added test refs #1506

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17421 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
corrected mapping of subsequent stripes when direction changes. refs #1506 (other problems remain)

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17423 29f149b2-0c63-11e1-8f5c-a347f6a9acd0