20121216 osm taiwan workshop
TRANSCRIPT
YST OD.TW / OSM.TW - 聯合培訓工作坊
開放街圖基本觀念和地理資料收集步驟
鄧東波Sunday, December 16, 2012
大綱
Sunday, December 16, 2012
OpenStreetMap
• 免費且自由的地圖• 開放地理資料• 開放格式、開放源碼• 在地的收集,全球的地理資料庫• 全球性的合作協同計畫• 收集群眾資料• 開放授權資料• 維基化(wiki-style)的地圖
Sunday, December 16, 2012
OSM 資料來源
• Mappers
• 田野調查• 利用GPS或walking paper在現場收集資料,並利用OSM的編輯器(於室內)製圖
• 螢幕數化• 利用開放授權的衛星影像來數化,如Bing
• 開放資料的輸入• 如美國TIGER(PD)、荷蘭AND(CC)
Sunday, December 16, 2012
An OSM Mapper
• 上傳的GPS航跡和地理標籤照片
• 除了提供GPS航跡,也應參與繪圖
• 編輯地理物件的屬性• 名稱,如街名、大樓名• 型態,如道路等級• POI
• 交通設施...等
Sunday, December 16, 2012
OSM Mapping 步驟
• 行前準備• 你註冊了嗎?• 記事本、相機、GPS、紙圖、機車或自行車...
• 現場資料收集• 上傳GPS traces
• 編輯地圖(用Bing Map)
• 查看地圖
Sunday, December 16, 2012
行前準備
Sunday, December 16, 2012
你註冊了嗎?
Sunday, December 16, 2012
GPS
Sunday, December 16, 2012
GPS
Sunday, December 16, 2012
GPS
Sunday, December 16, 2012
GPS
Sunday, December 16, 2012
GPS
Sunday, December 16, 2012
GPS
Sunday, December 16, 2012
GPS是生產地理資的基本工具 • GPS (Global Positioning System)為衛星為基礎的導航系統,是由24顆美國國防部所發射的導航所構成
• 不受天候影響,任何時間開啟GPS接收器,都可以接收衛星的訊號
• 原為軍事使用,1980年代後開始民間使用,2000年後解除干擾碼(S/A),定位精度提昇
Sunday, December 16, 2012
GPS 定位• GPS接收導航衛星發射本身位置和時間的資訊
• 4顆衛星以上的訊號,即可定位
http://www.kowoma.de/en/gps/positioning.htm
Sunday, December 16, 2012
收集資料
Sunday, December 16, 2012
收集資料
• GPS 航跡
• 地理標籤照片• 紙筆
(walking-papers.org)
• 其它,如Mobile
Sunday, December 16, 2012
GPS traces<?xml version="1.0" encoding="UTF-8"?><gpx version="1.0">
<wpt lat="34.377012038603425" lon="7.912682974711061"><time>2010-12-19T13:42:47Z</time>
<name>Water fall</name></wpt><trk> <name>ACTIVE LOG 001</name> <trkseg>
<trkpt lat="50.079439021646976" lon="14.420736003667116"> <ele>178</ele>
</trkpt> <trkpt lat="50.078988997265697" lon="14.420714965090156">
<ele>195</ele> </trkpt> <trkpt lat="50.079096034169197" lon="14.420756958425045">
<ele>199</ele> </trkpt> .....
</trkseg></gpx>
Sunday, December 16, 2012
GPS Trace
Sunday, December 16, 2012
草屯鎮土地公廟調查
Sunday, December 16, 2012
善用WaypointsIkiya, 2012, Mapping of historical places in Japan, SotM2012
Sunday, December 16, 2012
利用waypoints決定地理物件
Ikiya, 2012, Mapping of historical places in Japan, SotM2012Sunday, December 16, 2012
如何利用GPS得到更好的Mapping
Sunday, December 16, 2012
活用waypoints
Ikiya, 2012, Mapping of historical places in Japan, SotM2012Sunday, December 16, 2012
活用waypoints(cont.)
