CH/Z 9026-2018 CH/Z 9026-2018 Digital Geospatial Information Digital Products Digital Water Depth Model
This standard specifies the composition of digital water depth models of basic geographic information digital products, their grading, requirements, quality inspection, marking, packaging, and confidentiality. This standard applies to the production, quality inspection, and use of digital water depth models of basic geographic information digital products at scales of 1:500, 1:1,000, 1:2,000, 1:5,000, 1:10,000, 1:25,000, 1:50,000, and 1:100,000.