GIS/LIS Fall Conference - Thursday, October 14th, 2010

Duluth, MN

Sarah Schrader – Goodhue County GIS Specialist

Three Cases for Using the ArcGISServer Out-of-the-Box Technology

•Small Government Enterprise Licensing Agreement (ELA)•Server Enterprise – Advanced 9.3.1 and 10.0

•Needed quick distribution of specific GIS data and tools.

•Minimal GIS staff time available.

•All applications created using the ESRI ArcGIS Server ‘out-of-the-box’ technology.

BACKGROUND

OVERVIEW

•Three of Goodhue County’s GIS web applications:•DFIRM app - Static Data •Historic Places app - Data Periodically Updated •Dispatch app - Data Constantly Updated

•Each site created differently depending on its use.

•Each works well for what is needed.

DFIRM Web Application

DFIRM WEB APPLICATION

Purpose: •Inform land owners of changes in FEMA DFIRM maps.

•Provide information prior to an upcoming public meeting.

•Decrease the number of phone calls to county staff.

•Needed only for a short time.

•ArcGIS Server 9.3.1 – Public application.

•Scale dependent labels and viewing for all data layers.

•Cached Map Service - “All-in-one” Fused Cache. (10 levels)•JPEG, 75% compression, 512X512, 96 dpi

•Most data stored in SDE databases with SQL Server. (Static)

•Legend viewable in application.

•Tasks: Search by Property ID Number (PIN), Print Map

SITE SETUP

“ALL-IN-ONE” CACHE

Imagery Base MapOperational

Layers

10 Cache Levels: 1k, 2k, 4k, 8k, 16k, 32k, 64k, 128k, 256k, 625k

PROS & CONS

Pros:•Fast Setup•No programming needed•The cached service runs very quickly

•Worked well for application with static data.

Cons:•Would like a more user-friendly ‘zoom-to-feature’.•“All-in-one” Fused cache takes a long to create or update.

Historic Places Web

Application

HISTORIC PLACES WEB APPLICATION

Purpose: •Protect Historic Features in Goodhue County.

•Support Land Use Management decisions.

•Provide information to both county staff and the public.

•ArcGIS Server 9.3.1 - Public application.

•Cached Map Service - “All-in-one” Fused Cache. (10 levels)•JPEG, 90% compression, 512X512, 150 dpi

•Grouped layers in .mxd for each cache level.

SITE SETUP

•Most data part of SDE databases in SQL Server. (Periodic Updates)

•Legend not viewable in application.

•Used both polygons and centroid points to symbolize features.

•Tasks: Print Map, Go to Municipality, Go to Twp/Range, Find National Registry feature, Find Local historic feature, Find Cemetery

SITE SETUP

•Hyperlink for each feature to PDF informational document.

SITE SETUP

•Hyperlink for each feature to PDF informational document.

SITE SETUP

SITE SETUP

•Customize which map elements will be visible in application.

•Some customization available regarding site title, background theme, and web links.

http://maps.co.goodhue.mn.us/NRHPPYpub

LIVE DEMO

PROS/CONSPros:•Fast Setup.•No programming needed.•Fused cache service runs very quickly.•Easy hyperlink option for additional information.

Cons:•Would like a more user-friendly ‘zoom-to-feature’ tool.•Would like to customize the tool interface.•“All-in-one” Fused cache takes a long to create/update.

911 DispatchWeb Application

DISPATCH WEB APPLICATION

Purpose:

•Provide GIS tools to county 911 Dispatchers during the 2010 September flood events.

•Allow dispatchers to easily and quickly add/edit features.

•Common operating picture for all staff.

EXISTING TOOLS TO MAP FLOODING

SITE SETUP•ArcGIS Server 9.3.1

•Public application.

•Dynamic Map Service.

•All data part of SDE databases in SQL Server.

•Editable layers in separate SDE database.

•Tasks: Print Map, Editor

LIVE DEMO

PROS/CONS

Pros:•Fast Setup.•No programming needed.•EASY editing capabilities for non-GIS users.

Cons:•Would like user-friendly ‘zoom-to-feature’ option.•Would like ability to draw lines or polygons ‘free hand’.•Current site does not have secure access.

SUMMARY

•Three different web applications created using OOTB.

•Different caching options work well depending on the individual project and the purpose of the application.

•Has worked well for our needs.•Fast to setup and make tools/data available.•Can go back later to customize or improve.

WHAT’S NEXT?

•Recently upgraded to ESRI ArcGIS Server 10.0.

•Apply higher security to Dispatch applications.

•Recreate the Historic Places web application to use separate cached services.

•Crime mapping web application – public and internal.

•Customize existing web applications with Microsoft Silverlight.

Thank You!

sarah.schrader@co.goodhue.mn.us651-385-3193