Nautical chart
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A nautical chart or hydrographic chart is a graphic representation of a sea region or water body and adjacent coasts or banks. Depending on the scale of the chart, it may show depths of water and heig
Automatically labeled nautical chart
Compass rose
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A compass rose or compass star, sometimes called a wind rose or rose of the winds, is a polar diagram displaying the orientation of the cardinal directions and their intermediate points. It is used on
Nautical chart
…landmark. On nautical charts, the top of the chart is always true north, rather than magnetic north, towards which a compass points. Most charts include a compass rose depicting the variation between magnetic and true north. However, the use of the Mercator projection has drawbacks. This projection shows the lines of…
Early 32-wind compass rose, shown as a mere collection of color-coded rhumblines, from a Genoese nautical chart (c. 1325)
First ornate compass rose depicted on a chart, from the Catalan Atlas (1375), with the Pole Star as north mark
A 16-point compass rose on the grounds of a library serves both as a pedagogical device and public art.