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GISFew Key Things to Consider
Jamie Rae Walker, Assistant Professor and Extension Specialist Texas AgriLife Extension, Texas A&M University System
NEDS 2010
Introduction • What is GIS?• Is it a spatial problem or just a map?
• Can you “order” analysis?
• Can you link your data to another community?
http://gisturk.wordpress.com
• Allows up to look at layers of spatial data and attribute data at the same time
What is it?
• What spatial problems have we used GIS for in Parks and Recreation?– Locations– Attributes / Inventory– Access/ Equity– Maintenance Management
GIS and Parks
• Parks• Trails• Residents• Schools
Common Approaches‐ Locations
Common Approaches‐ Attributes / Inventory
• Developed/ Undeveloped
• Trails• Pool / No Pool
Common Approaches‐ Equity and Access
Common Approaches‐Maintenance Management
http://207.34.170.105/help/images/image003.jpg
Respondent by Nearest
Park
Is it a spatial problem or just a map?
Is it a spatial problem or just a map?
Is it a spatial problem or just a map?
• Representative for your spatial problem
– Proximity to Park– Within Park Zone– City Council District
City Parcel Data Study Sample Park Users ProportionDistance From Park N % N % N % User: Sample
Within 1/4 mile 7390 43.55% 197 43.01% 128 48.48% 0.651/4 ‐ 1/2 mile 7467 44.00% 206 44.98% 113 42.80% 0.551/2 ‐ 3/4 mile 1311 7.73% 38 8.30% 18 6.82% 0.473/4 ‐ 1 mile 598 3.52% 15 3.28% 4 1.52% 0.27
Beyond 1 mile 204 1.20% 2 0.44% 1 0.38% 0.50
Total16970 100.00% 458 100.00% 264 100.00%
Is it a spatial problem or just a map?
Speed Limits and Parks
Basic – Symbology of Attribute
Data by Districts, Regions, …
• Park Districts/ Regions• School Districts• City Council Districts
Basic – Symbology of Attribute(s)
Buffers, Within Distance, Overlap
Basic – Location Analysis or Comparison
Advanced ‐‐Network Distances
DiscussionCan You “Order” a Map?
Discussion
Is it a spatial problem?
Can you think of three spatial problems important to your
agencies?
Can link you data to other communities?
Limitations and Issues to Address• Coordinates• Data capture• Units• Data coding• Data order/ organization
Discussion
NRPA Standards