TerraScan LAS v1.4 Flagged classes

TerraScan’s implementation of flags on classes show in all tools and routines as a classification number. It can be handy to know how the classes correspond with the classification code and classification flags of the LAS v1.4 specification to better understand how to quickly modify your routines, macros, tool buttons, etc.

Table 1 – TerraScan LAS v1.4 Classes

Class Number  Class Definition
0-63 Reserved for ASPRS Classification
64-255 User Definable
256-319 ASPRS Classifications plus Synthetic Flag
320-511 User Definable Classifications plus Synthetic Flag
512-575 ASPRS Classifications plus Keypoint Flag
576-767 User Definable Classifications plus Keypoint Flag
768-831 ASPRS Classifications plus Synthetic and Keypoint Flag
832-1023 User Definable Classifications plus Synthetic and Keypoint Flag
1024-1087 ASPRS Classifications plus Withheld Flag
1088-1279 User Definable Classifications plus Withheld Flag
1280-1343 ASPRS Classifications plus Synthetic and Withheld Flag
1344-1535 User Definable Classifications plus Synthetic and Withheld Flag
1536-1599 ASPRS Classifications plus Keypoint and Withheld Flag
1600-1791 User Definable Classifications plus Keypoint and Withheld Flag
1792-1855  ASPRS Classifications plus Synthetic, Keypoint and Withheld Flag
 1856-2047  User Definable Classifications plus Synthetic, Keypoint and Withheld Flag
 2048-2111 ASPRS Classifications plus Overlap Flag
 2112-2303 User Definable Classifications plus Overlap Flag
2304-2367 ASPRS Classifications plus Synthetic and Overlap Flag
2368-2559 User Definable Classifications plus Synthetic and Overlap Flag
2560-2623 ASPRS Classifications plus Keypoint and Overlap Flag
2624-2815 User Definable Classifications plus Keypoint and Overlap Flag
2816-2879 ASPRS Classifications plus Synthetic, Keypoint and Overlap Flag
2880-3071 User Definable Classifications plus Synthetic, Keypoint and Overlap Flag
3072-3135 ASPRS Classifications plus Withheld and Overlap Flag
3136-3327 User Definable Classifications plus Withheld and Overlap Flag
3328-3391 ASPRS Classifications plus Synthetic, Withheld and Overlap Flag
3392-3583 User Definable Classifications plus Synthetic, Withheld and Overlap Flag
3584-3647 ASPRS Classifications plus Keypoint, Withheld and Overlap Flag
3648-3839 User Definable Classifications plus Keypoint, Withheld and Overlap Flag
3840-3903 ASPRS Classifications plus Synthetic, Keypoint, Withheld and Overlap Flag
3904-4095 User Definable Classifications plus Synthetic, Keypoint, Withheld and Overlap Flag

Download an example TerraScan Point Class Table (PTC) for LAS v1.4 PDRF 6-10

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