- Surface trimble business center pdf#
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It shows all calculated points, imported GPS data files, bench levels, and adjusted traverses. The imported traverse data can be edited in TBC, and the imported data and files can be easily reviewed in the project explorer window.
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The adjusted height values can be locked from further adjustment.Ī traverse adjusted by software running on a Trimble field controller can be imported to TBC, which will adjust a traverse network by least squares. Separate level runs can also be merged and adjusted as a single run. The level editor automatically calculates a closure of a level run that begins and ends on the same control point, or one that begins and ends on two known vertical control points. TBC also imports and adjusts traverse and bench level data.
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The flagged points are shown in red in plan view and project explorer and are highlighted in red in all the project reports, which are output to either HTML or PDF formats. Any calculated point or baseline that exceeds the project settings is automatically flagged by TBC. The dependent baselines are easy to select and remove from the adjustment by their time stamping. Baseline processing is fast and fully automatic. The software supports import of geo-referenced images as well, so it’s easy to place a background photo beneath your measured data.Īll baselines-independent and dependent-are calculated upon the import of the GPS data. You can also simply drag and drop data files into the TBC project window. It also makes it handy to import data zipped and emailed by out-of-town crews. This simplifies the effort of managing multiple files from different rovers and reference stations. You just put all the information and field data files into a directory and point TBC to that location, and the software reads and extracts the information it needs. GPS data can be imported from individual files, groups of files, or even directly from a zipped or compressed file. TBC reads the project date and time stamps to import the necessary data for a chosen CORS station.
The software can import precise ephemerides for GNSS including GPS and GLONASS orbits. TBC reads the NGS data sheet values to import the coordinate values for a control point, so there’s no chance of an input error from a printed data sheet.
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TBC will connect to these sites to download control point data sheets, precise ephemerides data, and static GPS data from the Continuously Operating Reference Stations (CORS).
TBC provides direct access to sites such as from the National Geodetic Survey (NGS). The import of the primary control points is greatly improved by internet connectivity. The most common edits include the coordinate system and the vertical datum, the type of units, allowable horizontal and vertical error, and setup and centering errors. The project settings and parameters are grouped by tasks and are easy to manage or edit. These templates can contain all the appropriate settings for different types of projects, or for projects located in different areas. TBC makes this simple by user-definable templates. Project Settings Easy to Manage The first step is to create a new project. Trimble has purposely included some errors in the data to give practice in finding and correcting mistakes that sometimes find their way in from the field. The data for the tutorials isn’t “squeaky clean,” and that’s by design. They outline a clear workflow that new users can follow from data import to adjusted network. I found the tutorials to be extremely helpful. While I’ve processed survey data for years, this is my first experience with TBC. They are well written, easy to follow, and progress in a manner that covers the main features of TBC. TBC begins at the “start menu” where the user can create a new project, open a project, edit settings, and also run through the tutorials that will be most valuable to new users. This review concentrates on the processing of control-survey information from GPS, bench levels, and traverses. TBC will process topographic survey data, machine control data, and 3D point clouds, to name a few. Surveyors can use TBC to import and adjust their survey control, process topographic and location data, create digital terrain models and contours, and review all their data before taking the survey to their preferred CAD package for completion. TBC is a start-to-finish survey-data processing solution, focusing on measurements and data integrity. It is such a complete package that I have time only to write about a small portion of what it offers. Trimble Business Center (TBC) version 2.4 is Trimble’s latest survey data-processing solution.
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