Questions tagged [geomesa]

GeoMesa is an open-source, distributed, spatio-temporal database built on top of different cloud data storage systems such as Accumulo, HBase, Cassandra, and Kafka. It aims to provide spatial querying and data manipulation functionalities to those databases in the same fashion as PostGIS does to Postgres.

Links:

154 questions
0
votes
1 answer

QUICKSTART WITH GEOMESA REDIS

Its my first time to try geomesa with redis,accroding to offical quickstart tutorial,I try: mvn clean install -pl geomesa-tutorials-redis/geomesa-tutorials-redis-quickstart -am It work normally: [INFO] Reactor Summary for GeoMesa Tutorials and…
turingF
  • 51
  • 1
  • 6
0
votes
1 answer

Is there any way to use GeoJSON conveniently with Geomesa?

I wouldn't like to build a Geomesa Datastore, just want to use the Geomesa Spark Core/SQL module to do some spatial analysis process on spark. My data sources are some GeoJson files on hdfs. However, I have to create a SpatialRDD by…
Ficush
  • 73
  • 5
0
votes
1 answer

Speed up geomesa query

I've been testing geomesa with simple spatial queries and comparing it with Postgis. For example this SQL query runs in 30 sec in Postgis: with series as ( select generate_series(0, 5000) as i ), points as ( select ST_Point(i, i*2) as geom…
0
votes
1 answer

Geomesa IN Query Performance

I am using Geomesa as a spatial temproral database. For one of the use-case. I need to do Geomesa Id based query (100 Ids in a batch). I am seeing high latency with IN query. Is there anyway to improve the query performance? Below is the…
Amit
  • 59
  • 6
0
votes
1 answer

Geomesa-utils: How to choose ResolutionRange

Using geomesa-utils to get geohashes, I shall pass as parameter ResolutionRange instance. See…
Rolintocour
  • 2,934
  • 4
  • 32
  • 63
0
votes
0 answers

Implements GeoMESA on CDH6

I have cluster of Cloudera with CDH 6.1. I need to implement solution for geospatial processing based on GeoMESA library. My solution should read geospatial data from both CSV, and GeoJSON files. After some research I found that GeoMESA must have…
0
votes
1 answer

Attribute Index doesn't work in GeoMesa HBase

I tried to store some data in Geomesa HBase cluster without spatial index. The table schema is as below. However I was not able to query data with attribute index (in this case the "nodeId" column). The export command I used is: geomesa-hbase export…
Jon Cai
  • 1
  • 1
0
votes
1 answer

Location of ingested data through geomesa-hbase ingest command

I am totally new to geomesa ,I am using geomes-hbase-2.11-2.3.1 and I have followed below site for data ingestion. https://www.geomesa.org/documentation/tutorials/geomesa-examples-gdelt.html It successfully ingested data into hdfs and geomesa-hbase…
0
votes
2 answers

Geomesa BBOX Query is not returning all results

I was playing with Geomesa (using HBase) BBOX query on OSM node data. I found for a specific region geomesa is not returning all the node in the bounding box. For example, I fired 3 queries: BBOX(-122.0,47.4,-122.01,47.5) - Output has 5,477 Unique…
Amit
  • 59
  • 6
0
votes
0 answers

How to get data using Geomesa

Is there any way we can get intersection of States and Counties using Geomesa-Accumulo from a large Dataset using queries (CQL,JAVA) and reverse geocoding ?
0
votes
1 answer

QGIS integration with Geomesa OR GeoServer

I am using GeoMesa 2.3.1. I want to connect my Geomesa AWS EMR cluster from QGIS-3.4 version. While investigating, I found (http://planet.qgis.org/planet/tag/geomesa/), where the blog talked about how to use QGIS for Geomesa via GeoServer.…
Amit
  • 59
  • 6
0
votes
1 answer

How to read data from Geomesa HBase Table?

I have a curiosity to know what value Geomesa store in the HBase? What processing/conversion Geomesa does before storing data into HBase? For example, If I do get for an Id on HBase directly, then I get the response-1, but for the same Id if I do…
Amit
  • 59
  • 6
0
votes
1 answer

How to fix classpath problem in a GeoMesa+HBase POM

org.geotools.data.DataStore.createSchema(sft) raises the java.lang.NoSuchMethodError:…
0
votes
2 answers

How do I ingest geojson in Geomesa?

I'm trying to ingest a geojson file like this: { "type": "FeatureCollection", "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } }, "features": [ { …
pochi
  • 41
  • 6
0
votes
1 answer

Ingest a big Geojson to Geomesa

I have a geojson file that I want to ingest to geomesa. As I understood from other posts, That I should create a converter to do so. The file is as follow: { "type": "FeatureCollection", "crs": { "type": "name", "properties":…
pochi
  • 41
  • 6