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    New method for roads on a Terrain

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    • EdsonE Offline
      Edson
      last edited by

      could you post some images of each step?

      edson mahfuz, architect| porto alegre • brasil
      http://www.mahfuz.arq.br

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      • charly2008C Offline
        charly2008
        last edited by

        OK, OK , Csaba and Malais exceptionally I will share my secret with you. 😄

        Basically, the method is quite simple. But a bit of manual work is still needed. No pain, no gain. I would be glad if the workflow could improved by other users.

        For the creation of the road survey line on the surface of the terrain I used the Bezier splines plugin from Fredo6 especially the Catmull Spline. The next tests i will try the F- and B-spline to see what is the best. Thanks to Fredo for this great plugin. The work with this tool requires a little practice to get an optimal result because the line goes sometimes into the surface.

        Problems i had with the Followmeandkeep plugin when the road has strong winding curves. See an example in the skp below.

        When i was satified with the road survey line , i used the Followmeandkeep plugin to create the road along this line. Thanks also to Wikii.

        And now the handmade part had to be started. I removed all the terrain surfaces below the road. Afterwards i selected all edges from the road and from the trerrain surface and generated a new surface between the road the rest of the terrain with the sandbox tool "From Contours". This tool produces some overlapping surfaces but after exploding it is easy to erase that surfaces.

        I hope you will understand my workflow description. It would be nice to hear from other users about their experiences with this method and possible improvements.

        Karlheinz


        Test Terrainxxx.skp


        Test Terrainxxx.jpg

        He who makes no mistakes, makes nothing

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        • charly2008C Offline
          charly2008
          last edited by

          Hi,

          i forgot to mention that the spline should be welded by the weld plugin and the road as a group has to be exploded. If you have further questions don't hesitate to ask me.

          Karlheinz


          Catmull Spline.jpg


          Catmull with cross section.jpg


          Edges selected.jpg


          Followme and keep.jpg


          Road Group exploded.jpg


          Terrain erased.jpg


          Edges selected.jpg


          Sandbox from contours.jpg


          After cleaning.jpg

          He who makes no mistakes, makes nothing

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          • M Offline
            mirjman
            last edited by

            the final product looks very clean, thank you for sharing

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            • charly2008C Offline
              charly2008
              last edited by

              What also will help to calculate the approximate slope of the road line are height contour lines. Generated with the contour lines plugin.

              Karlheinz


              Test Terrain.jpg

              He who makes no mistakes, makes nothing

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              • EdsonE Offline
                Edson
                last edited by

                which contour lines plugin are you talking about?

                edson mahfuz, architect| porto alegre • brasil
                http://www.mahfuz.arq.br

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                • charly2008C Offline
                  charly2008
                  last edited by

                  Hi Edson,

                  Name : contour_lines
                  Author : Didier Bur
                  Date : 9/22/2004

                  Karlheinz

                  He who makes no mistakes, makes nothing

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                  • charly2008C Offline
                    charly2008
                    last edited by

                    A long winding road to the top of the hill.


                    Long winding road.jpg


                    Long winding road.1jpg.jpg

                    He who makes no mistakes, makes nothing

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                    • charly2008C Offline
                      charly2008
                      last edited by

                      Hi,

                      in between i tested several Bezier splines. The best for winding roads is the Courbette spline because you can better control the radius of the road curves. See examples below.

                      Karlheinz


                      Long winding road.jpg


                      Long winding road.1jpg.jpg

                      He who makes no mistakes, makes nothing

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                      • charly2008C Offline
                        charly2008
                        last edited by

                        Hi to All,

                        Castle updated with a road.

                        Karlheinz


                        Burg.jpg

                        He who makes no mistakes, makes nothing

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                        • GaieusG Offline
                          Gaieus
                          last edited by

                          Definitely getting better. Looking forward to some really cool (say Vue?) renders!

                          Gai...

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                          • charly2008C Offline
                            charly2008
                            last edited by

                            HI Gaieus

                            Unfortunately I am not familiar with Vue. Currently, I am reasonably happy that I understand Kerkythea a little bit. I also have problems to create a good texture for the terrain. The whole scene should look more natural. Till now i'm not yet really satisfied with the results.

                            Perhaps someone would render the model in Vue. I would be interested how the model looks perfectly rendered. I would like to make it available for it. The model can be downloaded from the following link:

                            http://www.speedshare.org/download.php?id=92BB996813

                            Karlheinz

                            He who makes no mistakes, makes nothing

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