We have only produced files compatible with "The CAPN 8.3";
they may work with other CAPN versions, but this has not been tested.
CAPN allows users to store route waypoints and marks in a manner so that
they superimpose on the charts being displayed. Although the CAPN does
not distinguish a difference, for clarity, we refer to Waypoints as being
leg segment ends in a route, and Marks as simply points of interest. The Marks
that we allow you to download have been developed to exactly match the
information in the Cruising Guides. Very few discrepancies were found
and those have been corrected and reported to the Author's. We support Cruising Guide
authors by purchasing their publications, which contain a wealth of
information beyond simple waypoints. You should use up-to-date
Cruising Guides to get the best use of our CAPN data.Each CAPN Mark is
named, tied to an area code and linked to a Guide. The exact Latitude and Longitude, as
provided in the Guide, is used along with guide page numbers to quickly refer you
to the author source. Marks used bear different symbols to indicate
marinas, buoys, etc. By right clicking on any Mark, you can get
detailed textual definitions and more importantly, you can request the
"Photo." The photo option brings up a box containing a Google Earth
satellite overhead, where upon the Mark is shown at its actual
geo-coordinate location.
In some instances, the Lat / Long and photo may not agree with the chart
displayed location. This is because some charts are not correctly
aligned to WGS84 datum or the projection used to produce the base chart
produced a distorted land approximation. We have learned to trust the Author's
input, especially since their stated locations correctly align with the
satellite overheads.
Most of the Google Earth photos are fabulously detailed and bring the
cartographic data to life. Again, Google does not guarantee accuracy
or quality of this public domain data. In some instances, the photo
may be blurred or the area is obscured by cloud. We have used North Up orientation
and tried to pick an appropriate viewing altitude.
