@INPROCEEDINGS{7398399, author={K. Ketabchi and A. Runions and F. F. Samavati}, booktitle={2015 International Conference on Cyberworlds (CW)}, title={3D Maquetter: Sketch-Based 3D Content Modeling for Digital Earth}, year={2015}, pages={98-106}, keywords={Earth;geophysics computing;solid modelling;3D Maquetter;3D landscape elements;Digital Earth representations;bodies of water;digital elevation models;orthophotos;sketch-based 3D content modeling;sketch-based system;sketch-based tools;vegetation;Earth;Ecosystems;Geometry;Geospatial analysis;Solid modeling;Three-dimensional displays;Vegetation mapping;Computer Graphics;Digital Earth;Interaction Techniques;Sketch-based Modeling}, doi={10.1109/CW.2015.41}, month={Oct},}