- Added template for graph. - Added converter to convert vertex type to string. Related to Issue [WTI-1383]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@11145 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: b944b5a923cc1f97782a413473380a65d9c76ba8Former-commit-id: f1b33c76a9ff7606e25f84d3e554cdbd0578cec1