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Post details Post   (Contract pics)
Simon, most intere.. by csd   (Show all posts)
simon3
2009-05-04 06:46:26
"Section of the map." from simon3 Contract pics
Picture: Section of the map. (Contract pics)

East West Map of Dublin Mountains
The arrival a few years ago of accurate and free data for height over large parts of the earths land surface (SRTM) has proved a bonanza for map makers. Map producers both commercial and not can use this data as basis for maps and diagrams such as East West's new map. (The small MountainViews coloured height map for local summits is derived from SRTM) So far, so great but with limitations we'll get to.

East-West's map has combined the contour data with much else. It is strong on many things of interest to walkers: names, alternative names, parking both official and not, bus route numbers are all well covered. Add to this mapping of forests and watercourses and this is a very useful resource. The Dublin Mountains map is the first of a series of four to cover Dublin/Wicklow so it starts further north than the Harvey map including pieces of Tallaght and Deansgrange.

Take a look at the sample of the map (on paper the km squares are 33.3mm wide). There's plenty of interesting detail such as the boot symbol, bottom left, used to indicate "access", the boardwalk, the names and historical detail which you won't find elsewhere.
Inevitably on a map with this level of ambition there are errors. Example from this sample include the absence of the stony ground around the Coffin Stone (this is on the Harvey map), the odd break in the track from the Coffin Stone to Djouch - it's a slushy track all the way. Another issue is the contour info mentioned earlier - bottom right there is stream shown - this is in a substantial gulley (one of a number) which has been mentioned by many on this site. There is no sign of the gulleys on the contours. (There is on the Harvey map and also on the OSi 1:50K). On other sections of the map there are errors to crags and the future line of the Luas after Sandyford is completely wrong.

Every map series I've seen has its foibles. With the OS for example it's the paper, the lack of recreational detail and lack of checking such as totally inconsistent forest tracks. So would these comments about East-West's maps stop me buying them? No, for walking purposes this map has considerable advantages and I would expect it is highly useable for many recreational uses (though perhaps not orienteering).

Mapping and the possibilities for more useful recreational maps have changed more in the last 5 years than in the last 50. Starting with modern PCs which with 2Gb memory can manipulate all-Ireland datasets, GPS accurate to 2m and SRTM we should now consider the internet. In future I believe we will see more collaborative mapmaking where the users join in, wiki style. This has already started - see Open Street Map or pazapas work on this site.

As for East-West's initiative - I hope they succeed since these maps have useful detail.
Ireland Map v1.91 .. by pazapas   (Show all posts)
For once no jokes .. by maclimber   (Show all posts)
Roll up get your b.. by maclimber   (Show all posts)
A Mournes run out .. by Bleck Cra   (Show all posts)
Yes simon3, I unde.. by wicklore   (Show all posts)
Researching a rout.. by simon3   (Show all posts)
Just to follow up .. by csd   (Show all posts)
Got back to my car.. by paddyhillsbagger   (Show all posts)


RECENT CONTRIBUTIONS 1 2 3 .. 22 Next page >>
Summit Comment
Croghan Kinsella: Fine views and a gilded history
Bunsen7 a day ago.
Decided it couldn't do any harm to get on the M11 down past Arklow and make the journey to Croghan Kinsella. Coillte and the ESB have created a 35 MW wind-farm on the eastern flanks of the mountai...

  
Track
Easy Stroll up Croghan Kinsella
Bunsen7 a day ago.
Easy Route up Croghan Kinsella. Slightly surprised this was not already uploaded, as I imagine it is the most frequen... walk, Len: 8.7km, Climb: 336m, Area: Croghan Kinsella, Dublin/Wicklow (Ireland

  
Summit Comment
Crocknasmug: Inishowen Head Loop Walk
pearnett a day ago.
As I parked up in the car park beside the Stroove Lighthouse I then began the loop walk around Inishowen Head in an anticlockwise direction. The first part of this walk is along a road past a few ...

Track
Walking under the water!
march-fixer 5 days ago.
With the Blessington Lakes being deprived of input due to the dry conditions, the water level has dropped considerably. walk, Len: 13.1km, Climb: 197m, Area: Dublin/Wicklow (Ireland)

  
Summit Comment
Chimney Rock Mountain: Great reward for little effort!
PinkyFloyd a week ago.
Getting to the top of Chimney Rock doesn't take long and isn't too arduous. The views from the top are stupendous though and you'll be glad you climbed it. The rocks at the top help make this moun...

  
Track
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Aidy a week ago.
A leisurely walk in one of the most amazing areas in Ireland, or anywhere for that matter. The route took me to the to... walk, Len: 7.9km, Climb: 316m, Area: Mullagh More, West Clare (Ireland) Mulla

Summit Comment
Slieve Beg: Stared down the Devil's Coachroad and decided he can have it
PinkyFloyd a week ago.
I know that people scramble up the Devil's Coachroad though the mechanics of actually getting up the top part elude me. Braver men than I! Standing on top of Beg, looking down the massive gulley i...

  
Track
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Aidy a week ago.
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Summit Comment
Cove Mountain: Return to Cove!
PinkyFloyd a week ago.
Today was the second time I have visited Cove. Anyone who read my first comment will know my first visit was alone and an altogether nervous affair. Well, the return was a much better experience. ...

Track
Muck to Meelmore Loop
Bunsen7 a week ago.
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Summit Comment
Truskmore SE Cairn: Letrim - County high point - Done with my Grandad
ShaunDunne a week ago.
While climbing Truskmore my Grandad and I walked over and bagged our Second County high point of the day. Was very windy and wet up there today.

  
Track
Pic de Lustou
David-Guenot a week ago.
A fantastic, hard-won summit, a relentless, never-ending haul up followed by some easy but somewhat exposed scrambling o walk, Len: 14.7km, Climb: 1684m, Area: France, Occitanie ()


RECENT CONTRIBUTIONS 1 2 3 .. 22 Next page >>