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

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    • B Offline
      Ben Ritter
      last edited by

      When I run the toposhaper using terrain generator, although the contour lines setting is set to 1.0' increments, the first contour line above O.O' becomes 0.783' instead of 1.0'. After that, the contour line intervals are all 1.0' apart.

      What could be the cause of this? How can I fix this?

      Thanks. Ben

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      • B Offline
        Ben Ritter
        last edited by

        topo.skpHere is the file of cloud points

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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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