March 13th 2017

When I established the forums in 2005 it was to offer a more richer web experience and greater functionality than the platform where we started this social adventure in 2003, Yahoo Groups. The forums were once a busy hive of activity and provided locals and visitors with a wealth of information just like the Geocaching Ireland Discussion Group on Facebook today.

It was a time where we didn't have the many social media platforms we have today, and it was a different time in terms of mobility and technology. There was no instant access to information, no Google Maps and a very limited base map on your GPSr. Mobile connectivity for me was a 9600bps Infrared connection from a Nokia to a laptop and in later times to a PDA using WAP.

As we moved into the social media era so did our forums users. Geocaching Ireland moved there too, and we have a thriving community on the Geocaching Ireland Discussion Group on Facebook. As a result, forum activity isn't what it used to be and I have taken the decision to disable new registrations to the forums and to make the forums read only so any information there can still be accessed.

The discussion hasn't ended, it has just moved. Join us on the Facebook Geocaching Ireland Discussion Group .

Donnacha

OSI Map Viewer

Got a problem you can't solve? If it's your PC, GPS or iPOD, post it here and we'll help out if we can

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fitzet
Lugnaquillia 925m
Lugnaquillia 925m
Posts: 207
Joined: Mon May 17, 2010 12:44 pm

OSI Map Viewer

Post by fitzet » Thu Sep 22, 2011 1:39 pm

Not a technical problem, as such, but this is probably the appropriate section to post.

I'm planning two mountain/big hill trips before the end of October and have being using the OSI (Ordnance Survey Ireland) Map Viewer to get a better idea of the routes to take. Each of these involves a cache or two (natch :wink: ).

It's years since I did any sort of map work and I may have to do some revision but ..

Is there a way to convert the OSI X/Y references to GPS data, e.g. N 53 NN.NNN W 06 NN.NNN ? I assume that the OSI map data is local to Ireland so if there were a method for converting one to the other, it would have been developed locally.

For example, could I take the GPS co-ordinates off a cache listing and convert them to an 'OSI' equivalent ?

Thanks

PS I know I could probably achieve the same outcome by RTFMing my GPSr manual :oops:

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Spark_ie
Carrauntoohil 1039m
Carrauntoohil 1039m
Posts: 882
Joined: Tue Dec 18, 2007 12:01 pm
Location: Corkonian, lost in Dublin

Re: OSI Map Viewer

Post by Spark_ie » Thu Sep 22, 2011 3:06 pm

If you save a waypoint in your GPS in the format N 53 NN.NNN W 06 NN.NNN

Then go to your GPS settings, and change the positional format to either Irish Grid (IG) or Irish Transverse Mercator (ITM)

If you then go back to your map, or bring up the information on the waypoint you created it will now magically show in IG/ITM :-)
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fitzet
Lugnaquillia 925m
Lugnaquillia 925m
Posts: 207
Joined: Mon May 17, 2010 12:44 pm

Re: OSI Map Viewer

Post by fitzet » Thu Sep 22, 2011 3:34 pm

Thanks
And would it work in reverse, i.e. store in ITM and let the GPSr display as N 53 NN.NNN W 06 NN.NNN ?

And, since posting, I came across this.

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