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Geo Distance Aggregation Usage
editGeo Distance Aggregation Usage
editFluent DSL example
edits => s
.Aggregations(a => a
.GeoDistance("rings_around_amsterdam", g => g
.Field(p => p.Location)
.Origin(52.376, 4.894)
.Ranges(
r => r.To(100),
r => r.From(100).To(300),
r => r.From(300)
)
)
)
Object Initializer syntax example
editnew SearchRequest<Project>
{
Aggregations = new GeoDistanceAggregation("rings_around_amsterdam")
{
Field = Field((Project p) => p.Location),
Origin = "52.376, 4.894",
Ranges = new List<Nest.Range>
{
new Nest.Range { To = 100 },
new Nest.Range { From = 100, To = 300 },
new Nest.Range { From = 300 }
}
}
}
Example json output.
{
"aggs": {
"rings_around_amsterdam": {
"geo_distance": {
"field": "location",
"origin": {
"lat": 52.376,
"lon": 4.894
},
"ranges": [
{
"to": 100.0
},
{
"from": 100.0,
"to": 300.0
},
{
"from": 300.0
}
]
}
}
}
}
Handling Responses
editresponse.IsValid.Should().BeTrue();
var ringsAroundAmsterdam = response.Aggs.GeoDistance("rings_around_amsterdam");
ringsAroundAmsterdam.Should().NotBeNull();
ringsAroundAmsterdam.Buckets.FirstOrDefault(r => r.Key == "*-100.0").Should().NotBeNull();
ringsAroundAmsterdam.Buckets.FirstOrDefault(r => r.Key == "100.0-300.0").Should().NotBeNull();
ringsAroundAmsterdam.Buckets.FirstOrDefault(r => r.Key == "300.0-*").Should().NotBeNull();