# How to do the Thiessen Polygons method?

Although AreMap can draw Thiessen polygons, we've created a user-friendly tool for easier implementation. Download it here, and follow these steps to utilize the Thiessen Polygon Method with the Thiessen Polygon tool:

1. Input Data:

- Enter the list of stations with their respective latitude, longitude, and any additional information (e.g., rainfall data) into the tool.

2. Specify Text Position (Optional):

- If you want to display text on the chart, enter the latitude and longitude of the text position.

3. Draw Thiessen Polygons:

- Navigate to the first tab of the Thiessen Polygon tool where you can draw polygons as an image.

- If you've entered the latitude/longitude of the text, activate the 'Use Position' checkbox.

- Choose the desired options, such as displaying names and areas on the image.

- Click on the "Draw Lines" button to generate Thiessen polygons.

4. Save Image:

- After drawing the lines, save the generated image. The image width is 700px, and the height is 500px. You can adjust the size and DPI while saving.

5. Explore Map Tile (Optional):

- Move to the second tab, which is similar to the first but includes an option to change the map tile. If desired, select a different map tile from the combobox.

6. View and Export Area Data:

- Go to the third tab to view and export the area for each station in square kilometers and square degrees. This tab will be populated after drawing the polygons.

7. Calculate Weighted Average (Optional):

- If you've entered values for the stations, you can calculate the weighted average of the station values on this tab. The weighted average can be in square kilometers or degrees.

By following these steps, you can leverage the tool to implement the Thiessen Polygon Method, visualize proximity zones, and analyze spatial relationships between the points in your dataset.

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