GeoCue Support has written 725 articles

Terminating Task in Dispatch Manager

Problem: The following error may be encountered while attempting to terminate a task in the Dispatch Manager: “An error occurred terminating the selected tasks. Detailed Description: System.NullReferenceException: Object not set to an instance of an object. …”   Solution: Errant tasks such as this can be deleted from the system through the use of the…

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Import Multiple Scanner Data

GeoCue has the ability to import source LIDAR strips with multiple scanners and assign the scanner number to the User Byte in the LAS format. The User Byte is what TerraScan uses for the scanner since no scanner attribute existed before LAS v1.4, and the field, even in LAS v1.4 is limited to a small…

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Mapping Mangroves in LP360

A Pennsylvania State University Student Project by Travis Meyer   Introduction Mangroves fulfill an important niche in wetland ecology and play a significant role in modifying the global carbon budget. They harbor and provide shelter for the offspring of many species of water birds, fish, and reptiles, and sequester close to five times the amount…

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CueTip – County Coordinate Systems

When working with data in county coordinate systems, the definitions of datum transformations are important. The steps in this CueTip provide recommendations and an example of such a project; beginning from project setup, to selecting appropriate Coordinate Reference Systems (CRSs), to properly defining the coordinate transformations. Please consult with your surveyor to determine the appropriate…

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Crash when reading in lots and lots of LAS Data

Problem: An LP360 crash can occur when attempting to read in a lot of files. This can occur when opening the ‘Add Files’ dialog and browsing to the files’ location to add them into the session. Due to the way that browsing control works, this can get overwhelmed with a large number of files, causing…

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Breakline Buffer Classifications

Buffer classifications (or Ignored Ground in the USGS Lidar Base Specification) are those classes that are assigned to LAS points that are within a user defined-distance of breaklines. Points that are assigned to these classes are excluded from the surface when using breakline enforcement. Typical distances used are one quarter to one half the nominal…

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Regedit for Population Error

Problem: While attempting to populate LAS Working Segments the process errors with an exception. In the system message column of the Checklist Step History you note the following exception: System.ArgumentException: Source array was not long enough. Check srcIndex and length, and the array’s lower bounds. at System.Array.Copy(Array sourceArray, Int32 sourceIndex, Array destinationArray, Int32 destinationIndex, Int32…

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CDS Processing Priority

In the GeoCue Command Dispatch System (CDS) the Processing Priority (or simply priority) determines the processing order of subtasks that could otherwise process in any order. Priority in the CDS is a floating point number ranging from 0.0 to MAX_FLOAT. Higher values are considered higher priority. For example, assume that two LIDAR Orthos are in the…

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LIDAR Server Having Problems Running in Edge Browser

Problem: Trying to load LIDAR Server (www.lidarserver.com) in Microsoft Edge browser and the load doesn’t complete. No errors, just no project list. Probable Resolution: Clear the cache in Edge and refresh the page. To clear cache data in Edge, click the ellipsis (…) located at the top right corner -> Settings -> Choose What to…

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Using LP360 Feature Analyst to QA/QC Building Extraction Results

LP360 now has a full set of feature analysis and editing tools for working with the geometries of features – points, lines and polygons – in your project[1].  As often happens with LP360 features, the initial driver for adding this capability was a very specific problem; editing the toes of stockpiles being used in volume…

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