The type of legend selected determines whether or not the features will be divided into classes and which feature attribute will be used for classification. Classification methods can be selected to determine how the attributes are assigned to classes and how many classes there will be. To easily understand the map, natural colors were assigned for each type by selecting the Unique Value from the Legend Type pull down menu. As an example, the color blue was assigned for water, green for grass and pink for urban areas. Land Use Pie Chart Using the ArcView GIS, it is possible to create traditional presentation graphics as pie charts.
Charts are a powerful way of presenting information to others.
Figure 4 is a pie chart showing the distribution of Land Use areas. In order to create charts, a new Layout should be created first and then charts added into it. Data used in the pie chart were generated using the Summary feature in ArcView. This feature allows the user to summarize the data for a certain field in a certain Theme's Table and get statistics at any time about all records or selected records in a table. This feature was used to summarize the area field of the different records in the Land Use map.