added center method and toString returns undef when it is not valid
added some forwards
envelope can now if needed convert to a latlon envelope
envelope can now if needed convert to a latlon envelope
changed the decimal representation of the ellipsoid when going to string
changed the string representation of a numericrange
the north value of the projectrion parameters was not handled correctly (only influenced maps on the souther hemisphere)
wrong table was used when determining human readbale names
determinant could go negative so a sqrt will fail then.
added intersects method to the box
new interface
errorobject for errors that are caused by the visualization
new
new
new
clear the attributes before adding new elements else they get concatenated and though its possible, it is not very likely that that is intended behaviour
bandefs were not set correctly and outputname was skipped
stackdefinition is now properly initialized when the size is changed
forgotten to check these in yesterday
added coordinatesystem as page