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Clinton County GIS Clinton County GIS ProgramProgram

Joseph MerrittJoseph MerrittClinton CountyClinton County

GIS ManagerGIS Manager

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Ohio Ohio County County

GIS GIS Activity Activity 19891989

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Ohio Ohio County County

GIS GIS ActivityActivity19991999

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Introduction to the CATALIS Introduction to the CATALIS ProjectProject

The CATALIS Project– Clinton County– Automated– Topographic– Aspatial– Land– Information– System

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The CATALIS ProjectThe CATALIS ProjectA consortium of members which include: – County engineers office– County engineers tax map office– County auditors office– Regional planning commission– Building and zoning department– City engineers office– Emergency management agency– Realtors association– Soil and water conservation district– Health department– County bar association

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The GIS Office of Clinton CountyThe GIS Office of Clinton County

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Information Currently AvailableInformation Currently AvailableDATA ON CD:

Aerial Photography.7 ½ min USGS Quad Maps.Satellite Imagery.Assorted GIS Data Layers.

Included on the CD is an easy-to-use Aerial Photo Viewer!

Stop buy your GIS Department Office and get a

Custom Map printed!

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Auditors Office Web PageAuditors Office Web Page

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Web Page Address:Web Page Address:Call Wanda Armstrong, County Auditor, for more information:

382-2250

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Example of Aerial PhotographyExample of Aerial Photography

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Other Examples of Printed MapsOther Examples of Printed Maps

Clinton CountySatellite Imagery

Voting Districts

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Where Does The Where Does The Data Come From?Data Come From?

Does Data Grow On Trees?

Witchcraft?

Sometimes it just takes Work

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Data Sources:Data Sources:Space Based:

•30 Meter Pixel Resolution

•Several Hundred Miles In Orbit

•Very Limited Use

Flight Lines of

the LandSAT Satellite

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Data Sources:Data Sources:

Conventional Photography

•Several Thousand Feet

•6 Inch or 2 Foot Pixel Resolution

•1 inch = 100 Feet Prints or

•1 inch = 200 Feet Prints

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Data Sources:Data Sources:Field Collection of Data

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FieldField--Collected Collected Address Address

InformationInformation

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ESRIESRI’’s s ArcPadArcPad&&

CompaqCompaq’’s s IPaqIPaq

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ArcPad ArcPad In ActionIn Action

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Parcel Conversion Happening Now!Parcel Conversion Happening Now!

FROM

TO

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What About the Future:What About the Future:LIDAR

Light Imaging Detection and Ranging

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Using an Airborne Laser to Using an Airborne Laser to ““MapMap””

Vegetation and Ground-Level Terrain

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LIDAR and PhotographyLIDAR and Photography

Trees On

Trees Off

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3 3 -- Dimensional ViewpointsDimensional Viewpoints

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3 3 -- Dimensional ViewpointsDimensional Viewpoints

Oblique with Vegetation

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3 3 -- Dimensional ViewpointsDimensional Viewpoints

Green = Vegetation, Black = Water, Orange = Ground

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Digital Terrain ModelingDigital Terrain Modeling

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Digital Terrain Modeling with Digital Terrain Modeling with Ortho PhotographyOrtho Photography

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Power Lines Section ProfilePower Lines Section Profile

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Laser Points over Power Lines SectionLaser Points over Power Lines Section

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Impressive StructureImpressive Structure

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ConclusionConclusionThe process of building a Geographic Information System can be daunting challenge. Being able to present just a little about what we are doing and where we are headed is a pleasure.

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Thanks For Your Time!Thanks For Your Time!

Joe Merritt

Clinton County GIS Manager

Wilmington, Ohio

382-0035