Ecomodeler, and its powerful viewing software Ecoviewer, give users the ultimate terrain model builder and viewer! Ecomodeler is a dynamic GIS data processor that combines elevation and land cover data accurately in minutes to build fully populated 3D landscape models. Ecoviewer is a freely distributable 3D viewing interface that displays the models in full motion 3D. Ecoviewer gives users unprecedented access to 3D models with the ability to walk through, fly over, manipulate, and send out full motion 3D landscape models on CD.