| 摘要 |
The invention involves: a voxel data reading process (step S1) used to read voxel data on the shape of an object of analysis that is defined by the groups of rectangles of voxels; a boundary determination process used to determine whether each voxel contained in the voxel data, which is read in the voxel data reading process S1, belongs to a boundary separating the inside from the outside of the shape of the above-mentioned object of analysis; a connected voxel determination process (step S2) used to recursively determine whether the voxel at each level is connected to the other voxel that is determined to belong to the boundary in the boundary determination process; and a voxel redefinition process used to redefine each voxel, at each level in the groups determined in the above-mentioned connected voxel determination process S2, to the voxel at each level several times wider than the rectangle of a voxel determined to belong to the boundary in the above-mentioned boundary determination process.
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