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    New method for roads on a Terrain

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    • MALAISEM Offline
      MALAISE
      last edited by

      Gaius is right ,KarlHeinz , please give us the trick 😆

      MALAISE 👍

      La Connaissance n'a de valeur que partagée

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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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