ISPRS-Archives The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences ISPRS-Archives Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. 2194-9034 Copernicus Publications Göttingen, Germany 10.5194/isprs-archives-XLII-2-W13-737-2019 PREFACE – ISPRS WORKSHOP INDOOR 3D 2019 Kang Z. ¹ Khoshelham K. ² Díaz-Vilariño L. ³ Dalyot S. ⁴ 1 China University of Geosciences, Beijing, China 2 Department of Infrastructure Engineering, The University of Melbourne, Australia 3 Applied Geotechnologies Group, Dept. of Natural Resources and Environmental Engineering, University of Vigo, Spain 4 Technion – Israel Institute of Technology, Technion City, Haifa 3200003, Israel 05 06 2019 XLII-2/W13 737 737 Copyright: © 2019 Z. Kang et al. 2019 This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this licence, visit https://creativecommons.org/licenses/by/4.0/ This article is available from https://isprs-archives.copernicus.org/articles/XLII-2-W13/737/2019/isprs-archives-XLII-2-W13-737-2019.html The full text article is available as a PDF file from https://isprs-archives.copernicus.org/articles/XLII-2-W13/737/2019/isprs-archives-XLII-2-W13-737-2019.pdf