<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span>Without thinking about it much, there's a few options</span></div><div style="color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span>* associate 1 or mode nodes centered on the building via a relation. tag each node with use and time span.</span></div><div style="color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span>* time namespacing, ala language localization </span><a
href="http://wiki.openstreetmap.org/wiki/Comparison_of_life_cycle_concepts#Related_concepts" style="font-size: 12pt;">http://wiki.openstreetmap.org/wiki/Comparison_of_life_cycle_concepts#Related_concepts</a></div><div style="color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span><br></span></div><div>* Mikel Maron * +14152835207 @mikel s:mikelmaron<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; margin-top: 5px; padding-left: 5px;"> <div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"> <div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">
<div dir="ltr"> <hr size="1"> <font size="2" face="Arial"> <b><span style="font-weight:bold;">From:</span></b> Rob Warren <warren@muninn-project.org><br> <b><span style="font-weight: bold;">To:</span></b> historic@openstreetmap.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Sunday, May 19, 2013 7:11 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [OHM] temporal data in the OHM sandbox<br> </font> </div> <div class="y_msg_container"><br>Erik,<br><br>Yes, the life cycle would mean the repetition of ways, through we can <br>probably get away with recycling the nodes. It's not ideal, but it's <br>pretty much the only way to get things to record change properly given <br>the data structure we have to work with.<br><br>My thinking so far is that more encoding is better than less.<br><br><br><br>On 17-May-13, at 8:00 AM, <a ymailto="mailto:historic-request@openstreetmap.org"
href="mailto:historic-request@openstreetmap.org">historic-request@openstreetmap.org</a> wrote:<br><br>> Message: 4<br>> Date: Thu, 16 May 2013 18:02:38 +0200<br>> From: Erik Johansson <<a ymailto="mailto:erjohan@gmail.com" href="mailto:erjohan@gmail.com">erjohan@gmail.com</a>><br>> To: Robert Warren <<a ymailto="mailto:warren@muninn-project.org" href="mailto:warren@muninn-project.org">warren@muninn-project.org</a>><br>> Cc: "<a ymailto="mailto:historic@openstreetmap.org" href="mailto:historic@openstreetmap.org">historic@openstreetmap.org</a>" <<a ymailto="mailto:historic@openstreetmap.org" href="mailto:historic@openstreetmap.org">historic@openstreetmap.org</a>><br>> Subject: Re: [OHM] temporal data in the OHM sandbox<br>> Message-ID:<br>> <CAKs=k7qrD+<a ymailto="mailto:ic3cMQH_np9FCxJYU8-SDg-WR2sq9zk61gCUQ37g@mail.gmail.com"
href="mailto:ic3cMQH_np9FCxJYU8-SDg-WR2sq9zk61gCUQ37g@mail.gmail.com">ic3cMQH_np9FCxJYU8-SDg-WR2sq9zk61gCUQ37g@mail.gmail.com</a>><br>> Content-Type: text/plain; charset=ISO-8859-1<br>><br>> I don't know if you use life_cycle=* wouldn't that mean you have to<br>> create a new building every time you want to change the buildings<br>> use. That would mean a need to track things like "this is way #####2<br>> the same building as in the deleted way #####1"<br>><br>> The suggestion further down on that page seems to be more like what<br>> I'm about to do.<br>> <a href="http://wiki.openstreetmap.org/wiki/Comparison_of_life_cycle_concepts#Related_concepts" target="_blank">http://wiki.openstreetmap.org/wiki/Comparison_of_life_cycle_concepts#Related_concepts</a><br>><br>><br>><br>> On Thu, May 16, 2013 at 4:41 PM, Robert Warren<br>> <<a ymailto="mailto:warren@muninn-project.org"
href="mailto:warren@muninn-project.org">warren@muninn-project.org</a>> wrote:<br>>> Erik,<br>>><br>>> I've been using the start and end dates as well. I would prefer we <br>>> use something like life_cycle [1] for structure status since this <br>>> will better track what structure is in what state. Today's ruins <br>>> are yesterday's town hall.<br>>><br>>> Rendering is something we still need to work on. Suggest more <br>>> tagging data is better than less tagging data - it's easier to <br>>> delete superfluous data later rather than re-creating it.<br>>><br>>> rhw<br>>><br>>><br>>> [1] <a href="http://wiki.openstreetmap.org/wiki/Comparison_of_life_cycle_concepts#life_cycle_.3D_.3Cstatus.3E"
