ASPRS (American Society for Photogrammetry and Remote Sensing) LAS Specification defines the attributed that can be stored in each point data record format (0 through 10). The chart below provides a summary as to which attributes can be stored in which format.
| Attribute | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
10 |
|
X |
X | X | X | X | X | X | X | X | X | X |
X |
|
Y |
X | X | X | X | X | X | X | X | X | X |
X |
|
Z |
X | X | X | X | X | X | X | X | X | X |
X |
| Intensity | X | X | X | X | X | X | X | X | X | X |
X |
|
Return Number |
X | X | X | X | X | X | X | X | X | X |
X |
|
Number of Returns (given Pulse) |
X | X | X | X | X | X | X | X | X | X |
X |
|
Classification Flags separate from the classification code |
– | – | – | – | – | – | X | X | X | X |
X |
|
Scanner Channel |
– | – | – | – | – | – | X | X | X | X |
X |
|
Scan Direction Flag |
X | X | X | X | X | X | X | X | X | X |
X |
|
Edge of Flight Line |
X | X | X | X | – | X | X | X | X | X |
X |
|
Classification |
X | X | X | X | X | X | X | X | X | X |
X |
|
Scan Angle Rank (-90 to +90) |
X | X | X | X | X | X | – | – | – | – |
– |
|
User Data |
X | X | X | X | X | X | X | X | X | X |
X |
|
Scan Angle |
– | – | – | – | – | – | X | X | X | X |
X |
|
Point Source ID |
X | X | X | X | X | X | X | X | X | X |
X |
|
GPS Time |
– | X | – | X | X | X | X | X | X | X |
X |
|
Red |
– | – | X | X | – | X | – | X | X | – |
X |
|
Green |
– | – | X | X | – | X | – | X | X | – |
X |
|
Blue |
– | – | X | X | – | X | – | X | X | – |
X |
|
NIR |
– | – | – | – | – | – | – | – | X | – |
X |
|
Wave Packet Descriptor Index |
– | – | – | – | X | X | – | – | – | X |
X |
|
Byte offset to waveform data |
– | – | – | – | X | X | – | – | – | X |
X |
|
Waveform packet size in bytes |
– | – | – | – | X | X | – | – | – | X |
X |
|
Return Point Waveform Location |
– | – | – | – | X | X | – | – | – | X |
X |
|
X(t) |
– | – | – | – | X | X | – | – | – | X |
X |
|
Y(t) |
– | – | – | – | X | X | – | – | – | X |
X |
|
Z(t) |
– | – | – | – | X | X | – | – | – | X |
X |
