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14 Lines and Polygons Mapping in the Cloud Peterson.

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Presentation on theme: "14 Lines and Polygons Mapping in the Cloud Peterson."— Presentation transcript:

1 14 Lines and Polygons Mapping in the Cloud Peterson

2 Simple Line

3

4 Flow Map

5 Flow Map Line

6 Great Circle

7 Geodesic = Great circle

8 From XML file

9

10 From JSON

11 From KML

12 KML Line

13 From Fusion Table

14 Fusion Table Line Segments

15 Contour Lines 60,000 coordinates

16 Lines from FusionTable 60,000 coordinat es

17 Click to Add Points

18

19 Cross-section

20

21 Visualization API function Q(a,b,c){if(a.addEventListener)a.addEventListener(b,c,j);else if(a.attachEvent)a.attachEvent("on"+b,c);else{var e=a["on"+b];if(e!=h)var f=[c,e],c=function(){for(var a=0;a<f[x];a++)f[a]()};a["on"+b]=c}}var P=[];google[A].O=function(){var a=l.event.srcElement;"complete"==a.readyState&&(a.onreadystatech ange=h,a.parentNode.removeChild(a),R())};L("google.loader.domRead y",google[A].O);var aa={loaded:g,complete:g};function T(){aa[m.readyState]?R():0<P[x]&&l[z](T,10)} function R(){for(var a=0;a<P[x];a++)P[a]();P.length=0}google[A].d=function(a,b,c){if(c){var e;"script"==a?(e=m.createElement("script"),e.type="text/javascript",e.src=b) Compact JavaScript that is essentially indecipherable

22 Scale Dependence in Encoded Polylines

23 Encoding

24 Polygon

25

26 From XML file

27

28 Donut Polygon

29

30 Donut Polygon from KML

31

32 Line Coordinate Thinning

33 Topology and Generalization

34 File Conversion

35 Formatting for XML file

36 From KML file

37

38 Google Map Error

39 Choropleth Map

40 Opacity-based Choropleth Map

41 Computing Opacities

42 Fusion Table Gradient

43 Fusion Table buckets (classes)

44 Fusion Table Gradient Map

45 Fusion Table Classed Map

46

47 Heat Map

48 Heat map display set in Fusion Table

49 Shaded Isoline (Isotherms)

50 Two different scales

51 function initialize() { var brazil = new google.maps.LatLng(-18.771115, -42.758789); map = new google.maps.Map(document.getElementById('map_canvas'), { center: brazil, zoom: 4, mapTypeId: 'roadmap' }); // Table 136705 has beaches along Brazil's coastline // View this table in a webpage: http://tables.googlelabs.com/DataSource?dsrcid=136705 layer = new google.maps.FusionTablesLayer(136705, { heatmap: true


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