Improves the rendering of labels in polygons#778

Merged

copierrj merged 2 commits intodeegree:masterfrom lat-lon:polygonLabels-206

Nov 9, 2018

+90-42

Commits on Sep 29, 2016

deegree#206 - calculate label point in map
lgoltz
committed

Commits on Oct 10, 2016

deegree#212 - use viewport instead of clipping area (enlarged viewport) for calculatation of label positions
lgoltz
committed