Point Data Record Format (PDRF)

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

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