Training: P4P-RTK PPK Workflow in True View EVO

A short tutorial covering the Phantom 4 Pro (P4P-RTK) Post Processing Kinematic (PPK) workflow in True View EVO. The workflow covers some background on the workflow, the data files you need from your P4-RTK guest sensor, PPK trajectory processing, automated Agisoft Metashape processing to create an orthomosaic and dense image matching (DIM) point cloud, that…

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Determine the Alternate Navigation File to Download from NASA’s CDDIS

When the auto-download of the ephemeris and alternate navigation is not working you may elect to manually determine the an alternate navigation file to download from the NASA CDDIS site while your IT resolves any connection issues. Click here to determine the ephemeris file to download from NASA’s CDDIS. Determine the start/end times in UTC…

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Determine the Ephemeris File to Download from NASA’s CDDIS

When the auto-download of the ephemeris is not working you may elect to manually determine the correct ephemeris file to download from the NASA CDDIS site while your IT resolves any connection issues. Click here to determine the alternate navigation file to download from NASA’s CDDIS. Determine the start/end times in UTC or GPS for…

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LDExport – An LP360 Command Line Executable

LP360 has several very useful command line executable utilities that can be used to simplify different tasks or improve the efficiency of large batch processes when working with substantial amounts of data or repeating processes.  LDExport was added to this utility catalog with 2017.1.  It simplifies the export of LAS points and surfaces, for example…

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Points Disappear when Rotating View

Points disappear when rotating view or zooming in when trying to display in MicroStation window utilizing Terrasolid tools/products. Typically, points disappear when rotating the view because the rotation point used is not centered on the project area. Particularly at the elevation of the laser data. Tentative snap an appropriate rotation location by clicking both left…

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Brush Classification Tool Cursor not Displaying

When using the TerraScan brush classification tool, the brush cursor is not displaying the outline. The common reason the brush cursor is not displaying is due to Accudraw being enabled. Accudraw can interfere with the normal operation of many Terrasolid tools. Toggle Accudraw off, by typing “Toggle Accudraw” in the search box in the top-right…

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Apply a Horizontal Rotation about an Origin Point

This post applies if your grid to ground conversion requires needing to apply a horizontal rotation about an origin point and is defined by: Horizontal Translation North (tN) Horizontal Translation East (tE) Horizontal Rotation (Rz) Horizontal Origin Northing (N0) Horizontal Origin Easting (E0) Horizontal Scale Factor Then, if the horizontal scale factor is one, luckily,…

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Tutorial: Vectorize Buildings for 3D City Models

In this short tutorial learn how to use the Vectorize Buildings tool to create 3D vectorized building models based on a loaded point cloud data. The point cloud has to be classified into: Ground points using the Ground classification routine. Above-ground points which may be hits on building roofs using Compute distance followed by the…

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