This standard specifies the density measurement content and operating procedures of the original printing image, transitional negative/positive film, tear film, proofing sample and map printed matter in the map printing process. This standard applies to the quality inspection of topographic maps, thematic maps and image map prints. For non-map printed materials, it can be implemented by reference.
1995GB/T 15638-1995 Specification for optical densitometric measurements of printed maps
GB/T 15638-1995 Specification for optical densitometric measurements of printed maps was changed to GB/T 14511-2008 Specifications for printing of maps.