Analysis of Trend of Spatial Development of Rasht City and Determining Optimal Directions of its Development Using of GIS

Disproportionate development of cities and extended accumulation cause the phenomenon like as informal settlements. And the results of developing the informal settlements are forming different damages of economy, society and environment. Results of thisseductions are inability of city a spaces in answering to largess necessity. Generally this unbalance urban growth forms in unprepared lands of city and its results are like as increasing unutilized lands, increasing open spaces, decreasing the accumulation of population separation of urban and social units: so the important issue that stays against the urban development is their future develop place. Recognizing and choosing a best place to future develop of city requires observing the roots and best development of criteria orientation. In finding place we try to rest the different parameters of relationship with each other.