question: public UrbansimCellBasedAccessibilityCSVWriterV2 ( String matsimOutputDirectory , String modeName ) { try { log . info ( "Initializing ..." ) ; accessibilityDataWriter = IOUtils . getBufferedWriter ( matsimOutputDirectory + "/" + ACCESSIBILITY_INDICATORS + "_" + modeName + ".csv" ) ; accessibilityDataWriter . write ( "x" + "\t" + "y" + "\t" + "accessibility" ) ; accessibilityDataWriter . newLine ( ) ; log . info ( "... done!" ) ; } catch ( Exception e ) { e . printStackTrace ( ) ; throw new RuntimeException ( "io not possible" ) ; } }
target:  writes the header of accessibility data csv file