= Useful Links = This page lists software and web pages that you may find useful. Obviously plenty of other software exists and may be useful, but these are some of the ones we know of and have found useful. == ARSF-relevant == * [http://arsf.nerc.ac.uk/ Main ARSF home page] This is the home page for the overall ARSF facility (not just the data processing part) * [http://www.neodc.rl.ac.uk/?option NERC Earth Observation Data Centre] The archive of ARSF data is publicly available here (after registration) * [http://fsf.nerc.ac.uk/ NERC Field Spectroscopy Facility] * [http://www.nerc.ac.uk/ Natural Environment Research Council] NERC is the funding body for ARSF * [https://github.com/pmlrsg/arsf_tools ARSF Tools on GitHub] A collection of tools for working with ARSF data (including reading LiDAR data in LAS 1.3 format) == LiDAR == '''Software''' ''FW'' - Supports full waveform data. * [http://www.cs.unc.edu/~isenburg/lastools/ LAStools] Toolbox for processing of LiDAR data (open source and commercial components, source available from [https://github.com/LAStools/LAStools GitHub]) * [http://pythonhosted.org/laspy/ Laspy] A Python library for working with LAS files * [http://geo.tuwien.ac.at/opals/html/index.html OPALS] Software for processing discrete and full waveform LiDAR data (commercial, academic licenses available). ''FW'' * [http://www.spdlib.org/doku.php SPDLib] Open source library for storing and processing discrete and full waveform LiDAR data. Supports reading/writing LAS and ASCII files. ''FW'' * [https://github.com/CRREL/points2grid/ points2grid] A tool for generating DEMs from LAS and ASCII files. Need to [wiki:Processing/LidarNoisyPoints remove noisy points] first. * [http://forsys.cfr.washington.edu/fusion/fusionlatest.html FUSION] * [https://github.com/PulseWaves/PulseWaves PulseWaves] Tools for working with full waveform data, and library for reading full waveform data in the pulsewaves format. (open and closed source components). ''FW'' * [https://github.com/carbomap/Fleurdelas Fleurdelas] An open-source IDL reader/writer for LAS files * [http://www.liblas.org/ LibLAS] C/C++ library for reading/writing LAS files (largely replaced with LASlib from LAStools and laspy) * [https://github.com/arsf/lag LAG] Github page for our in-house LiDAR viewer * [https://bitbucket.org/petebunting/spd-3d-points-viewer SPD 3D Points Viewer] Tool for 3D visualisation of LiDAR data in SPD format. ''FW'' * [http://plas.io/ plasio] Online LAS file viewer ([https://github.com/verma/plasio source code]) * [http://lidarview.com/ Lidarview] Another online LAS file viewer * [http://www.fugroviewer.com/ fugroviewer LiDAR viewer] (requires registration) * [http://pfmabe.software/ Pure File Magic Area-Based Editor (PFMABE)] - Capable of visualising waveforms in LAS 1.3 files ''FW'' * [http://fityk.nieto.pl/ fityk] curve fitting tool (useful for full waveform LiDAR data). Free for version 0.9.8 and older.''FW'' * [http://scigeo.org/articles/howto-install-latest-geospatial-software-on-linux.html Installing geospatial software on Linux]. Instructions on how to install a number of packages from source under Ubuntu / CentOS. '''Tutorials''' * [wiki:Downloads/Tutorials ARSF lidar tutorials]. Covers creating a DEM and extracting waveforms. * [http://rapidlasso.com/2013/04/20/tutorial-quality-checking/ LAStools tutorial part 1] on quality checking * [http://rapidlasso.com/2013/10/13/tutorial-lidar-preparation/ LAStools tutorial part 2] on lidar preparation * [http://rapidlasso.com/2013/10/20/tutorial-derivative-production/ LAStools tutorial part 3] on DEM generation * [http://docs.qgis.org/2.6/en/docs/training_manual/forestry/basic_lidar.html Create a DEM using LAStool in QGIS] tutorial on using LAStools to create a DEM within QGIS * [http://sourceforge.net/projects/spdlib/files/Tutorials/ SPDLib Tutorials] Links to download data and workshop material for courses on SPDLib. Cover creating a DSM/DTM and processing using a HPC. * [https://spectraldifferences.wordpress.com/2014/08/06/dem-spdlib/ Creating a DTM/DSM using SPDLib] '''Other''' * [https://groups.google.com/forum/#!forum/lastools/ LAStools Google groups] Forum for discussion of LAStools * [https://groups.google.com/forum/#!forum/pulsewaves PulseWaves Google groups] Forum for discussion of PulseWaves - also some general full waveform discussion == Hyperspectral == '''Software''' * [https://github.com/arsf/apl APL] Github page for our in-house hyperspectral processing code * [http://www.rese.ch/products/atcor/atcor4/ ATCOR] Program for atmospheric correction of spectral remote sensing data * [https://bitbucket.org/arsf/tuiview TuiView (ARSF Fork)] Open source geospatial image viewer, supports viewing spectral profiles and opening zipped bil files (as provided with ARSF deliveries). ARSF fork reads level1b files by default. Details of original version, which contains patches by ARSF, available from [http://tuiview.org/ here] '''Tutorials''' * [http://fromgistors.blogspot.com/2014/10/supervised-classification-of-hyperspectral.html Hyperspectral classification in QGIS] Blog post describing supervised classification of hyperspectral data using QGIS. * [http://speclab.cr.usgs.gov/PAPERS.calibration.tutorial/ Surface Reflectance Calibration] USGS tutorial on calibrating data to surface reflectance. == Digital Photography == * [http://www.sno.phy.queensu.ca/~phil/exiftool/ ExifTool] for reading tags in RCD tiff images. == General == '''Software''' * [http://www.exelisvis.co.uk/ProductsServices/ENVIProducts.aspx ENVI] Commercial geospatial image viewer. * [http://www.gdal.org/ GDAL] Geospatial Data Abstraction Library. An open source library for reading/writing common raster formats. Also provides a number of command line [http://www.gdal.org/gdal_utilities.html utilities] for converting file formats, reprojecting data, creating mosaics etc. * [http://grass.fbk.eu/ GRASS] Open source GIS (powerful and full featured, but with a steep learning curve). * [http://qgis.org/en/site/ QGIS] Open source GIS package, latest version provides interface to GRASS tools. * [http://trac.osgeo.org/osgeo4w/ OSGeo4W] Windows installation package for a number of open source remote sensing and GIS software packages (including GDAL, GRASS and QGIS). * [http://trac.osgeo.org/proj/ PROJ4 cartographic projections library] useful for re-projecting point data but can be difficult to use. * [https://bitbucket.org/chchrsc/rios/ Raster I/O Simplification (RIOS)] Python library built on top of GDAL for raster processing. Reads and writes data in tiles and passes blocks of data as NumPy arrays for efficient processing of large datasets. * [http://rsgislib.org/ RSGISLib] The Remote Sensing and GIS Library. A collection of tools for processing remote sensing and GIS datasets accessed using Python bindings