TY - JOUR A1 - Otero, R. A1 - Lagüela, S. A1 - Arias, P. T1 - ALGORITHM FOR THE COUNTERCLOCKWISE ORDERING OF VERTEXES OF SLANTED SURFACES TOWARDS THE GENERATION OF SEMANTIC GBXML MODELS JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLIII-B4-2021 SP - 375 EP - 381 Y1 - 2021/06/30 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLIII-B4-2021/375/2021/ L1 - https://isprs-archives.copernicus.org/articles/XLIII-B4-2021/375/2021/isprs-archives-XLIII-B4-2021-375-2021.pdf DO - 10.5194/isprs-archives-XLIII-B4-2021-375-2021 ER -