Ikiya, 2012, Mapping of historical places in Japan, SotM2012
Sunday, December 16, 2012
Ikiya, 2012, Mapping of historical places in Japan, SotM2012
Sunday, December 16, 2012
任何時候都把GPS打開記錄
Ikiya, 2012, Mapping of historical places in Japan, SotM2012Sunday, December 16, 2012
GPS+Photo
Kodak DCS Pro SLR/n1400萬象素Garmin etrex GPSGarmin原廠傳輸線Kodak RS232,音源線
Nikon D2001020萬象素Garmin 18 GPSGarmin傳輸線(rs232)Nikon MC35接線
Kodak DCS Pro SLR/n1400萬象素Holux 236 GPSmin usb 轉RS232傳輸線Kodak RS232,音源線
Nikon D2001020萬象素di GPS
Sunday, December 16, 2012
拍照可以記錄重要的資訊
Sunday, December 16, 2012
拍照的位置並非mapping目標的位置
Sunday, December 16, 2012
上傳GPS
http://www.openstreetmap.org/traces
Sunday, December 16, 2012
Walking Paper來收集資料
http://walking-papers.org
Sunday, December 16, 2012
將掃瞄且上傳的walking paper用在JSOM上做地圖編輯
Sunday, December 16, 2012
編輯地圖
Sunday, December 16, 2012
幾何資料型態
Tag
NodeWay
Open polyline
Closed polyline
Area
Relation
更多資訊 http://wiki.openstreetmap.org/wiki/Data_PrimitivesSunday, December 16, 2012
OSM幾何資料模型
Node(lat, lon)
Relation Way
Tag(Key, Value)
(role)
0..n 0..n
(role)
0..n 0..n
0..n
0..n
1 1 1
(role)
0..n 0..n
<use>
is part of
0..n
Sunday, December 16, 2012
Node <node id='1762782473' timestamp='2012-12-12T03:49:16Z' uid='1048' user='dongpo' visible='true' version='2' changeset='14245247' lat='23.864527' lon='121.5217101'> <tag k='name' v='立川漁場' /> <tag k='tourism' v='attraction' /> <tag k='source' v='survey' /> <tag k='addr: housenumber' v='45' /> <tag k='addr:district' v='魚池' /> <tag k='addr:town' v='壽豐鄉' /> <tag k='addr:county' v='花蓮縣' /> </node>
Sunday, December 16, 2012
Way<way id='118416207' timestamp='2012-05-23T17:43:06Z' uid='1048' user='dongpo' visible='true' version='4' changeset='14246301'> <nd ref='1088092959' /> <nd ref='1088092953' /> .... <nd ref='1600948228' /> <tag k='highway' v='primary' /> <tag k='lanes' v='2' /> <tag k='oneway' v='yes' /> <tag k='ref' v='Hwy 11C' /> <tag k='ref:zh' v='台11丙線' /> </way>
Sunday, December 16, 2012
Relation<relation id='2498406' timestamp='2012-10-14T19:01:55Z' uid='1048' user='dongpo' visible='true' version='1' changeset='13497007'> <member type='way' ref='185846446' role='outer' /> <member type='way' ref='185846444' role='outer' /> <member type='way' ref='151063000' role='outer' /> <member type='way' ref='185846448' role='outer' /> <member type='way' ref='185846445' role='outer' /> <tag k='admin_level' v='8' /> <tag k='boundary' v='administrative' /> <tag k='name' v='草屯鎮 (Caotun)' /> <tag k='name:en' v='Caotun' /> <tag k='name:zh' v='草屯鎮' /> <tag k='type' v='boundary' /> </relation>
Sunday, December 16, 2012
changeset
Sunday, December 16, 2012
highway=motorway_link
highway=motorway
highway=primary
highway=cycleway
highway=trunk
highway=residential
highway=tertiary
highway=unclassified
highway=secondary
highway=bus_stop
Sunday, December 16, 2012
Sunday, December 16, 2012
由QGIS下載OSM資料(1) (2)
(3)
Sunday, December 16, 2012
在QGIS開啟OSM檔(1)
(2)
(3)
Sunday, December 16, 2012
• Apple iOS
• iPhone, e.g. iLOE
• Andriod
• e.g. Vespucci OSM Editor
See more details http://wiki.openstreetmap.org/wiki/Software
智慧型手機中Apps
Sunday, December 16, 2012
Question?
Sunday, December 16, 2012