[Talk-TW] Working together in improving Taiwan roads

Dongpo Deng dongpo.deng於gmail.com
Wed 9月 14 07:06:43 UTC 2016


Good job! I've heard some TW mappers discussed with the new Mapbox images.
Thank you!
Dongpo

On Wed, Sep 14, 2016 at 3:02 PM Srividya Bharadwaj <srividya於mapbox.com>
wrote:

> Hello everyone,
>
> As discussed earlier by Maning [0], we reviewed alignment of current
> OpenStreetMap data and imagery available for tracing with Strava GPS
> traces.  I posted my observations in my diary [1].  As a result of our
> review, our satellite team at Mapbox updated our imagery for several cities
> in Taiwan [2].  All our Mapbox Satellite imagery is open for tracing in
> OpenStreetMap.  We hope the community will find this useful in improving
> the data.  This is just a start and we are excited to work together with
> the TW-OSM community.
>
> [0]
> https://lists.openstreetmap.org/pipermail/talk-tw/2016-September/001316.html
> [1] http://www.openstreetmap.org/user/srividya_c/diary/39482
> [2] https://gist.github.com/srividyacb/c8a329a5945f01b0984a301180af7e32
>
> Thank you,
> Srividyacb
> Mapbox Data Team
>
> On Sat, Sep 10, 2016 at 5:39 PM, Rex Tsai <rex.cc.tsai於gmail.com> wrote:
>
>>  Hi,
>>
>> Regarding the WMS maps and geodata offered by National Land Surveying
>> and Mapping Center (NLSC)[1], MOI, Taiwan government.
>>
>> - There are 6 layers[2] are released under Taiwan Open Government Data
>> License 1.0[3], which is convertible to CC-BY 4.0.
>> - The major two layers in wms[2] are EMAP5_OPENDATA (with Contour line)
>> and EMAP6_OPENDATA (without Contour line), which has been added into
>> josm.
>> - We have listed NLSC on the contributor list[4].
>>
>> The other WMS[5] from NLSC, including the General Map - Orthoimage[7]
>> are licensed under NLSC user license agreement[6]. Sorry, the license
>> clause[6] is only in Chinese and it's incompatible with ODbL nor OSM
>> Contributor Terms. We can not use the aerial imagery for tracing.
>>
>> [1] National Land Surveying and Mapping Center. Republic of
>> China(Taiwan) - http://www.nlsc.gov.tw/En
>> [2] http://maps.nlsc.gov.tw/OpenData/wms
>> [3] Taiwan Open Government Data License 1.0 | Open Data platform -
>> http://data.gov.tw/node/18250
>> [4]
>> https://wiki.openstreetmap.org/wiki/Contributors#National_Land_Surveying_and_Mapping_Center
>> [5] http://maps.nlsc.gov.tw/S_Maps/wms
>> [6] http://maps.nlsc.gov.tw/pro/use_clause.jsp
>> [7] General Map Orthoimage in WMS/WMTS 臺灣通用電子地圖正射影像 -
>>
>> http://data.moi.gov.tw/moiod/Data/DataDetail.aspx?oid=D9E44C4B-A5CD-4E44-BBF7-0C208513FA8E
>>
>> Cheers
>> -Rex
>>
>> 2016-09-09 17:33 GMT+08:00 maning sambale <emmanuel.sambale於gmail.com>:
>> > Hi everyone,
>> >
>> > Thank you for your warm welcome.  My replies inline.
>> >
>> >
>> > @Dennis
>> >
>> >> QA tool to fix small errors in Taiwan some times ago.
>> >
>> > Yes, we do global fixing of common errors using to-fix.  We welcome
>> > feedback if you notice any issues with our edits.
>> >
>> >> I'm curious about how will Mapbox do to improve the data quality,
>> especially to enhance the navigation part. And
>> > what the local community can do to help?
>> >
>> > Making OSM navigable is our main goal. By navigation, we mean
>> > navigation for car. Data such as:
>> > - roads and names
>> > - oneways
>> > - traffic signals
>> > - turn restrictions (including conditional turn restrictions)
>> > - turn lanes (including bike lanes)
>> > - speed limits
>> > - exit signs and destinations for motorways
>> >
>> >
>> > We have worked with the OSM community in several countries such as US
>> > [0], Canada [1] and Germany [2] and we plan to do the same for other
>> > countries.  While looking at the data in Taiwan, we noticed there were
>> > misaligned roads [3], so before we add navigation specific data, its
>> > important to first improve road geometry.
