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

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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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                                          • pilouP Offline
                                            pilou
                                            last edited by

                                            Why not use the SandBox / Project ?

                                            sand_box.jpg

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

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