forked from TrueCloudLab/frostfs-node
[#316] locode: Implement polygons DB based on GeoJSON polygons
Define database of Earth's polygons in GeoJSON format. Implement resolving of geo point to continent in which it is located through point-in-polygon calculation. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>support/v0.27
Leonard Lyubich
Leonard Lyubich
parent
d8c3a0e4f5
commit
9669afdfc7
3
go.mod
3
go.mod
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@ -20,6 +20,7 @@ require (
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github.com/nspcc-dev/neofs-crypto v0.3.0
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github.com/nspcc-dev/tzhash v1.4.0
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github.com/panjf2000/ants/v2 v2.3.0
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github.com/paulmach/orb v0.2.1
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github.com/pkg/errors v0.9.1
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github.com/prometheus/client_golang v1.6.0
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github.com/spf13/cobra v1.0.0
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@ -36,7 +37,7 @@ require (
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golang.org/x/sys v0.0.0-20201024232916-9f70ab9862d5 // indirect
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golang.org/x/tools v0.0.0-20200123022218-593de606220b // indirect
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google.golang.org/grpc v1.29.1
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google.golang.org/protobuf v1.23.0
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google.golang.org/protobuf v1.25.0
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)
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// Used for debug reasons
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17
go.sum
17
go.sum
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@ -100,6 +100,7 @@ github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8
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github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
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github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
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github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
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github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
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github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
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github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
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github.com/etcd-io/bbolt v1.3.3/go.mod h1:ZF2nL25h33cCyBtcyWeZ2/I3HQOfTP+0PIEvHjkjCrw=
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@ -123,6 +124,7 @@ github.com/go-yaml/yaml v2.1.0+incompatible/go.mod h1:w2MrLa16VYP0jy6N7M5kHaCkaL
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github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
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github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
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github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
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github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
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github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
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github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
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github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
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@ -137,6 +139,7 @@ github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:x
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github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
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github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
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github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
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github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
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github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
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github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
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github.com/golang/snappy v0.0.0-20170215233205-553a64147049/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
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@ -151,6 +154,8 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
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github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
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github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
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github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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github.com/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
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github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
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github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=
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github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
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@ -209,6 +214,7 @@ github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7
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github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
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github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
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github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
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github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
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github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
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github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4=
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github.com/klauspost/compress v1.11.3 h1:dB4Bn0tN3wdCzQxnS8r06kV74qN/TAfaIS0bVE8h3jc=
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@ -303,6 +309,9 @@ github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7J
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github.com/panjf2000/ants/v2 v2.3.0 h1:+l+41IiyMmpcK+YhWs2dn3tgL6cg4cvJzup1mBGmU00=
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github.com/panjf2000/ants/v2 v2.3.0/go.mod h1:LtwNaBX6OeF5qRtQlaeGndalVwJlS2ueur7uwoAHbPA=
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github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
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github.com/paulmach/orb v0.2.1 h1:Pp9UuWpUlGVRXzRC5eFlOgdlOXd/a3ALWC3UFLM3gOc=
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github.com/paulmach/orb v0.2.1/go.mod h1:91bG5A8qKNOiZtlKc0BqKMB3O5kWfRQorTwo8BZ2B/0=
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github.com/paulmach/protoscan v0.2.0/go.mod h1:2c55sl1Hu6/tgRfc8Y8zADsxuSCYC2IrPh0JCqP/yrw=
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github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=
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github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
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github.com/pierrec/lz4 v2.5.2+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
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@ -511,6 +520,7 @@ golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxb
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golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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golang.org/x/tools v0.0.0-20180318012157-96caea41033d/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
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golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
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@ -555,12 +565,15 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98
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google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
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google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a h1:Ob5/580gVHBJZgXnff1cZDbG+xLtMVE5mDRTe+nIsX4=
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google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
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google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
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google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
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google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
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google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
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google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
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google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
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google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
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google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
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google.golang.org/grpc v1.29.1 h1:EC2SB8S04d2r73uptxphDSUG+kTKVgjRPF+N3xpxRB4=
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google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
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google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
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@ -568,8 +581,12 @@ google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ
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google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
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google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
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google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
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google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
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google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
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google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
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google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
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google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
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google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
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gopkg.in/abiosoft/ishell.v2 v2.0.0/go.mod h1:sFp+cGtH6o4s1FtpVPTMcHq2yue+c4DGOVohJCPUzwY=
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gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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@ -0,0 +1,90 @@
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package continentsdb
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import (
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"io/ioutil"
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locodedb "github.com/nspcc-dev/neofs-node/pkg/util/locode/db"
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"github.com/paulmach/orb"
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"github.com/paulmach/orb/geojson"
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"github.com/paulmach/orb/planar"
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"github.com/pkg/errors"
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)
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const continentProperty = "Continent"
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// PointContinent goes through all polygons, and returns continent
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// in which point is located.
