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    [Plugin][$] TopoShaper - v2.7a - 01 Apr 24

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    • K Offline
      Kenny
      last edited by

      If you only have a limited number of these points above the terrain causing the spikes then delete these points before running Toposhaper.

      http://www.townscapesolutions.co.uk/

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      • pilouP Offline
        pilou
        last edited by

        Why not use Triangulate Points first by TIG ?

        triangle_tig.jpg

        Frenchy Pilou
        Is beautiful that please without concept!
        My Little site :)

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        • dereiD Offline
          derei
          last edited by

          After playing with TopoShaper I ended up with several (three) terrains overlapped. Why this happened? It seems I am missing something in functionality of this plugin, so instead of refining the just created terrain, I end up with new modified copies of the terrain.

          DESIGNER AND ARTIST [DEREI.UK](http://derei.uk/l)

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          • O Offline
            orei
            last edited by

            @kenny said:

            If you only have a limited number of these points above the terrain causing the spikes then delete these points before running Toposhaper.

            I have some deeps and some peeks. I don't know why this happened.
            I know that i can move up and down these points to get a level.. but i would like to understand how to evitate those problem.

            Why suggest to use triangulate point instead of toposhaper? toposhaper is much better than triangulate point for this, or not?

            Thanks mate!

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            • pilouP Offline
              pilou
              last edited by

              It was just a suggestion for have a preview of the terrain and maybe see if there are not aeras where some confusion between near vertices are possible! 😉
              And give to Toposhaper faces and not only vertices! 🤓

              Frenchy Pilou
              Is beautiful that please without concept!
              My Little site :)

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              • fredo6F Offline
                fredo6
                last edited by

                @pilou said:

                Why not use Triangulate Points first by TIG ?

                Pilou,

                The first iteration of TopoShaper is precisely the Delaunay Triangulation (same results normally as with the Falé /TIG plugin).

                @orei: the spikes are due to singular points with very different altitudes compared with immediate neighbours. TopoShaper CloudPoints generates a surface passing through the points.

                My suggestion would be that:

                • you generate the group of isocontours from the triangular mesh (an option in TopoShaper Cloud)
                • then from the isocontours group, you generate a quad mesh terrain, using the other tool of TopoShaper.

                This will smooth the spikes

                Fredo

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                • pilouP Offline
                  pilou
                  last edited by

                  😄

                  Frenchy Pilou
                  Is beautiful that please without concept!
                  My Little site :)

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                  • O Offline
                    orei
                    last edited by

                    @fredo6 said:

                    @orei: the spikes are due to singular points with very different altitudes compared with immediate neighbours. TopoShaper CloudPoints generates a surface passing through the points.

                    My suggestion would be that:

                    • you generate the group of isocontours from the triangular mesh (an option in TopoShaper Cloud)
                    • then from the isocontours group, you generate a quad mesh terrain, using the other tool of TopoShaper.

                    This will smooth the spikes

                    Sorry Fredo, tried to do what you suggest, but nothing change. I generate the group with triangular mesh (how always i did) and peek and deep are present. After that, used the quad mesh terrain, but peek and deep still present.

                    Could you, please, verify those things with my skp file previously attached to last post?

                    Thanks mate. You are the best!!!

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                    • fredo6F Offline
                      fredo6
                      last edited by

                      Orei,

                      Your cloud points data includes these sharp peaks and deeps. Because TopoShaper Cloud ensures that the terrain surface goes through ALL the points, these peaks will be reflected in the terrain.

                      Orei terrain.png

                      If they do not correspond to the reality, then simply discard the points or change their altitude.

                      Attached is the file with your original points in both Triangular and Quad Mesh mode.

                      Fredo


                      SKP file

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                      • pbacotP Offline
                        pbacot
                        last edited by

                        @orei said:

                        @fredo6 said:

                        @orei: the spikes are due to singular points with very different altitudes compared with immediate neighbours. TopoShaper CloudPoints generates a surface passing through the points.

                        My suggestion would be that:

                        • you generate the group of isocontours from the triangular mesh (an option in TopoShaper Cloud)
                        • then from the isocontours group, you generate a quad mesh terrain, using the other tool of TopoShaper.

                        This will smooth the spikes

                        Sorry Fredo, tried to do what you suggest, but nothing change. I generate the group with triangular mesh (how always i did) and peek and deep are present. After that, used the quad mesh terrain, but peek and deep still present.

                        Could you, please, verify those things with my skp file previously attached to last post?

                        Thanks mate. You are the best!!!

                        I find that if you to as Fredo suggests: generate terrain from the isocontours, you get a much more regular terrain and you can smooth the few remaining anomalies more easily. If you have bad points in the cloud, there is nothing the plugin can do to change that, but the above procedures helps to "average" them out some.

