A method and system for modeling rooms or chambers in a structure for intuitive and accurate estimation of process parameters (e.g., material and labor costs for performing the process) associated with the rooms. A graphical user interface to an estimation program enables an estimator to insert a model...http://www.google.co.uk/patents/US6816819?utm_source=gb-gplus-sharePatent US6816819 - Graphical method and system for modeling and estimating construction parameters
