Netherlands

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• There are national geo standards (IMGeo)
  • ImGeo 2.0 (2012) integrates with CityGML, thereby allowing 3D modeling.
  • It's managed by Geonovum, the NSDI executive committee in the Netherlands.
• AHN: Up-to-date Height Model of The Netherlands (Actueel Hoogtebestand Nederland, site is in Dutch)
  • AHN is a digital terrain model of the Netherlands, owned by the 26 water boards and Rijkswaterstaat.
  •  AHN-1: The first generation made in 1996-2003; pointspacing is 4-5 m.
  • AHN-2: Starting 2006, a second generation, in progress with 9 points/m2 (1/3 m pointspacing).  The updated specs is to handle their most demanding application: dike management. According to a 2010 paper, "How the AHN became a massive point data cloud", "the massive amount of data and limitations of hard- and software caused the point data to be much less used than the grid data."
  • It is apparently commercially licensed; you email them a SHP file of your area of interest, to get a quote.
• Apeldoorn
  • The city of created a 3D model in 2004, a project of Red Geographics
  • City GIS data imported into Visual Nature Studio, draping of aerial image, placing of trees, adding hand-modelled buildings and exporting to VRML with SceneExpress
  • result is online at www.virtueelapeldoorn.nl
  • article on the Apeldoorn 3D project
• Delft
  • DelftTech is a 3D laser company, one of the earliest (since 1998). They "scanned the inner city of Delft and scanned and modelled the inner cities of Doetinchem and Zutphen and modelled it back to before WWII (1939). Doetinchem as well as Zutphen have been reconstructed in 3D and made interactive with a game engine. This has been done for Cultural Heritage Preservation."
• general contact for people interested in modeling the country: Paul-Christiaan Diks (paulchristiaan.diks@nl.origin-it.com)
• Meerstad Project
  • a company called YDreams did something called the Meerstad Project to visualize "planning of a new lake and city within an 700km² area, which will significantly change the landscape of Groningen, an island in the north of The Netherlands."
    
• July 2006, Gustavo Arciniegas shares a view of a VTP model of his flat study area Dinkel, the Netherlands. Blue lines outline the Dinkel river and the polygons represent a certain flood scenario: