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Contents
# frozen_string_literal: true
module Satellite
module Landsat8
class CoordinateConverterService
include HTTParty
base_uri 'https://landsatlook.usgs.gov/arcgis/rest/services/LLook_Outlines/MapServer/1'
attr_accessor :lat, :lon
def initialize(lat, lon)
self.lat = lat
self.lon = lon
end
def convert
response = self.class.get('/query', {
query: {
where: "MODE='D'",
geometry: "#{lon}, #{lat}",
geometryType: 'esriGeometryPoint',
spatialRel: 'esriSpatialRelIntersects',
outFields: '*',
returnGeometry: false,
returnTrueCurves: false,
returnIdsOnly: false,
returnCountOnly: false,
returnZ: false,
returnM: false,
returnDistinctValues: false,
f: 'json'
}.to_param
})
result = JSON.parse(response).dig('features', 0, 'attributes')
"#{result['PATH'].to_s.rjust(3, '0')}#{result['ROW'].to_s.rjust(3, '0')}"
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems