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Contents
# unpack polygon
# point is coded in GeoJSON
# Reader - ADIwg JSON V1 to internal data structure
# History:
# Stan Smith 2013-11-18 original script
# Stan Smith 2014-04-30 reorganized for json schema 0.3.0
# Stan Smith 2014-05-23 modified to handle MultiPolygon objects
# Stan Smith 2014-07-07 resolve require statements using Mdtranslator.reader_module
require ADIWG::Mdtranslator.reader_module('module_coordinates', $response[:readerVersionUsed])
module Adiwg_Polygon
def self.unpack(aCoords, geoType)
intMetadataClass = InternalMetadata.new
intGeometry = intMetadataClass.newGeometry
intGeometry[:geoType] = geoType
# polygon - coordinate(s)
if geoType == 'Polygon'
intGeometry[:geometry] = splitPolygons(aCoords)
intGeometry[:dimension] = Adiwg_Coordinates.getDimension(intGeometry[:geometry][:exteriorRing])
elsif geoType == 'MultiPolygon'
aPolySets = Array.new
aCoords.each do |aPolygonSet|
aPolySets << splitPolygons(aPolygonSet)
end
intGeometry[:geometry] = aPolySets
end
return intGeometry
end
def self.splitPolygons(aPolySet)
intMetadataClass = InternalMetadata.new
intPolygonSet = intMetadataClass.newPolygonSet
# first polygon in set is a bounding exterior ring
# all subsequent polygons are exclusion rings
i = 0
aPolySet.each do |aPolygon|
i += 1
if i == 1
intPolygonSet[:exteriorRing] = aPolygon
else
intPolygonSet[:exclusionRings] << aPolygon
end
end
return intPolygonSet
end
end
Version data entries
6 entries across 6 versions & 1 rubygems