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types.go
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types.go
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package geofind
type Point struct {
Lat float32
Lng float32
}
// This is a common framework adopted by Yandex and Google.
type Feature struct {
Type string `json:"type"`
Geometry Geometry `json:"geometry"`
Properties Properties `json:"properties"`
}
// Some regions/countries/arbitrary regions may have separate polygons, divided by the main.
// for example, enclaves, etc.
func (feature *Feature) IsMultiPolygonal() bool {
return feature.Geometry.Type == "MultiPolygon"
}
func (feature *Feature) GetSinglePolygon() [][]float32 {
// All polygons are in nested elements of arrays, so the structure is always three-level
return feature.Geometry.Coordinates[0] // [0] In any case, there is only 1 and only 1 element!
}
func (feature *Feature) GetAllPolygons() [][][]float32 {
return feature.Geometry.Coordinates
}
type Properties struct {
Iso3166 string `json:"iso_3166"`
Name string `json:"name"`
Level string `json:"level"`
Parents []Parent `json:"parents"`
Neighbors []string `json:"neighbors"`
}
type Geometry struct {
Type string `json:"type"`
Coordinates [][][]float32 `json:"coordinates"`
}
type Parent struct {
Delta int `json:"delta"`
Iso3166 string `json:"iso_3166"`
}
type Polygons struct {
Type string `json:"type"`
Features []Feature `json:"features"`
}