This library provides a set of H3 functions and procedures for Neo4j 5.
H3 is a hexagonal hierarchical geospatial indexing system (https://h3geo.org) This library uses the H3 api which can be found at https://h3geo.org/docs/api/indexing
This project uses maven, to build a jar-file with the procedure in this project, simply package the project with maven:
mvn clean package
This will produce a jar-file, neo4jh3-5.25.1.jar,
that can be copied to the plugins directory of your Neo4j instance.
cp target/neo4jh3-5.25.1.jar neo4j-enterprise-5.x.0/plugins/.
Edit your Neo4j/conf/neo4j.conf file by adding this line:
dbms.security.procedures.unrestricted=apoc.*,gds.*,com.neo4jh3.*,neo4jh3.*
dbms.security.procedures.allowlist=apoc.*,gds.*,com.neo4jh3.*,neo4jh3.*
(Re)start Neo4j
Refer to the Documentation.md file for detailed documentation on the functions / procedures. The Documentation_525.md file contains documentation for the new naming convention.
The Neo4jH3 plugin requires the ability to write to the temp directory. If the temp directory configured with noexec, then you need to update the neo4j.conf with these two lines:
server.jvm.additional=-Djava.io.tmpdir=/path_to_a_new_directory/temp
server.jvm.additional=-Djna.tmpdir=/path_to_a_new_directory/temp