You never can have enough sources on this topic. Here are
People are often mixing the above as if they were one and the same, so hereâ€™s a recap of them. One of the things you often find people saying is that â€œmy data is in the WGS84 coordinate systemâ€. This doesnâ€™t really make sense, but I will get back to this later.
If you feel like ending a conversation with a developer then simply bring up the topic of character encodings.
- A JavaApplet that demonstrates different map projections.
- The Spatial References website, which lists projections information in various formats.