hi anyone know why when I import dxf file to civil 3d the scale in incorrect
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hi anyone know why when I import dxf file to civil 3d the scale in incorrect
Solved! Go to Solution.
Solved by Pointdump. Go to Solution.
Can you share the DXF file? What coordinate system is the DXF supposed to be in and what system is set in your drawing.?
Allen Jessup
CAD Manager - Designer
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Can you share the DXF file? What coordinate system is the DXF supposed to be in and what system is set in your drawing.?
Allen Jessup
CAD Manager - Designer
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Those are the coordinates in the DXF file. It's an ASCII file so you can open it in Notepad. Whoever created it in whatever software. That's the way it was created. Since there are no physical objects in the drawing so there's no way to scale it. IOW The file is coming in exactly as it was written. The issue is with the coordinates in the file not scaling.
Can you ask the creator to produce a DXF in the system you need?
Allen Jessup
CAD Manager - Designer
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Those are the coordinates in the DXF file. It's an ASCII file so you can open it in Notepad. Whoever created it in whatever software. That's the way it was created. Since there are no physical objects in the drawing so there's no way to scale it. IOW The file is coming in exactly as it was written. The issue is with the coordinates in the file not scaling.
Can you ask the creator to produce a DXF in the system you need?
Allen Jessup
CAD Manager - Designer
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Looks like an International Foot vs US Survey Foot issue.
Looks like an International Foot vs US Survey Foot issue.
Todd,
I don't think so. I looked at the DXF file and all the coordinates are literally 100,5 with varying decimal values. The site is only 0.016 units from North to South. I think the DXF was created incorrectly.
Allen Jessup
CAD Manager - Designer
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Todd,
I don't think so. I looked at the DXF file and all the coordinates are literally 100,5 with varying decimal values. The site is only 0.016 units from North to South. I think the DXF was created incorrectly.
Allen Jessup
CAD Manager - Designer
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Hi @NIRANDOAL,
Thanks for posting your drawing.
In Settings, the Drawing Units show as Feet. But I suspect the Units in your drawing are Degrees. That would explain why the numbers are so small. (And also places your project in Kulim, Kedah, Malaysia.)
You might be able to fix this yourself by transforming the drawing to a coordinate system that uses Meters or Feet Units.
Dave
Dave Stoll
Las Vegas, Nevada
Hi @NIRANDOAL,
Thanks for posting your drawing.
In Settings, the Drawing Units show as Feet. But I suspect the Units in your drawing are Degrees. That would explain why the numbers are so small. (And also places your project in Kulim, Kedah, Malaysia.)
You might be able to fix this yourself by transforming the drawing to a coordinate system that uses Meters or Feet Units.
Dave
Dave Stoll
Las Vegas, Nevada
Dave,
If anything the coordinates in the DXF might be in degrees. The coordinates shown on import match the coordinates in the DXF file. I don't know any way to transform a DXF on import. If it can be confirmed that the coordinates in the DXF file are degrees. The drawing might be transformed after import. The original system would have to be known.
Allen Jessup
CAD Manager - Designer
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Dave,
If anything the coordinates in the DXF might be in degrees. The coordinates shown on import match the coordinates in the DXF file. I don't know any way to transform a DXF on import. If it can be confirmed that the coordinates in the DXF file are degrees. The drawing might be transformed after import. The original system would have to be known.
Allen Jessup
CAD Manager - Designer
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@NIRANDOAL,
I've transformed your Degree Units drawing to Metric EPSG:32647 WGS84/UTM zone 47N. Here's the steps:
1. Open DXF and re-save as DWG.
2. Assign LL84 Geographic Coordinate System.
3. MAPEXPORT linework, being sure to add ELEVATION as Object Data. In the last Tab I also Transformed to EPSG:32647.
Drawing attached.
Edit:
Step 4. Open a new drawing and assign EPSG:32647 coordinate system. MAPIMPORT the shapefile from step 3.
Dave
Dave Stoll
Las Vegas, Nevada
@NIRANDOAL,
I've transformed your Degree Units drawing to Metric EPSG:32647 WGS84/UTM zone 47N. Here's the steps:
1. Open DXF and re-save as DWG.
2. Assign LL84 Geographic Coordinate System.
3. MAPEXPORT linework, being sure to add ELEVATION as Object Data. In the last Tab I also Transformed to EPSG:32647.
Drawing attached.
Edit:
Step 4. Open a new drawing and assign EPSG:32647 coordinate system. MAPIMPORT the shapefile from step 3.
Dave
Dave Stoll
Las Vegas, Nevada
hi, sir thank you very much it helps me!!
hi, sir thank you very much it helps me!!
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