1. Geomatic Surveyor, Faculty of Engineering, Dept. of Civil Engineering, Universidad de Concepción, Concepcion, Bio Bio 4070409, Chile. ORCID:
2. Associate Professor, Faculty of Engineering, Dept. of Civil Engineering, Universidad de Concepción, Concepcion, Bio Bio 4070409, Chile (corresponding author). ORCID: .
3. Researcher, Faculty of Engineering, Dept. of Civil Engineering, Universidad de Concepción, Concepcion, Bio Bio 4070409, Chile. ORCID:
4. Assistant Professor, School of Surveying Geodesy and Cartography, Dept. of Surveying and Cartography Engineering, Technical Univ. of Madrid (UPM), Madrid, Comunidad de Madrid 28031, Spain.