Tools for Field Surveying - reviews of ZiPCAD, a PDA-based tool that imports and exports DXF files; PhotoModeler software, which creates a scaled 3D model of a building or space; and the Cyrax 3D Laser Scanning System, which creates a 3D "cloud" of data points from a given station point, Evan H. Shu, ArchitectureWeek, July 30, 2003
