Re: [Talk-GB] Finding Unmapped public rights of way

2013-07-28 Thread Steven Horner
I did a little bit of work early this morning on this for County Durham but its very rough and nowhere near 100% accurate but gives a good idea of the status of PRoW mapped in the area. If you have a look at the 2 images linked below they show PRoW in County Durham, one with background mapping,

Re: [Talk-GB] Finding Unmapped public rights of way

2013-07-28 Thread Rob Nickerson
I created this in QGIS comparing the OSM data to the PRoW released from Durham County Council, I created a special query using intersects. This is why it's not perfectly accurate because if an OSM mapped math intersected with the PRoW data it would show up green, even though it may not be that

Re: [Talk-GB] Finding Unmapped public rights of way

2013-07-28 Thread Phil Endecott
Dudley Ibbett wrote: I'm trying to make use of the row files on rowmaps for derbyshire and staffordshire and and merging these with and osm map file to then produce maps that can highlight which paths are and aren't mapped. Thanks for doing this. One suggestion - it would be great if the

Re: [Talk-GB] Finding Unmapped public rights of way

2013-07-28 Thread sk53.osm
Hmm, I have sitting on my desktop a whole load of QGIS analyses of OSM designation=* against the DCC rowmap TAB file, but as I'm on my way to SotM Baltics wont write this up until I get back. I haven't looked in detail, but basic use of buffers seems to grab most matching footpaths (buffer OSM

Re: [Talk-GB] Finding Unmapped public rights of way

2013-07-28 Thread Dudley Ibbett
I have tried increasing the memory allocated to JOSM but it is still a very slow process. The most convenient way for me would be to download the Geofrabik file for derbyshire when I need and update but it looks like a merge with the derbyshire prow will take an hour or more at the current

Re: [Talk-GB] Finding Unmapped public rights of way

2013-07-28 Thread sk53.osm
Overview of missing Derbyshire footpaths: http://www.flickr.com/photos/sk53_osm/9390856924/ Jerry On Sun, Jul 28, 2013 at 5:33 PM, sk53.osm sk53@gmail.com wrote: Hmm, I have sitting on my desktop a whole load of QGIS analyses of OSM designation=* against the DCC rowmap TAB file, but as