Vig a construction schedule helps planners to identity potential construction problems prior to actual building construction. Planners must envision the sequence of construction, the workspace logistics,and utilization of resources and equipmentin space and over time. This paper discussesmethodsofgenerating,visuaMng, and evahratingconstmctionplanning informationwith CADbased tools.Weuse a construction exampleto illustratehowfeature extractionof3D CADmodels can help identify constructionproblems and evaluatethe quality of a constructionplan through 4D analysisand 4D amtotation. Keywords 4D CAD, annotation, construction, feature extraction, informationvisualization
Kathleen McKinney, John C. Kunz, Martin A. Fischer