Revit add-in demonstrating use of SpatialElementGeometryCalculator to determine net and gross wall area per room.

For a detailed desciption, please refer to the original Revit API discussion thread on Door/Window Areas and The Building Coder discussions on:

• Calculating gross and net wall areas
• Using FindInserts to retrieve all openings in all wall types
• Gross and Net Wall Area Calculation Enhancement
• Wall Area Calculation Handling Multiple Openings in Multiple Walls in Multiple Rooms
• IFCExportUtils Determine Door and Window Area
• Bug Fix – do not delete while iterating
• Migration to Revit 2016

• Phillip Miller, Kiwi Codes Solutions Ltd.
• Jeremy Tammik, The Building Coder, ADN Open, Autodesk Inc.
• Vilo
• Håkon Clausen

This sample is licensed under the terms of the MIT License. Please see the LICENSE file for full details.