SAOTk Reference Manual
Table of Contents

SAOTk Frame Widget

introduction

The Frame widget is used to display FITS data. It supports both FITS images and binary tables. Multiple extension files are also supported. The widget supports arbitrary zoom, rotation, orientation, and panning. The Frame widget is designed to support rendering of large FITS images and binary tables.

synopsis

framepseudocolor8
frametruecolor8
frametruecolor16
frametruecolor24

Create frame canvas widget for pseudocolor or truecolor visual.
Syntax:  standard canvas widget options, see canvas(n) for more info.
            -width           width of magnifier, default 512
            -height          height of magnifier, default 512
            -x                   location of anchor point in canvas, default 1
            -y                   location of anchor point in canvas, default 1
            -anchor        anchor mode, default nw
            -tags             canvas tag
            -command  tcl command for this widget, default 'frame'

Example: create framepseudocolor8 -width 512 -height 512 -command frame1
         create frametruecolor24 -width 512 -height 512 -command frame2

commands

  • General Commands
  • Scale Commands
  • Crosshair Commands
  • FITS Commands
  • Coordinate Commands
  • Marker Commands
  • Pan Zoom Rotate Orient Commands
  • Magnifier Commands
  • Panner Commands
  • Postscript Commands
  • FITS Binary Table Commands
  • Contour Commands
  • IIS Commands

    • conventions

  • yes no

    • Select one of the following:
    [yes | no | true | false | on | off | 1 | 0]
  • coordinate

    • Specify one of the following:
    canvas: integer integer
    reference: numeric numeric
    image: integer integer
    physical: numeric numeric
    detector: numeric numeric
    amplifier: numeric numeric
    wcs: numeric numeric # degrees
            hh:mm:ss.ss dd:mm:ss.ss # hms dms
  • coordinate system

    • Specify one of the following coordinate sytems:
    [image | physical | detector | amplifier | fk4 | fk5 | b1950 | j2000 | galactic | ecliptic | linear | icrs | equatorial b1950 | equatorial j2000 | equatorial fk4 | equatorial fk5]
  • canvas coordinate system

    • Specify one of the following coordinate sytems:
    [canvas | panner | image | physical | detector | amplifier | fk4 | fk5 | b1950 | j2000 | galactic | ecliptic | linear | icrs | equatorial b1950 | equatorial j2000 | equatorial fk4 | equatorial fk5]
  • wcs coordinate system

    • Specify one of the following coordinate sytems:
    [fk4 | fk5 | b1950 | j2000 | galactic | ecliptic | linear | icrs | equatorial b1950 | equatorial j2000 | equatorial fk4 | equatorial fk5]
  • orientation

    • Specify one of the following orientations:
    [none | x | y | xy]
  • precision

    • Specify the precision of the requested value.
    [default | fixed | scientific | integer]