qhistogram: Make histogram of multi-amplifier CCD image

Package: quadred

Usage

qhistogram images

Parameters

images

List of image names in quadformat.

window = "datasec" (datasec|trimsec|biassec)

Type of section to use for histogram. The choices are "datasec" for the amplifier section which includes the bias if any is present, "trimsec" for the trim section, and "biassec" for the bias section.

The remaining parameters come from the imhistogram task.

Description

This script tasks uses the quadsections task to break the quadformat data into separate sections and runs the imhistogram task on the sections. The graphics is collected onto a single page.

Examples

1. To graph the histograms (default behavior).

qu> qhist quad0072
[graph appears]

See also

quadformat, quadsections, imhistogram