Systems and methods are disclosed for determining a pitch of a roof of a structure by analyzing one or more images showing the roof, at least one of the one or more image showing the roof obtained with a camera of a user device and an image not obtained by the user device. The system uses the one or more images including an image obtained by the user device to generate a report for determination of an amount of materials needed for a construction project, the report including at least one image showing the structure and an estimated area of the construction project.