question: public String findFileName ( double lat , double lon , int level ) { if ( directories != null ) { for ( Iterator it = directories . iterator ( ) ; it . hasNext ( ) ; ) { DTEDDirectoryHandler ddh = ( DTEDDirectoryHandler ) it . next ( ) ; DTEDNameTranslator dnt = ddh . getTranslator ( ) ; dnt . set ( lat , lon , level ) ; String dtedFileName = dnt . getName ( ) ; if ( Debug . debugging ( "dtedfile" ) ) { Debug . output ( "DTEDFrameCache translator returns " + dtedFileName + " for " + lat + ", " + lon + ", level " + level ) ; } if ( BinaryFile . exists ( dtedFileName ) ) { return dtedFileName ; } } } return null ; }
target:  A utility to find the path to a dted file, given a lat, lon and a dted level. Assumes that paths have been given to the cache. Lat/lons in decimal degrees.