This example creates an image data model, IMAGE_OBJ, and an image color map, CMAP_OBJ. The _read method reads the TIFF file, ENGINE.TIF, into IMAGE_OBJ, and _copyColormap applies the color map in CMAP ...

However, within the logical data model the goal is to express the business rules and logic. Therefore, abstractions do not have to be avoided, but they should be used surgically. When an area of the ...