Kurt Schwehr

A list of key events in the history of Geographic Information Systems (GIS) and spatial data processing.

C++ decoder for Automatic Identification System for tracking ships and decoding maritime information

Introduction to scientific computing. Started in 2011 at the University of New Hampshire by Kurt Schwehr.

An extensive reference for the maritime Automatic Identification System (AIS)

A Gemini LLM generated book covering S-5A_Ed1.0.2.pdf. This is entirely experimental. Expect this book to be full of errors.

A Gemini LLM generated book covering Digital Elevation Models (DEM). This is entirely experimental. Expect this book to be full of errors.

Pure python AIS decode and encode

This is a collection of Matlab functions that are useful in the development of target tracking algorithms.

Sonar Generic Sensor Format (gsf) codec

Reference library for the IMO Circ 289 AIS Binary Message for timed zone messages

Bathymetry Attributed Grids (BAG) utilities in python

segy parsing in python

manipulating marine seismic reflection and refraction data

Multibeam sonar processing

3D volumetric visualization tools. Heavily dependent on Coin/OpenInventor

A bunch of code I wrote while taking taking Jonathan Beaudoin's short course on reading multibeam data. This code is released under the Apache 2 license

degrib starting with 2.03 (minus zlib libpng, jpeg2000 netcdf libxml gd)

Python and JavaScript bindings for calling the Earth Engine API.

No description.

This is not an official gpsd repository

Samples from many programming languages and config files

A Python package for interactive mapping with Google Earth Engine, ipyleaflet, and ipywidgets.

Community Datasets added by users and made available for use at large

A set of open source Python scripts that wrap functionality of the Python GEE API, that can be added to ArcGIS Pro desktop application as a Python toolbox.

The best ChatGPT that $100 can buy.

unittests based on gunit for C++ and Python's unittest module for GDAL

Army Corps of Engineers (ACOE) Pure File Magic (PFM) point editor (US Government public domain code)

An AIS parser written in Rust

Aiming towards a book about all the things one needs to know about working at sea collecting data

Sidescan sonar processing

PDAL is Point Data Abstraction Library. GDAL for point cloud data.

Capture a single image from a camera on the Mac (fork of ImageSnap by Robert Harder)

Python-based tools for paleomagnetic research

Parser for the CARIS CAF/CBF Lidar waveform format

C++ logging library for debugging and tracing. Meant to be quick to learn.

Experiment in using Jules to improve libais

Geometry Engine, Open Source

A work space to try out cleanup of geemap

Limited Error Raster Compression

HDF5 for Python -- The h5py package is a Pythonic interface to the HDF5 binary data format.

Validator for the stac-spec

Python interface to PROJ (cartographic projections and coordinate transformations library)

A sandboxed JavaScript interpreter in JavaScript.

GDAL is an open source X/MIT licensed translator library for raster and vector geospatial data formats.

Mirror of libaec - Adaptive Entropy Coding library

Simple Python tool to generate JSDoc

Google Earth Engine Asset Manager with Addons

Python library for working with any SpatioTemporal Asset Catalog (STAC)

A conda-smithy repository for earthengine-api.

Earth Engine Public Data Catalog in STAC form

Kepler.gl is a powerful open source geospatial analysis tool for large-scale data sets.

Build and share data reports in 100% Python

🐶 🕵️ Great Dane turned Python environment detective

A conda-smithy repository for geemap.

Vectorized vector I/O using OGR

Interactive Code Editor-style reprs for Earth Engine objects in a Jupyter notebook

Lumino is a library for building interactive web applications

This library reads and writes ESRI Shapefiles in pure Python.

A custom widget for returning mouse and keyboard events to Python. Documentation:

Pythonic interface to netCDF4 via h5py

Python-based tidal prediction software

Official git repository for libdivide: optimized integer division

Rasterio reads and writes geospatial raster datasets

reusable widgets made easy

No description.

No description.

fork of python descartes -- bitbucket.org/sgillies/descartes

Python package for manipulation and analysis of features in the Cartesian plane

Official repository of the libgeotiff project

GDAL-GRASS GIS driver (https://github.com/OSGeo/gdal-grass/blob/main/docs/grass_raster.md and https://github.com/OSGeo/gdal-grass/blob/main/docs/grass_vector.md)

Java manipulation of XML made easy

Jsonnet rules for Bazel

Python wrapper around the NCSA HDF version 4 library

Landscape Change Monitoring System

The CWP/SU: Seismic Un*x Package - a free open seismic processing, research, and educational software package.

Python interface to the Google Earth Engine implementation of the LandTrendr spectral-temporal segmentation algorithm.

Python module for hyperspectral image processing

PROJ.4 - Cartographic Projections Library

shapelib - experiments in cleanup

No description.

Textual is a Rapid Application Development framework for Python. Build sophisticated user interfaces with a simple Python API. Run your apps in the terminal and (coming soon) a web browser!

Traitlets types for NumPy, SciPy and friends

HDF4 Library

Temporary collaboration space to build Earth Engine manifests for the USGS RCMAP rangeland datasets

https://www.nauticalcharts.noaa.gov/data/bluetopo.html

Converts floating point numbers to decimal strings

Clone of clone git://linux-nfs.org/~steved/libtirpc

Lightweight, pure-Python Text User Interface (TUI) widget toolkit with minimal dependencies. Dedicated to the Pycopy project.

Python Terminal Toolkit

Package descriptions and patches for Fink

The Unidata netcdf-java library

Tools for working with SMAP L4C and Terrestrial Carbon Flux (TCF) Model data

A python library for Argo data beginners and experts

About Kurt Schwehr

A simple repository

Jsonnet - The data templating language

API and utility for arithmetic manipulation of units of physical quantities

A Vue-based STAC browser intended for static + dynamic deployment

SpatioTemporal Asset Catalog specification - making geospatial assets openly searchable and crawlable

The Common Data Access toolset

Sentinel Hub Cloud Detector for Sentinel-2 images in Python

Download and process satellite imagery in Python scripts using Sentinel Hub services.

Converts Edgetech jsf formatted sub bottom files to Segy Rev 1 formatted files.

List selected values of an Edgetech .jsf file

Parse and list the message types of an Edgetech sonar .jsf file.

Python API to access ECMWF archive

No description.

No description.

Linux and Mac OSX system setups

AIS Parser SDK

Official GeoTools repository

The JTS Topology Suite is a Java library for creating and manipulating vector geometry.

Data harmonization toolset for scientific earth observation data

Hierarchical Data Format (HDF) 5

Patching HDF4 starting with 4.2.10

https://github.com/json-c/json-c is the official code repository for json-c. See the wiki for release tarballs for download.

jupyter notebooks

The CocoaPods Master Repo

The NASA Vision Workbench is a general purpose image processing and computer vision library developed by the Autonomous Systems and Robotics (ASR) Area in the Intelligent Systems Division at the NASA Ames Research Center.

No description.

A simple C language API for reading, writing, and updating LAS 1.0, 1.1, and 1.2 format data files

python module for GDP

NMEA parser for the USCG Healy research ice breaker in Python

Mac OSX fink experimental package tree.

Distribute interdependent tasks to 0 or more threads

Cheetah, the Python-powered templating engine

Temporary repo to try out some C style changes

A range of sample IPython Notebooks

autoconf / automake / libtools examples