Adding value by QCing S57 products

Traditional CHS products are terms of accuracy and reliability. So it Regio n to want to maintain this level production of S57 ENC products. renowned f or their quality, especially in was natural for CHS Central and Arctic of q uality as they moved into full-scale. In traditional CHS products, quality control is done by visually checking t he final graphic product. This approach does not work for S57 products for two reasons. One, the amount of data in an S57 product makes it virtually i mpossible to check visually. Two, much of the data is not displayed on the graphic, it is held in an associated data file. This paper describes a series of semi-automated processes and procedures (w orking name QC Suite), developed to help hydrographers check the values of attributes in an S57 ENC product. QC Suite provides interfaces and tools to review attributes and attribute values in S57 ENCs. Using these tools the checkers ensure that the quality of our product is maintained and the time for production is kept to a minimum.