Optional
Parameter for TILE and IMAGE adapters to say NGW what will be returned if there is no data to render.
TILE
IMAGE
In NGW api this parameter is written as follows: nd=204|404|200, 200 by default.
nd=204|404|200
200 Copy
200
Parameter for
TILEandIMAGEadapters to say NGW what will be returned if there is no data to render.