Ákos Halmai's repositories
SL3Reader
It is a tiny C# app, which is able to read SL3 sonar log files made by Lowrance & Simard devices and export the frame headers into a CSV text file. For details see & cite the following publication: Halmai, Ákos, Alexandra Gradwohl–Valkay, Szabolcs Czigány, Johanna Ficsor, Zoltán Á. Liptay, Kinga Kiss, Dénes Lóczy, and Ervin Pirkhoffer. 2020. "Applicability of a Recreational-Grade Interferometric Sonar for the Bathymetric Survey and Monitoring of the Drava River" ISPRS International Journal of Geo-Information 9, no. 3: 149. https://doi.org/10.3390/ijgi9030149 https://www.mdpi.com/2220-9964/9/3/149
eov2etrs
Transformation between Hungarian EOV and ETRS89 based on proj grids
HyperionGeo
Small tools for GIS calculations.
lerc
Limited Error Raster Compression
SimpleUBGNSS
Simple, experimental UBX reader for u-blox GNSS. Under construction.