Recent diary entries
I did something to my ankle last Christmas, and have been walking recently as part of recovery. Birkdale has many hidden little nice places; I'm continually impressed by the quality of the local council's parks and water diversions.
OpenBelgium 2015 took place in Namur on February 23.
Ben Abelshausen organized a session on OpenStreetMap and asked me to be co-presenter. I arrived early in Namur, because I wanted to avoid the traffic jams around Brussels. Hence I had plenty of time for a short walk in the town center. Although a lot of POIs are already mapped, I still took over 300 pictures and hope to find some missing features. And yes, so far I found a couple of missing memorials, statues and it turned out that some POIs could be updated as. Haven't finished this yet.
Back to the conference. The session on OpenStreetMap was titled "It's the community, stupid" to emphasize that this data is not coming from the public sector, unlike most other data discussed in the other sessions.
I had the honour to kick of the session and talked about the daily life of a crazy mapper. After me, Jorieke showed the audience that mappers do work together via a variety of tools and that mapping can be a social event as well. She also talked about collaboration with communities in developing countries through HOT.
Next, Ben talked about imports and how good imports can enrich the community. Finally, Glenn talked about using OpenStreetMap data and how consumers can be part of the community as well.
Afterwards we had to answer several questions on quality, possible collaborations with the government and how people could start using data. It seems that there will be follow-up meetings on the use of and the contribution to OpenStreetMap within the public sector as well.
Exiting times and I hope this will increase the interest in OpenStreetMap.
It was also great to see Nicolas and Julien back, as well as meeting Marc Ducobu, who is doing the translations to French of our Mapper of the Month interviews.
The next event is a mapping party in Brussels with as main topics cycling and wheelchair access. The event will take place on April 25, for more info, see the wiki.
Hope to see you there.
The February release is delayed a few days until we clarify a certificate problem with OpenStreetMap Foundation.
What could help us: if you are a StartSSL customer (or know one), please ask them when they intend to be included in Java list of Root Certificate Authorities.
The goal is to be able to keep HTTPS access to the OSM API and website, for old and new versions of JOSM.
A month ago the busroutes changed for a the eveninglines (avondlijn). (90-98)
I am planning to dig in, who wants to help out?
I have started to scroll through the websites of the big Belgian banks to locate the ATMs in Belgium.
My procedure is checking off, bank by bank, province per province.
I started with ING in West-Vlaanderen. If you pass through Alveringem, you'll see my first change.
This is a big task, so if you want to dig in ... go for it :) I started a task on Producteev to coordinate the effort. Sent me a private mail to be added as contributor.
Areal image of my home town "Negombo- Srilanka"
Added a few basic points with iD on Avondale Lane, Aberdeen and Dunlop & Lisk, Matawan to gain basic familiarization with use of iD.
Add TMS Parcel layer
Using OpenID in your browser, you can add custom overlays to your map.
- Edit in OpenID
- Click Background settings tab
- Click Custom
- Enter the URL below
After reading this blog post: https://blog.amigocloud.com/sub-meter-data-collection-with-an-iphone-into-openstreetmap/
I checked one of the created ways done after a survey with centimeter accuracy: http://www.openstreetmap.org/way/329799637
Unsurprisingly, all surveyed nodes have been imported in OSM. But OSM doesn't need a node every 30 centimeters, even not every meter if the angle is null.
Someone to contact Ragi Burhum, AmigoCloud CEO, to explain that JOSM is also providing a "simplify way" function ?
Hi OSM contrubutors, here you can see the result in the software (because on the classic map it isn't visible with classic layer)
We need to use the key lanes = x (x is the number of way in the both direction) in this case: lanes=4. We indicate the number of lane in the both directions: lanes:backward=2 lanes:forward=2 We need to use the lane on the left road if we want to turn left placement:forward=left_of:1 This is the mark sign indicator on the road turn:lanes:forward=left;through|through;right
Of course all can improve it again (my work, my contribution)
P.S.: Don't forget, it's for to do a "map" and if we want somebody use it, it's must be a little bit "pleasant"...). But in the reality, it isn’t a simple map...
