An apparatus, tool, and method for modifying a portion of a floor plan based on measurements made by one or more sensors. The apparatus comprises a correction unit for compensating the sensor measurements for instrument errors and a layout unit for improvi...

A method, tool, and device for assembling a plurality of partial floor plans into a combined floor plan by means of an electronic device. The method involves positioning partial floor plans relatively one to another, pairing substantially aligned walls, an...

A method, tool, and device for determining the coordinates or a plurality of points on a substantially plane surface by means of an accelerometer and a camera. The coordinates of each point are computed by determining a perpendicular projection of the came...