Systems and methods for reslicing data in a representation of a relational database are disclosed. Basically, the system includes a work station that interacts with and controls one or more pieces of test equipment to test a product under a variety of conditions. The ribs circumscribe the device and define rectangular, square, diamond, wavy, or knurled patterns. Then, within the range of colorimetric data on patches outputted on the basis of the patch data, a target color having the highest saturation is determined for each hue. After each assignment, participants can update their wish-list to affect further assignments. The recordingreproducing apparatus can perform high-accuracy tracking control, is easy to manufacture, and is reduced in size.