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完全オフライン地図サーバ UNVT Portable を フィールドに持っていこう!
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mapconcierge
November 29, 2025
Technology
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完全オフライン地図サーバ UNVT Portable を フィールドに持っていこう!
FOSS4G SHINSHU 2025 一般発表
2025-11-29 古橋登壇資料
© mapconcierge, CC BY-SA 4.0
mapconcierge
November 29, 2025
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Transcript
1IPUP!NJDIBFMEXFJTTPO5XJUUFS IUUQTUXJUUFSDPNNJDIBFMEXFJTTTUBUVTQIPUP 5BJDIJ'VSVIBTIJ BLB!NBQDPODJFSHF $PTQFBLFS.BSJB"OUPOJB#SPWFMMJ 1SPGFTTPSPG"PZBNB(BLVJO6OJWFSTJUZ 7JTJUJOH1SPGFTTPSPG1PMJUFDOJDPEJ.JMBOP શΦϑϥΠϯ ਤαʔό 6/75QPSUBCMFΛ
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7JTJUJOH1SPGFTTPS 4FQ"VH
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http://unopengis.org
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Raster Tile Vector Tile
IUUQTHJUIVCDPNNBQCPYWFDUPSUJMFTQFD
IUUQTCMPHPQFOTUSFFUNBQPSHWFDUPSUJMFTBSFEFQMPZFEPOPQFOTUSFFUNBQPSH
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IUUQTHJUIVCDPNIZQFSLOPUPQFOGSFFNBQCMPCNBJOEPDTTFMG@IPTUJOHNE
IUUQTHJUIVCDPNQSPUPNBQT1.5JMFT IUUQTHJUIVCDPNCEPO
IUUQTNBQTQSPUPNBQTDPNCVJMET
IUUQTNBQTQSPUPNBQTDPNCVJMET
IUUQTUJMFPQFOTUSFFUNBQKQTUBUJD
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IUUQTUJMFPQFOTUSFFUNBQKQTUBUJD Thanks!
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Σϒਤͷ՝ ਤσʔλͷେ༰ྔԽ αʔϏεܧଓੑͷ֬อʢίετʣ Πϯλʔωοτґଘ ηΩϡϦςΟͱརศੑͷ֬อ
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Σϒਤͷ՝ ਤσʔλͷେ༰ྔԽ αʔϏεܧଓੑͷ֬อʢίετʣ Πϯλʔωοτґଘ ηΩϡϦςΟͱརศੑͷ֬อ
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ਤλΠϧΛීஈ͔Β ࣋ͪӡͼ͍ͨ
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Offline Web Mapping Server UNVT Portable Shogo Hirasawa @Shogo_Hirasawa
Taichi Furuhashi @mapconcierge University of Tokyo Aoyama Gakuin University
UNVT Portable is a package for RaspberryPi that functions as
a map hosting server and can be freely accessed from a web browser
PURPOSE
https://map.openaerialmap.org/#/140.96297660842538,37.70990916884302,22/square/13300122001111032333/625429ebfe1b5d0006ae8d26?_k=9unhab
UNVT Portable Miniciparity Officer Web browser Orthomosaic Imageries Raster Tile
Combined Raster/Vector Tile data set Local Wi-Fi
Build datasets based on OpenStreetMap, pre-installed with other tiled datasets,
drone aerial data, shelter and hazard map data Web maps can be viewed in an offline environment during a disaster.
None
UNVT Portable 2025
None
None
None
https://github.com/unvt/portable You can join on GitHub!!
https://github.com/unvt/portable You can join on GitHub!!
ͲΜͳSDcard͕ྑ͍ʁ
IUUQTXXXSBTQCFSSZQJDPNOFXTTEDBSETBOECVNQFS Speed Class: C10, U3, V30, A2 128GB 64GB 32GB
1TB SDcard ͬͯ͑Δͷʁ
BNB[PODPKQݱࡏͷՁ֨ IUUQTBN[OUPI$;(+
IUUQTHJUIVCDPNVOWUQPSUBCMFJTTVFT
IUUQTHJUIVCDPNVOWUQPSUBCMFJTTVFT
IUUQTHJUIVCDPNVOWUQPSUBCMFJTTVFT
IUUQTHJUIVCDPNVOWUQPSUBCMFJTTVFT
IUUQTHJUIVCDPNVOWUQPSUBCMFJTTVFT
IUUQTHJUIVCDPNVOWUQPSUBCMF
IUUQTESJWFHPPHMFDPNESJWFGPMEFSTR(:X7ZS:4R9,Y6MW3R0WNQ+' VTQESJWF@MJOL
IUUQTZPVUVCFDPNTIPSUT"/X)F&RG2 0QFSBUJPODIFDL XJUIB(#.JDSP4%DBSE
You can Try!
But
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࠷খύοέʔδͰ͍͍ͨ
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# Performance of PMTiles on Local
None
Comparison Tiles OSM Raster Tile OSM Vector Tile/MVT Protomaps Vector
Tile/PMTiles UNVTportable Vector Tile/PMTiles https://tile.openstreetmap.org/Z/X/Y.png https://vector.openstreetmap.org/shortbread_v1/Z/X/Y.mvt https://demo-bucket.protomaps.com/v4.pmtiles http://10.42.0.1/zxy/OSMplanet/ osmfj_planet_2025-01-25a.pmtiles
5IJT fi HVSFTIPXTUIFNFBOMBUFODZBOETUBOEBSEEFWJBUJPOGPSFBDIUJMFSFUSJFWBMNFUIPE 04.7FDUPS5JMFTBSFUIFGBTUFTU XJUIBNFBOPGNT GPMMPXFECZ04.3BTUFS5JMFTBUNT6/751PSUBCMF1.5JMFTBDIJFWFBNFBOPGNTXJUIBSFMBUJWFMZTNBMMTUBOEBSEEFWJBUJPO JOEJDBUJOHSFMJBCMF QFSGPSNBODFDPNQBSBCMFUPPOMJOFNFUIPET *ODPOUSBTU
1SPUPNBQT1.5JMFT DMPVE TIPXBNFBOMBUFODZPG NTBOEBTUBOEBSEEFWJBUJPOPG NT JMMVTUSBUJOHUIFIFBWZPWFSIFBEBOEJOTUBCJMJUZJOUSPEVDFECZDMPVECBTFESBOHFSFRVFTUT 04. 7FDUPS JT UIF GBTUFTU CVU 6/751PSUBCMF IBT BMTP TIPXO DPNQFUJUJWFQFSGPSNBODF BDIJFWJOH DPNQBSFEUP04.7FDUPS
None
# Local Wi-Fi Performance
Distance 2.4 GHzʢ802.11b/g/nʣ 5 GHzʢ802.11a/n/acʣ
Distance 0m 20m 10m 5m 15m
None
near-field multipath interference often seen in indoor Wi-Fi environments.
10m 15m
10m 15m
20m 20m
None
ࠓ6/751PSUBCMF ࣋ͪา͍ͯ·͢ͷͰ ࠙ձͳͲͰ͔͚͍ͯͩ͘͞ʂ %&.0͠·͢ʂ
None
Easy access for everyone!
Happy Mapping with UNVT Portable
5BJDIJ'636)"4)* !NBQDPODJFSHF 5IBOLZPV ,JBPSB