res@tmXBLabelsOn = False ; no bottom labels
res@tmXBOn = False ; no bottom tickmarks
res@tmYRLabelsOn = False ; no right labels
res@tmYROn = False ; no right tickmarks
res@tmYLLabelsOn = False ; do not draw left labels
res@tmYLOn = False ; no left tickmarks
res@tmXTLabelsOn = False ; do not draw top labels
res@tmXTOn = False ; no top tickmarks
res@pmTickMarkDisplayMode = "Always" ; Turn on map tickmarks