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June 17, 2024

Basic Map Projections – January 19, 2023 at 04:16PM

Basic Map Projections

GIS novice here. I’m making a very simple map of the 50 US states plus DC and PR. I’ve been able to locate two different shapefiles conforming to different projections and I’m wondering which projection is better to use. To me, the Albers projection (in light blue) looks less distorted than the GCS83 projection (in light green) and Wikipedia says the former is the projection used by the US Geological Survey, the US Census, and the BC government. I know that no projection is perfect, but are there any best practices in mapping which deals with this issue, or do mappers (and their organizations) make their own decisions when choosing a projection? Any insight would be helpful!

https://preview.redd.it/umkbo0tc92da1.png?width=2304&format=png&auto=webp&s=46c66e689292ce9f1d4bac2c12343d36de6ebc34

submitted by /u/rhough92
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