GeoCue Support » Archives for GeoCue Support » Page 58
A new command line driven, Windows application has been written to execute LP360 point cloud tasks. The tool “LPRunPCT.exe”, available in the 2015.1 Service Pack A, allows you to run a point cloud task from the command line with a number of command line options and associated parameter files. This tool is very useful in certain…
In the LIDAR industry the generally accepted definition for Nominal Pulse Spacing (NPS) is the one detailed in the USGS base LIDAR Specification. That is the spacing between points in the collection when in reference to single instrument, single swath, first return only LIDAR point data. The NPS is a value that is usually predicted by…
The Global Encoding Bytes in an LAS file is a bit field used to indicate certain global properties about the file. In LAS 1.2 (the version in which this field was introduced), only the low bit is defined (this is the bit, that if set, would have the unsigned integer yield a value of 1).…
LP360 for ArcGIS, riding within the ESRI ArcMap environment, gives users flexibility to customize the user interface with respect to the LP360 tools. Custom hot keys can be created that cut down on the number of clicks it takes to complete a task, in addition LP360 tools can be added to Custom Toolbars. Please note,…
Intensity values can be determined within LP360 in a couple of ways. Identify Tool: The identify tool can be used to determine the intensity value for any given point that is currently loaded into LP360. LP360 Point Cloud Statistics LP360’s Point Cloud Statistics Point Cloud Task, can be used to determine the minimum, maximum, average and…
While debugging issues with the GeoCue Server a dump of the server memory can sometimes lend some insight into the problem. To get the dump, download Microsoft’s ProcDump from https://technet.microsoft.com/en-us/sysinternals/dd996900.aspx Unzip it and as administrator (right-click on command prompt and open using “Run as Administrator”), run the following command procdump.exe -ma RepHostGUI This will create a file…
GeoCue Environment Builder allow users to modify or extend GeoCue Environments. The Symbology option within Environment Builder allows the user to specify different symbology (color, weight, style) for different entity types. The GeoCue Environment Builder User Guide provides additional information concerning changing symbology.
Control Points –points used in the survey –GNSS base station locations –used in vertical bias correction Check Points –should be independent –used for accuracy reporting –withheld from processing
When classifying within LP360, the numbered keys on the number pad section of the keyboard can be used to specify and commit points for the “To” class during the classification process. However, the numbered keys across the top of the keyboard cannot be used for this shortcut. Classes 0-9 (Unclassified – Water) can be classified…
To determine Point Density the cell edge length can be set to whatever you want it to be set to for the purpose of computing the density, the density range is what is important. You’re looking for the number of points per square units. The cell edge length simply says take samples within a n…