ILasHeaderInfo Interface

Provides access to the header information of LAS files.

Members

	Name	Description
	Extent	The XYZ extent of points in the LAS file.
	FileSourceID	The LAS file's source ID.
	FlightDateJulian	The flight date based on the Julian calendar.
	GeneratingSoftware	The software used to create the LAS file.
	GetNumberOfPointsByReturn	The number of points in the LAS file based on the specified LiDAR return number.
	GetOffsets	The coordinate offsets.
	GetScaleFactors	The coordinate scale factors.
	GetVariableLengthRecords	The variable length record info.
	GetVersion	The version of the LAS file.
	HasGpsTime	Indicates GPS time is available.
	HasRGB	Indicates if RGB is availabe.
	IsStandardGpsTime	Indicates if the GPS time is standard GPS Time.
	NumberOfPointRecords	The number of points in the LAS file.
	NumberOfVariableLengthRecords	The number of variable length records in the LAS file.
	PointDataFormat	The record format for points in the LAS file
	ProjectID	The LAS file's project ID.
	SpatialReference	The spatial reference of the LAS file.
	SystemID	The hardware system used to collect the LiDAR data in the LAS file.
	Year	The year the data in the LAS file was collected.

ILasHeaderInfo.Extent Property

The XYZ extent of points in the LAS file.

Public ReadOnly Property Extent As IEnvelope

public IEnvelope Extent {get;}

ILasHeaderInfo.FileSourceID Property

The LAS file's source ID.

Public ReadOnly Property FileSourceID As Integer

public int FileSourceID {get;}

ILasHeaderInfo.FlightDateJulian Property

The flight date based on the Julian calendar.

Public ReadOnly Property FlightDateJulian As Integer

public int FlightDateJulian {get;}

ILasHeaderInfo.GeneratingSoftware Property

The software used to create the LAS file.

Public ReadOnly Property GeneratingSoftware As String

public string GeneratingSoftware {get;}

ILasHeaderInfo.GetNumberOfPointsByReturn Method

The number of points in the LAS file based on the specified LiDAR return number.

Public Function GetNumberOfPointsByReturn ( _
    ByVal ReturnNumber As Integer _
) As Double

public double GetNumberOfPointsByReturn (
    int ReturnNumber
);

ILasHeaderInfo.GetOffsets Method

The coordinate offsets.

Public Sub GetOffsets ( _
    ByRef pOffsetX As Double, _
    ByRef pOffsetY As Double, _
    ByRef pOffsetZ As Double _
)

public void GetOffsets (
    ref double pOffsetX,
    ref double pOffsetY,
    ref double pOffsetZ
);

ILasHeaderInfo.GetScaleFactors Method

The coordinate scale factors.

Public Sub GetScaleFactors ( _
    ByRef pFactorX As Double, _
    ByRef pFactorY As Double, _
    ByRef pFactorZ As Double _
)

public void GetScaleFactors (
    ref double pFactorX,
    ref double pFactorY,
    ref double pFactorZ
);

ILasHeaderInfo.GetVariableLengthRecords Method

The variable length record info.

Public Sub GetVariableLengthRecords ( _
    ByRef ppUserIDs As IStringArray, _
    ByRef recordIDs As ILongArray, _
    ByRef ppRecordLengths As IDoubleArray, _
    ByRef ppDescriptions As IStringArray, _
    ByRef pbOverLimit As Boolean _
)

public void GetVariableLengthRecords (
    ref IStringArray ppUserIDs,
    ref ILongArray recordIDs,
    ref IDoubleArray ppRecordLengths,
    ref IStringArray ppDescriptions,
    ref bool pbOverLimit
);

ILasHeaderInfo.GetVersion Method

The version of the LAS file.

Public Sub GetVersion ( _
    ByRef pMajor As Integer, _
    ByRef pMinor As Integer _
)

public void GetVersion (
    ref int pMajor,
    ref int pMinor
);

ILasHeaderInfo.HasGpsTime Property

Indicates GPS time is available.

Public ReadOnly Property HasGpsTime As Boolean

public bool HasGpsTime {get;}

ILasHeaderInfo.HasRGB Property

Indicates if RGB is availabe.

Public ReadOnly Property HasRGB As Boolean

public bool HasRGB {get;}

ILasHeaderInfo.IsStandardGpsTime Property

Indicates if the GPS time is standard GPS Time.

Public ReadOnly Property IsStandardGpsTime As Boolean

public bool IsStandardGpsTime {get;}

ILasHeaderInfo.NumberOfPointRecords Property

The number of points in the LAS file.

Public ReadOnly Property NumberOfPointRecords As Double

public double NumberOfPointRecords {get;}

ILasHeaderInfo.NumberOfVariableLengthRecords Property

The number of variable length records in the LAS file.

Public ReadOnly Property NumberOfVariableLengthRecords As Double

public double NumberOfVariableLengthRecords {get;}

ILasHeaderInfo.PointDataFormat Property

The record format for points in the LAS file.

Public ReadOnly Property PointDataFormat As Integer

public int PointDataFormat {get;}

ILasHeaderInfo.ProjectID Property

The LAS file's project ID.

Public ReadOnly Property ProjectID As UID

public UID ProjectID {get;}

ILasHeaderInfo.SpatialReference Property

The spatial reference of the LAS file.

Public ReadOnly Property SpatialReference As ISpatialReference

public ISpatialReference SpatialReference {get;}

ILasHeaderInfo.SystemID Property

The hardware system used to collect the LiDAR data in the LAS file.

Public ReadOnly Property SystemID As String

public string SystemID {get;}

ILasHeaderInfo.Year Property

The year the data in the LAS file was collected.

Public ReadOnly Property Year As Integer

public int Year {get;}

Classes that implement ILasHeaderInfo

Classes	Description
LasHeaderInfo	Esri LAS header info object.