readers.geowave

The GeoWave reader uses GeoWave to read from Accumulo. GeoWave entries are stored using EPSG:4326. Instructions for configuring the GeoWave plugin can be found here.

Dynamic Plugin

This stage requires a dynamic plugin to operate

Example

{
  "pipeline":[
    {
      "type":"readers.geowave",
      "zookeeper_url":"zookeeper1:2181,zookeeper2:2181,zookeeper3:2181",
      "instance_name":"GeoWave",
      "username":"user",
      "password":"pass",
      "table_namespace":"PDAL_Table",
      "feature_type_name":"PDAL_Point",
      "data_adapter":"FeatureCollectionDataAdapter",
      "points_per_entry":"5000u",
      "bounds":"([0,1000000],[0,1000000],[0,100])",
      "filename":"./pdal/test/data/autzen/autzen.jpg"
    },
    {
      "type":"writers.text",
      "filename":"outputfile.txt"
    }
  ]
}

Options

zookeeper_url
The comma-delimited URLs for all zookeeper servers, this will be directly used to instantiate a ZookeeperInstance. [Required]
instance_name
the zookeeper instance name, this will be directly used to instantiate a ZookeeperInstance. [Required]
username
The username for the account to establish an Accumulo connector. [Required]
password
The password for the account to establish an Accumulo connector. [Required]
table_namespace
The table name to be used when interacting with GeoWave. [Required]
feature_type_name
The feature type name to be used when ineracting GeoWave. [Default: PDAL_Point]
data_adapter
FeatureCollectionDataAdapter stores multiple points per Accumulo entry. FeatureDataAdapter stores a single point per Accumulo entry. [Default: FeatureCollectionDataAdapter]
points_per_entry
Sets the maximum number of points per Accumulo entry when using FeatureCollectionDataAdapter. [Default: 5000u]
bounds
The extent of the bounding rectangle to use to query points, expressed as a string, eg: “([xmin,xmax],[ymin,ymax],[zmin,zmax])”. [Default: unit cube]