Class: SpatialFeatures::Importers::Shapefile

Inherits:
Base
  • Object
show all
Defined in:
lib/spatial_features/importers/shapefile.rb

Constant Summary collapse

FEATURE_TYPE_FOR_DIMENSION = 
{ 0 => 'point', 1 => 'line', 2 => 'polygon' }.freeze
PROJ4_4326 = 
'+proj=longlat +datum=WGS84 +no_defs'.freeze

Instance Attribute Summary

Attributes inherited from Base

#errors, #source_identifier

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#features

Constructor Details

#initialize(data, proj4: nil, **options) ⇒ Shapefile

Returns a new instance of Shapefile.



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# File 'lib/spatial_features/importers/shapefile.rb', line 12

def initialize(data, proj4: nil, **options)
  super(data, **options)
  @proj4 = proj4
end

Class Method Details

.create_all(data, **options) ⇒ Object 



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# File 'lib/spatial_features/importers/shapefile.rb', line 21

def self.create_all(data, **options)
  Download.open_each(data, unzip: [/\.shp$/], downcase: true).map do |file|
    new(file, **options)
  end
rescue Unzip::PathNotFound
  raise ImportError, INVALID_ARCHIVE
end

Instance Method Details

#cache_key ⇒ Object 



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# File 'lib/spatial_features/importers/shapefile.rb', line 17

def cache_key
  @cache_key ||= Digest::MD5.file(archive).to_s
end