anneb / polylabel

An attempt to externally calculate but efficiently add label points to polygons stored in PostGIS using streams

Polylabel

An early attempt to externally calculate but efficiently add label points to polygons stored in PostGIS.
Possibly usable as skeleton for future external PostGIS record by record calculations.

Requirements

• git
• npm / node
• PostGIS database

Installation

git clone this_repository
cd this_respository
npm install
# now configure the database connection
# .. see Configuration below
# then run 
npm start

Configuration

The database connection parameters should be defined in file config.json.
Copy file config.json.example to config.json and update the database connection parameters.

usage

# get usage info
node index.js

usage:
node index.js table=tablename
optional parameters: schema=public, labelPointField=labelpoint, polygonField=geom, idField=id, tempTableName=null
See config.json for database connection parameters