issueid #389 bugfixes in track stats refactored code
issueid #389 bugfixes in track stats refactored code

meteo-ubonn/meanie3D,meteo-ubonn/meanie3D,meteo-ubonn/meanie3D,meteo-ubonn/meanie3D,meteo-ubonn/meanie3D,meteo-ubonn/meanie3D