The XLOADCT procedure provides a graphical widget interface to the LOADCT procedure. XLOADCT displays the current colortable and shows a list of available predefined color tables. Clicking on the name of a color table causes the color table to be loaded. Many other options, such as Gamma correction, stretching, and transfer functions can also be applied to the colortable.
This routine is written in the IDL language. Its source code can be found in the file
subdirectory of the IDL distribution.
Set this keyword to have XMANAGER block when this application is registered. By default, BLOCK is set equal to zero, providing access to the command line if active command line processing is available. Note that setting BLOCK=1 will cause all widget applications to block, not just this application. For more information, see the documentation for the NO_BLOCK keyword to XMANAGER .
Set this keyword to block processing of events from other widgets until the user quits XLOADCT. A group leader must be specified (via the GROUP keyword) for the MODAL keyword to have any effect. By default, XLOADCT does not block event processing.