A method of computerized presentation of a legend of object symbols on a document. The method includes receiving a document having object symbols. Each object symbol includes a graphical representation, an object symbol type and an object type numerical value. The method includes generating one or more groups of object symbols of the one or more object symbols based upon the object symbol type of each of the object symbols. The method includes deriving a group cumulative quantity for each group of object symbols based upon the object type numerical value of each object symbol in each group of object symbols. The method includes generating a legend including a one or more legend entries corresponding to each of the one or more groups of object symbols. Each legend entry includes a group type symbol, the object symbol type, and a group cumulative quantity. The method includes displaying the legend.