How was the panel built with the panel editor?
==============================================

o Load a class frame from the panel editors "Widgets" window

o Import the Mega Widget /vlt/dflow/lib/rtd/RtdImage.tcl and size up
  the window

o Register User Library 'libpanrtd'

o Edit procedure 'panrtdInit': Add a call to panrtdInitialize
  which is contained in panrtd.tcl and save/register it. It
  should look like:

  proc panrtdInit {} {
    panrtdInitialize
  }

o Click with right mouse button into the RtdImage widget frame and
  - Set the Widget Name to 'panrtd'
  - Later you can configure the Public Variables of the RtdImage widget

o Add buttons to the panel which call procedures defined
  in the tcl library panrtd.tcl
  - for loading a FITS file use the tcl command, e.g.
    panrtdLoad [panSelectFile [pwd] *.*fit*]

o Change the title of the panel

o Save the panel as 'panrtd.pan' and exit the panel editor in order
  to avoid possible color flashing

o Run 'make all install'

o rehash and start 'panrtd'

More ...
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o 