The analysis of different types of factors that have influence on degree of graphical weight of thematic map

We can define thematic maps as an graphical instrument for systematic presentation of qualitative and quantitative characteristics of spatial determinate occurrences and their relations. They can be powerful instrument in making decision in process of spatial governing. The thing that gives last judgment about situation in space is synthetic interpretation occurrences expressed by visual, functional and physiological factors. These factors give also the influence at graphical weight of thematic map, and also at quality of necessary information.