Better validation to handle polar projections
Better validation to handle polar projections

For some projections (e.g. polar) the maximum or minimum values may be at the center.
To improve the display for polar projections take validated center values into account when calculating max and min.
geekdenz/ol3,geekdenz/ol3,geekdenz/openlayers,stweil/ol3,bjornharrtell/ol3,ahocevar/ol3,ahocevar/ol3,geekdenz/openlayers,openlayers/openlayers,ahocevar/ol3,stweil/openlayers,openlayers/openlayers,oterral/ol3,stweil/ol3,ahocevar/openlayers,stweil/openlayers,bjornharrtell/ol3,oterral/ol3,adube/ol3,ahocevar/ol3,bjornharrtell/ol3,stweil/ol3,oterral/ol3,geekdenz/ol3,stweil/openlayers,adube/ol3,openlayers/openlayers,geekdenz/ol3,stweil/ol3,adube/ol3,ahocevar/openlayers,ahocevar/openlayers,geekdenz/openlayers