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Trimble Business Center for RTK and Robot Least squares Adjustment or Civil 3d

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(@olemanriver)
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Has any one use rtk data and robotic data with Trimble Access in the field to traverse and locate using both and using Trimble feature store another to adjust in TBC and or Civil 3d least squares. ?ÿWhats your preference between the two. Pros and Cons. ?ÿI know all of this can be done in Starnet but this is what we have.?ÿ

 
Posted : 26/01/2022 5:59 pm
(@robertusa)
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If you have TBC, you shouldnƒ??t be using civil 3D to adjust. Thatƒ??s a big waste of TBC. I use GNSS static, RTK, and total station data in the network adjustment in TBC. TBC will be using observation data instead of coordinate data if youƒ??d export to other software. Thereƒ??s probably a network adjustment video on Trimble channel on YouTube and from the learning resource option in TBC.

 
Posted : 26/01/2022 6:13 pm
(@olemanriver)
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@robertusa I used TBC when it was first being developed many moons ago. I was basically comparing the GPS and GPS + GLONAS baseline results to NGS Software and TGO and GPSurvey. I am just now getting familiar with it again and the company I am with donƒ??t use it but pay for it and the maintenance. They use civil3d least squares but The had been setting vrs rtk Control on datum. Then bringing those coords over to a ground job without scaling the. Running a conventional traverse. Bringing that into cv3d. ?ÿI am trying to help streamline and such. So I went to a small job rtk control around the job. Then to meet there standards ran a traverse around the job through all the rtk points all on datum. Its been a while so I used the store another command when prompted by Trimble access instead of averaging in the field. ?ÿSo many rounds where turned and multiple gps observed at 4 hr gap in time. I want to throw this into TBC and adjust using all observations and such. I also tied some prop corners from gps rtk and multiple shots round from multiple set ups. Over kill I know. But I am hoping to use this as a teaching tool for how and why least squares works better when you keep in mind strength of figure and more observation. You are doing something similar with static I assume. Have I made a mistake or will it handle all of this.?ÿ

 
Posted : 26/01/2022 6:34 pm
(@jimcox)
Posts: 1951
 

Collect in Access

Process in TBC

Export to 12D or Civil3D

Works for us

 
Posted : 27/01/2022 12:40 am
(@mightymoe)
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That's been the process for me since the GPSurvey/Trimmap days. Star-net for a while, but updated receivers pushed it out of the office.

 
Posted : 27/01/2022 1:22 am
(@rover83)
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Posted by: @olemanriver

?ÿI am trying to help streamline and such. So I went to a small job rtk control around the job. Then to meet there standards ran a traverse around the job through all the rtk points all on datum. Its been a while so I used the store another command when prompted by Trimble access instead of averaging in the field. ?ÿSo many rounds where turned and multiple gps observed at 4 hr gap in time. I want to throw this into TBC and adjust using all observations and such. I also tied some prop corners from gps rtk and multiple shots round from multiple set ups. .... Have I made a mistake or will it handle all of this.

TBC is excellent at handling mixed data. On a few occasions I have adjusted static, RTK, PPK, total station, and levelling data all in the same project. If you assign realistic standard errors and modify your adjustment parameters to suit, it works just great.

It would probably help to run through a few tutorials or watch a couple of their excellent Power Hours to get a feel for how TBC handles data vs other programs.

?ÿ

Posted by: @olemanriver

the company I am with donƒ??t use it but pay for it and the maintenance. They use civil3d least squares but The had been setting vrs rtk Control on datum. Then bringing those coords over to a ground job without scaling the. Running a conventional traverse. Bringing that into cv3d.

It's scary how many firms have dedicated processing software programs and never use them, much less know anything about them. Tossing some data into a program and exporting it out again in a different format is not "processing data".

 
Posted : 27/01/2022 5:29 am
(@alan-chyko)
Posts: 155
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@olemanriver?ÿ

The scenario you describe is precisely what it was designed for - mixing various types of observation, analyzing and adjusting, and providing output in whatever system you desire.?ÿ We use it with a mix of GNSS (VRS, RTK, static) and conventional data every single day.

Like was mentioned, establishing realistic error estimates is key, and I also second the motion to go through the training videos as well.

 
Posted : 27/01/2022 5:44 am
(@jim-frame)
Posts: 7277
 
Posted by: @rover83

TBC is excellent at handling mixed data.

"Mixed data" meaning coming only from devices within the Trimble ecosystem, or from non-Trimble devices as well??ÿ When I looked very briefly at bringing SurvCE data into TBC for adjustment I didn't see an obvious path for accomplishing that.?ÿ I didn't spend much time trying to figure it out, as I settled on another solution, but if someone has already figured this out I'd like to hear about it.

 
Posted : 27/01/2022 7:57 am
(@dave-karoly)
Posts: 12001
 

@olemanriver TBC is perfectly suited to adjusting your data. I use it exclusively these days. Store another is correct.

I have a StarNet key but havenƒ??t used it in a few years. I had a large project, 8 miles of traversing around and through 2 sections and I started with StarNet but since I had mostly 4 sets sometimes 5 with some needing review and disabling of the odd bad set here and there I found that TBC had vastly superior data review and editing capabilities so I used it instead. No GNSS on that project (deep redwood forest).

 
Posted : 27/01/2022 9:11 am
(@jaccen)
Posts: 445
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I'm still trying to wrap my head around the fact that they actually got the Civil3d package to adjust their data.?ÿ Given those 2 options, TBC would be my preference.

 
Posted : 27/01/2022 9:20 am
(@olemanriver)
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I think it is what they were use to as far as adjusting in civil 3d. ?ÿThey make some fbk file from total station data and bring that in civil 3d. ?ÿBut they have the latest version of TBC. I asked why they just didnƒ??t throw it all i. And qa/qc in tbc adjust then export the control file and do the drafting i. Civil. Although I would like to get f2f going as well atleast most and codes fixed in tbc. ?ÿThe. Final drafting in civil 3d.?ÿ

 
Posted : 27/01/2022 9:29 am
(@mightymoe)
Posts: 9920
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I've tried C3D for adjustments, I can't say I'm a fan. It is very time-consuming and frustrating from what I remember. Trimble is hands free, no imputing data beyond what's in the collectors, receivers, levels. Probably like Jim mentions it best to be a full on Trimble shop.?ÿ

 
Posted : 27/01/2022 10:16 am
(@olemanriver)
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I just want to make sure I am not just adjusting to adjust. We can make anything close. ?ÿGovt software that I used for large networks was more dos and old school starnet like. You really needed to understand the nubers. I imagine once i mess around and figure out what tbc is telling me i can figure out the best work flow. It should based on what i have read also produce an ALTA relative position tolerance report to give the warm and fuzzy to the ls stamping it. I do like the way i can see all the observations i. TBC from rtk vectors and total station. Makes seeing the geometry very nice for troubleshooting. ?ÿ

 
Posted : 27/01/2022 10:49 am
(@bobwesterman)
Posts: 245
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@jim-frame?ÿ

It's not ONLY Trimble data.?ÿ You can import some types of Lieca data.?ÿ I can't say how well it works, except for the Level files.?ÿ As long as whoever's using the level in the field knows what they're doing the level files seem to work out well.

 
Posted : 27/01/2022 10:59 am
(@jimcox)
Posts: 1951
 
Posted by: @bobwesterman

?ÿ As long as whoever's using the level in the field knows what they're doing the level files seem to work out well.

Isn't that a requirement for ALL fieldwork?

 
Posted : 28/01/2022 11:42 am
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