anchor.diff:                  do! DefaultSurfaces.trafo
                   do! DefaultSurfaces.constantColor C4f.White
               }
  +            |> Sg.trafo trafo
               |> Sg.viewTrafo (cam |> Mod.map CameraView.viewTrafo)
               |> Sg.projTrafo (win.Sizes |> Mod.map (fun s -> Frustum.perspective 60.0 0.1 100.0 (float s.X / float s.Y) |> Frustum.projTrafo))
   
  
positive.code:         let rand = RandomSystem()
          Array.init 1000 (ignore >> rand.UniformV3d >> V3f)
  
      let blasg = 
          BlaNode(calls, IndexedGeometryMode.PointList)
              |> Sg.vertexAttribute' DefaultSemantic.Positions pos
  
negative.code: open Aardvark.Rendering
  open Aardvark.Rendering.NanoVg
  open Aardvark.Application
  open Aardvark.Application.WPF
  open Aardvark.SceneGraph
  open Aardvark.SceneGraph.Semantics
  open System.Windows.Media
  