When publishing the image service, the REST image service is the Server Type published by default, and the REST Service interface provides multiple service resources; the grid information of the Specify Coordinates location can be queried through the REST Service interface.

For example, the access address of the REST image service is http://localhost:8090/iserver/services/imageservice-chinatif/restjsr.

1.Access to REST imaging services, such as http://localhost:8090/iserver/services/imageservice-chinatif/restjsr;

2. On the root directory page of image service, click "collections" to enter the image collection list page; click a collection, such as "chinatif", and click "rasterValue" to enter the rasterValue request page.

3.On the rasterValue request page, specify the coordinates of the grid to be queried through coordinates X and Y, and then click "Query" to return the grid value of the coordinates and related information, as shown below.

• Image ID: Specify the ID value in the Image Collection of the image where the Coordinates grid is located.
• Image Row/Image Column: Specify the pixel coordinates of the Image Files where the Coordinates grid is located, that is, the pixel row and column coordinates.
• Band Count: The total number of bands of the Image Files where the Specify Coordinates grid is located.
• Band 1/Band 2/../Band n: Specify the grid value of the Coordinates grid in each band.
• File Path: Specify the path to the Image Files where the Coordinates grid is located.