The paper deals the procedures and processes in the modeling of topographic data. There are some fazes and procedures of modeling of topographic data in digital form. It deals in capturing, modeling, distributing and archiving of data. Sometimes many procedures are need for convertion and transformation from one format to other, from one system to other. The procedure of modeling data is a very important way and with computer-aided along with a certain degree of automatizaton that is useful for using and updating of topographic contents. .