Implement pan and zoom controls
Nice: include in borders of the svg container ->compare original controls
(from redmine: issue id 322, created on 2018-01-22tgradl, closed on 2018-01-22)
- Relations:
- relates #314
Nice: include in borders of the svg container ->compare original controls
(from redmine: issue id 322, created on 2018-01-22tgradl, closed on 2018-01-22)