How Manatee County Serves Digital Aerial Imagery

Genie Hays Terry RyanRegional Manager Federal Manager

Overview

• Manatee County Overview• Problem: Imagery Distribution & Management

• Amount of Imagery• Cost of storage/distribution • Time spent on installation/management• Lower Budgets

• Solution: • Q&A

Manatee County, Florida

Hardware & Workflow Dilemmas

• Amount of Imagery

• 1.3 to 5TB’s of Raw Data.

• No server space for the imagery (pyramids, caching, etc.). More than 80% unavailable.

• wanted to deliver full investment of data for 2003, 2007-2012, with 5 more years projected in the pipeline.

Hardware & Workflow Dilemmas

• Cost of Storage/Distribution

• Server space for imagery alone an estimated $30,000+ and were still unable to deliver their full repository of data.

• $250,000 - $300,00 increase in Server investment and licenses to deliver full repository.

• Not able to deliver data to 3rd party applications: AutoCAD, Microstation, ERDAS, Flash, etc.

Hardware & Workflow Dilemmas

• Time Spent on Installation/Management • Took 3 weeks for each County year to load (2003,2007-12).• Took months to load all data, with no guarantee when loaded

it would work.

• With current setup, they could only deliver ONE year data online.

• Lower Budgets• 10% decrease in the Property Appraisers budget for 2012.

147 Days to load imagery into other storage solutions.

Solution

• Store compressed imagery as MrSID/Jpeg2000 files.• Visually lossless with a 20:1 compression ratio.

• Kept imagery in a FLAT FILE system.

• Delivery service to ESRI products and other 3rd party applications via open source OGC WMS (Web Mapping Service).

• Used LizardTech’s Express Server to accomplish cost savings and delivery needs.

Solution Benefits

• Gained 1:20 reduction of cost to Server space.• Estimated savings to licenses & storage cost, $30,000-$50,000.• Can delivery 5X’s the amount of imagery. • Allows growth at a much smaller cost• All 3rd Party applications can read streaming of Imagery, Plug

& Play• Installation and setup was cut down to ONE DAY, saving weeks

of staff time.• Saved $$$$

Manatee County Web Image Service

WMS: http://www.mymanatee.org/lizardtech/iserv/ows?

Property Appraiser Site:http://www.mymanatee.org/gisapps/mapviewer/index.jsp?type=propertyappraiser

Aerial Download Tool:http://www.mymanatee.org/gisapps/mapviewer/index.jsp?type=aerialdownload