crates_utils

Context: contrib

Synopsis

Utility routines for Crates (CIAO contributed package).

import crates_contrib.utils
from crates_contrib.utils import *

The crates_contrib.utils module provides utility routines for CIAO users, and is provided as part of the CIAO contributed scripts package.

The module can be loaded into ChIPS, Sherpa, or Python scripts by saying one of the following:

from crates_contrib.utils import *
from crates_contrib.all import *

where the second line will load in all the Crates contributed routines, not just the utils module.

The utils module currenly provides the following routines and classes:

Routine or Class	Description
write_columns()	Write out a set of arrays to a file as a table (ASCII or FITS format)
write_arrays()	Write arrays to an ASCII file
make_table_crate()	Create a table crate from a set of arrays
make_image_crate()	Create an image crate from an array
add_colvals	Add a column to a table crate
add_keyval	Add a key to the header of a crate
scale_image_crate()	Scale the data in an image crate (useful for display purposes)
smooth_image_crate()	Smooth the data in an image crate (useful for display purposes)
read_ds9_contours()	Read in the contours from a DS9 *.con file with optional coordinate conversion
SimpleCoordTransform	Support transformations between the different coordinate systems of an image

See the ahelp file for the routine and the contributed scripts page for further information.

The make_table_crate() routine can now create a table crate given a dictionary or NumPy strutctured array.

The make_image_crate(), add_colvals(), and add_keyval() routines have been added to the module.

The module has been updated to work with the updated Crates module in CIAO 4.4.

A clobber parameter has been added to the write_columns routine.

See the bugs pages for an up-to-date listing of known bugs.

Refer to the CIAO bug pages for an up-to-date listing of known issues.