There are different kinds of coordinate systems that are developed throughout history for specific reasons. One of these coordinate systems is the cylindrical coordinate system. Here you can find brief information about the cylindrical coordinate systems.

## What Is The Cylindrical Coordinate System?

The Cylindrical-coordinate system is the same as the polar coordinate system.** **The polar coordinate system is generally used for the 2D situations in where the specification of a place is done with an angle and distance value.

The cylindrical coordinate system is developed for positioning in 3D space. In cylindrical coordinate system;

- The first element is the radius value in which gives the distance between the point and the origin(center).
- The second element is the angle value which gives the angle of the line between these points and the X-axis.
- The third element is the distance of the point to the Z-axis in a perpendicular position.

So you can understand that the third element of the cylindrical coordinate system is the additional element to define the exact position in 3D space.

For example, if a coordinate of a point is given as (45 145 30). As you understand that the distance between the point and the center is 45 units. And the angle between this line with the X-axis is 145 degrees. The distance of that point to the Z-axis is 30 units again.

## Conclusion

The general expression of the cylindrical coordinates in positioning is very simple like this.

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