Polygon in React Native

Polygon in React Native

Polygons are geometric shapes with multiple sides. They are useful for visualizing various selected areas in a map.

Creating Polygons using (react-native-maps)

react-native-maps as a convenient library for map visualizations.

Polygon component and its properties like coordinates,   fill color, stroke color, stroke width.

It provides a built-in Polygon component for creating polygons directly on top of a map view.

This is ideal when you want to highlight areas, define zones, or visualize shapes within a map.

Properties

1. Coordinates (Required):   This is the most essential property and defines the shape of your polygon.

It’s an array of objects, where each object specifies a latitude and longitude coordinate.

2. FillColor (Optional):  This property sets the fill color of the polygon’s interior area.

You can use a valid CSS color string like “rgba(0, 200, 0, 0.5)” for a semi-transparent green fill.

3. StrokeColor (Optional):  This property sets the color of the polygon’s border (outline).

You can use a valid CSS color string like “rgba(0, 0, 0, 0.8)” for a black border.

4. StrokeWidth (Optional): This property controls the thickness of the polygon’s border in pixels.

A higher value like 2 creates a thicker border.

5. OnPress (Optional): This property allows you to define a function that gets called when the user taps on the polygon.

Example

Output (For example)