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authorWilliam Joye <wjoye@cfa.harvard.edu>2016-10-26 21:13:00 (GMT)
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-=pod
-
-=head1 NAME
-
-
-
-B<FunDS9: Funtools and DS9 Image Display>
-
-
-
-=head1 SYNOPSIS
-
-
-
-
-Describes how funtools can be integrated into the ds9 Analysis menu.
-
-
-
-=head1 DESCRIPTION
-
-
-
-
-
-
-SAOImage/DS9 is an astronomical imaging and data visualization
-application used by astronomers around the world. DS9 can display
-standard astronomical FITS images and binary tables, but also has
-support for displaying raw array files, shared memory files, and data
-files automatically retrieved via FTP and HTTP. Standard functional
-capabilities include multiple frame buffers, colormap and region
-manipulation, and many data scaling algorithms. DS9's advanced
-features include TrueColor visuals, deep frame buffers, true
-PostScript printing, and display of image mosaics. The program's
-support of image tiling, "blinking", arbitrary zoom, rotation, and pan
-is unparalleled in astronomy. It also has innovative support for
-automatic retrieval and display of standard image data such as the
-Digital Sky Survey (using servers at SAO, StScI, or ESO).
-
-
-DS9 can communicate with external programs such as Funtools using the
-XPA
-messaging system. In addition, programs can be integrated directly
-into the DS9 GUI by means of a configurable Analysis menu. By
-default, the DS9 Analysis menu contains algorithms deemed essential to
-the core functions of DS9, e.g., display cross-cuts of data,
-iso-intensity contours, and WCS grids. However, new programs can be
-added to DS9 by creating a set-up file which can be loaded into DS9
-to reconfigure the Analysis menu.
-
-
-The basic format of the analysis set-up file is:
-
- #
- # Analysis command descriptions:
- # menu label/description
- # file templates for this command
- # "menu" (add to menu) |"bind" (bind to key)
- # analysis command line
-
-
-For example, the funcnts program can be specified in this way:
-
- Funcnts (counts in source/bkgd regions; options: none)
- *
- menu
- funcnts $filename $regions(source,,) $regions(background,,) | $text
-
-As shown above, DS9 supports a macro facility to provide information
-as well as task support to command lines. For example, the $regions
-macro is expanded by DS9 to provide the current source and/or
-background region to the analysis command. The $text macro is expanded
-to generate a text window display. It also is possible to query for
-parameters using a $param macro, plot data using a $plot macro,
-etc. See the DS9 documentation for further details.
-
-
-A set-up file called funtools.ds9 will
-load some useful Funtools applications (counts in regions, radial
-profile, X-ray light curve and energy spectrum, 1D histogram) into the DS9
-Analysis menu (version 2.1 and above). The file resides in the bin
-directory where Funtools programs are installed. It can be manually
-loaded into DS9 from the B<Load Analysis Commands ...> option of
-the B<Analysis> menu. Alternatively, you can tell DS9 to load
-this file automatically at start-up time by adding the pathname to the
-B<Edit>->B<Preferences>->B<Analysis Menu>->Analysis
-File menu option. (NB: make sure you select
-B<Edit>->B<Preferences>->B<Save Preferences> after setting
-the pathname.)
-
-
-The tasks in this setup file generally process the original disk-based
-FITS file. Funcnts-based results (radial profile, counts in regions)
-are presented in WCS units, if present in the FITS header. For
-situations where a disk file is not available (e.g., image data
-generated and sent to DS9's 'fits' XPA access point), versions of the
-radial profile and counts in regions tasks also are also offered
-utilizing DS9's internal image data. Results are presented in pixels.
-Aside from the units, the results should be identical to the file-based
-results.
-
-
-
-=head1 SEE ALSO
-
-
-
-See funtools(n) for a list of Funtools help pages
-
-
-
-=cut