Functions
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Stripcharts
For longer term knowlege, the eye's ability to discern patterns is best achieved thru graphical means. Shift & Puff are for short term. Stripcharts are for the long term.
Stripcharts
The Matryx display can show stripcharts, allowing you to determine long term trends in true wind and other functions. These stripcharts have the advantage of being available outside in any weather.

OckamSoft also provides stripcharts which, because they run on a PC, have higher resolution, color and multiple items per page. However, unless you have a waterproof PC (e.g. a ToughBook), they are usually relegated to below decks.


Stripcharts are also available on the Eye wireless PDA which can be on deck.
Sail plan
Another item that falls into this same vein is the OckamSoft Sailplan application.
  • Sail crossover information is displayed on a true wind speed vs. true wind angle graph.
  • Current and next-leg true wind conditions are marked.
  • If a polar is available, apparent wind speed lines and targets are added.
  • Wind statistics are displayed as scattergrams and 1 sigma oval for the current and next leg.
  • An estimate of wind direction and speed trend for the next hour is included.