ism3d.arts.lens

Lionel got a lens, Janet got a lens Matthew got a lens on me right now, yeah Cleve got a lens, Kevin got a lens

Functions

sie_grad_abs	source:
sie_rt	performe ray-tracing for a SIE potential two methods: abs, using sie_grad_abs() ls, using lenstronomy theta_e: Einstein radius xc,yc: x/y position of center pa: P.A. (degree) q: axiasratio b/a.