Convert Shape file to Cad file

Convert Shape file to Cad file

vijays2u
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Message 1 of 8

Convert Shape file to Cad file

vijays2u
Participant
Participant

How to convert shape file to cad file with all its properties ?

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Message 2 of 8

Pointdump
Consultant
Consultant

Hi Vijay,
Your options:
1. Use Map 3D or Civil 3D
2. Use QGIS to save the shapefile as DXF.
3. If this is just one-time, ask here for someone to convert from shapefile to DWG.
Dave

Dave Stoll
Las Vegas, Nevada

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Message 3 of 8

vijays2u
Participant
Participant
I am using Civil 3D, but i don't find the comment QGIS. How to use QGIS commend ?
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Message 4 of 8

Pointdump
Consultant
Consultant

Vijay,
QGIS is a standalone GIS program.
In Civil 3D you would use command MAPIMPORT and select "Create Object Data".
Dave

Dave Stoll
Las Vegas, Nevada

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64GB DDR4 2400MHz ECC SoDIMM / 1TB SSD
NVIDIA Quadro P5000 16GB
Windows 10 Pro 64 / Civil 3D 2025
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Message 5 of 8

Pointdump
Consultant
Consultant

Like this:

 

OD_1.png

 

Dave Stoll
Las Vegas, Nevada

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64GB DDR4 2400MHz ECC SoDIMM / 1TB SSD
NVIDIA Quadro P5000 16GB
Windows 10 Pro 64 / Civil 3D 2025
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Message 6 of 8

ChicagoLooper
Mentor
Mentor

Hello @vijays2u 

I agree with @Pointdump, use MAPIMPORT command.

 

<<You may enter MAPIMPORT on the command line OR switch to the Planning and Analysis Workspace then go to Insert Tab=>Import Panel=>Map Import Button>>

 

The MapImport command will 'convert' the ESRI line work to plain vanilla AutoCAD polylines.

  1. Assign your coordinate system to modelspace.
  2. Execute the MAPIMPORT command. <<Verify the shapefile's coordinate system is understood by C3D--if it's not you'll need to manually input the native CS of the shapefile. The native CS can be viewed by opening the shapefile's .prj in NotePad.>>
  3. (Optional) Create Object Data (OD) during the MapImport procedure. When you create OD, you'll get additional data from the shapefile's database file (.dbf) which can be viewed once the import is completed--displayed at bottom of the Properties Palette.

Here's a video that demonstrates how.

 

EPSG 2277 vs. EPSG 4269:

The video also demonstrates how coordinate transformation is automatically performed by the MapImport command. The video shows even though Texas State Plane Central Zone-Feet (EPSG 2277) is assigned to modelspace, the shapefile's prj, the native CS given to the shapefile by its author,  is LL83 which is geographic coordinates in Lat/Long degrees (EPSG 4269). Although the units of the shapefile's prj are Degrees, MapImport automatically 'transforms' from Geographic Degrees to State Plane Feet. Just like the video, you can tell whether your transformation is successful by turning on Bing Hybrid Map.

Chicagolooper

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Message 7 of 8

J-Porter
Collaborator
Collaborator

You may need to also transform the SHP file from one coordinate system to another.  Take a look at this video I made many years ago:  https://www.youtube.com/watch?v=g7HW6apnh3g  

 

You need to focus on:

  • minutes 18:00 - 21:00
  • minutes 28:05 - 31:35
Message 8 of 8

kendra.marrero
Community Visitor
Community Visitor

The best command is MAPImport in Civil 3d.

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