                        MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                        • T Offline
                          tulacong
                          last edited by

                          good...cool...cool good ....hehehehe

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                          • T Offline
                            tomaszdrgas
                            last edited by

                            One suggestion.. Can you make option maybe in the next reliese.. "Stick with orriginal contours" for triangulated mesh.. So the plugin would not make triangles between not adjacent contour lines (for example one point of triangle on hight=2m another h=3m and third h=5m). Could be done by inforcing engine to require for points two the same hights and fird different.. simple check.. I'm crab with programming but could be nice add on.. I usually have to stick with orriginal contours...

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                            • R Offline
                              rv1974
                              last edited by

                              http://www.scriptspot.com/files/u1362/remesh.gif

                              http://www.scriptspot.com/3ds-max/scripts/instant-meshes-bridge
                              Fredo, could Toposhaper follow the contours as shown on attached gif?
                              And, generally speaking, is doable to make a bridge to this external free retopologizer?
                              (https://github.com/wjakob/instant-meshes)
                              Or make something similar but independent 😉 ?

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                              • fredo6F Offline
                                fredo6
                                last edited by

                                Well. I know how to constrain the triangulation to the contours. Simply, that's not a trivial development and it requires some time. But it should come.

                                Fredo

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                                • P Offline
                                  penumbra
                                  last edited by

                                  Getting some Ruby errors with latest version,

                                  Date: 28-Aug-16 15:37:45
                                  An error occurred in CALCULATING TERRAINS
                                  The operation is fully aborted

                                  undefined method `x' for nil:NilClass

                                  mesh.rb: 134 -- ==
                                  TopoShaperAlgo.rb: 1996 -- block (2 levels) in hull_exclude_nodes_outside
                                  TopoShaperAlgo.rb: 1996 -- each
                                  TopoShaperAlgo.rb: 1996 -- block in hull_exclude_nodes_outside
                                  TopoShaperAlgo.rb: 1979 -- each
                                  TopoShaperAlgo.rb: 1979 -- hull_exclude_nodes_outside
                                  TopoShaperAlgo.rb: 1089 -- grid_mark_contours
                                  TopoShaperAlgo.rb: 535 -- top_analysis_contour
                                  TopoShaperAlgo.rb: 418 -- top_processing
                                  TopoShaperTool.rb: 574 -- algo_processing
                                  TopoShaperTool.rb: 666 -- execute_validate
                                  TopoShaperPalette.rb: 130 -- execute_from_palette
                                  TopoShaperPalette.rb: 76 -- notify_from_palette
                                  TopoShaperPalette.rb: 518 -- call
                                  TopoShaperPalette.rb: 518 -- block (2 levels) in palette_validate
                                  body_Lib6Palette.rb: 3058 -- call
                                  body_Lib6Palette.rb: 3058 -- execute_button
                                  body_Lib6Palette.rb: 2865 -- onLButtonUp
                                  Lib6Palette.rb: 93 -- onLButtonUp
                                  TopoShaperTool.rb: 984 -- onLButtonUp

                                  Thoughts? If it is helpful i have attached the file i am having trouble with.


                                  Topo File

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                                  • P Offline
                                    penumbra
                                    last edited by

                                    OK upon further inspection the errors above were causd by a conflict between toposhaper and the flux.io plugin for sketchup. Hope this is helpful for someone.

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                                    • array81A Offline
                                      array81
                                      last edited by

                                      After created a terrain, is there a way to show the "grid" on it? I see only the surface but would be nice to see the points of the grid for editing.

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                                      • fredo6F Offline
                                        fredo6
                                        last edited by

                                        Are you generating the terrain

                                        • from Isocontours
                                        • or from a point cloud ?

                                        And what is exactly the "grid" you mention. Is it the 'flat' horizontal grid used for projection ?

                                        Fredo

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                                        • S Offline
                                          smhbrv
                                          last edited by

                                          Hi everyone.
                                          I am an architect in Turkey.
                                          I model my terrain but I dont put my road in my terrain.
                                          It gives an error. (Unable to triangulate road surface. Try using smaller max road Segment Lenght.)

                                          I try lots of times but it gives same error.

                                          http://1.1m.yt/z6LbBUo.jpg

                                          Please look at attachment. Pls help me.


                                          My project

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                                          • S Offline
                                            smhbrv
                                            last edited by

                                            @smhbrv said:

                                            Hi everyone.
                                            I am an architect in Turkey.
                                            I model my terrain but I dont put my road in my terrain.
                                            It gives an error. (Unable to triangulate road surface. Try using smaller max road Segment Lenght.)

                                            I try lots of times but it gives same error.

                                            http://1.1m.yt/z6LbBUo.jpg

                                            Please look at attachment. Pls help me.

                                            Who can help me ?

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