# Co-ordinate conversion
def lat2coord(a,basey,masterscale) #:doc:
- -(lat2y(a)-basey)*masterscale+250
+ -(lat2y(a)-basey)*masterscale
end
def long2coord(a,baselong,masterscale) #:doc:
- (a-baselong)*masterscale+350
+ (a-baselong)*masterscale
end
def lat2y(a) #:doc:
end
def coord2lat(a,masterscale,basey) #:doc:
- y2lat((a-250)/-masterscale+basey)
+ y2lat(a/-masterscale+basey)
end
def coord2long(a,masterscale,baselong) #:doc:
- (a-350)/masterscale+baselong
+ a/masterscale+baselong
end
def y2lat(a)