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How to Export AutoCAD Civil 3D drawings with coordinates and elevations to WaterGEMS? And the other way around?

Hi,

I would like to know how to export AutoCAD Civil 3d drawing with its coordinates (X,Y,Z) to WaterGEMS for hydraulic analysis and the other way around? as I am trying to design gravity pipe network through AutoCAD civil 3d and want to analyze it via WaterGEMS. I thank you in advance.

Yours faithfully,

ARM

  • Hello Abdul,

    Civil 3D objects are more useful in the storm and sanitary networks environment which is why you can export the Civil 3D model to a LandXML file and import it into SewerGEMS easily. However, for WaterGEMS import from LandXML is not available currently.

    If you can get shapefiles of your network then you could use ModelBuilder to build your water supply network.

    See the below article for details on this issue;

    Civil3D integration (Pipe network import/export)

    You can also try this workflow if you have both WaterGEMS and SewerGEMS.

    1. Export Civil 3D model to LandXML

    2. Import LandXML into SewerGEMS (File > Import). This will build the model in SewerGEMS

    3. Export model elements to shapefiles. See this article for reference: Open or import SewerCAD or SewerGEMS model in WaterCAD or WaterGEMS or vice-versa

    4. Use ModelBuilder to build your network in WaterGEMS from the shapefiles exported in step 3.

    This can help you build a model without any major conversion and potential loss of data.

    Hope this helps.


    Regards,

    Yashodhan Joshi

    Answer Verified By: Jesse Dringoli 

  • Hi Joshi,

    Thank you for your prompt reply, appreciated. Noted!

    However, I am wondering if I can directly import x,y,z coordinates read and recorded by Total station (converted and saved in excel file) to be spatially distributed on its respected map so that I can have its elevation, too and WaterGEMS picks up the elevation automatically, helping me in pipe profiling, or if there is any other way to plot profile of pipes with ground elevation and HGL, please let me know. Thanks for the contribution in advance.

    Yours sincerely,

    ARM

  • Hello Abdul,

    If you have the terrain data with you in terms of a Total Station file or a .csv or Excel file you can first try building the surface either in Civil 3D or any other GIS / CAD platform. With the surface created you can then use it to apply elevations to existing WaterGEMS elements such as junctions, tanks, reservoirs, pumps etc. in your WaterGEMS model using the terrain extraction tool TReX.

    This will help you visualize profiles of your HGL and EGL based on the ground elevations.

    However, to build the model you would have to use ModelBuilder as stated in my earlier response. The typical workflow for this would be to first create the model using ModelBuilder then assign elevations using the TReX tool.


    Regards,

    Yashodhan Joshi

  • Hi Joshi,

    Thank you for your follow up and reply, appreciated. Noted!

    However, is there any video or material relevant to my case or the way how to perform your recommended way? It will help me go about step by step without creating any hurdle in the process. I thank you in advance.

    Yours sincerely,

    ARM

  • Hello Abdul,

    The OpenFlows Youtube channel will have videos related to this. The last two items in the link relate to building a model with spatial data. 

    Regards,

    Scott