How the City and County of Denver  Serves Digital Aerial ImageryPaul A. Tessar, DenverGIS Data Administrator           Gen...
Presentation Overview• LizardTech Background• DenverGIS Background• DenverGIS Imagery Services Compatibility  – Legacy app...
The Problem…• Serving Images as SDE Rasters consumed too  many resources: Disk space, HW & licenses.• The 2010-3” aerial i...
DenverGIS Imagery Services Compatibility           ArcGIS                        ArcGIS   JPEG 2000                 Lizard...
Use Imagery with ArcMap
Use Imagery with AutoCAD
Use Imagery with ArcExplorer
Use Imagery with ArcIMS• Simple configuration setting in ArcIMS.   File System         Express Server   ArcIMS   ArcIMS Ap...
The Solution…• 2 Express Server licenses  – Production License: installed on primary server  – Development License: instal...
FinisPaul Tessar720-913-4882Paul.Tessar@denvergov.orgTwitter: @paultessarGenie Hays206-902-2811ghays@lizardtech.comTwitter...
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2012 Vendor Track, How City and County of Denver Serves GIS Data, Genie Hays,and Paul Tessar

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After 15 over flights of the Denver Metro area, DenverGIS now has more than 1000 layers of JPEG 2000 imagery from DRCOG (Denver Regional Council of Governments). When an attempt to create a 3500 GB mosaic in SDE failed, our team was faced with the need to budget for more storage space. A
further complicating factor was the need to replace a soon-to-be retired ArcIMS license. With space and speed being the primary issues, we began evaluating LizardTech’s Express Server.

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2012 Vendor Track, How City and County of Denver Serves GIS Data, Genie Hays,and Paul Tessar

  1. 1. How the City and County of Denver Serves Digital Aerial ImageryPaul A. Tessar, DenverGIS Data Administrator Genie Hays, LizardTech
  2. 2. Presentation Overview• LizardTech Background• DenverGIS Background• DenverGIS Imagery Services Compatibility – Legacy approach was using SDE Raster mosaics – Implemented ArcGIS Server Image Services in 2011 – ArcIMS was only app that could not use AGS/IS.• Conclusions
  3. 3. The Problem…• Serving Images as SDE Rasters consumed too many resources: Disk space, HW & licenses.• The 2010-3” aerial imagery was too large to load into an SDE Raster Image.• ArcGIS Server Image Server resolved these issues for all client apps but ArcIMS.• We had no choice but to retain SDE for ArcIMS image service and were unable to include the latest 2010 imagery. A real problem…• We were in a pickle…
  4. 4. DenverGIS Imagery Services Compatibility ArcGIS ArcGIS JPEG 2000 LizardTech Server MosaicPlatform Server Tiles & Express Image Datasets WMS Mosaics Server* ServiceArcMap Yes Yes Yes Yes Yes 10+ ArcGIS Yes Yes Yes^ No YesExplorerAutoCAD No Yes No No Yes ArcIMS No No No No Yes ^: JPEG2000 Mosaics Only *: Via WMS/WFS
  5. 5. Use Imagery with ArcMap
  6. 6. Use Imagery with AutoCAD
  7. 7. Use Imagery with ArcExplorer
  8. 8. Use Imagery with ArcIMS• Simple configuration setting in ArcIMS. File System Express Server ArcIMS ArcIMS App (Tiles/ Mosaics)
  9. 9. The Solution…• 2 Express Server licenses – Production License: installed on primary server – Development License: installed on backup server• Cost avoidance – Two 4 CPU Oracle Windows licenses $260,792 (Discounted) – 1TB disk storage $40,000 (Estimated) – Two dedicated Windows Servers $40,000 (Estimated) – Total Costs Avoided $340,792 – Express Server License $8,000 Retail – ROI - one-time 43:1, recurring 29:1• Legacy support – ArcIMS worked fine with Express Server and 2010 imagery was available.• Speedy imagery delivery with greatly reduced costs.
  10. 10. FinisPaul Tessar720-913-4882Paul.Tessar@denvergov.orgTwitter: @paultessarGenie Hays206-902-2811ghays@lizardtech.comTwitter: @lizardtech

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