Module: Adiwg_Polygon

Defined in:
lib/adiwg/mdtranslator/readers/adiwgJson/modules_0.9.0/module_polygon.rb

Class Method Summary collapse

Class Method Details

.splitPolygons(aPolySet) ⇒ Object 



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# File 'lib/adiwg/mdtranslator/readers/adiwgJson/modules_0.9.0/module_polygon.rb', line 35

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

.unpack(aCoords, geoType) ⇒ Object 



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# File 'lib/adiwg/mdtranslator/readers/adiwgJson/modules_0.9.0/module_polygon.rb', line 15

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