Share your source raster within an image service – Part 1

Image services are a great way to allow others to use your service layers within their GIS projects. Did you know you can actually allow users to download your source files? By default, this option already enabled when you publish a mosaic dataset.

Check if you are allowing users to download the source data
(Perform the following with an ArcGIS Server that you have administrative rights for)

1. In the Catalog window, right-click on an image service, and choose Service Properties
   
2. Click on the Capabilities tab
3. Under the Operations Allowed, check to see if Download is checked on
   

Change the Download Capability if it is not checked on yet
(Perform the following with an ArcGIS Server that you have administrative rights for)

1. In the Catalog window, right-click on the image service, and click Stop
2. Right-click on an image service, and choose Service Properties
3. Click on the Capabilities tab
4. Under the Operations Allowed, make sure that the Download check box is checked on
5. Click OK
6. Right-click on the image service, and click Start

The default number of files a user is able to download per request on the mosaic dataset is 20 by default. If you want to change the limit, you need to edit the Maximum number of items downloadable per request property.
Edit the number of rasters that can be downloaded per request (for mosaic datasets)
(Perform the following with an ArcGIS Server that you have administrative rights for)

1. In the Catalog window, right-click on the image service, and click Stop
2. Right-click on an image service, and choose Service Properties
3. Click on the Parameters tab
4. Click on the Download button
5. Edit the value in the “Maximum number of items downloadable per request”. Remember this value must be lower than the limit set on the mosaic dataset itself. Setting the value to 0 means that the user cannot download any files.
   
6. Click OK
7. Right-click on the image service, and click Start