Questions tagged [elasticsearch]
Elasticsearch is a distributed, open source search and analytics engine.
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1answer
22 views
Geocoding addresses including address cleaning and validation
I am tasked with building a geocoder (and in the long term reverse geocoder) from a local data I own. Since I am new to this and literature is relatively scarce, I would like to know what are some ...
2
votes
1answer
145 views
Better performance for geohash aggregation with PostGIS
I'm using the GeoNames (https://www.geonames.org/) dataset and want to aggregate the points in geohash of a specific precision. Beforehand I'm filtering with an bbox. So this is the query I came up ...
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0answers
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GeoServer REST harvesting with ElasticSearch using CSW as entrypoint
I've been assigned a task to research ways of using geoserver as a data source to elasticsearch using geoserver's CSW endpoint as a catalogue.
Essentially, I need a middle-layer between an instance ...
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0answers
24 views
Parsing text in feature class attachments
Is there any way to parse text in feature class attachments using ArcGIS Desktop?
I have a feature class with ~60,000 features, all of which have an associated .pdf file. I would like to query the ...
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0answers
243 views
Provided shape has duplicate consecutive coordinates at: (-87.2576, 90.0, NaN) [closed]
I get the following error when I send POST request to GeoServer. This error occurs only with particular layer. Other layers work fine.
<?xml version="1.0"?>
<ServiceExceptionReport version="...
2
votes
1answer
260 views
Geoserver Point-to-Line Aggregation possible?
I'm trying to use Geoserver to serve a WMS displaying lines instead of points, but without changing the underlying data structure. Currently I'm displaying the data as simple points, which works fine.
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8
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1answer
3k views
Calculating Optimal Geohash Precision from Bounding Box
I'm using Elasticsearch's GeoHash grid Aggregation to plot clusters on a map (using Leaflet). I understand that for larger areas a lower precision setting should be used to limit the number of buckets ...
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0answers
307 views
Get grid area from geographic coordinates
I have a list of geo coordinates. What I want is a list of grid areas and a number of geographic points in that area. By doing this I can get the information in which areas in the world the most ...
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2answers
1k views
Elasticsearch datastore for GeoServer
When searching for a possibility to use an Elasticsearch data store as a data source in GeoServer, I found this inofficial plugin.
Its documentation states that you have to clone the Git repository ...
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vote
1answer
244 views
ElasticSearch behaving different between cities
I'm experiencing some very strange behavior from Elasticsearch. I am using geo_bounding_box to search the area visible in Google Maps. I have data in New York and San Fransisco. New York behaves as ...
2
votes
2answers
2k views
Geocoding on OSM shapefiles via Elasticsearch
I want to get a geocoding system based on OSM data and Elasticsearch engine. I've tried some projects like komoot\photon, but, as I'm a really newbie in this, I stuck on preparing of the data for my ...
3
votes
1answer
2k views
Points of LinearRing do not form a closed linestring - one point intersection
I'm trying to index geojson data using elasticsearch.
There is some kind of polygons that causing an error: "Points of LinearRing do not form a closed linestring".
Looks like it happens because ...
2
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1answer
1k views
Converting OpenStreetMaps PBF to geojson with geocoding
I am able to convert PBF to geojson, but I lack the additional attributes like state, country, city, suburb, type of business etc which is offered by geocoding service like Nominatim.
The geojson ...
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votes
3answers
976 views
FME and elasticsearch
We are developing a system to disseminate information about roadkills. The source data comes from three different databases. We have set up a FME project which pulls geojson from the source databases, ...
