a new generation geospatial information use environment driven by open data and programs
DESCRIPTION
Presentation at the workshop of OSMFJ 2nd Anniversary foundingTRANSCRIPT
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オープンなデータと
プログラムが牽引する
新世代のジオ
OSGeo財団 日本支部
嘉山陽一
OSMFJ設立2周年記念ワークショップ
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自己紹介
� OSGeo.JP 運営委員� OSGeo.org Charter member� GIS 学会(FOSS4G 分科会)会員� QGIS 日本語GUI 翻訳 コーディネータ
マニュアル翻訳
� GIS プログラマ 研究員
朝日航洋株式会社
� Twitter ID @pokopen� CSIS寄附研究部門 協力研究員
�社会基盤情報流通推進協議会システムWG�
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アイコン詐欺とかいわれなき中傷
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OSMFJ
設立2周年
おめでとう
ございます
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OSGeo財団
ジオに関する
オープンソース
ソフトウェアを
広めるコミュニティ
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OSM
自由な
ジオデータをつくる
コミュニティ
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ジオデータが
なければ
FOSS4Gは
役にたちません
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デジタルジオデータ
を扱うためには
ジオを扱える
プログラムが
必要です
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OSMと
OSGeoは
お互いを必要とする
隣接コミュニティと
いえるでしょう
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従来の日本のジオ
法律としては測量法
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阪神大震災の時
�被災状況の把握や復興支援のためにデ
ジタル空間情報が利用できる場面が少
なかった
� GISシステムは高価で導入されている官庁や大学・研究所は限られていた
�システムがあってもデータは???
�個人やボランティアがデジタル空間情
報を利用できるような場所???
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阪神大震災以後の
旧来のジオの世界を
変える
いくつかのできごと
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測量法改正 世界測地系の採用
�平成13年6月20日公布�平成14年4月1日施行�ベッセル楕円体
赤道長半径 a = 6377397.155 (m)扁平率の逆数 f1 = 299.152813
→GRS80楕円体赤道長半径 a = 6378137. (m)扁平率の逆数 f1 = 298.257222101
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もし世界測地系が
採用されていなければ
こういう混乱はもっと
たくさんおこっていたでしょう
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Webによる地図情報配信の登場� 1993 Xerox PARC Map Viewer� 1996 マピオン� 1996 厚生省 市区町村のすがた
� 2005 GoogleMaps� 2005 MSN Virtual Earth ベータ
� 2005 Google Earth� 2007 Google Street View
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最初期のWEB地図配信
1993 Xerox PARC Map Viewer
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Internet GIS:Distributed Geographic Information Services for the Internet and Wireless Networks
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Neogeographyの登場
http://www.osgeo.jp/wp-content/uploads/2007/11/20071112osgeotokyo_aac.pdf
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http://mappinghacks.com/talks/foss4g2006/neogeography.ppt
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http://www.slideshare.net/ajturner/how-neogeography-killed-gis
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http://www.slideshare.net/mapconcierge/gitajapan-poer-of-neogeographer-15379799
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http://www.slideshare.net/SetoToshikazu/abcdgissetoharvardcga
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東日本大震災時のOSMメンバをはじめとした活動
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WEB地図による斜め写真撮影位置表示
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オルソ画像のオーバーレイ
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阪神大震災の時に
このようなジオ系ボランティア
活動はできなかった
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�阪神淡路大震災発生時と東日本大震災
発生時のちがい
� Neogographerの出現� OSM,OSGeoコミュニティの形成�ネットの普及
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またOSM,OSGeoは国際的コミュニティ
�ハイチやニュージーランド地震のとき
のOSMを中心とした活動が参考になった
�国際的な技術革新を
利用できている
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たとえば
�中越地震の時にGISボランティアとかいうものが作られた……..
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東日本大震災におけるOSMメンバ有志に代表されるボランティアの活動は新
しいジオ利用の可能性を示した
産学官とカテゴリでくくれないボラン
ティアの力
国際的
コミュニティ
(人脈、
技術)
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ジオ系の
新しい
動きがいろいろ
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地理空間情報活用推進基本法
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http://www.mlit.go.jp/kisha/kisha07/00/001213/02.pdf
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http://www.cas.go.jp/jp/seisaku/sokuitiri/tirikuukan-keikaku/pdf/keikaku_gaiyou1.pdf
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http://www.cas.go.jp/jp/seisaku/sokuitiri/tirikuukan-keikaku/pdf/keikaku_gaiyou2.pdf
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OpenData OpenGovernment
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Open Government
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www.data.gov
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IT戦略本部戦略本部戦略本部戦略本部 電子行政オープンデータ戦略電子行政オープンデータ戦略電子行政オープンデータ戦略電子行政オープンデータ戦略
http://www.kantei.go.jp/jp/singi/it2/pdf/120704_gaiyou.pdf
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オープンデータ
の動きにおいて
地理空間情報は
重要なコンテンツ
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OSMデータデータ利用の自由
データを自分で追加、修正できる
自分でレンダリングできる
様々な集計、解析、加工に利用可
タイル配信されているものも利用可
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このような
新しい動きの中で
OSMのような空間情報の
存在は重要
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たとえばバリアフリーマップは
行政等が作るよりこちらで
データ蓄積したほうがいいのでは?
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デジタル空間データ
利用状況が多様化します
是非OSMFJの活動を発展させて下さい
またデジタル空間データ利用や
加工ツールとしてFOSS4Gをよろしくお願いします
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ご清聴ありがとうございました