Chapter 4:
WFC3 Images: Distortion Correction and MultiDrizzle

4.1 WFC3 Geometric Distortion

4.1.1 The UVIS Channel

4.1.2 The IR Channel

4.2 MultiDrizzle: Distortion Correction and Dither Combination

4.2.1 Why drizzle?

4.2.2 Pipeline products

4.2.3 Documentation

4.3 MultiDrizzle Examples

4.3.1 IR MultiDrizzle example

MultiDrizzle: pipeline versus offline

Getting started: input images and distortion tables

Image registration and shift file

Key drizzling parameters

Inspecting output and iteration