A gesture-based construction project collaboration system includes a design information storage for storing a 2D plot or a 3D model of a building; a local information storage for storing local information mapped to location information in the 2D plot or the 3D model; a display for displaying the 2D plot or the 3D model from the design information storage and a desired part of the local information represented by at least one of a touch input and a gesture of a user; a gesture defining section for storing input gestures with respect to types of the local information; and a control section for detecting the location information selected by the user via the touch input on the display, and for controlling the display to display the part of the local information represented by the gesture with respect to the location information.
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