Extracting Header Attributes
About Extracting Header Attributes
When using the Point Cloud Statistics Extractor one may use the Extract By Files option. One can then select a number of header attributes to save in the extracted summaries. The following is the current list of exportable header attributes and their corresponding field names:
- File name: FName
- Spatial Reference Name: SRS
- File Signature: FileSig
- File Source ID: FileSrcID
- Global Encoding: GlobalEnc
- Project GUID: ProjGUID
- Version: Version
- System Identifier: SystemID
- Generating Software: GenSoft
- File Create Day: CrDay
- File Create Year: CrYear
- Header Size: HdrSize
- Offset to Point Data: PointOff
- Number of VLR Records: NumVLRS
- Point Format ID: PntFormID
- Point Record Length: PntRecLgth
- Number of Point Records: PntCnt
- Number of Points Per Return: RNCnt_# (1-15)
- Scale Factor: XScale, YScale, ZScale
- Offset: XOffset, YOffset, ZOffset
- Extent: XMin, YMin, ZMin, XMax, YMax, ZMax
Please consult the LAS file format specifications for any further explanation of header attributes.
How to Extract Header Attributes
Header Attributes Checkboxes
- On the Point Cloud Statistics Extractor property page, make sure the Extract By Files checkbox is checked.
- On the Header Attributes tab, click each header attribute you wish to include in the extracted summary.
- Click the ‘Apply’ button to commit the changes.
