GeoTIFF Tile using an Inline Web Worker

A Quick and Precise Library for Calculating the Median Value of an Array of Numbers (Typed or Untyped)

Zonal Statistics

Reproject a Bounding Box

Reproject GeoJSON. Works Offline.

Convert Almost Anything to an HTML Canvas.

Super Lightweight Function to Read Pixels in the Browser. Reads Pixels from JPG, PNG, and WebP Files in Multiple Formats, including ArrayBuffer, Data URL, Files, Response, and Typed Array.

🔥 A Quick and Precise Way to get the Median Value of an Array of Numbers (Typed or Untyped)

Get the Depth of a Multi-Dimensional Array of Values

Run Worker Script inside an Iframe

Modern Spatial Reference System Class. Supports EPSG Codes, PROJ4 String, and Well-Known Text.

Gets EPSG Code for Various Inputs (incl. OGC WKT, ESRI WKT, GML, Mapfile, PROJ String, Proj4js String, XML)

Reference Implementation of the Dufour-Peyton Intersection Algorithm. Calculates the Intersections of Arbitrary Polygons with a Geospatial Raster.

Snap a Bounding Box to a Grid

Super Low-Level Raster Reprojection and Resampling Library

Functions for Working with GeoSpatial Canvas Elements

Converts a GeoRaster into a Canvas

Deeply Iterate over Arrays. Like calling array.flat()[Symbol.iterator](), but without the memory cost

Create a Fast Linear Scaling Function. CPU Optimized. Reversible. Rounding.

Get the Palette (aka Color Map) for a GeoTIFF

Get the Numerical No Data Value for a GeoTIFF. Supports Infinity.

Fast Run Length Encoder and Decoder

Finding and Reading Files Made a Little Easier

Bonus Features for Django: More Template Filters like Replace