In addition to the generic FME feature attributes that FME Workbench adds to all features (see About Feature Type Attributes), this format also adds format-specific attributes (Format Attributes).
|
Attribute Name |
Contents |
|---|---|
| las_type | This will always be las_point_cloud. |
| las_file_creation_date | The date on which this file was created (LAS 1.1 and 1.2), or the date on which the data was collected (LAS 1.0). |
| las_file_source_id | The file source ID. A value of zero is interpreted to mean that an ID has not been assigned. |
| las_generating_software | Description of the generating software. |
| las_gps_time_type | Specifies the meaning of GPS Time in the Point Records. Only present in LAS 1.2 or later. A value of 0 indicates that GPS time in the point record fields is GPS Week Time (the same as previous versions of LAS). A value of 1 indicates that GPS Time is standard GPS Time (satellite GPS Time) minus 1 x 109. The offset moves the time back to near zero to improve floating point resolution. |
| las_project_id | A complete Globally Unique Identifier to serve as a project ID. By assigning a Project ID and using a File Source ID (defined above) every file within a project and every point within a file can be uniquely identified, globally. |
| las_synthetic_returns | Specifies whether return numbers have been synthetically generated. |
| las_system_identifier | A string identifying the hardware system or operation that generated the data. |
| las_version | The version of the LAS file. |
| las_vertical_coordsys_code | The EPSG code identifying the vertical coordinate system. |
| las_vertical_datum_code | The EPSG code identifying the vertical datum. |
| las_vertical_units_code | The EPSG code identifying the units of the vertical coordinate system. |
| las_zlas_rearranged_points | Specifies whether points were rearranged when applying zLAS compression. |