Talk given at GIS In The Rockies in September 2008, this talk reviews some work we did using Virtual Earth to visualize fire risk data.

1. Visualizing
Fire Risk
Virtual
in
Earth
Dave Bouwman / GIS In the Rockies 2008

2. who is
this
guy

4. Fort Collins ArcDeveloper Group
Fort Collins Alt.NET Group

5. ~
minutes

6. slides

7. live
demo

10. Surface Fuels
FBPS 1 - Short grass (1 ft.)
FBPS 2 - Timber (grass and understory)
FBPS 3 - Tall grass (2.5 ft.)
FBPS 4 - Chaparral
FBPS 5 - Brush
FBPS 6 - Dormant brush, hardwood slash
FBPS 7 - Southern rough
FBPS 8 - Closed timber litter
FBPS 9 - Hardwood (long-needle pine) litter
FBPS 10 - Timber (litter and understory)
FBPS 11 - Light slash
FBPS 12 - Medium slash
FBPS 96 - Urban
FBPS 97 - Non-burnable agriculture
FBPS 98 - Water
FBPS 99 - Non-burnable, barren
10

11. Fire Occurrence Areas
Fires per 1000 acres per year
Non-Burnable
0 - 0.024
0.025 - 0.049
0.050 - 0.099
0.100 - 0.199
0.200 - 0.290
0.291 - 0.399
0.400 - 0.599
0.600 - 0.999
1.000 - 1,000
11

13. Wildfire Threat
Non-Burnable
Low
Moderate
High
13

16. spatial data
in ArcSDE

18. ArcGIS
Server
Integration

20. users
non-technical
want

21. relevant
answers

26. these users
understand

30. “Tools”

31. “Tasks?”

32. “Intuitive?”

33. right
tools

38. how

39. 9.3
ArcGIS
Server

40. options

41. “baked in”
tile caching

44. ArcGIS Javascript
Extension for
Virtual Earth

45. only supports
“fused” caches

49. pre-cache

50. on
the
fly

51. “other”
tile caching

52. tile layer in virtual earth

53. Virtual Earth API

54. VETileLayer

55. quadkey parsing

57. sample
code

58. Tile Server*
• Opensource
• Plug-in model
• ArcGIS Server
• ArcIMS
• Any WMS Server
*2nd Prize in ESRI’s 2008
ArcGIS Server Code Challenge

59. TileService Map Server
Layer1
Layer2
Layer3
Layer4
Layer5

60. TileService Map Server
Layer1
Layer2
Layer3
Layer4
Layer5

61. why wms

62. ?Layers=…

65. Spatial =
Slow(er)

66. tables = FAST

67. stored procedure
Select * from FIREPOINTS where
POINT_X > LONMIN and
POINT_X < LONMAX and
POINT_Y > LATMIN and
POINT_Y < LATMAX

69. Clustering

71. javascript script service (asmx)
bbox
GetPoints GetPoints
Cluster
Json
{
quot;ClusteredPointLocationIdsquot;:[3,5,31],
quot;PointLocationIdquot;:3,
quot;IsClusteredquot;:true,
quot; MarkerClassquot;:firepin,
Locationquot;:{quot;Latquot;:-2.15,quot;Lonquot;:-80.53}
}

82. geogeeks

85. simple tools
complex questions

88. Questions