>> >
>> > We will probably work on a per city basis.  Do you have any suggestion
>> > of which city we should do first?
>> > We are still continuing our research before we start mapping.   We
>> > will definitely share the outcomes here.
>> >
>> > We normally use the Tasking Manager to coordinate mapping, if the
>> > community use other tools,
>> > let us know so we can work together.
>> >
>> > @rex,
>> >
>> >> we use Facebook[0], trello[1], slack[2] for communication
>> >
>> > I just joined slack.
>> >
>> >
>> >> General Orthoimage Map in WMS/WMTS 臺灣通用電子地圖正射影像 -
>> http://data.moi.gov.tw/moiod/Data/DataDetail.aspx?oid=D9E44C4B-A5CD-4E44-BBF7-0C208513FA8E
>> >
>> > This is amazing! I loaded the wtms in JOSM and the alignment from
>> > STRAVA is really good [4]!
>> > I assume the license to trace in OSM is OK?
>> > We will use this as a reference for aligning instead of the really old
>> Bing.
>> >
>> >
>> > [0] http://www.openstreetmap.org/user/poornibadrinath/diary/38600
>> > [1] http://www.openstreetmap.org/user/poornibadrinath/diary/39331
>> > [2] http://www.openstreetmap.org/user/nammala/diary/39345
>> > [3] https://gist.github.com/srividyacb/93628d55c6a6efdb9ec26cb21d3a64de
>> > [4]
>> https://osm-tw.slack.com/files/maning/F29SVJP0D/taiwan_orthophoto2.gif
>> >
>> > On Thu, Sep 8, 2016 at 5:21 PM, Rex Tsai <rex.cc.tsai於gmail.com> wrote:
>> >> Hi, Maning and friends from mapbox
>> >>
>> >> Welcome and thanks for helping out improve the data for Taiwan
>> community.
>> >>
>> >> We have some tools for collaboration in local communities, we use
>> >> Facebook[0], trello[1], slack[2] for communication. And hackpad[3] for
>> >> documentation. Basically, all the tools are open to everyone, any
>> >> communities members can join the any of the services. They can file
>> >> task and call for help on trello, and file proposals and ideas on
>> >> hackpad. And we will generate monthly summary reports[6] before the
>> >> Taipei meetup, to let the community know what has bee done and what's
>> >> next.
>> >>
>> >> You are more than welcome to join us[4][5]. If you are old school, we
>> >> are also in #osm-tw channel on OFTC[7] (which bridged to slack #random
>> >> channel). Most of the documents are in Chinese, please ask if you have
>> >> any problem.
>> >>
>> >> We also have a few tasks on improving data quality. One of approach is
>> >> Map's Watch team[8]. Basically, we use some scripts to forward the
>> >> changes of new mappers and notes to slack channel, and the team
>> >> members can triage in the slack. We also have some QA tool planning in
>> >> trello backlog[9][10], but don't have much bandwidth to implement them
>> >> yet.
>> >>
>> >> You are more than welcome to contribute your views and investigations
>> >> on Taiwan's road data. Feel free to use any tools I mentioned to work
>> >> with local communities. As local communities, we can help on
>> >> explaining Road tagging system in Taiwan[11], and use the open data
>> >> map imagery from Taiwan government as a reference.
>> >>
>> >> Coping @kcwu, who help to build some infrastructure tools for Taiwan
>> community.
