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Contents
# Reader - fgdc to internal data structure
# unpack fgdc map projection - albers
# History:
# Stan Smith 2017-10-04 original script
require 'nokogiri'
require 'adiwg/mdtranslator/internal/internal_metadata_obj'
require_relative 'projection_common'
module ADIWG
module Mdtranslator
module Readers
module Fgdc
module AlbersProjection
def self.unpack(xParams, hProjection, hResponseObj)
# map projection 4.1.2.1.2 (albers) - Albers Conical Equal Area
unless xParams.empty?
paramCount = 0
hProjection[:projectionName] = 'albers'
# -> ReferenceSystemParameters.projection.standardParallel1
# -> ReferenceSystemParameters.projection.standardParallel2
paramCount += ProjectionCommon.unpackStandParallel(xParams, hProjection, hResponseObj)
# -> ReferenceSystemParameters.projection.longitudeOfCentralMeridian
paramCount += ProjectionCommon.unpackLongCM(xParams, hProjection, hResponseObj)
# -> ReferenceSystemParameters.projection.latitudeOfProjectionOrigin
paramCount += ProjectionCommon.unpackLatPO(xParams, hProjection, hResponseObj)
# -> ReferenceSystemParameters.projection.falseEasting
# -> ReferenceSystemParameters.projection.falseNorthing
paramCount += ProjectionCommon.unpackFalseNE(xParams, hProjection, hResponseObj)
# verify parameter count
if paramCount == 6
return hProjection
else
hResponseObj[:readerExecutionMessages] << 'albers projection is missing one or more parameters'
return nil
end
end
return nil
end
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems