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# System prepended metadata

title: 「地理院地図ファンクラブ」2023年5月定例会

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2023年5月13日（土）20:00 - 21:00　
### 「地理院地図ファンクラブ」2023年5月定例会

【参加者】19名（参加申込20名）


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## 今月のCCFC話題
### １．「最近のジオな話題アラカルト」
最近のジオな話題アラカルトとして【１．電子地形図50000-4月28日提供開始！その実際は？】　【２．日本地図学会 碓氷峠巡見参加、地理院地図で振り返る】　【３．天井川「天神川」堤防決壊、その地形は？】について話題を提供、意見交換します。

１．[国土地理院より令和5年4月28日提供開始された「電子地形図50000」](https://www.gsi.go.jp/chizuhensyu/chizuhensyu41036.html)について意見交換します。「電子地形図50000」は「電子地形図25000」「電子地形図20万」に次ぐ3種類目の新しい電子地形図となります。　[治田 洗礫 氏](https://twitter.com/Harita_arayshi) より感想をうかがいました。

２．[日本地図学会 第216回 例会「旧版地形図で歩く碓氷峠の廃線跡と鉄道文化遺産」](https://note.com/jcacj/n/nd125c115fc73)

３．[天神川堤防決壊における浸水被害について/伊丹市](https://www.city.itami.lg.jp/SOSIKI/SOMU/KIKIKANRI/20230507shinnsui/34300.html)
* [NHKによる報道](https://www3.nhk.or.jp/news/html/20230508/k10014060151000.html)
* [重ねるハザードマップによる浸水地域の状況](https://disaportal.gsi.go.jp/maps/?ll=34.810192,135.38656&z=15&base=pale&ls=seamless%7Cdosha_kiken_nadare%2C0.8%7Cdosha_kiken_jisuberi%2C0.8%7Cdosha_kiken_kyukeisha%2C0.8%7Cdosha_kiken_dosekiryu%2C0.8%7Cdosha_keikai_jisuberi%2C0.8%7Cdosha_keikai_dosekiryu%2C0.8%7Cdosha_keikai_kyukeisha%2C0.8%7Ctameike_raster%2C0.8%7Cflood_l2_kaokutoukai_kagan%2C0.8%7Cflood_l2_kaokutoukai_hanran%2C0.8%7Cflood_l2_keizoku%2C0.8%7Cflood_list%2C0.8%7Cflood_l1%2C0.8%7Cflood_list_l2%2C0.75%7Cdisaster2%7Cdisaster1&disp=01111111100000100&vs=c1j0l0u0t0h0z0)
* [今昔マップでみる浸水地域](https://ktgis.net/kjmapw/kjmapw.html?lat=34.807487&lng=135.386654&zoom=15&dataset=keihansin&age=0&screen=2&scr1tile=k_cj4&scr2tile=k_cj4&scr3tile=k_cj4&scr4tile=k_cj4&mapOpacity=10&overGSItile=no&altitudeOpacity=2)
* [干渉色標高図でみる浸水地域](https://maps.gsi.go.jp/#16/34.809064/135.384940/&base=std&base_grayscale=1&ls=std%2C0.71%7Cslopemap%2C0.37%7Chillshademap%2C0.58%7Crelief_free&blend=111&disp=1111&lcd=slopemap&vs=c0g1j0h0k0l0u0t0z0r0s0m0f1&reliefdata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* [六甲山地と天井川（六甲砂防事務所）](https://www.kkr.mlit.go.jp/rokko/rokko/study/minato/min-b_1.pdf)
* [阪神大水害（1938）](https://ja.wikipedia.org/wiki/阪神大水害)
* [阪神大水害で字たるアーカイブ](https://www.kkr.mlit.go.jp/rokko/S13-2/index.php)
* [中山寺駅から伸びる軍用線の廃線跡 / UJ_yoshi氏](https://twitter.com/UJ_yoshi/status/1656097398731739141/retweets/with_comments)


### ２．「ジオ展2023開催」
[GeoNews主宰 ジオ専門ライター 片岡 義明 氏](https://geo-news.jp/)
4月21日に4年ぶり、リアル開催された「[ジオ展2023](https://www.geoten.org/)」、盛況だったそのイベント内容についてジオ専門ライターの片岡義明氏よりお話をうかがい、感想意見交換したいと思います。

### ３．Cesium、Google Maps Platformと提携し Photorealistic 3D Tiles の実験的リリースを開始
[Photorealistic 3D Tiles の実験的リリース開始](https://cginterest.com/2023/05/11/cesium%E3%80%81google-maps-platform%E3%81%A8%E6%8F%90%E6%90%BA%E3%81%97-photorealistic-3d-tiles-%E3%81%AE%E5%AE%9F%E9%A8%93%E7%9A%84%E3%83%AA%E3%83%AA%E3%83%BC%E3%82%B9%E3%82%92%E9%96%8B%E5%A7%8B/?fbclid=IwAR3NDPT0slhbm-_4zIJnsXsXz-pSwagMyyj9jdy4UdAzyaahE3Ps4hAtfNI)

[Create immersive 3D map experiences with Photorealistic 3D Tiles](https://cloud.google.com/blog/products/maps-platform/create-immersive-3d-map-experiences-photorealistic-3d-tiles?hl=en)

DEMO
https://github.com/optgeo/google-pr-3dtiles



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### 前回議事録
**4月定例会　議事録**
https://hackmd.io/XKSJT7N6SRClvT2SzY8SMg?view
### 次回定例会
**6月定例会　開催予定　6月10日（土）20時～21時**
### これまでの活動内容まとめ
https://hackmd.io/@ccfc/SkZjLTyX_