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FirestoreͷGeoPointܕΛ͍͜ͳ͢
ʙGeoFireXΛͬͨҐஔใݕࡧʙ
2019/10/29 Firebase Meetup in Osaka #6
͠Μ͛Μ
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ࣗݾհ
-BSBWFM
7VFKT
'JSFCBTF
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ձࣾհ
߹ಉձࣾϊϚυϦ
ۀظ
ैۀһ໊
8FCܥडୗ։ൃ
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αφେ͖ʢि4Քಇʣ
࠷ۙɺभ/P
౬Βͬ͘͢
ߦ͖ͬͯ·ͨ͠ʂʂ
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Firestoreͬͯ·͢ʁ!
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Firestoreͷಛ
• ϦΞϧλΠϜσʔλऔಘ
• ΦϑϥΠϯαϙʔτ
• ଟ༷ͳσʔλܕʢจࣈྻɺɺλΠϜελ
ϯϓܕɺGeoPointܕͳͲʣ
• O/RϚοϐϯάෆཁ
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• ҐஔใʢҢͱܦʣΛอଘ͢Δσʔλܕ
GeoPointܕͱ
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• 1ΧϥϜͰҢͱܦ͕ѻ͑Δ
GeoPointܕͱ
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• ΫϥΠΞϯτ͔ΒΦϒδΣΫτͱͯ͠؆୯
ʹऔಘͰ͖Δ
GeoPointܕͱ
Ң ܦ
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·͋ɺҢܦ͕؆୯ʹѻ͑ͯ…
࣮༻తͳ͍ํ͕Γ͍ͨʂ
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ݱࡏ͔Βܘ̋kmͷΛ
ݕࡧ͢Δػೳ
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༻ͨ͠ϥΠϒϥϦ
• ᶃొ
• GoogleMaps Geocoding API
• ngeohashʢҢܦΛϋογϡԽ͢Δʣ
• ᶄݕࡧ
• GeoFireX ※ https://github.com/codediodeio/geofirex
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ᶃొ
ॅॴ ٶ࡚ݝٶ࡚ࢢ٦௨౦
ᶃ Geocoding API
Ң: 31.915439, ܦ: 131.42418
ᶄ ngeohash
geohash: wvtmwdh0v
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• ٿ্ͷશ࠲ඪΛҢܦΛͱʹϋογϡ
Խͨ͠ͷʢ ྫ: wvtmwdh0v ʣ
• 1~10ܻͰදݱ͞Εɺܻ͕େ͖͍ͱਫ਼͕ߴ
͍
• จࣈྻ͕ۙࣅͯ͠Δ΄Ͳೋؒڑ͕͍ۙ
GeohashͬͯԿʁ
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ᶄݕࡧ
ݱࡏͷ(FP'JSF1PJOUΦϒδΣΫτ
DPOTUDFOUFSHFPpSFYQPJOU
ܘLNҎΛݕࡧൣғʹઃఆ
DPOTUSBEJVT
HFPIBTIͱHFPQPJOUܕͷϑΟʔϧυΛࢦఆ
DPOTUpFMEbMPDBUJPO`
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ᶄݕࡧ
औಘ͢ΔίϨΫγϣϯΛࢦఆ
DPOTUDPMMFDUJPOHFPpSFYDPMMFDUJPO bDMJOJDT`
DMJOJDTίϨΫγϣϯΛରʹ
ݱࡏ͔ΒLNҎͷΛऔಘ͢Δ
DPOTUDMJOJDTDPMMFDUJPOXJUIJO DFOUFS
SBEJVT
pFME
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• FirestoreҢܦΛऔΓѻ͍͍͢
• దͳϥΠϒϥϦͱΈ߹ΘͤΔ͜ͱͰ࣮༻
తͳػೳΛ࡞Δ͜ͱ͕Ͱ͖Δ
·ͱΊ
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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