This is an example of traffic calming = island, we need only to draw one way and not two with several tag one it.
On this picture (the link below), you can see the lanes (numbers of lanes forward/backward and turn lanes) the result in the software and the mark on the real road (it isn't a trunk and motorway), so in the middle it' isn't a "guard_rail" so we can considered that like a "traffic_calming = island" (the road in the bottom is a bus way and we can't turn on it probably we can use a relation with "no turn" on it)
Before changeset: http://imgur.com/d8bPCdY
After changeset http://imgur.com/aM64YF4
I have uploaded the entirety of the file processed_processed_fix_v7.osm as described on the wiki page https://wiki.openstreetmap.org/wiki/Import/South_Australian_Waterbodies
I will now begin some minor manual editing to deal with locations where recent user edits overlap with the imported data.
Yesterday marked three years from my first OSM changeset. Not long after starting mapping I set myself the objective of adding enough data to be able to make a good walking map of the Southern part of the Peak District National Park in three years. The main objectives were to survey and add all the remaining public rights of way (PROW) (footpaths & bridleways) and also to add all the field boundaries. When I started there was reasonable PROW coverage in some areas and virtually no field boundaries.
To put this objective into perspective there are, according to the National Park figures, 3510 PROWs in the park covering 1867 miless and 5440 mile of dry stone walls within the park. There are also good number of fences and hedges so the lenght of field boundaries to be mapped is probably half as much again.
I’m afraid to say I have failed to achieve the objectives in the three years I set myself.
The above gives a representation of what has been mapped to date. I was hoping to have achieved single figures for the PROWs but it stands at around 20. In retrospect it was a mistake to have a target for achieving the objective in the middle of the UK winter. The weather and short daylight hours have certainly been against me. It is also proving quite time consuming to pick off the last few footpaths. Parking is often problematic so you end up walking several times the length of the footpath just to survey it and get the gps trace. Survey is also not that efficient when trying to cover new footpaths. I've walked almost 1500 miles in the last 3 years but probably only mapped a quarter of this in new footpaths.
Field boundary coverage it quite good along all the footpaths that have been mapped. There are still a few empty patches. Some of this is moorland without field boundaries. Other areas don’t have any footpaths so they have been the last on the list to map.
After initial experimentation with note taking, voice mapping I became an avid photo mapper. I use to take a few composed pictures but this was time consuming and you could almost guarantee you hadn’t taken a picture of something when it came to editing. I now don’t stop to take pictures but just shoot several picture is an arc at regular intervals. I seem to have amassed 378,099 pictures to date! They have certainly made editing in JOSM much easier and hopefully more accurate and detailed. Editing has generally taken up more time than surveying.
With luck I will complete the above objectives for the Southern Peak District National Park in the new few months and is should be possible to produce, with the addition of contours, an alternative walking map for this area. It is then on to the Northern Peak District. Although it covers a larger area, large parts are moorland so the actual number of field boundaires is probably less. I was hoping to do this in another two years but logistically it is more difficult and surveying will have to be limited to the summer months.
The Peak District is a good place to go walking so hopefully this work will prove useful.
I have commenced the upload process for the import described on this wiki page:
Wakacyjna plaża zapełniona turystami, w tym pięknymi kobietami w seksownych strojach kąpielowych to najlepsze, co co mnie może spotkać w tym właśnie okresie.
Edinburgh's map is looking very full. I started doing building editing when I moved here, but now there's not much to add, so I've started to add some building:levels tags in areas I walk through regularly.
An academic project, Mapping Edinburgh's Social History has been doing a lot of work enhancing Edinburgh map, in particular adding addresses that will allow geocoding without postcodes, which only take you back as far as 1971. One of the MESH mappers, eric_, must be hawkishly watching the map, saw a recent batch of my edits and suggested that I start adding in roof:levels and building:material "but no pressure!"
