Thematic Mapping

Thematic mapping refers to the formation of maps that accentuate detailed characteristics of a specified geographic area. Thematic maps can be of different kinds, where the themes can be allocated colors. Once this is done, the legend control can be utilized to observe the legend of the themes created.

These maps are appropriate for exhibiting composite data in an easily understood format.

The various kinds of themes that can be created are as follows:

1. Ranges

This theme segregates the data on the quantity of ranges defined. The user can denote the colors to be used with each particular range unit.

2. Pie Charts

In the pie chart theme, the pie is created out of each specified field. This kind of theme is generally used when evaluating values and studying the amount of share, each field has in the entire group.

3. Individual

This theme is used to generate matter where each individual value is given a unique color. These kind of thematic maps are used when mapping a large dataset and trying to find out parallel values.

4. Graduated

Themes are generated on the basis of a single symbol selected by the user and signify it in various sizes to represent the related value.

5. Dot Density

In this, the themes is produced in the form of collection of dots. Here each dot corresponds to a certain value and the numbers of dots gives an idea of the population of the value being represented.