Adaptive image ray-tracing for astrophysical simulations

Details Adaptive image ray-tracing for astrophysical simulations Adaptive image ray-tracing for astrophysical simulations

2010-10-26

arxiv.org/abs/1010.5534v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

4 pages, 1 figure. Accepted for publication in MNRAS

Scientific paper

A technique is presented for producing synthetic images from numerical simulations whereby the image resolution is adapted around prominent features. In so doing, adaptive image ray-tracing (AIR) improves the efficiency of a calculation by focusing computational effort where it is needed most. The results of test calculations show that a factor of >~ 4 speed-up, and a commensurate reduction in the number of pixels required in the final image, can be achieved compared to an equivalent calculation with a fixed resolution image.

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