ArcGIS data into SWMM

I want to import ArcGIS data into SWMM. How can I do this? If possible I want to include SWMM into ArcGIS as add-in, any help?

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        • You cannot color the subcatchments in SWMM 5 by a Tag (though you can in InfoSWMM) but you can have a background  image of your shape files  (converted to an image) in SWMM5.  This may help you do on screen navigation of your various categories of Subcatchments

          3293157156?profile=RESIZE_1024x1024

          • Exactly. The best way to identify all subchatments is to export map from ArcMap. You should disable merge layer (created by merge tool), and then export backdrop image. That will give you coloured subchatments.

            • Yes! Thank you fellows. These will help me do the job.

    • You could use a text editor and combine all of the various SWMM5 files into one file.

      • Thank you Robert for your reply.

        You mean to open the .inp file in Notepad for example,

        3293161212?profile=RESIZE_1024x1024

         

        and then to copy the data (subcatchments, subareas, etc) from the other .inp files to paste them to file I want to collect them all. Then I will need to modify all theserial numbers in a continuous order

        3293159957?profile=RESIZE_1024x1024

        I tried the process up to a point and it seems it is working. However, the final projects I want to create are very detailed and totally I might have to modify more than 100,000 serial numbers. Is there any other more handy process available?

        • For subcaatchmets you need to copy the following sections, plus the polygon sections

          [SUBCATCHMENTS]
          ;;Subcatchment Rain Gage Outlet Area %Imperv Width %Slope CurbLen Snow Pack
          ;;-------------- ---------------- ---------------- -------- -------- -------- -------- -------- ----------------
          80 GAGE1 P009 10 0 600 1 0
          85 GAGE1 P005 .1 0 600 1 0
          90 GAGE1 P001 1 0 600.0 1 0
          95 GAGE1 P011 100 0 600.0 1 0

          [SUBAREAS]
          ;;Subcatchment N-Imperv N-Perv S-Imperv S-Perv PctZero RouteTo PctRouted
          ;;-------------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
          80 0.015 0.41 0.06 0.2 25 OUTLET
          85 0.015 0.41 0.06 0.2 25 OUTLET
          90 0.015 0.41 0.06 0.2 25 OUTLET
          95 0.015 0.41 0.06 0.2 25 OUTLET

          [INFILTRATION]
          ;;Subcatchment CurveNum HydCon DryTime
          ;;-------------- ---------- ---------- ----------
          80 80 0.3 7
          85 85 0.3 7
          90 90 0.3 7
          95 95 0.3 7

          • Thanks again Robert. Yes, I realized I have to copy all these data for the subcatchments. This is that increases so much the load or serial numbers modifications. I tried the process in Excel. It is much easier however, there is still lot of manual work, which means there are many chances for mistakes. In a small application I tried, I have already few subcatchments they need modification in SWMM or maybe to copy them again. For sure, your suggestion is workable and good practice especially for small projects. I will try later Michal B’s suggestion which seems to be more automated and probably involves less mistakes.

            The next two weeks I will need to follow some exams so, I will try all these again after and I will let you know the results.  

  • Hello everyone. I would like to ask about inp.PINS. Is there any possible to export inp file made in SWMM 5.0 into the ArcMap?? I read something about inp.flood mode in inp.PINS, but when try to use it, the software didn't make any shp files. Please help me.

    • inp.PINS can delineate floodplains with the inp.flood module. The outputs are polygon and point shapefiles with the floodplain.

      If there is no floodplain for the SWMM event simulated no shapefiles are created.

      • Ok, I understand. So, is there any other option to export SWMM model to ArcMap? I give you example: I've got two hydraulic models of different parts of Lublin city made in SWMM. I would like to export them to ArcMAP, make some corrections and merge them to get one bigger model. Then I would like to export it all by inp.PINS to SWMM and make simulations on bigger model. Is anny possible method to do this ?

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