Are you saying that the drawing is being scaled of that the units are reporting as feet? IOW. Is a 20 meter line now measuring as a 20 foot line?
This could involve;
INSUNITS
INSUNTISDEFSOURDE
INSUNITSDEFTARGET
or Coordinate System settings.
The units setting only affect how the distances are reported or how they are scaled when inserted.
Allen Jessup
CAD Manager - Designer
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Nothing is scaled. INSUNITS are different, depending whether the file is opened with AutoCAD LT or Civil 3D. Here's the screenshot of what's visible in UNITS window in both. I want to understand how to make Civil 3D to read that units for this DWG are meters.
Civil 3D doesn't work well with the Units command. I'd suggest either setting a known coordinate system from the settings tab
or using AECDWGUNITSSETUP to set the units to meters.
Allen Jessup
CAD Manager - Designer
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Just because 2020 LT is displaying meters doesn't necessarily mean it's in meters. You are holding back on info, need full disclosure to troubleshoot. Who created the dgn? Someone in USA or another country? Is site in US or outside in foreign country? What is nearest major city and state?
I'd be more interested if units are ground units or grid units, not whether meters or feet.
Chicagolooper
@janis.prodnieks wrote:I'm not sure what do you mean with ground units and grid unit
And that's your problem, you need to understand, ground and grid U-N-I-T-S are different. And top of that, you need to make the units geospatially accurate (whatever the units are determined to be) against a 'known' reference system.
BTW, if you're gonna ask the microstation guy for a new file, then ask to have it exported to kml, not dwg. Then import the kml to C3D. (Don't forget, before it's exported to kml, you must give the dgn a coordinate system beforehand.)
The reason the country makes a difference is when you bring in the dgn linework into your AutoCAD drawing, the AuoCAD drawing needs to referenced against a known coordinate system. this means your drawing must be assigned a CS that's relevant to Latvia and not someplace else such as Nova Scotia or New Zealand.
Chicagolooper
If your not using the Metric shortcut for C3D then your probably fighting an uphill battle. All units need to match in C3D. No way around that.
Rick Jackson
Survey CAD Technician VI
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