Upgrade to Pro — share decks privately, control downloads, hide ads and more …

掛川城の点群データをiTownsで表示しよう

Sponsored · SiteGround - Reliable hosting with speed, security, and support you can count on. →
Avatar for Taro Matsuzawa aka. btm Taro Matsuzawa aka. btm
October 30, 2021
Technology
0
350

 掛川城の点群データをiTownsで表示しよう

GIS学会2021 チュートリアル1

Avatar for Taro Matsuzawa aka. btm

Taro Matsuzawa aka. btm

October 30, 2021
Tweet

More Decks by Taro Matsuzawa aka. btm

See All by Taro Matsuzawa aka. btm
OpenLayers ext TypeScript declarationの開発
Avatar for Taro Matsuzawa aka. btm smellman
0
620
平成生まれのためのUNIX&IT歴 史講座 ~番外編~
Avatar for Taro Matsuzawa aka. btm smellman
2
550
そのJavascript、全部TypeScriptにしちゃえ
Avatar for Taro Matsuzawa aka. btm smellman
1
250
大容量SSDとOpenStreetMap
Avatar for Taro Matsuzawa aka. btm smellman
0
170
MapLibreとtile.openstretmap.jpで始めるベクトル地図プログラミング
Avatar for Taro Matsuzawa aka. btm smellman
1
640
国内向けタイルサーバの構築と運用について
Avatar for Taro Matsuzawa aka. btm smellman
0
1.7k
Python/Javascriptで読む点群
Avatar for Taro Matsuzawa aka. btm smellman
1
5.3k
日本のCommunity向け タイルサーバの現状
Avatar for Taro Matsuzawa aka. btm smellman
0
2.7k
Pythonで点群を読んでみよう
Avatar for Taro Matsuzawa aka. btm smellman
1
2.8k

Other Decks in Technology

See All in Technology
Claude Code のコード品質がばらつくので AI に品質保証させる仕組みを作った話 / A story about building a mechanism to have AI ensure quality, because the code quality from Claude Code was inconsistent
Avatar for nrs nrslib
13
7.9k
Abuse report だけじゃない。AWS から緊急連絡が来る状況とは？昨今の攻撃や被害の事例の紹介と備えておきたい考え方について
Avatar for kazzpapa3 kazzpapa3
1
710
複数クラスタ運用と検索の高度化：ビズリーチにおけるElastic活用事例 / ElasticON Tokyo2026
Avatar for Visional Engineering ＆ Design visional_engineering_and_design
0
160
2026年もソフトウェアサプライチェーンのリスクに立ち向かうために / Product Security Square #3
Avatar for GMO Flatt Security flatt_security
0
150
JAWS Days 2026 楽しく学ぼう！ 認証認可 入門/20260307-jaws-days-novice-lane-auth
Avatar for opelab opelab
11
2.3k
内製AIチャットボットで学んだDatadog LLM Observability活用術
Avatar for k.masachika mkdev10
0
110
僕、S3 　シンプルって名前だけど全然シンプルじゃありません　よろしくお願いします
Avatar for Yuuki Yamashita yama3133
1
220
決済サービスを支えるElastic Cloud - Elastic Cloudの導入と推進、決済サービスのObservability
Avatar for suzukij suzukij
2
640
楽しく学ぼう！ネットワーク入門
Avatar for Shota Shiratori shotashiratori
4
3.3k
Exadata Database Service on Dedicated Infrastructure(ExaDB-D) UI スクリーン・キャプチャ集
Avatar for oracle4engineer oracle4engineer
PRO
8
7.2k
チームのモメンタムに投資せよ！ 不確実性と共存しながら勢いを生み出す３つの実践
Avatar for KAKEHASHI kakehashi
PRO
1
100
JAWS FESTA 2025でリリースしたほぼリアルタイム文字起こし/翻訳機能の構成について
Avatar for 木村直紀 naoki8408
1
530

Featured

See All Featured
Game over? The fight for quality and originality in the time of robots
Avatar for Wayne Barker wayneb77
1
140
Ethics towards AI in product and experience design
Avatar for Skipper Chong Warson skipperchong
2
220
The Straight Up "How To Draw Better" Workshop
Avatar for Dennis Kardys denniskardys
239
140k
How to Think Like a Performance Engineer
Avatar for Harry Roberts csswizardry
28
2.5k
jQuery: Nuts, Bolts and Bling
Avatar for Doug Neiner dougneiner
65
8.4k
StorybookのUI Testing Handbookを読んだ
Avatar for Shingo Yamazaki zakiyama
31
6.6k
WCS-LA-2024
Avatar for Leonardo Collado-Torres lcolladotor
0
480
Discover your Explorer Soul
Avatar for Emna emna__ayadi
2
1.1k
The Art of Delivering Value - GDevCon NA Keynote
Avatar for David Neal reverentgeek
16
1.9k
Taking LLMs out of the black box: A practical guide to human-in-the-loop distillation
Avatar for Ines Montani inesmontani
PRO
3
2.1k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
Avatar for Dan Newman danielanewman
231
22k
Java REST API Framework Comparison - PWX 2021
Avatar for Matt Raible mraible
34
9.2k

