Class: Polygon

Inherits:
Object
  • Object
show all
Defined in:
lib/adiwg/mdtranslator/writers/iso19115_2/classes/class_polygon.rb

Instance Method Summary collapse

Constructor Details

#initialize(xml) ⇒ Polygon

Returns a new instance of Polygon.



13
14
15
 
# File 'lib/adiwg/mdtranslator/writers/iso19115_2/classes/class_polygon.rb', line 13

def initialize(xml)
	@xml = xml
end

Instance Method Details

#writeXML(hGeoElement) ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
 
# File 'lib/adiwg/mdtranslator/writers/iso19115_2/classes/class_polygon.rb', line 17

def writeXML(hGeoElement)

	# gml:Polygon attributes
	attributes = {}

	# gml:Polygon attributes - gml:id - required
	lineID = hGeoElement[:elementId]
	if lineID.nil?
		$idCount = $idCount.succ
		lineID = 'polygon' + $idCount
	end
	attributes['gml:id'] = lineID

	# gml:Polygon attributes - srsDimension
	s = hGeoElement[:elementGeometry][:dimension]
	if !s.nil?
		attributes[:srsDimension] = s
	end

	# gml:Polygon attributes - srsName
	s = hGeoElement[:elementSrs][:srsName]
	if !s.nil?
		attributes[:srsName] = s
	end

	@xml.tag!('gml:Polygon',attributes) do

		# polygon - description
		s = hGeoElement[:elementDescription]
		if !s.nil?
			@xml.tag!('gml:description',s)
		elsif $showAllTags
			@xml.tag!('gml:description')
		end

		# polygon - name
		s = hGeoElement[:elementName]
		if !s.nil?
			@xml.tag!('gml:name',s)
		elsif $showAllTags
			@xml.tag!('gml:name')
		end


		# polygon - exterior ring
		# convert coordinate string from geoJSON to gml
		aCoords = hGeoElement[:elementGeometry][:geometry][:exteriorRing]
		if !aCoords.empty?
			s = Adiwg_Coordinates.unpack(aCoords)
			@xml.tag!('gml:exterior') do
				@xml.tag!('gml:LinearRing') do
					@xml.tag!('gml:coordinates',s)
				end
			end
		else
			@xml.tag!('gml:exterior')
		end

		# polygon - interior ring
		# convert coordinate string from geoJSON to gml
		# XSDs do not all gml:interior to be displayed empty
		aRings = hGeoElement[:elementGeometry][:geometry][:exclusionRings]
		unless aRings.empty?
			aRings.each do |aRing|
				s = Adiwg_Coordinates.unpack(aRing)
				@xml.tag!('gml:interior') do
					@xml.tag!('gml:LinearRing') do
						@xml.tag!('gml:coordinates', s)
					end
				end
			end
		end

	end

end