@doegis/core
Version:
DOE GIS API
3 lines (1 loc) • 366 B
JavaScript
function t(t,a,n){return 2*Math.atan(Math.sqrt(a*a+n*n)*Math.tan(.5*t)/a)}function a(t,a,n){return 2*Math.atan(Math.sqrt(a*a+n*n)*Math.tan(.5*t)/n)}function n(t,a,n){return 2*Math.atan(a*Math.tan(.5*t)/Math.sqrt(a*a+n*n))}function r(t,a,n){return 2*Math.atan(n*Math.tan(.5*t)/Math.sqrt(a*a+n*n))}export{n as fovd2fovx,r as fovd2fovy,t as fovx2fovd,a as fovy2fovd};