4 ms·
Snyder is the canonical source that most use. Free download from USGS. Once you see the math you’ll understand why you want to use libraries. https://pubs.er.u
by dmahr 6y ago
Snyder is the canonical source that most use. Free download from USGS. Once you see the math you’ll understand why you want to use libraries.
https://pubs.er.usgs.gov/publication/pp1395 https://pubs.er.usgs.gov/publication/pp1395
- ngcc_hk 6y agoSame when I found out the need to use fortran for astro calc ...
- to11mtm 6y agoHA! The upshot of Snyder is that it includes -samples- for everything, which is really useful if you ever wind up having to deal with an Albers Conic over 3 states in the US, that also is using an elipsoid typically used in India. Oh, also it's 2010 and you can't afford actual GIS tools. You have Google Earth, Visual Studio, AutoCAD, and Microstation. Good Luck.