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Contents
# Reader - fgdc to internal data structure
# unpack fgdc map projection - lambert equal area projection
# History:
# Stan Smith 2017-10-16 original script
require 'nokogiri'
require 'adiwg/mdtranslator/internal/internal_metadata_obj'
require_relative 'projection_common'
module ADIWG
module Mdtranslator
module Readers
module Fgdc
module LambertEqualAreaProjection
def self.unpack(xParams, hProjection, hResponseObj)
# map projection 4.1.2.1.8 (lamberta) - Lambert Azimuthal Equal Area
unless xParams.empty?
paramCount = 0
hProjection[:projection] = 'lambertEqualArea'
hProjection[:projectionName] = 'Lambert Azimuthal Equal Area'
# -> ReferenceSystemParameters.projection.longitudeOfProjectionCenter
paramCount += ProjectionCommon.unpackLongPC(xParams, hProjection, hResponseObj)
# -> ReferenceSystemParameters.projection.latitudeOfProjectionCenter
paramCount += ProjectionCommon.unpackLatPC(xParams, hProjection, hResponseObj)
# -> ReferenceSystemParameters.projection.falseEasting
# -> ReferenceSystemParameters.projection.falseNorthing
paramCount += ProjectionCommon.unpackFalseNE(xParams, hProjection, hResponseObj)
# verify parameter count
if paramCount == 4
return hProjection
else
hResponseObj[:readerExecutionMessages] << 'WARNING: Lambert Azimuthal Equal Area projection is missing one or more parameters'
end
end
return nil
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems