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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.

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GeoMesa: Polygon creation fails with some coordinates

I am creating a polygon as a geom attribute in a SimpleFeature, and testing it with various geospatial coordinates, but I am finding that some coordinates work with POLYGON and others raise an exception. For example, this bounding box in South Korea…
user1930364
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GeoMesa: Cassandra table with composite key

Is it possible to create a Cassandra table with GeoMesa specifying keys (ie - a composite key)? I have a spark job that writes to Cassandra and a composite key is necessary for the output table. I would now like to create/write that same table…
user1930364
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Fast removing features from Geomesa

I have to remove large amount of features (about 100 mln records) from Geomesa data store as fast as possible. I tried to use: String cql = DATE_TIME_FIELD + " BEFORE " + strCurrentDateTime + ") AND " + "(" + TIMING_FIELD + " > 0)"; Filter…
Timur Kobilov
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GeoMesa: saving raster data

How can I save in GeoMesa raster data (GeoTIFF, DEM)? Can you please provide code examples? Also, please provide info (links) to the serialization of the raster data in Accumulo I have only found the following commands line…
Mike Argyriou
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How are GeoTIFFs persisted in GeoMesa?

How are GeoTIFFs saved in GeoMesa and Accumulo given that it is a key-value datastore? Moreover, which indices are added (if!) and on which fields? Likewise, for other formats such as: GeoJSON GML KML
Mike Argyriou
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Geomesa WPS tubeselect error

I am running geoserver 2.9.4 from this image and I am trying to get the tubeselect example working, because I need to show how points move through time. My WPS request is the following: gs:Import …
jramirez
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Geomesa + SparkSQL integration issue

My setup is a 3-nodes cluster running in AWS. I already ingested my data (30 millon rows) and have no problems when running queries using jupyter notebook. But now I am trying to run a query using spark and java, as seen in the following…
jramirez
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Geomesa Query Performance

Geomesa is a spatial temporal database, more details are available here: http://www.geomesa.org/ I am trying the example tutorial, by setting up Hbase database with it. I am running the Hbase QuickStart tutorial…
Sandeep Singh
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Aggregations With Geomesa

Does geomesa support aggregation functions?. Like 1. Calculating matching feature COUNT for the given query. Max/Min of an attribute for specified query collections. Avg of an attribute value for specified query collections. I tried with geotools…
Suresh Prajapati
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Accumulo IOExceptions in internalRead

I am trying to query an accumulo table using geomesa, everything works fine, I get the correct result of the query but getting warnings logged about "Error closing output stream". Here is sample log: [WARN] 2017-05-04 13:00:00…
Suresh Prajapati
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Make spark-sql UDF available in Scala spark data frame DSL API

How can I access geomesas UDF in spark scala dataframe (not textual) api? I.e. how to convert How can I make sql UDFs available in the textual spark-sql API available in the scala data frame DSL? I.e. how to enable instead of this…
Georg Heiler
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What is difference between catalog and feature in geomesa?

I am trying to understand how a catalog(table) and features differs. Till now what I can understand is we can create multiple features in a single catalog, but why I need to do so?. Why I can't create features independently?. What is being achieved…
Suresh Prajapati
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geomesa ingest command not working

I am setting up environments for geomesa-accumulo data store and trying to ingest feature using csv file by creating sfts and converters in respective reference.conf file. However when I run command geomesa ingest -u root -p mypassword -c ajjas -i…
Suresh Prajapati
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Exception getting zoo instance in geomesa accumulo data store

Thanks for your attention. I am setting up Accumulo Data Store using geomesa and zookeper and have completed set up configuration changes and installed required instance like accumulo, java and maven. When I am creating a new feature using command…
Suresh Prajapati
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Comparing distributed cloud data storage systems for GeoMesa

I am new to GeoMesa and before I choose any data storage on which geomesa can be built on, I want to compare what are the pros and cons for each cloud data storage like Accumulo Kafka BigTable HBase Cassandra can offer?
Suresh Prajapati
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