As promised, although I'm not sure why there is an emphasis on cyclists in the 
email - legs work fine as a form of transport, as do cars, canoes etc!

Cheers,

Clive.


Subject: [Talk-Midlands] OpenStreetMap - Rutland mapping weekend - We
need    cyclists with gps
Date: Thu, 24 Aug 2006 12:21:09 +0100
From: Andy Robinson <[EMAIL PROTECTED]>
CC: [EMAIL PROTECTED]

An OpenStreetMap mapping weekend is planned for October 14th and 15th during
which time we hope to map all of the highways and byways of Rutland.

We would welcome any cyclist newcomers to OpenStreetMap or those who might
simply be interested in coming along to the weekend to find out what it's
all about.

While cyclists with their own GPS units are a big help, we normally have a
number of gps units available for loan during mapping weekends so it's very
much open to all.

The mapping weekend webpage on the OpenStreetMap wiki can be found at:

http://wiki.openstreetmap.org/index.php/Rutland

Planning is in the early stages but we hope that your members may be
interested and we would welcome the help of any local cyclists in setting up
the weekend.

These weekends have been very successful to date. Rutland will be the 5th
mapping weekend since the first one on the Isle of Wight in May of this
year.

The Home portal for OpenStreetMap (OSM) can be found at
http://openstreetmap.org

You can find more about OSM below the signature of this email

Regards,

Andy Robinson
[EMAIL PROTECTED]




What is OSM?

OpenStreetMap is a voluntary not-for-profit organisation that anyone,
anywhere can join. The goal of OSM is to provide free map data that can be
used by anyone. All of our maps are freely available on the internet at
www.openstreetmap.org.

Why would anyone want to do that? Aren't there are lots of free maps out
there?

Most of the maps that you come across on the internet or in your home are
protected by very stringent copyright laws. These rules stop the maps from
being used in unique and unexpected ways, stifling people's creativity and
imagination.

So how does OpenStreetMap work?

Anyone with a handheld Global Positioning System (GPS) receiver can start
mapping straight away. You need to set your GPS to record tracks and then go
for a walk or for a bike ride or a drive creating a paper trail on the GPS
unit every second. Walk around some streets in your neighbourhood, making
some notes about the street names and any one way streets or roundabouts
that you find. When you get home, plug your GPS into your computer and
upload the tracks that you recorded onto the OSM website. In under an hour,
you tracks will appear on the website. You can then use the online tools to
map roads and street names that anyone in the world will be able to see.

Why did you come to Rutland?

Being Britain's smallest county we wanted to demonstrate that it is possible
for quite a small team of volunteers to achieve a lot in a small period of
time. Over the weekend we hope to map as many of the county's roads,
streets, cycle ways and footpaths as possible.

Who can be involved?

Anyone with access to a GPS unit and a computer with an internet connection
can join in. Even if you don't have a GPS, you can see what maps have been
made of your area and improve them. Add street names and points of interests
and make the maps even more useful.

If anyone in the world can see the maps, will people be able to see where I
live and where I work?

When you upload a track onto the OSM website you can choose to do so
publicly or privately. If you choose to upload private tracks, then only the
site administrator will know they came from you. Because of the strict
copyright laws it is important that the site administrator knows who
contributed what.

What is GPS?

GPS stands for Global Positioning System. The system is made up of around 24
satellites that are constantly orbiting the earth, transmitting information
about their position and time. The information they transmit is a type of
radio wave, and can be picked up and understood by handheld GPS units or
Satellite Navigation systems in cars. By comparing the signals from at least
four satellites it is possible for a GPS unit to work out its position
anywhere on the earth to within 5 to 10m. GPS units are not tracking
devices. They only have receivers not transmitters. It is not possible for
someone to track you if you are using a GPS receiver.




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