xpipe.xhandle.xwrap.chunkwise_rotate

xpipe.xhandle.xwrap.chunkwise_rotate(flist, metasel=False, nrot=20, nchunks=1, ichunk=0, head=False, seed_master=5)[source]

Performs the random rotations and saves them to file

Parameters
  • flist (list) – list of individual xshear input files

  • metasel (bool) – whether to perform the rotation in calculating the metacal selection responses also.

  • nrot (int) – number of rotations in total

  • nchunks (int) – number of chunks to divide the task into

  • ichunk (int) – index of the current chunk

  • head (bool) – whether to use only the first few rows of the shear catalog

  • seed_master (int) – master seed to generate random seeds for the rotating the entire catalog