problem is solved now. Drawing of markers is little bit hackish, because it is neccessary to draw unselected markers at the first time (unselected marker can't hide selected marker ... visual information about selection would be lost)
problem is solved now. Drawing of markers is little bit hackish, because it is neccessary to draw unselected markers at the first time (unselected marker can't hide selected marker ... visual information about selection would be lost)