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//
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// Returns locodedb.ContinentUnknown if no entry matches.
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//
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// All GeoJSON feature are parsed from file once and stored in memory.
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func (db *DB) PointContinent(point *locodedb.Point) (*locodedb.Continent, error) {
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var err error
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db.once.Do(func() {
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err = db.init()
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})
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if err != nil {
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return nil, err
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}
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planarPoint := orb.Point{point.Longitude(), point.Latitude()}
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var continent string
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for _, feature := range db.features {
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if multiPolygon, ok := feature.Geometry.(orb.MultiPolygon); ok {
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if planar.MultiPolygonContains(multiPolygon, planarPoint) {
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continent = feature.Properties.MustString(continentProperty)
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break
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}
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} else if polygon, ok := feature.Geometry.(orb.Polygon); ok {
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if planar.PolygonContains(polygon, planarPoint) {
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continent = feature.Properties.MustString(continentProperty)
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break
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}
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}
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}
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c := continentFromString(continent)
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return &c, nil
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}
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func (db *DB) init() error {
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data, err := ioutil.ReadFile(db.path)
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if err != nil {
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return errors.Wrap(err, "could not read data file")
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}
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features, err := geojson.UnmarshalFeatureCollection(data)
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if err != nil {
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return errors.Wrap(err, "could not unmarshal GeoJSON feature collection")
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}
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db.features = features.Features
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return nil
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}
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func continentFromString(c string) locodedb.Continent {
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switch c {
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default:
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return locodedb.ContinentUnknown
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case "Africa":
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return locodedb.ContinentAfrica
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case "Asia":
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return locodedb.ContinentAsia
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case "Europe":
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return locodedb.ContinentEurope
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case "North America":
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return locodedb.ContinentNorthAmerica
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case "South America":
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return locodedb.ContinentSouthAmerica
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case "Antarctica":
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return locodedb.ContinentAntarctica
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case "Australia", "Oceania":
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return locodedb.ContinentOceania
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}
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}
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@ -0,0 +1,63 @@
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package continentsdb
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import (
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"fmt"
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"sync"
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"github.com/paulmach/orb/geojson"
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)
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// Prm groups the required parameters of the DB's constructor.
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||||
//
|
||||
// All values must comply with the requirements imposed on them.
|
||||
// Passing incorrect parameter values will result in constructor
|
||||
// failure (error or panic depending on the implementation).
|
||||
type Prm struct {
|
||||
// Path to polygons of Earth's continents in GeoJSON format.
|
||||
//
|
||||
// Must not be empty.
|
||||
Path string
|
||||
}
|
||||
|
||||
// DB is a descriptor of the Earth's polygons in GeoJSON format.
|
||||
//
|
||||
// For correct operation, DB must be created
|
||||
// using the constructor (New) based on the required parameters
|
||||
// and optional components. After successful creation,
|
||||
// The DB is immediately ready to work through API.
|
||||
type DB struct {
|
||||
path string
|
||||
|
||||
once sync.Once
|
||||
|
||||
features []*geojson.Feature
|
||||
}
|
||||
|
||||
const invalidPrmValFmt = "invalid parameter %s (%T):%v"
|
||||
|
||||
func panicOnPrmValue(n string, v interface{}) {
|
||||
panic(fmt.Sprintf(invalidPrmValFmt, n, v, v))
|
||||
}
|
||||
|
||||
// New creates a new instance of the DB.
|
||||
//
|
||||
// Panics if at least one value of the parameters is invalid.
|
||||
//
|
||||
// The created DB does not require additional
|
||||
// initialization and is completely ready for work.
|
||||
func New(prm Prm, opts ...Option) *DB {
|
||||
switch {
|
||||
case prm.Path == "":
|
||||
panicOnPrmValue("Path", prm.Path)
|
||||
}
|
||||
|
||||
o := defaultOpts()
|
||||
|
||||
for i := range opts {
|
||||
opts[i](o)
|
||||
}
|
||||
|
||||
return &DB{
|
||||
path: prm.Path,
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
package continentsdb
|
||||
|
||||
// Option sets an optional parameter of DB.
|
||||
type Option func(*options)
|
||||
|
||||
type options struct{}
|
||||
|
||||
func defaultOpts() *options {
|
||||
return &options{}
|
||||
}
|
||||
Loading…
Reference in New Issue