Advice needed for geo search usage


(Alain Perry) #1

I'm quite the newbie when it comes to elasticsearch or GIS matters, so
please excuse any dumb questions or misunderstandings.

I have two indices with one type each: one in which I store districts of a
certain kind with a geo_shape (multipolygons, mostly), another in which I
store some sort of POI with a geo point property.

I'd like to be able to retrieve all POIs inside a given district. I was
thinking of using the geoshape filter, unfortunately I cannot seem to use
it on geo points. I could convert my geo points to geo shapes, but it looks
like this would render the geo distance filter unusable, though I need it
as well.

Could anyone give me some advice on how to keep both functionalities
(filtering on points in an indexed polygon and on points within a certain
distance) ?

Thank you.

--
Alain

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(Alexander Reelsen) #2

Hey,

you can also use geo_shapes instead of geo_points, as there is a specific
geo_shape from type point. Then your query should work.

--Alex

On Thu, Mar 6, 2014 at 5:48 PM, Alain Perry alain.perry@gmail.com wrote:

I'm quite the newbie when it comes to elasticsearch or GIS matters, so
please excuse any dumb questions or misunderstandings.

I have two indices with one type each: one in which I store districts of a
certain kind with a geo_shape (multipolygons, mostly), another in which I
store some sort of POI with a geo point property.

I'd like to be able to retrieve all POIs inside a given district. I was
thinking of using the geoshape filter, unfortunately I cannot seem to use
it on geo points. I could convert my geo points to geo shapes, but it looks
like this would render the geo distance filter unusable, though I need it
as well.

Could anyone give me some advice on how to keep both functionalities
(filtering on points in an indexed polygon and on points within a certain
distance) ?

Thank you.

--
Alain

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(Alain Perry) #3

Thanks for your answer. I was alluding to this possibility in my post, but
then, it looks to me like the geo distance filter won't work with
geo_shapes. Am I getting that wrong ?

--
Alain

Le vendredi 7 mars 2014 08:42:07 UTC+1, Alexander Reelsen a écrit :

Hey,

you can also use geo_shapes instead of geo_points, as there is a specific
geo_shape from type point. Then your query should work.

--Alex

On Thu, Mar 6, 2014 at 5:48 PM, Alain Perry <alain...@gmail.com<javascript:>

wrote:

I'm quite the newbie when it comes to elasticsearch or GIS matters, so
please excuse any dumb questions or misunderstandings.

I have two indices with one type each: one in which I store districts of
a certain kind with a geo_shape (multipolygons, mostly), another in which I
store some sort of POI with a geo point property.

I'd like to be able to retrieve all POIs inside a given district. I was
thinking of using the geoshape filter, unfortunately I cannot seem to use
it on geo points. I could convert my geo points to geo shapes, but it looks
like this would render the geo distance filter unusable, though I need it
as well.

Could anyone give me some advice on how to keep both functionalities
(filtering on points in an indexed polygon and on points within a certain
distance) ?

Thank you.

--
Alain

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(Alexander Reelsen) #4

Hey,

oh yes, misread that part. You could possibly index the point as a shape as
well as a geo_point and use the right one, whenever needed?

--Alex

On Fri, Mar 7, 2014 at 5:06 PM, Alain Perry alain.perry@gmail.com wrote:

Thanks for your answer. I was alluding to this possibility in my post, but
then, it looks to me like the geo distance filter won't work with
geo_shapes. Am I getting that wrong ?

--
Alain

Le vendredi 7 mars 2014 08:42:07 UTC+1, Alexander Reelsen a écrit :

Hey,

you can also use geo_shapes instead of geo_points, as there is a specific
geo_shape from type point. Then your query should work.

--Alex

On Thu, Mar 6, 2014 at 5:48 PM, Alain Perry alain...@gmail.com wrote:

I'm quite the newbie when it comes to elasticsearch or GIS matters, so
please excuse any dumb questions or misunderstandings.

I have two indices with one type each: one in which I store districts of
a certain kind with a geo_shape (multipolygons, mostly), another in which I
store some sort of POI with a geo point property.

I'd like to be able to retrieve all POIs inside a given district. I was
thinking of using the geoshape filter, unfortunately I cannot seem to use
it on geo points. I could convert my geo points to geo shapes, but it looks
like this would render the geo distance filter unusable, though I need it
as well.

Could anyone give me some advice on how to keep both functionalities
(filtering on points in an indexed polygon and on points within a certain
distance) ?

Thank you.

--
Alain

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(system) #5