In Configuration utility open layer and click “Advanced”. You will find advanced settings there.

You can set downsampling and uspampling option.

Use help button top right for guidance.

Hi, thanks for your reaply, could you take a screenshot of various steps?

Thanks soooooo much for your help

1. 
   

   We go to Configuration utility and open one configuration
   

   
   
   


2. 
   

   Open layer, e.g. Natural color
   

   
   
   
   Click Advanced bellow
   


3. 
   

   This is editor for configuration of advanced parameters of the layer
   

   
   
   


4. 
   

   If you click “?” top right, help pane will open
   

   
   
   


5. 
   

   In Datasource defatults node add:
   
   “upsampling”: “BICUBIC”,
   
   “downsampling”: “BICUBIC”,

   
   

6. Save layer