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

who is
this
guy

Fort Collins ArcDeveloper Group
Fort Collins Alt.NET Group

~
minutes

slides

live
demo

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

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

Wildfire Threat
Non-Burnable
Low
Moderate
High
13

spatial data
in ArcSDE

ArcGIS
Server
Integration

users
non-technical
want

relevant
answers

these users
understand

“Tools”

“Tasks?”

“Intuitive?”

right
tools

how

9.3
ArcGIS
Server

options

“baked in”
tile caching

ArcGIS Javascript
Extension for
Virtual Earth

only supports
“fused” caches

pre-cache

on
the
fly

“other”
tile caching

tile layer in virtual earth

Virtual Earth API

VETileLayer

quadkey parsing

sample
code

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

TileService Map Server
Layer1
Layer2
Layer3
Layer4
Layer5

TileService Map Server
Layer1
Layer2
Layer3
Layer4
Layer5

why wms

?Layers=…

Spatial =
Slow(er)

tables = FAST

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

Clustering

javascript script service (asmx)
bbox
GetPoints GetPoints
Cluster
Json
{
\"ClusteredPointLocationIds\":[3,5,31],
\"PointLocationId\":3,
\"IsClustered\":true,
\" MarkerClass\":firepin,
Location\":{\"Lat\":-2.15,\"Lon\":-80.53}
}

geogeeks

simple tools
complex questions

Questions