question: public byte [ ] makeTile ( double uvx , double uvy , ZoomLevelMaker zoomInfo , Proj proj ) { Point2D center = tileUVToLatLon ( new Point2D . Double ( uvx + .5 , uvy + .5 ) , zoomInfo . getZoomLevel ( ) ) ; proj . setScale ( mtcTransform . getScaleForZoom ( zoomInfo . getZoomLevel ( ) ) ) ; proj . setCenter ( center ) ; proj . setHeight ( TILE_SIZE ) ; proj . setWidth ( TILE_SIZE ) ; return createImage ( proj , - 1 , - 1 , zoomInfo . getLayers ( ) ) ; }
target:  Creating the tile using the ImageServer methodology, knowing that the MapTileMaker has been configured with an openmap.properties.file and knows about layers and their marker names.