All production coverages must be consistently defined. The Spheroid used must be GRS1980 and the xshift and yshift must be left at zero. All production coverages must be consistently defined. The projection for each coverage must be defined in the prj.adf file for the coverage. This provides an additional means for determining the projection of a coverage.
Indexing can considerably shorten lookup times.
This checklist is an abbreviated version of the rules and guidelines throughout this standard. For more detail refer to the original statement. File and directory names contain only the specified alphanumeric characters and special characters, used in the specified syntax. The first character of file and directory names is alphabetical. File names do not exceed 14 characters in length.