target="_blank">http://wiki.openstreetmap.org/wiki/Comparison_of_life_cycle_concepts#life_cycle_.3D_.3Cstatus.3E</a><br>>><br>>><br>>> On 2013-05-16, at 8:00 AM, <a ymailto="mailto:historic-request@openstreetmap.org" href="mailto:historic-request@openstreetmap.org">historic-request@openstreetmap.org</a> wrote:<br>>><br>>>><br>>>> Message: 3<br>>>> Date: Wed, 15 May 2013 23:55:57 +0200<br>>>> From: Erik Johansson <<a ymailto="mailto:erjohan@gmail.com" href="mailto:erjohan@gmail.com">erjohan@gmail.com</a>><br>>>> To: Marcus Koenig <<a ymailto="mailto:einschmelzer@hotmail.com" href="mailto:einschmelzer@hotmail.com">einschmelzer@hotmail.com</a>><br>>>> Cc: "<a ymailto="mailto:historic@openstreetmap.org" href="mailto:historic@openstreetmap.org">historic@openstreetmap.org</a>" <<a ymailto="mailto:historic@openstreetmap.org"
href="mailto:historic@openstreetmap.org">historic@openstreetmap.org</a>><br>>>> Subject: Re: [OHM] temporal data in the OHM sandbox<br>>>> Message-ID:<br>>>> <CAKs=k7q9Zvx8A9d1kY6MBoq+<a ymailto="mailto:xy2gRDFphq9MqB9VRfNpkjnQHg@mail.gmail.com" href="mailto:xy2gRDFphq9MqB9VRfNpkjnQHg@mail.gmail.com">xy2gRDFphq9MqB9VRfNpkjnQHg@mail.gmail.com</a> <br>>>> ><br>>>> Content-Type: text/plain; charset=ISO-8859-1<br>>>><br>>>> Hi Marcus.<br>>>><br>>>> I don't know how other people use it, and I've not uploaded my data<br>>>> because of many small problems with historic mapping. But I have a<br>>>> handfull of historic buildings in Stockholm that I will upload<br>>>> sometime in the future.<br>>>><br>>>> For the buildings I use<br>>>> start_date=1790<br>>>>
end_date=1810<br>>>><br>>>> <a href="http://wiki.openstreetmap.org/wiki/Key:start_date" target="_blank">http://wiki.openstreetmap.org/wiki/Key:start_date</a><br>>>><br>>>> I also use free form tagging, these need to be more formal.<br>>>> note="just gone from map"<br>>>> note="demolished"<br>>>> note="burned down"<br>>>><br>>>> I do not map changes to the buildings, e.g.<br>>>> * reconstructions and additions.<br>>>> * church => night club<br>>>> * relocations<br>>>><br>>>> I've tried to map name changes, But it's clunky.<br>>>> name:1790="Fr?mans krog"<br>>>><br>>>> I find it hard to verify facts, I should have added source on every<br>>>> feature I mapped, I've tried source=, but these tags are sometimes <br>>>> out<br>>>> of sync with the data.<br>>>>
source="map xx from 1624"<br>>>> source:url=*<br>>>><br>>>> It will probably take a while before I upload/share my meager data<br>>>> collection, mostly because of it being hard work with all sources,<br>>>> projections and unexplained peculiarities.<br>>>><br>>>> I have no renderers for the data yet, except some manual one year<br>>>> snapshot with either JOSM or postgres + openlayers.<br>>>><br>>>> On Wed, May 15, 2013 at 6:50 PM, Marcus Koenig <<a ymailto="mailto:einschmelzer@hotmail.com" href="mailto:einschmelzer@hotmail.com">einschmelzer@hotmail.com</a> <br>>>> > wrote:<br>>>>> Hi,<br>>>>><br>>>>> I'm very interested in the OHM project and I would like to <br>>>>> contribute data<br>>>>> for Mainz, Germany. In the long run I would like to create a map <br>>>>> of
the city<br>>>>> before the destructions during WW2, but also of earlier periods. <br>>>>> I have had<br>>>>> a look at the OHM Sandbox, but I couldn't find out where the time <br>>>>> dimension<br>>>>> comes in. How do you tag and display temporal information? The <br>>>>> map would<br>>>>> have to change with time settings - eventually? I'd really <br>>>>> appreciate if<br>>>>> anyone could give me a short insight into the current state of <br>>>>> the project.<br>>>>><br>>>>> Best regards<br>>>>><br>>>>> Marcus K?nig<br>>>>><br>>>>><br>>>>> _______________________________________________<br>>>>> Historic mailing list<br>>>>> <a ymailto="mailto:Historic@openstreetmap.org"
href="mailto:Historic@openstreetmap.org">Historic@openstreetmap.org</a><br>>>>> <a href="http://lists.openstreetmap.org/listinfo/historic" target="_blank">http://lists.openstreetmap.org/listinfo/historic</a><br>>>>><br>>>><br>>>><br>>>><br>>>> --<br>>>> /emj<br>>><br>><br>><br>><br>> -- <br>> /emj<br>><br><br><br>_______________________________________________<br>Historic mailing list<br><a ymailto="mailto:Historic@openstreetmap.org" href="mailto:Historic@openstreetmap.org">Historic@openstreetmap.org</a><br><a href="http://lists.openstreetmap.org/listinfo/historic" target="_blank">http://lists.openstreetmap.org/listinfo/historic</a><br><br><br></div> </div> </div> </blockquote></div> </div></body></html>