124 articles GeoCue Tools, Tips and Workflows

Slow Responsiveness of GeoCue Client

Problem: Slow responsiveness of the GeoCue Client is observed corresponding with high CPU usage by the RepHostGUI.exe on the GeoCue Server machine. Probable Resolution: RepHostGUI.exe is the primary GeoCue server process, which handles all interaction with all GeoCue clients and the database. Since this executable implements multithreaded processing and handles all the necessary locks it…

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OrthoVista Path Changed with Upgrade

Problem: The OrthoVista path changed after installing the latest version and now GeoCue cannot find the executables and fails with the error, “Error Generating Mosaic Product: System.NullReferenceException: Object reference not set to an instance of an object.  at GeoCue.RapidOrtho.OVProductGen.Run() in n:\Framework\XCs\RapidOrtho\GCOVProcessing\OVProductGen.cs:line 35″ Probable Resolution: Go to C:\ProgramData Create (if it doesn’t exist) C:\ProgramData\GeoCue\RapidOrtho Go to…

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GeoCue Archiving Error Messages

Running the archive function in GeoCue produces an ArchiveLogs.#.txt text file in the GeoCue temp folder on the machine performing the archive. The # is sequential so that a log file may be generated for each archive attempt. Should the archive task encounter an exception it is best to review these logs for the problem…

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Modifying VERT_CS WKT for USGS

A recent USGS addendum to the LIDAR Base Specification has stated that “User-defined entities will not be allowed for capturing specific geoid information in the WKT”. LP360 (v2015.1.76.15 or later) In order to remove this information from the VERT_CS WKT being included in LP360 generated WKTs it is necessary to replace the following file(s): “C:\Program…

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GeoCue: Classification Lookup VLR

***Warning: This VLR is not currently being written correctly and will be rectified in a service pack release*** In GeoCue 2017 we added the ability for GeoCue to write the Classification Lookup VLR as provided for by the LAS v1.4 specification. The Classification Lookup VLR is an optional VLR that can be used to convey…

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System.ArgumentException: Item has already been added. Key in dictionary: ” Key being added: “

Problem: User encounters a .NET crash, “System.ArgumentException: Item has already been added. Key in dictionary: ” Key being added: ” “, while attempting to generate TerraScan trajectories from LIDAR Source strips. Probable Resolution #1: We suspect corrupted entities on the layer in question. Create a new trajectory layer and try creating the trajectories to the…

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Error Setting Viewer Control Files: Unable to Locate SRTM Data

Problem: Attempting to load oblique images into the viewer results in message, “Error Setting Viewer Control Files: Unable to Locate SRTM Data”. In GeoCue 2013 , a new elevation service based on the Shuttle Radar Topography Mission (SRTM) was added to the GeoCue Server. This service provides elevation data at 30 m post spacing outside…

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Using Neighbours when Running Macros

Only when running TerraScan macros on a project in TerraScan or through GeoCue’s LIDAR 1 CuePac can an overedge region be specified. The macro loads points from neighbor tiles to: support the algorithms maintain continuity between data files, such as providing for a continuous surface at the block edge Should be done when doing routines…

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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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