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

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    • O Offline
      orei
      last edited by

      Hi my friends,

      i have a little problem.. i tried to model a cloud point to get a soil.. everything ok, except some peek and deep that the plugin generate, and i don't know to get rid.

      You see in the attached screen, and in the skp file with point.

      Hope in your help! Thanks man!!


      PE_9064 - MODELLAZIONE TERRENO_light.skp


      anomalie.JPG

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      • O Offline
        orei
        last edited by

        no one could help me?

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        • cottyC Offline
          cotty
          last edited by

          What would you expect from such a point?

          spike.jpg

          If you only have some of these, you can move the vertices afterwards manually.

          Or you can use a plugin to smooth the surface after the creation.

          my SketchUp gallery

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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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