This document contains a list of all external libraries, software packages and data used in the OPALS program system.

Third party software

GDAL - Geospatial Data Abstraction Library (including ECW support)
BOOST - peer-reviewed portable C++ source libraries
CGAL - Computational Geometry Algorithms Library
MPIR - Multiple Precision Integers and Rationals
MPFR - Multiple Precision Floating-point computation library
Crypto++ - C++ class library of cryptographic schemes
Newmat - matrix library
Python - Programming Language
ShapeLib - C library for reading and writing ESRI shapefiles
SpatialIndex - Spatial Index C++ library
OpenCV - Open Source Computer Vision library
expat - XML parser Library written in C
Xerces - XML parser Library written in C++
stringencoders - high performance c-string transformations
LASlib - C++ library for reading and writing LAS and LAZ files
ERDAS ECW/JP2 SDK - desktop read-only version for decoding ECW files
OpenJPEG - library for reading and writing JPEG 2000 files
rdblib - library for reading and writing Riegl rdbx files
riwavelib - library for reading Riegl fullwave sdf and wfm files
zstd - library for fast lossless compression algorithm (usable within GDAL)

All third party license files can be found in the $OPALS_ROOT/licenses_3rdPartySoftware directory.

Note on LASLib: In accordance with its licence, we link LASlib dynamically, with a custom-made shared library of LASlib, LAS_TOOLS_VERSION 190812, where symbols for the following classes have additionally been exported: LASindex, LASreaderLAS, LASzip.

The documentation is generated by Doxygen.

Third party data

The following table summarizes the datasets used in the $OPALS_ROOT/demo/ directory. See below for the terms of use.

Filename	EPSG	Format	Sensor	Type	Owner
Dischmatal_fwf.sdf	25832	SDF	LMS-Q680i	Full waveform Sample Data File (alpine area, Switzerland)	WSL
Dischmatal_tra.txt	25832	ASCII	-------—	Trajectory (x,y,z,t,roll,ptich,yaw)	WSL
flyover.laz	5650	LAS	LMS-Q680i	3D ALS point cloud (highway flyover, Germany, ground points only)	AfGVK M-V
flyover_breaklines.shp	5650	SHAPE	------—	3D structure lines derived from `flyover.laz` point cloud	AfGVK M-V
strip??.laz	25833	LAS	LMS-Q1560	3D ALS point cloud (residential area, Austria, AoI of 6 flight strips)	Riegl LMS
strip11_500ms.sdf	25833	SDF	LMS-Q1560	Full Waveform Sample Data File (residential area, Austria)	Riegl LMS
TrjStrips_utm33.txt	25833	ASCII	-------—	Trajectory (x,y,z,t,roll,ptich,yaw)	Riegl LMS
railway.laz	25833	LAS	LMS-Q1560	3D ALS point cloud (residential area, Austria, ground pts classified)	Riegl LMS
strip149.las	25833	LAS	VQ-820-G	3D topo-bathymetric point cloud (river area, Austria)	Riegl LMS
dbh/trees.laz	--—	LAS	VZ-2000	3D TLS point cloud of trees	GEO/TU Wien
waterSurface.tif	25833	GeoTiff	-------—	River water surface model (river area, Austria)	GEO/TU Wien
albis.tif	21781	GeoTiff	-------—	Digital Terrain Model (raster) (Albis, Switzerland)	swisstopo
roomScan*.tif	--—	LAS	Z+F Imager 5010	3D TLS point cloud of interior	GEO/TU Wien
lionScan*.tif	--—	LAS	Minolta VIVID 900	3D TLS point cloud of lion toy model	GEO/TU Wien
classify/niederrhein.laz	25832	LAS	LMS-Q560	Manually Classified Full Waveform Data File (river area, Germany)	BfG
photoBathyPts.laz	25832	LAS	PhaseOne	Raw 3D points obtained via photo bathymetry	IfP, University of Stuttgart
photoBathy*	25832	various	-------—	Camera orientation (ascii), water surface model (tif) and format defintion (xml)	IfP, University of Stuttgart
211125_112749_1.rdbx	--—	RDB	Riegl VQ-840-G	3D topo-bathymetric UAV-LiDAR point cloud	Skyability GmbH

Data terms of use

The demo data listed above are the property of the institutions named as Owner. The usage is limited to instructional purposes demonstrating the functionality of the program system OPALS (TU Wien, Department for Geodesy and Geoinformation). Commercial use of the data is prohibited. The right of usage is granted for academic purposes (teaching and research) in case proper credit is given to the software and data owner.