ISSUE-22: How should we represent polygons?

polygon-encoding

How should we represent polygons?

State:
RAISED
Product:
Core FPWD
Raised by:
Raj Singh
Opened on:
2011-05-11
Description:
[[
CHANGE:
<area>
<point order="0" latitude="42.360890561289295" longitude="-71.09139204025269"/>
<point order="1" latitude="42.361176" longitude="-71.09018"/>
<point order="2" latitude="42.36272976137689" longitude="-71.09049081802368"/>
<point order="3" latitude="42.36318955298668" longitude="-71.09677791595459"/>
<point order="4" latitude="42.363617631805496" longitude="-71.10156297683716"/>
<point order="5" latitude="42.360890561289295" longitude="-71.09139204025269"/>
</area>

TO:
<gml:Polygon>
<gml:exterior><gml:LinearRing>
42.360890561289295 -71.09139204025269 42.361176 -71.09018 42.36272976137689 -71.09049081802368 ...
</gml:LinearRing></gml:exterior>
</gml:Polygon>
]]
Related Actions Items:
No related actions
Related emails:
  1. Minutes 16 June 2011 POIWG Teleconference (from mdw@w3.org on 2011-06-16)
  2. can we decide on geography representation this week? (from rsingh@opengeospatial.org on 2011-06-06)
  3. RE: Agenda May 19, 2011 (from karl.seiler@navteq.com on 2011-05-19)
  4. Re: Agenda May 19, 2011 (from cperey@perey.com on 2011-05-18)
  5. Agenda May 19, 2011 (from Andrew.Braun@sonyericsson.com on 2011-05-18)
  6. Minutes POI Teleconference 12 May 2011 (from mdw@w3.org on 2011-05-12)
  7. ISSUE-22 (polygon-encoding): How should we represent polygons? [Core FPWD] (from sysbot+tracker@w3.org on 2011-05-11)

Related notes:

in discussion on June 2, we decided to drop namespaces and reference XML schema adopted from other places in the specification narrative -- not through formal XML schema methods. This changes the polygon syntax to:
<Polygon>
<exterior>
<LinearRing>42.360890561289295 -71.09139204025269
42.361176 -71.09018 42.36272976137689 -71.09049081802368 ...
</LinearRing>
</exterior>
</Polygon>

Raj Singh, 6 Jun 2011, 15:02:56

Here is a KML polygon:
<Polygon>
<outerBoundaryIs>
<LinearRing>
<coordinates> -122.0848938459612,37.42257124044786,17
-122.0849580979198,37.42211922626856,17
-122.0847469573047,37.42207183952619,17
-122.0845725380962,37.42209006729676,17
-122.0845954886723,37.42215932700895,17
-122.0838521118269,37.42227278564371,17
-122.083792243335,37.42203539112084,17
-122.0835076656616,37.42209006957106,17
-122.0834709464152,37.42200987395161,17
-122.0831221085748,37.4221046494946,17
-122.0829247374572,37.42226503990386,17
-122.0829339169385,37.42231242843094,17
-122.0833837359737,37.42225046087618,17
-122.0833607854248,37.42234159228745,17
-122.0834204551642,37.42237075460644,17
-122.083659133885,37.42251292011001,17
-122.0839758438952,37.42265873093781,17
-122.0842374743331,37.42265143972521,17
-122.0845036949503,37.4226514386435,17
-122.0848020460801,37.42261133916315,17
-122.0847882750515,37.42256395055121,17
-122.0848938459612,37.42257124044786,17 </coordinates>
</LinearRing>
</outerBoundaryIs>
</Polygon>

Raj Singh, 16 Jun 2011, 14:30:47

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