| 摘要 |
PURPOSE: A shape measuring device for a cut surface of a bedrock and a method thereof are provided to automatically recognize the surface structure inside a bedrock in a construction site for increasing the stability of the construction and reflecting the recognized surface structure to the planning of the construction, thereby reducing the construction period and the construction cost. CONSTITUTION: A shape measuring method for a cut surface of a bedrock in a device thereof including four laser pointers for scanning cut surfaces, two closed circuit cameras for reading scanning points, and two stepping motors for controlling horizontal and vertical movements of the laser pointers under the control of a control box, includes the steps of reading a central position of scanning points in two images formed by the closed circuit cameras as pixel coordinates, computing three dimensional coordinates of the scanning points on the basis of coordinates of the laser pointers obtained by the two images and focusing distances of the cameras, repeating the above steps by moving the positions of the laser pointers regularly, interpolating the obtained three dimensional model coordinates to compute a three dimensional model, and converting the model data into geographical data by rotating the model data with reference two reference surfaces.
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