1. A system for performing dynamic segmentation analysis of attributes of a linear network, such attributes stored in a computer-readable relational database, the system comprising: (a) conversion means for converting the data in the relational database to resulting computer-readable data in object-oriented form, the object-oriented form including: a plurality of attribute value arrays of variable length implemented in storage in a digital computer, each consecutive value in the array associated with a value of an attribute at a consecutive region of a feature; and a plurality of corresponding location arrays of variable length, implemented in storage in a digital computer, each location array associated with a given attribute value array and providing region coordinates for each successive value in the corresponding value array; (b) processing means for analyzing the resulting data in the object-oriented form; and (c) output means for providing an output of the analysis performed by the processing means.