rtd - real-time image display application
The rtd application is used to display FITS images in real-time.
The application is based on "rtdimage", a Tk image extension for
displaying FITS images.
- -file name
- "name" specifies a FITS format file to load and display.
- -subsample
bool
- If bool is true, subsampling is used when shrinking the image, i.e.: if
the image is shrunk by 1/3, only every third pixel is displayed.
Otherwise, the maximum value is taken from the group of pixels.
- -sampmethod
n (experimental)
- If option 'subsample' is false, the following methods can be used for
displaying a shrunk image (i.e. an image with a scale factor < 1):
- 0
- max value of all pixels in a NxN box (default)
- 1
- min value of all pixels in a NxN box
- 2
- mean value of all pixels in a NxN box
- 3
- median value of all pixels in a NxN box
- 4
- max value of pixels on a diagonal cross in a NxN box
- 5
- min value of pixels on a diagonal cross in a NxN box
- 6
- mean value of pixels on a diagonal cross in a NxN box
- 7
- median value of pixels on a diagonal cross in a NxN box
- 8
- median value of pixels in a chess-board like box
- 9
- median value of a 3x3 box
- -usexshm
bool
- If bool is true (default), attempt to use X shared memory for the image
display, if available. This improves performance considerably, but is only
available when working on the system console.
- -usexsync
bool
- If true, try to use X synchronisation.
- -verbose
bool
- If bool is true, diagnostic messages are printed out to show what is going
on internally (for debugging use).
- -default_cmap
- This option sets the default colormap file to use when starting up. Only
the root of the filename should be specified for this option, for example:
"ramp" for a grey level colormap. For a list of available
colormap files, see the colormaps directory in the rtd release.
- -min_colors
n
- -max_colors
n
- Specify the min and max number of colors to allocate before using a
private colormap.
- -default_itt
- This option is similar to -default_cmap, except it sets the default ITT
(intensity transfer table) file to use at startup. ITT files are also
stored in the colormaps directory.
- -xscale xs
- -yscale ys
- Set the default scaling factors (default: 1).
- -camera
name
- Set the camera name for real-time image events: default: taken from the
RTD_CAMERA environment variable, if set, otherwise set to RTDSIMULATOR,
for simulation test mode.
- -zoom_factor
number
- Set the scale factor for the zoom window (default 5 x the original image).
- -colorramp_height
h
- Set the height of the colorramp subwindow (default: 20).
- -with_zoom_window
bool
- If bool is true (default), add a zoom window.
- -with_pan_window
bool
- If bool is true (default), add a panning window.
- -dozoom
bool
- If true, turn on zoom window.
- -disp_image_icon
bool
- If true, display a copy (view) of the image as an icon.
- -drag_scroll
bool
- If true, set bindings to scroll with the middle mouse button.
- -scrollbars
bool
- If true, display scrollbars to scroll the image.
- -port port
-
Default port for remote connections (0 means system chooses a
port).
- -debug bool
-
Debugging flag: enables real-time simulation with testProg
(below).
- -testprog
path
- For testing: name of test program used to generate real-time updates
(tRtd).
- -interval
n
- For testing: interval between updates in ms.
- -with_perftest
bool
- If true, display performance tester utility in menu bar.
- -with_warp
bool
- Option to warp the mouse pointer.
$RTD_LIBRARY/../demos/rtd.tcl