Utility Functions (photutils.utils)

Introduction

The photutils.utils package contains general-purpose utility functions.

Reference/API

This subpackage provides general-purpose utility functions.

Functions

calc_total_error(data, bkg_error, effective_gain)	Calculate a total error array, combining a background-only error array with the Poisson noise of sources.
make_random_cmap([ncolors, seed])	Make a matplotlib colormap consisting of (random) muted colors.

Classes

NoDetectionsWarning	A warning class to indicate no sources were detected.
ShepardIDWInterpolator(coordinates, values)	Class to perform Inverse Distance Weighted (IDW) interpolation.

Class Inheritance Diagram