While i'm into doing this if it has value to others and i'm surveying anyway, I have my doubts about building interpretation in a city full of architectural idiosyncracies such as Edinburgh. One is, what happens when the top storey of a building is embedded within a roof, like this?
You can see from the side of the building that the roof storey is not an add-on or an afterthought, that the side facade is genuinely five storeys high, so i'm really not sure whether to model this as building:levels=5 or building:levels=4 and roof:levels=1
The advantage of using the levels is that they're easy to observe and record without any special surveying equipment (and yes i have thought about trying to use ultrasound with an arduino to take measurements of building heights in metres, but that wouldn't give that much more accuracy value than building:levels alone.
Then of course in a mixed-style European city we often get scenarios like this, where an older high-ceilinged building is built next to a modern, low-budget low-ceilinged building: this shows adjacent buildings as part of the Summerhall complex:
Any thoughts from other local mappers would be appreciated. What i want to get out of this personally are some simple, impressionistic "haptic maps" using a 3D printer or maybe plaster cast into a mould. I'm not personally worried about precision, more curious to see what drops out of the existing tools, so building:levels are generally enough for me (and well supported by amazing tools like osm2world and osmbuildings.org.
The new routing feature on openstreetmap.org will make it a lot easier to find certain types of errors in the map. I tried it out and found errors that I would have overlooked otherwise.
Autoroute 40 is a limited-access divided highway in Quebec. Crossing gaps in the median strip are used for circulation during roadworks. These gaps are currently tagged as service roads on OSM.
What route should you take if you miss your highway exit and you want to go back in the opposite direction? If you are a boring law-abiding citizen, you will have to keep driving until you can take the next exit and then re-enter the highway in the other direction. OSM's routing algorithm, however, relying on less-than-perfect road access data, worries not about following such pointless traditions. Its free mind comes up with a more daring, if illegal, route that involves a hard 180-degree left turn through a crossing gap:
Clever, but a little too dangerous for my taste. Adding access=no to those service roads turns OSM back into a less audacious, but safer route planner.
natural=wood and landuse=forest completely camouflage streets (especially highway=trunk) in low zoom levels. Do you see the three rings of highway=trunk around Moscow in the attached screenshot? I don't.
What do you think? Please leave your comments here:
Correcting and adding roads where I traveld on the way from the Netherlands to South Africa have been completed.
The local Missing Maps organisers are keeping up the pace with the mapathons happening in Edinburgh every couple of weeks at the moment.
This time the word got out to the OSM community with plenty of notice, and the mapathon was duly mobbed by the Usual Suspects. I enjoy the pub meets as much as some, so it was a good chance to catch up with chrisfl, drnoble, fozy81 and eisa, while stevefaeembra was busily OCD mapping up a storm again, and we even flushed out Bob Kerr from his OSM semi-retirement, full of curiosity and helpfulness as ever.
This was my first attempt to ever use the HOT tasking manager in anger and I remain unconvinced about the validity of the task. The interpretation of aerial imagery remains delicate and uncertain, and the currency of date in the imagery is unknowable. How useful this is to displaced communities seeking shelter, who can tell? Are tracks to farm buildings really missing on the map? Is tagging for the renderer appropriate at the level of detail where a road may be a service road, residential, or a track, according to the iD pre-sets?
Meanwhile, many of the tasks marked as open seem almost complete; as a casual mapper, not familiar with the HOT standards of quality, i would have a hard time marking most squares as "Done" and it appears others have similar existential problems. One wants to create useful work, not busywork, for those validating the maps on the ground. As I'm mildly stricken with a cold and indulging in a "duvet day" today, I may keep going with some of the random tasks on the grid.
I'm partially converted to the iD editor, though the usual gripes came up in the general discussion - it remains far too easy for a new user to start deleting objects without an explicit check or warning or an obvious means of rowing back. We hear that RichardF has a relevant patch in, and deserves cake, let's hope it gets accepted and released soon.
Thanks again to the redoubtable Margaux Meslé for so much organising and communications work, and for really making extra effort this time to reach out to the local OSM mapper community, it can only be of benefit to all, and i look forward to future mapathons.