>> >>
>> >> [0] https://www.facebook.com/groups/OpenStreetMap.TW/
>> >> [1] Trello 協同工作 - osmtw.hackpad.com -
>> >>
>> https://osmtw.hackpad.com/Trello-%E5%8D%94%E5%90%8C%E5%B7%A5%E4%BD%9C-eO4GN03msa5
>> >> [2] Trello - osmtw.hackpad.com -
>> >> https://osmtw.hackpad.com/collection/n2kYF6a24OV
>> >> [3] https://osmtw.hackpad.com/
>> >> [4] Join Trello:
>> >> https://trello.com/invite/osmtw/383c005da1231e9e4e7756d9fe2812a0
>> >> [5] Join Slack: https://osm-tw.signup.team/
>> >> [6] Trello - osmtw.hackpad.com -
>> https://osmtw.hackpad.com/ep/group/n2kYF6a24OV
>> >> [7] http://webchat.oftc.net/?channels=osm-tw
>> >> [8] 地圖守夜人 Slack 標準作業程序 - osmtw.hackpad.com -
>> >>
>> https://osmtw.hackpad.com/%E5%9C%B0%E5%9C%96%E5%AE%88%E5%A4%9C%E4%BA%BA-Slack-%E6%A8%99%E6%BA%96%E4%BD%9C%E6%A5%AD%E7%A8%8B%E5%BA%8F-iI9UeCvqdPx
>> >> [9] OpenStreetMap Backlog 挖洞填坑的建置 Osmose QA Tool | Trello -
>> >> https://trello.com/c/6siyUD1b/33-osmose-qa-tool
>> >> [10] OpenStreetMap Backlog 挖洞填坑的翻譯 Osmose 1.0-2016-04-09 | Trello -
>> >> https://trello.com/c/4vpR36Wp/56-osmose-1-0-2016-04-09
>> >> [11] Road tagging system in Taiwan -
>> >>
>> https://wiki.openstreetmap.org/wiki/WikiProject_Taiwan/Taiwan_tagging#Trunk_Roads_.2F_Expressways
>> >> [12] General Purpose Map in WMS/WMTS 臺灣通用電子地圖(不含等高線) -
>> >>
>> http://data.moi.gov.tw/moiod/Data/DataDetail.aspx?oid=EAF031FB-8834-4947-91A0-4BDA69342785
>> >> [13] General Purpose Map with contour line in WMS/WMTS
>> >> 臺灣通用電子地圖(套疊等高線,比例尺小於一萬八千分之一) -
>> >>
>> http://data.moi.gov.tw/moiod/Data/DataDetail.aspx?oid=067C5474-539C-45D4-A743-55A7C6113511
>> >> [14] General Orthoimage Map in WMS/WMTS 臺灣通用電子地圖正射影像 -
>> >>
>> http://data.moi.gov.tw/moiod/Data/DataDetail.aspx?oid=D9E44C4B-A5CD-4E44-BBF7-0C208513FA8E
>> >>
>> >> Cheers
>> >> -Rex
>> >>
>> >> 2016-09-08 2:11 GMT+08:00 Dennis Raylin Chen <b92612009於gmail.com>:
>> >>> Hi Maning
>> >>>
>> >>> It's great to see Mapbox improving the data quality. I saw there are
>> several
>> >>> Mapbox accounts using the QA tool to fix small errors in Taiwan some
>> times
>> >>> ago.
>> >>>
>> >>> I'm curious about how will Mapbox do to improve the data quality,
>> especially
>> >>> to enhance the navigation part. And what the local community can do
>> to help?
>> >>>
>> >>> Dennis
>> >>> aka Supaplex
>> >>>
>> >>> On Tue, Sep 6, 2016 at 6:06 PM, maning sambale <
>> emmanuel.sambale於gmail.com>
>> >>> wrote:
>> >>>>
>> >>>> 你好!
>> >>>>
>> >>>> I'm Maning Sambale from Mapbox.  Our data team is looking at
>> improving
>> >>>> road network for Taiwan in OpenStreetMap, this is similar to what we
>> >>>> did in Japan [0] last year.  This initiative is part of our mission
>> to
>> >>>> make OpenStreetMap more navigable.
>> >>>>
>> >>>> We are in the early stages of research and we will share our findings
>> >>>> soon.  Initially, we are seeing the following:
>> >>>>
>> >>>> * Road coverage is very good especially for the major cities on the
>> >>>> west coast of the country.
>> >>>> * There were alignment issues in some major roads when compared to
>> >>>> Strava heat map (our team fixed some of them last week).
>> >>>> * It's difficult to use current Bing imagery because its old and they
>> >>>> are not aligned to Strava in some areas.
>> >>>>
>> >>>> Before we proceed, it would be great to discuss with everyone here on
>> >>>> how we can work together.  I'd be happy to discuss in a conference
>> >>>> call if needed.
>> >>>>
>> >>>>
>> >>>> [0] https://github.com/mapbox/mapping/issues/120
>> >>>>
>> >>>> 多謝
>> >>>>
>> >>>> Maning Sambale
>> >>>> Data team, Mapbox
>> >>>>
>> >>>> _______________________________________________
>> >>>> Talk-TW mailing list
>> >>>> Talk-TW於openstreetmap.org
>> >>>> https://lists.openstreetmap.org/listinfo/talk-tw
>> >>>
>> >>>
>> >>>
>> >>> _______________________________________________
>> >>> Talk-TW mailing list
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>> >>>
>> >
>> >
>> >
>> > --
>> > cheers,
>> > maning
>> > ------------------------------------------------------
>> > "Freedom is still the most radical idea of all" -N.Branden
>> > https://epsg4253.wordpress.com/
>> > http://twitter.com/maningsambale
>> > ------------------------------------------------------
>> >
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