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    Terrain from contours - improve on native 'from contours'?

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    • KrisidiousK Offline
      Krisidious
      last edited by

      subscribed... 😲

      By: Kristoff Rand
      Home DesignerUnique House Plans

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      • utilerU Offline
        utiler
        last edited by

        No problem, Fredo, I'm not surprised at issues with the first one as it was a survey of a site with an existing residence on it which prevented a uniform data to be taken...

        What you've done with the other one looks good! Can't wait to see how this plugin ends up. I'll see if I can dig out some other survey plans off file and convert them for you.

        πŸ‘

        purpose/expression/purpose/....

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        • fredo6F Offline
          fredo6
          last edited by

          @utiler said:

          No problem, Fredo, I'm not surprised at issues with the first one as it was a survey of a site with an existing residence on it which prevented a uniform data to be taken...

          I evolved the algorithm for calculating the concave hull on your complex model and could obtain a result on your model, without any change, here attached.

          A lot of the problem come from the small terminations hooks in several contours, like illustrated on the picture below
          TopoShaper small hooks.png

          The issue with terrain construction is that you need to have a correct hull in order to determine the spatial distribution of the influence of the contours.

          utiler_survey01.skp

          TopoShaper Utiler Survey 01.png

          TopoShaper Utiler Survey 1.gif

          Fredo

          PS: I hope to finish a first version in 2-3 weeks time, as I have actually very few moment available currently

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          • EarthMoverE Offline
            EarthMover
            last edited by

            Can't wait! Thanks Fredo!

            3D Artist at Clearstory 3D Imaging
            Guide Tool at Winning With Sketchup
            Content Creator at Skapeup

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            • utilerU Offline
              utiler
              last edited by

              that is looking very sweet, Fredo!!!! Can't wait as well!!!

              purpose/expression/purpose/....

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              • KrisidiousK Offline
                Krisidious
                last edited by

                here's a topo I just got from a survey company... if you need tests.


                HANNA-TOPO.dwg

                By: Kristoff Rand
                Home DesignerUnique House Plans

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                • EarthMoverE Offline
                  EarthMover
                  last edited by

                  Here's another set of contour lines from my current project. All welded up.


                  Coleman Topo.skp

                  3D Artist at Clearstory 3D Imaging
                  Guide Tool at Winning With Sketchup
                  Content Creator at Skapeup

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                  • pbacotP Offline
                    pbacot
                    last edited by

                    I've gone ahead and started using one of the tests you made of my contour set, Fredo. I don't have a lot to do as yet but it was really clean leveling some areas and "filling" others with Artisan. Maybe we can illustrate the cut and fill on the project with before and AFTER terrains. Thanks!

                    MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                    • fredo6F Offline
                      fredo6
                      last edited by

                      @earthmover said:

                      Here's another set of contour lines from my current project. All welded up.

                      Adam,

                      Here is what I obtain on the original file. I think however that the contour should be simplified a little bit because there are a lot of edges and it slows down the calculation.

                      Earthmover Coleman Topo.skp

                      Toposhaper Earthmover Coleman Topo.png

                      Fredo

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                      • EarthMoverE Offline
                        EarthMover
                        last edited by

                        A quick play with the contours. Simplified the curves using Thom's Edge Tools. Then did a From Contours terrain. Then a Drape Cpoints / Triangulate method to retopo. Then opened the high res contour lines in 3ds Max and used the free Populate Terrain plugin to generate a similar terrain. Then brought it back into sketchup and compared the two.


                        Earthmover Coleman Topo (1).skp

                        3D Artist at Clearstory 3D Imaging
                        Guide Tool at Winning With Sketchup
                        Content Creator at Skapeup

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                        • D Offline
                          dtrarch
                          last edited by

                          Terragen2 download πŸ‘
                          http://planetside.co.uk/index.php?option=com_content&view=article&id=30&Itemid=170
                          Someone here was looking for this and here tiz β˜€

                          dtr

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                          • fredo6F Offline
                            fredo6
                            last edited by

                            By the way, did anyone try SimuTerra? (see this post)

                            Fredo

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                            • Chris FullmerC Offline
                              Chris Fullmer
                              last edited by

                              Does anyone know if Erez is still maintaining his Simuterra program? We haven't seen him around in ages!

                              Lately you've been tan, suspicious for the winter.
                              All my Plugins I've written

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                              • soloS Offline
                                solo
                                last edited by

                                Nice clean results.

                                I have a set of contours that I'd like to compare if you have the time, I used sandbox and got a mess, wondering if this will give a better result. Here is the skp, however I'm wondering if the dwg would not be better.


                                test contours.skp

                                http://www.solos-art.com

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

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                                • fredo6F Offline
                                  fredo6
                                  last edited by

                                  @solo said:

                                  Nice clean results.

                                  I have a set of contours that I'd like to compare if you have the time, I used sandbox and got a mess, wondering if this will give a better result. Here is the skp, however I'm wondering if the dwg would not be better.

                                  Here is the result on your model without any change, with the current version of TopoShaper. Grid definition is 60 x 27. I did some tests with a higher definition but cannot post it back because the size of the skp file is bigger than 4 Mb.

                                  Note that your contours add up to more than 44,000 edges, with a quite complex concave hull. So it takes a minute to calculate it and there are still some problems on the borders.

                                  Solo test contours.skp

                                  Solo Test Topo.png

                                  Fredo

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                                  • soloS Offline
                                    solo
                                    last edited by

                                    That's very clean, wow, this is awesome.

                                    http://www.solos-art.com

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

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                                    • pbacotP Offline
                                      pbacot
                                      last edited by

                                      Adam,

                                      Very cool working out the c-points method. I didn't realize those capabilities existed.

                                      Fredo,

                                      Thanks for interface video. Looking great! What you do to program this is so far beyond my ken....

                                      Peter

                                      MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                                      • fredo6F Offline
                                        fredo6
                                        last edited by

                                        @krisidious said:

                                        here's a topo I just got from a survey company... if you need tests.

                                        I imported the dwg file and found that most contours were interrupted in their middle. This is a problem for TopoShaper currently, at it allows topological communication between contours.

                                        Krisidious Hanna Topo 2.png

                                        I just closed the missing links, and here is the result
                                        Krisidious Hanna Topo.skp
                                        Krisidious Hanna Topo.png

                                        Thanks again for this testing model

                                        Fredo

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                                        • KrisidiousK Offline
                                          Krisidious
                                          last edited by

                                          Yes, Fredo... No problem. That's where the road runs in the property. I just thought you'd like to get samples directly from surveyors. no touch ups. Looks great. can't wait to buy/download this plugin.

                                          Edit... actually that is not the road. it's where the grade heights are typed in as text.

                                          topo.JPG

                                          By: Kristoff Rand
                                          Home DesignerUnique House Plans

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                                          • soloS Offline
                                            solo
                                            last edited by

                                            Any news?

                                            Sorry about bumping this topic but I'm anxiously awaiting this plugin, hopefully it will be in the store soon.

                                            I have a tricky project, I got contours from Civil 3D in fbx format but even though it's not a very large or complicated mesh needed it seems that there are too many edges (think the segments are too much for su) I open it but it crashes sandbox after 7 minutes of thinking.

                                            http://www.solos-art.com

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

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