Contents

require 'neo4j/spatial/listener'
require 'neo4j/spatial/database'
require 'neo4j/spatial/geometry'

java_import org.neo4j.gis.spatial.Constants
java_import org.neo4j.gis.spatial.SpatialDatabaseService
java_import org.neo4j.gis.spatial.ShapefileImporter

module Neo4j
  module Spatial
    class SHPImporter
      include Listener
      include Database
      def initialize(options={})
        database(options)
        @importer = org.neo4j.gis.spatial.ShapefileImporter.new(normal_database, self, @commit)
      end
      def import(shp_path,layer_name=nil)
        @shp_path = shp_path
        layer_name ||= shp_path.split(/[\\\/]+/)[-1].gsub(/\.\w+$/,'')
        puts "\n=== Loading layer #{layer_name} from #{shp_path} ==="
        @importer.import_file @shp_path, layer_name
      end
      def to_s
        @shp_path.to_s
      end
    end

    # This class facilitates exporting datasets in the ESRI Shapefile format
    class SHPExporter
      include Database
      def initialize(options={})
        options[:dir] ||= "target/export"
        database(options)
        @exporter = org.neo4j.gis.spatial.ShapefileExporter.new(normal_database)
        @exporter.setExportDir(options[:dir])
      end
      def export(layer_name,options={})
        @layer_name = layer_name
        options[:path] ||= layer_name+'.shp'
        puts "Exporting #{layer_name} to #{options[:path]}"
        @exporter.exportLayer(layer_name, options[:path])
      end
      def format
        "ESRI Shapefile"
      end
      def to_s
        @layer_name || format
      end
    end

  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
neo4j-spatial-0.0.8-java	lib/neo4j/spatial/shp.rb
neo4j-spatial-0.0.7-java	lib/neo4j/spatial/shp.rb