PROBLEM TO BE SOLVED: To bring a surface color when scaling a 3D object, close to a surface color before scaling.;SOLUTION: When scaling a size of a 3D object 200 constituted by a set of pixels that are colored regions 40 and pixels that are base regions 42 that are not the colored regions 40, a scaling factor in a direction perpendicular to an object surface with respect to the colored region 40 is made smaller than a scaling factor in a direction parallel to the object surface.;SELECTED DRAWING: Figure 8;COPYRIGHT: (C)2019,JPO&INPIT
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