pixtosky: Coordinate transformation to sky coordinates

This task allows a user to perform coordinate transformations with the full WCS and distortion model on source positions from an input image to sky coordinates. This task serves as a replacement for the IRAF.STSDAS task xy2rd, albeit with the added capability of understanding the full distortion model provided in the headers of images updated for use with astrodrizzle and tweakreg.

drizzlepac.pixtosky Module

pixtosky - A module to perform coordinate transformation from pixel to sky coordinates.

Authors:

Warren Hack

License:

License

Functions

xy2rd(input[, x, y, coords, coordfile, ...])

Primary interface to perform coordinate transformations from pixel to sky coordinates using STWCS and full distortion models read from the input image header.