Effective and practical planning for laser scanning of outdoor construction is a challenging task. The selection of scanner positions according to on-site conditions within a limited time typically depends on ad-hoc procedures based on an operator's personal experiences. By using mathematical programming, the authors have been developing a planning technique to obtain minimum scan positions and their best configuration as an optimized solution. This technique takes into account the visibilities of the target object from every candidate scan position, based on precedent information such as 2D plans of the jobsite or primitive 3D models based on photogrammetry before starting the on-site scanning. Because existing applications cannot handle replanning and additional jobsite conditions, adhering to a prepared plan is often difficult. This paper proposes a mobile application to deal with the replanning functionality. Using a server-client system implementation, the proposed method transfers the high computational capability of the server to a mobile client at a jobsite.
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