General relativistic ray-tracing
DescriptionGyoto is a framework for computing geodesics in curved space-times. The gyoto utility program uses this framework to compute images of astronomical objects in the vicinity of compact objects (e.g. black-holes). Such images are distorted by strong gravitational lensing. The gyoto program takes a scenery description in XML format, computes this scenery using relativistic ray-tracing, and saves the result in FITS format. More complex uses of the Gyoto framework can be achieved using the yorick-gyoto, python-gyoto or python3-gyoto packages. Gyoto can be extended with plug-ins (see libgyoto4-dev). MPI parallelization requires the mpi-default-bin package.
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