Patent ID: 7913190

Claim:
A viewer system comprising: a computer including a display screen and a user input; and a computer readable medium having computer executable instructions stored thereon for execution by the computer, the instructions comprising the steps of: providing a display on said display screen of both a three dimensional (3D) model and a spreadsheet including elements relating to the 3D model; augmenting by adding at least one column or array to the spreadsheet in response to an entry at the user input so as to produce an augmented spreadsheet linked to the 3D model, so that at least one element of the augmented spreadsheet has an additional value; and automatically reflecting in the 3D model the additional value of the at least one element of the augmented spreadsheet, without the creation of any new geometric entities or the reflection of any spatial manipulation or motion of the 3D model, and without reflecting any design changes of the 3D model, in response to the augmenting of the spreadsheet.