In some cases hardware manufacturers and/or software are not properly setting the GPS Timestamps in an LAS file according to the LAS specification. That specification dictates that the timestamp for LIDAR points be stored in either weekseconds or Adjusted GPS Standard time. This is very important as the tools within TerraScan and other software expects the…
Symptom: User receives an error message stating “An error occurred. Detailed Description: NIIRS10.Repository.Shared.GCRepositoryException: Error writing parameter ‘GEOCUE_SYM_FILTER_INDEX’ for ProjectID = ‘0’ Username = ‘gcuser’ Appname ‘geocue System.Data.SQLClient.SQLException (0x80131904): The log for database ‘geocue’ is not available. Check the event log for related error messages. Resolve any errors and restart the database….” Probable Resolution: The error…
LP360 Tutorials The LP360 tutorials are designed for new users of LP360. They provide the basics for getting you started with displaying and working with LIDAR data. These tutorials are designed for you to view alongside LP360, while performing all the same tasks that you see displayed. Data Needed for the Tutorials You will need…
Note: While LASGUID.exe is still an option within the product, the introduction of LAS File Analyst in v2018.1 provides a more efficient tool for assigning the GUID, and is now the recommended tool. The LAS file specifications define the “Project ID (GUID data): The four fields that comprise a complete Globally Unique Identifier (GUID) are…
Quality control and quality assurance checks for LIDAR data continue to evolve as the industry identifies new ways to help ensure that data collections meet desired usage requirements. The U.S. Geological Survey (USGS) LIDAR Base Specification introduced a definition for spatial density distribution and regularity within LIDAR data. The requirement is that the spatial distribution…
