Data Structure of Files in Embedded Electronic Chart Apparatus
LI Guang-fei · Navigation of China · 2009
For improving chart display speed of embedded electronic chart apparatus,enhancing effectiveness of data and reducing storage capacity,a specially designed nonstandard digital vector chart is adopted,of which the data formats are classified into dot,line and surface,and integrated with embedded processor display management scheme.This way not only improves sea chart apparatus processing speed when displaying chart and simplify hardware design,but also strengthens security and secrecy of products.