Choosing a projection

Now that you've had a quick overview of some of the more common geographic and projection coordinate systems, you should have some understanding of how your projection choice can change the look of your map. But of all the thousands of choices of projections that ArcGIS Pro gives you, which one should you use? This is dependent on the scale and shape of your data, and what the purpose of your map is. It is usually best to choose the smallest projection that all your data fits into. This will minimize the distortion that can be introduced when using larger projections. For example, if you are mapping world capitals, you wouldn't want to use a continent or country-based projection, you would want to use a world projection. On the other hand, if you are mapping clean water locations in Libya, you wouldn't want to use a projection based on the...