Pre-defined attributes (attributes with semantic) More...

Enumerations

enum Type {
null, SigmaX = 20, SigmaY = 21, SigmaZ = 22,
ScopSemantic = 23, NormalX = 24, NormalY = 25, NormalZ = 26,
UserData = 31, PointSourceId = 32, GPSTime = 33, LASExtensions = 34,
MaxCurvature = 35, MinCurvature = 36, MaxCurvatureDirection = 37, Residual = 38,
NormalLeftX = 39, NormalLeftY = 40, NormalLeftZ = 41, NormalRightX = 42,
NormalRightY = 43, NormalRightZ = 44, TangentX = 51, TangentY = 52,
TangentZ = 53, TangentSigmaX = 54, TangentSigmaY = 55, TangentSigmaZ = 56,
Amplitude = 58, EchoWidth = 59, CrossSection = 60, EchoNumber = 61,
NrOfEchos = 62, BeamVectorX = 63, BeamVectorY = 64, BeamVectorZ = 65,
EchoWidthNormalised = 66, SpreadAngle = 71, Id = 72, Estimator = 74,
RGIndex = 75, ChannelDesc = 76, Attribute = 77, Confidence = 78,
CustomClassId = 79, RollAngle = 83, PitchAngle = 84, YawAngle = 85,
FileId = 86, LayerId = 87, WinputCode = 88, StructNr = 89,
VertexId = 90, CurveParam = 91, EdgeOfFlightLine = 92, ScanDirection = 93,
SigmaNormalFit = 94, ScanAngle = 95, TiltAngle = 96, Range = 97,
PointLabel = 98, MarkedFlag = 99, EchoRatio = 111, ConstrainedFlag = 112,
NormalEstimationMethod = 113, NormalPtsGiven = 114, NormalPtsUsed = 115, NormalSigma0 = 116,
NormalEigenvalue1 = 117, NormalEigenvalue2 = 118, NormalEigenvalue3 = 119, Red = 122,
Green = 123, Blue = 124, InfraRed = 125, UltraViolet = 126,
PointCode = 127, NormalizedZ = 128, FaceId = 129, SegmentID = 130,
SegmentPtsUsed = 131, ClassificationFlags = 132, Classification = 133, Reflectance = 134,
CumulativeDistance = 136, NormalPlaneOffset = 137, WaterDepth = 138, X0 = 139,
Y0 = 140, Z0 = 141, OmegaAngle = 142, PhiAngle = 143,
KappaAngle = 144, count
}

Detailed Description

Pre-defined attributes (attributes with semantic)

Enumeration Type Documentation

enum Type

Enumerator:

null	undefined semantic
NormalX	x value of normal (unit) vector
NormalY	y value of normal (unit) vector
NormalZ	z value of normal (unit) vector
NormalLeftX	x value of normal vector left to a structure line
NormalLeftY	y value of normal vector left to a structure line
NormalLeftZ	z value of normal vector left to a structure line
NormalRightX	x value of normal vector right to a structure line
NormalRightY	y value of normal vector right to a structure line
NormalRightZ	z value of normal vector right to a structure line
Amplitude	Linear scale value proportional to the receiving power.
EchoWidth	Full width at half maximum [ns].
EchoNumber	This is the k-th return/echo for a certain pulse, where for the first return: k==1 (see LAS spec.)
NrOfEchos	The pulse which this point is based on generated this number of returns/echoes (see LAS spec.)
BeamVectorX	X-component of beam vector (from scanner to point)
BeamVectorY	Y-component of beam vector (from scanner to point)
BeamVectorZ	Z-component of beam vector (from scanner to point)
RollAngle	[radians] as defined by the aviation norm ARINC 705
PitchAngle	[radians] as defined by the aviation norm ARINC 705
YawAngle	[radians] as defined by the aviation norm ARINC 705
ScanAngle	[radians] also: pan angle. Rotation of scanner head around primary axis of scanner (the only axis of 1-D scanners, for 2-D scanners: the pan angle)
TiltAngle	[radians] Rotation of scanner head around secondary axis of scanner (undefined for 1-D scanners)
NormalEstimationMethod	Normal estimator id (0...simple, 1...robust, 2...FMCD)
NormalPtsGiven	Number of points given to the normal estimator.
NormalPtsUsed	Number of points used in the normal estimator.
NormalSigma0	Sigma0 of normal estimation.
NormalEigenvalue1	Highest eigenvalue of normal estimation covariance matrix.
NormalEigenvalue2	Second highest eigenvalue of normal estimation covariance matrix.
NormalEigenvalue3	Third highest eigenvalue of normal estimation covariance matrix.
Red	Red colour channel.
Green	Green colour channel.
Blue	Blue colour channel.
InfraRed	Infrared (IR) colour channel.
UltraViolet	Ultraviolet (UV) colour channel.
PointCode	general alphanumeric point code
NormalizedZ	point height above DTM
FaceId	triangle faces id
SegmentID	unique segment id
SegmentPtsUsed	Number of points contributing to a single segment.
ClassificationFlags	See LAS spec.
Classification	See LAS spec.
CumulativeDistance	See Riegl POF Format Spec.)
NormalPlaneOffset	Offset from the current point to the estimated local plane.
WaterDepth	Water depth of a submerged (bathymetric lidar) point.
X0	Exterior reference point as defined by ORIENT.
Y0	Exterior reference point as defined by ORIENT.
Z0	Exterior reference point as defined by ORIENT.
OmegaAngle	[radians] Rotation angle as defined by ORIENT
PhiAngle	[radians] Rotation angle as defined by ORIENT
KappaAngle	[radians] Rotation angle as defined by ORIENT
count	last column element