PROBLEM TO BE SOLVED: To shorten a term of the construction work, and reduce the construction cost by quickly completing respective processes while saving labor when an artificial nature-landform is constructed.;SOLUTION: The artificial nature-landform is displayed as a three-dimensional plotted model on the display of a computer or a printer. Then, the three- dimensional plotted model is prepared as three-dimensional data. Based on the three-dimensional data, the kinds of surface finish materials, and the amounts are automatically calculated, and surface data is prepared. Then, based on the three-dimensional data, the locations of frameworks, and kinds, the shapes and the quantities of framework materials are automatically calculated, and framework data is prepared. Then, based on the three-dimensional data, the artificial nature-landform is divided into a plurality of units. Then, the sizes of the units are prepared as unit data. Then, a working drawing of the framework materials which are used for respectively units is calculated, and working data is prepared, and the framework materials are fed to working means. In the end, the units are built up on a construction spot, and the surface of the built up artificial nature-landform is finished.;COPYRIGHT: (C)2002,JPO
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