Transcript

  1. ֻ઒৓ͷ఺܈σʔλΛ iTownsͰදࣔ͠Α͏ Taro Matsuzawa (@smellman)

  2. ࣗݾ঺հ Georepublic Japan γχΞΤϯδχΞ / CISO ೔ຊUNIXϢʔβձձ௕/Ұൠࣾஂ๏ਓOSGeo೔ຊࢧ෦ཧࣄ/Ұൠࣾஂ๏ਓΦʔϓ ϯετϦʔτϚοϓϑΝ΢ϯσʔγϣϯδϟύϯϝϯόʔ ౦ژిػେֶOB/౦ژిػେֶCySecݱ໾ੜ breakcoreΫϥελ

    ૊௕ͱݺ͹Εͯ·͢

  3. ࠓճͷ໨త ੩ԬݝͷΦʔϓϯσʔλΛϓϩηογϯάͯ͠ϒϥ΢βʹදࣔ͢Δ͜ͱ ϓϩηογϯάͷखॱͱҾ͔͔ͬΔͱ͜ΖΛղઆ͠·͢ ݩωλ͸ࣗ෼ͷhatena blogͷҰهࣄͰ͢ هࣄҎ্ͷ࿩͸جຊతʹͰ͖·ͤΜ

  4. ࢖͏΋ͷ https://github.com/smellman/gis-society-2021-kakegawa εΫϦϓτͳͲ ֻ઒৓ͷ఺܈σʔλ ্هεΫϦϓτͰμ΢ϯϩʔυ͠·͢ Linux or macOS

  5. ԿΛ͢Δ͔(1) όϥόϥͷlasσʔλ lastool Ұͭͷlasσʔλ

  6. ԿΛ͢Δ͔(2) entwine-build.sh Ұͭͷlasσʔλ subset merge build Entwine 3DTiles

  7. ԿΛ͢Δ͔(3) ept-tool Entwine 3DTiles Cesium 3DTiles

  8. ௚઀Cesium 3DTilesʹͰ͖ͳ͍ͷ͔ https://gitlab.com/Oslandia/py3dtiles Py3dtilesͰ͸las͔Β௚઀3DTiles΁ม׵͸Ͱ͖Δ͕EPSG:2450ʹରԠ͠ ͍ͯͳ͍ ͍͓ͪ͏EPSGͷม׵ͷύον͸౤͕͛ͨɺ·ͩ͏·͘ػೳ͍ͯ͠ ͳ͍… ͳ͓ɺgithubͰ͸ͳ͘gitlabͳͷͰ஫ҙ

  9. ϓϩάϥϜͷ঺հ

  10. download.sh wgetίϚϯυͰҰׅμ΢ϯϩʔυ͢Δ͚ͩ

  11. smellman/lastools lastoolsΛೖΕͨdocker image pdalͰ΋mergeػೳ͕͋Δ͕ɺϝϞϦෆ଍ͰམͪΔΑ͏ͳͷͰlastools Λར༻ lastoolsࣗମ͸ݹ͍lasΛ؅ཧ͢ΔιϑτͰɺීஈ࢖͍͢ΔͳΒpdalͷํ͕ ͓קΊ

  12. entwine-build.sh / connormanning/ entwine entwineͷެࣜdocker image entwineܗࣜΛ࡞੒͢Δͷʹ࢖͏ buildίϚϯυͰsubsetΦϓγϣϯͰ64෼ׂͨ͠΋ͷΛ࠷ޙʹmergeί ϚϯυͰҰͭͷEntwine 3DTilesΛ࡞੒

  13. ept-tools(ΧελϜ൛) EPSG:2450 ʹରԠͤͨ͞ept-tools Proj4ͷఆٛΛ௥Ճ͚ͨͩ͠ ຊՈept-tools͕·࣮ͨ૷͕มΘͬͯ͠·ͬͨͷͰύονΛ౤͛Δ ͷ͕೉͘͠ͳ͍ͬͯΔ Entwine 3DTiles͔ΒCesium 3DTilesʹม׵͢Δͷʹར༻

  14. ͋ͱ͸ ద౰ʹखΛಈ͔͍ͯͩ͘͠͞ BuildΛ64෼ׂ͍ͯ͠ΔͷͰ΋͔͢͠ΔͱऴΘΒͳ͍Մೳੑ͸͋Γ· ͢ ผαʔό༻ҙͰ͖ΔͳΒparallel൛Λ࢖ͬͯΈ͍ͯͩ͘͞ ਵ࣭࣌໰Λड͚෇͚·͢