Sha256: 7416bbd65f5417ca387b679e819a8f5e3f6297520e33a5e61b124087db81a192
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Size: 1.01 KB
Versions: 8
Compression:
Stored size: 1.01 KB
Contents
# frozen_string_literal: true
require 'zip'
class Map::Gdal::PolygonizeService
include Map::Gdal::Base
def initialize(tif_path)
@tif_path = tif_path
end
def call(options = {})
if options[:kml]
@tif_path = Map::Gdal::CropService.new(@tif_path).call(reference: IO.binread(options[:kml]))
add_to_clean(@tif_path)
end
file_id = "#{Time.current.to_i}-#{(rand * 1_000).to_i}"
destination_shp = get_path_to_temp_file('shapefile', 'shp', file_id)
zip_file = get_path_to_temp_file('shapefile', 'zip', file_id)
run_command(%{gdal_polygonize.py #{@tif_path} -f "ESRI Shapefile" #{destination_shp}})
Zip::File.open(zip_file, Zip::File::CREATE) do |zip|
%w(dbf prj shp shx).each do |extension|
file_name = "shapefile-#{file_id}.#{extension}"
file_with_path = get_path_to_temp_file('shapefile', extension, file_id)
zip.add(file_name, file_with_path)
add_to_clean(file_with_path)
end
end
add_to_clean(zip_file)
zip_file
end
end
Version data entries
8 entries across 8 versions & 1 rubygems