Editing the NoData value using the Edit Raster Properties Wizard

步骤：

1. If you do not have an existing image service, create a new service and add your raster data.

   If you use the New Image Service Wizard, uncheck the Generate overviews and Compile the service for publishing options.

2. Click the Image Service drop-down menu and click Advanced > Edit Raster Properties.

   This opens the Edit Raster Properties Wizard.

3. Click Next.
4. Click the General properties of raster datasets or rasters radio button and click Next.
5. Click the Raster radio button and click Next.
6. Check NoData value.
7. Type the pixel value representing the NoData value.

   Only one value can be specified.

8. Click Next.
9. Click Next.
10. Click Finish.