Nautical charts show all the features necessary for your safe navigation from here to there. To get that information, however, you must know how to read a chart. Several outstanding boating safety ...

OpenCPN is a concise chart plotter navigation software for boaters that is designed to be used on a ship, but most importantly, on the helm station.

Learn how to make everything from basic line graphs to racing bar charts — all interactive and easily animated — with the echarts4r R package.