Patent ID: 8818770

Claim:
A computer-implemented process in a roof estimation system comprising: displaying, by the roof estimation system, a graphical user interface including a first aerial image of a roof structure of a building and also at least one first visual marker that is moveable by a user in a same display window as the first aerial image while said first aerial image is displayed within the graphical user interface; moving the first visual marker with respect to the first aerial image of the roof structure to a first location in response to input from the user; storing data in a memory of the computer of the first location to which the first visual marker was moved; displaying a second aerial image of the roof structure of the building, the second aerial image providing a different view of the roof than the first aerial image; and displaying a location of a second visual marker on the roof structure of the building in the second aerial image of the roof structure based on an indication received from the stored data in the memory of the first location on the displayed first aerial image to which the user had moved the first visual marker; and generating and outputting a roof estimate report using a report generation engine, wherein the roof estimate report includes one or more top plan views of a model of the roof annotated with numerical values for corresponding slope, area, or lengths of the edges of at least some of the plurality of planar roof sections of the model of the roof.