A real-time cloud modeling, rendering, and animation system. - Joshua Schpok; Joseph Simons; David S. Ebert; Charles D. Hansen (Symposium on Computer Animation, 2003)

Modeling and animating gases with simulation features. - Joshua Schpok; William Dwyer; David S. Ebert (Symposium on Computer Animation, 2005)

Geometric overpass extraction from vector road data and DSMs. - Joshua Schpok (GIS, 2011)