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.. _ch-plugins:
+++++++
Plugins
+++++++
Ginga is written so that most of the functionality of the program is
achieved through the use of plugins. This modular approach allows a
large degree of flexibility and customization, as well as making overall
design and maintenance of the program simpler.
Plugins are divided into two types: *global* and *local*.
A global plugin has a single instance shared by all channels, while a
local plugin creates a unique instance for each channel. If you switch
channels, a global plugin will respond to the change by updating itself,
while a local plugin will remain unchanged if the channel is switched,
because its operation is specific to a given channel. (Ginga's concept
of channels is discussed in :ref:`concepts-channels`.)
This chapter describes the set of plugins that come with Ginga. Those
interested in writing their own custom plugins should refer to
:ref:`sec-writing-global-plugins` or :ref:`sec-writing-local-plugins`.
.. _sec-globalplugins:
==============
Global plugins
==============
.. toctree::
:maxdepth: 1
plugins_global/toolbar
plugins_global/pan
plugins_global/info
plugins_global/header
plugins_global/zoom
plugins_global/thumbs
plugins_global/contents
plugins_global/colorbar
plugins_global/cursor
plugins_global/operations
plugins_global/fbrowser
plugins_global/colormappicker
plugins_global/errors
plugins_global/rc
plugins_global/wcsmatch
plugins_global/changehistory
plugins_global/samp
plugins_global/log
plugins_global/command
plugins_global/saveimage
plugins_global/downloads
plugins_global/loaderconfig
plugins_global/pluginconfig
.. _sec-localplugins:
=============
Local plugins
=============
An *operation* is the activation of a local plugin to perform some
function. The plugin manager toolbar at the bottom of the center pane
is the graphical way to start an operation.
.. toctree::
:maxdepth: 1
plugins_local/pick
plugins_local/ruler
plugins_local/multidim
plugins_local/cuts
plugins_local/histogram
plugins_local/crosshair
plugins_local/overlays
plugins_local/wcsaxes
plugins_local/tvmark
plugins_local/tvmask
plugins_local/blink
plugins_local/lineprofile
plugins_local/pixtable
plugins_local/preferences
plugins_local/catalogs
plugins_local/mosaic
plugins_local/collage
plugins_local/drawing
plugins_local/fbrowser
plugins_local/colormappicker
plugins_local/compose
plugins_local/plottable
plugins_local/pipeline
plugins_local/screenshot
plugins_local/autoload
|
