Author Topic: Creating TTM files for graders  (Read 4737 times)

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alanjt

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Creating TTM files for graders
« on: November 06, 2014, 02:33:20 PM »
Does anyone have any experience in creating TTM (Trimble) files from a set of construction plans? Especially generating from a set of plans created with civil 3D.

AFAIK the files needed for the grader:
ttm = model
svl  = 2d linework
cfg  = correction file
svd = 3d surface
Civil 3D 2019 ~ Windohz 7 64bit
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BlackBox

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Re: Creating TTM files for graders
« Reply #1 on: November 06, 2014, 03:03:12 PM »
No idea if C3D can export this or not. *never tried*

Only thought to mention that I used to work for a civil contractor that used Trimble site control, and I'd just take their vanilla CAD/DTM and import it into Terramodel (optional software with GPS site control purchase?), or AGTEK _then_ Earthwork 3D, and spit out the files we needed for heavy equipment data cards (i.e., bulldozers, graders, excavators, etc.).

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mjfarrell

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Re: Creating TTM files for graders
« Reply #2 on: November 07, 2014, 08:51:00 AM »
Does anyone have any experience in creating TTM (Trimble) files from a set of construction plans? Especially generating from a set of plans created with civil 3D.

AFAIK the files needed for the grader:
ttm = model
svl  = 2d linework
cfg  = correction file
svd = 3d surface

From working with others using Trimble for machine control...3d polylines are much preferred over 2d linework.

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