vtkEarthSourceで海岸線付きの球が描ける.SetOnRatioの既定は10で1が一番細かい.日本の形状は少しまともになるが,北海道,四国,九州が出てこない…
package require vtk vtkEarthSource earth earth SetOnRatio 1 vtkPolyDataWriter writer writer SetInput [earth GetOutput] writer SetFileName earth.vtk writer Write writer Delete earth Delete