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IMAGE SERVICES WHAT ARE THEY AND HOW DO YOU USE THEM?

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Presentation on theme: "IMAGE SERVICES WHAT ARE THEY AND HOW DO YOU USE THEM?"— Presentation transcript:

1 IMAGE SERVICES WHAT ARE THEY AND HOW DO YOU USE THEM?

2 IMAGE SERVICES A way to share raster and image data using ArcGIS Server An image service provides access to raster data (imagery, LiDAR) through a web service Clients can access these services via desktop, web browser, or mobile applications and browsers What can be published as an image server? Mosaic dataset - geodb used to manage a collection of raster datasets (images) stored as a catalog and viewed as a mosaicked image Mosaic layer Raster dataset – such as TIFF, JPEG 2000, Esri Grid, and MrSid Raster layer LiDAR data

3 IMAGE SERVICES Who should uses image services and WHY? Anyone can use them! Quick easy access to large amounts of data Eliminates need to download or store raw imagery

4 DASC IMAGE SERVICES FSA NAIP Imagery Natural color , 2004, 2005 Natural color & CIR , 2008, 2010, 2012 Statewide Imagery 2002 B&W Local Government Imagery Digital Raster Graphics LiDAR Hillshade More coming soon!

5 ACCESSING DASC IMAGE SERVICES Click here!

6 ACCESSING DASC IMAGE SERVICES

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9 Layer files – contains pointer to the location of the data Eliminates need to connect via GIS Services

10 ARCGIS SERVICES DIRECTORY List of available ArcGIS web services

11 ARCGIS ONLINE Image services can also be shared using ArcGIS Online

12 IMAGE SERVICE CACHING Improves the performance of image draw time, create the fastest possible service containing image data Caching – the server pregenerates tiles at different scale levels, which can be pushed out faster than processing the input from the mosaic dataset or the raster dataset each time a request is made from ArcGIS for Server An image service cache is not serving imagery that is processed on the flyit is preprocessing the imagery to create the cached tiles, then serving the cached tiles

13 IMAGE SERVICE CACHING


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