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Large Terrain Mesh

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  • D Offline
    dbwv69
    last edited by 12 May 2011, 17:08

    @solo said:

    The earlier one was Deep exploration, the above was Vue, I simply imported the dxf and painted terrain by elevation. No need to reduce as Vue can handle billions of poly's without glitch. However I can reduce in Vue and export to SU if needed.

    I have Deep Exploration and have tried to replicate the reduction results you achieved earlier but without success. Can you tell me how you did it?

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    • S Offline
      solo
      last edited by 12 May 2011, 17:12

      Sure.

      Open dxf in SU, then save as SU6 version.
      Open it up in DE, and select reduce, process and select 90 percent. Then select heal and save as SU model.

      That's all.

      http://www.solos-art.com

      If you see a toilet in your dreams do not use it.

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      • D Offline
        dbwv69
        last edited by 12 May 2011, 17:19

        @solo said:

        Sure.

        Open dxf in SU, then save as SU6 version.
        Open it up in DE, and select reduce, process and select 90 percent. Then select heal and save as SU model.

        That's all.

        Oh, I see. So you were only removing 10% of the triangles. No wonder I was having issues, I was clicking 10%, thus removing 90% of the triangles.

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        • S Offline
          solo
          last edited by 12 May 2011, 17:23

          No, remove 90 percent. see file size from 35MB to 2.6MB

          see image:


          de image.jpg

          http://www.solos-art.com

          If you see a toilet in your dreams do not use it.

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          • D Offline
            dbwv69
            last edited by 12 May 2011, 17:28

            @solo said:

            No, remove 90 percent. see file size from 35MB to 2.6MB

            see image:

            Then there is hope for it still. I am doing the same, or so I thought, but the results are not like yours. I wonder what it could be? My version comes out with strange patches or blotches all over it..

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            • M Offline
              mac1
              last edited by 12 May 2011, 17:35

              Other filtering approaches using MeshLab again but this time doing Vertex Clustering Decimation. SU edges 25625,16900 faces and file size 2599K. The filters it includes are some developers have incorporated in their apps. .Vertex Clustering Decimation.jpg[/attachment]
              IMO trying to take this model and editing is not the way to go based on the goal of your OP. To create a virtual tour you must get to the point of selective editing only portions of the map along the lines bjornkn discusses This can be in the decimation or interpolation sense ❓
              Next step, layers and selective edits?


              Vertex Clustering Decimation.jpg

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              • D Offline
                dbwv69
                last edited by 12 May 2011, 17:44

                @mac1 said:

                Other filtering approaches using MeshLab again but this time doing Vertex Clustering Decimation. SU edges 25625,16900 faces and file size 2599K. The filters it includes are some developers have incorporated in their apps. .Vertex Clustering Decimation.jpg[/attachment]
                IMO trying to take this model and editing is not the way to go based on the goal of your OP. To create a virtual tour you must get to the point of selective editing only portions of the map along the lines bjornkn discusses This can be in the decimation or interpolation sense ❓
                Next step, layers and selective edits?

                Those results look quite promising and seem to retain much of the fine detail.

                I completely agree about only editing certain portions along the line. Given the sample I uploaded, a true sense of perspective is lost. Here is a set of 3 meter contours for the entire area involved. I would upload the full resolution version but the file size exceeds the attachment limits. The small patch I uploaded is located near the lower portion of the midpoint. See attachment:


                Full Area Contours.zip

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                • S Offline
                  solo
                  last edited by 12 May 2011, 17:53

                  Got that in a DEM file? or even .obj, dxf.

                  http://www.solos-art.com

                  If you see a toilet in your dreams do not use it.

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                  • D Offline
                    dbwv69
                    last edited by 12 May 2011, 17:55

                    @solo said:

                    Got that in a DEM file? or even .obj, dxf.

                    Yes. I am actually using a DEM file as the source for the sample DXF I uploaded.

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                    • S Offline
                      solo
                      last edited by 12 May 2011, 17:57

                      If you can upload it, or part of it, I'd like to try something with Terragen.

                      http://www.solos-art.com

                      If you see a toilet in your dreams do not use it.

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                      • D Offline
                        dbwv69
                        last edited by 12 May 2011, 18:00

                        @solo said:

                        If you can upload it, or part of it, I'd like to try something with Terragen.

                        I tried uploading it earlier and it was rejected because the file was too large.

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                        • S Offline
                          solo
                          last edited by 12 May 2011, 18:02

                          Got a dropbox account? they are free, safe and private.

                          http://www.solos-art.com

                          If you see a toilet in your dreams do not use it.

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                          • D Offline
                            dbwv69
                            last edited by 12 May 2011, 18:06

                            @solo said:

                            Got a dropbox account? they are free, safe and private.

                            No but I can get one. Where do you reccommend?

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                            • S Offline
                              solo
                              last edited by 12 May 2011, 18:08

                              Link Preview Image
                              Install Dropbox for Windows and Mac

                              Dropbox helps you create, share, and collaborate on your files, folders, and documents. Learn how to download and install Dropbox for Windows and Mac.

                              favicon

                              (www.dropbox.com)

                              http://www.solos-art.com

                              If you see a toilet in your dreams do not use it.

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                              • D Offline
                                dbwv69
                                last edited by 12 May 2011, 18:11

                                @solo said:

                                Link Preview Image
                                Install Dropbox for Windows and Mac

                                Dropbox helps you create, share, and collaborate on your files, folders, and documents. Learn how to download and install Dropbox for Windows and Mac.

                                favicon

                                (www.dropbox.com)

                                I'll go create an account now. What format do you prefer the data to be in? I am currently extracting it to a DXF mesh, is that ok?

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                                • S Offline
                                  solo
                                  last edited by 12 May 2011, 18:16

                                  Sure, or even DEM.

                                  http://www.solos-art.com

                                  If you see a toilet in your dreams do not use it.

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                                  • D Offline
                                    dbwv69
                                    last edited by 12 May 2011, 18:29

                                    @solo said:

                                    Sure, or even DEM.

                                    The DXF mesh extract was huge and is still uploading to my dropbox but the DEM extract was surprisingly small. See attached:


                                    Full Area DEM.zip

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                                    • S Offline
                                      solo
                                      last edited by 12 May 2011, 18:40

                                      You may want to check the dem file, it's kinda wierd, hard to explain, lacks all detail.

                                      http://www.solos-art.com

                                      If you see a toilet in your dreams do not use it.

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                                      • D Offline
                                        dbwv69
                                        last edited by 12 May 2011, 18:50

                                        @solo said:

                                        You may want to check the dem file, it's kinda wierd, hard to explain, lacks all detail.

                                        I looked at it and see what you mean. I must have inadvertently selected the wrong scale when I exported it. The DXF file just finished uploading, here is the link:

                                        http://dl.dropbox.com/u/29024765/Full%20Area.zip

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                                        • S Offline
                                          solo
                                          last edited by 12 May 2011, 18:59

                                          😲 😮 750MB file.

                                          👿 gonna try open in SU first, see if flames spew out from CPU.

                                          http://www.solos-art.com

                                          If you see a toilet in your dreams do not use it.

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