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- GIS is the hardware, software, and methods that allow people to create,
store, analyze, output, and distribute spatial information.
- And...
- A GIS is a spatial data management tool made up of “intelligent”
computer maps linked to databases that describe the map features.
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- Create/input data
- Modify data
- Store data
- Analyze data
- Output information
- Distribute data and information
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- As one of the earliest recorded uses of GIS techniques, in what decade
did Dr. John Snow analyze geographic data to determine the source of an
epidemic?
- -70’s
- -60’s
- -50’s
- -40’s
- -30’s
- -20’s
- -10’s
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- Dr. John Snow analyzed geographic data to identify the source of a
city-wide cholera epidemic.
- -70’s
- -60’s
- -50’s
- -40’s
- -30’s
- -20’s
- -10’s
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- Basemap
- “Your data”
- Analysis Methods and Tools
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- Definition:
- A digital (electronic) aerial photograph that has been modified to
remove artifacts from the camera & airplane and adjusted to fit the
ground surface.
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- Point data
- Anything that can be pin pointed on a map i.e. customers, community
assets, REALTOR.® listings, etc.
- Aggregated data
- Point data can be aggregated by any geography i.e. census block, city
boundary, MIBOR Service Area, etc.
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- People can find target data with database queries such as “greater
than”, “less than”, “sounds like”, “before”, etc.
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- Allows you to ask questions about how data relate to other data.
- What is the average distance of settlements from navigable rivers?
- What is the population density inside a boundary?
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- Local Examples of GIS Usage
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- MIBOR MLS contains most detailed local data for Central Indiana. Can this assimilation of information
be leveraged?
- What data in addition to what you have seen are key for economic
development?
- What applications in addition to what you have seen are key for economic
development?
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- Quickly Find Addresses
- Interface with your 911 or CAD
- Locate wireless callers
- Determine responding agency
- Longitude/Latitude coordinates
- Background aerial photography
- Find anything
- GPS Interface
- Automatic Vehicle Locating (AVL)
- Automatic Popup map in vehicle
- Fire Hydrants
- Secure
- Pre-planning
- Tactical Mapping
- Pin Mapping
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- DMA 2000 requires every county in US to create a plan
- FEMA has developed HAZUS-MH (Disaster Modeling Tool)
- Polis has worked with half of Indiana’s Counties to develop their plans.
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- “The best model gives you an understanding of what you want to find out”
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- http://www6.indygov.org/gis/
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