code: protected void setPreferredPixelsPerTile(ClientPreferredPixelsPerTile ppt) {
  		switch (ppt.getPreferredPixelsPerTileType()) {
  			case MAP:
  				preferredTileSize = layer.getMapModel().getMapView().getWidth() * 
  					layer.getMapModel().getMapView().getHeight();
  				break;
  			case CONFIGURED:
  				preferredTileSize = ppt.getWidth() * ppt.getHeight();
  				break;
  		}
  	}
docs: Set the preferred tile size in pixels.
  
  @param ppt preferred pixels per tile configuration