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===== FV v3.0 =====
November 9, 2000
===> New since v2.6.1 (released Feb 11, 2000) <===
fv
* New Tools: SkyView, Catalogs, Run Ftool...
SkyView: Query SkyView online database for images of a region
of the sky
Catalogs: Query SkyView online database for a plottable list of
objects located in a given region of the sky
Run Ftool: Add-on package allowing one to select and execute
an FTOOL from within fv (Unix only)
* Scripting: added use of a default/selected extension number;
added close (files and windows), save/saveAs, and sort commands
* Added scripting "display curve" option to operate on rows/columns of
an image, not just table columns
* Allow plotting of vector columns and subsets of rows
* Add image smoothing
* Support column names with spaces
* Support opening files when symlinks
* Implemented copy/paste for ALL table views, ie added c/p to vector
and image tables
* Fixed a loss-of-precision bug when copy/pasteing real values...
Data would only be to precision of a TDISP keyword
* Added command-line options: -help, -quiet, -winmanager 1/0
* Added -CAR (cartesian) projection
* Included symlinks in FitsFileSelection in FTP mode
* Rewrote code to use new WCS matrix
POW
* Scripting: added delete, remove, graph, contour, remote, wcs, init,
cursor, and "colormap add"; expanded curve command to allow setting
default parameters for curves not yet plotted/created.
* Printing: fixed printing of line plots in color; image printing on
Windows and Mac OS fixed with upgrade to tcl/tk 8.3.2; background
no longer printed (was printed as white) and UI elements no longer
obscure graph contents.
* Tools: Added Ruler, Probe, and Profile tools...
Ruler: Measures the distance between to points on a graph
Probe: Calculates flux and centroid values for a region of an image
Profile: Extracts an image cross-section and plots its intensity.
* Redesigned region file handling to support new DS9 formats.
* Make use of WCS transform matrices.
* Added user-selectable default graph size and made this argument optional
for powCreateGraph function.
* Tick labels on graphs with celestial coordinates adjust their precision
according to current range.
===> New since v2.6 (released Feb 7, 2000) <===
Fixed serious bug in which all column-column plots would have
RA/Dec axis labels.
===> New since v2.5 (released Apr 30, 1999) <===
fv
* Ported to Mac OS
* The Open File browser now lists file sizes and dates
* The management of windows has been improved to reduce
'windows clutter'
* The appearance of various windows and the physical layout
of user buttons and menu items is more ergonomic
* New scripting capabilities have been added via the X Public
Access (XPA) mechanism (developed by the SAO/HEAD R&D group)
to allow external processes to access and control the behavior
of fv, and especially, POW. These new capabilities are in
addition to the previously available Tcl scripting capabilities
inherent in fv and POW.
* Replaced Options menu with a unified Preferences window available
from any Edit menu.
* Added preference to "Auto-Plot Primary Image" when opening a file.
* Added preference to turn off the Desktop Manager
POW
* Images with 'CD' style WCS keywords are now supported
* The size and location of the scope window and the cursor readouts
in POW are now user configurable
* A histogram-equalization image display option has been added
* Publication-quality annotation labels can be added to the graphs
* Graph selection buttons have been eliminated and true graph titles
added
* Full font control over all labels has been added
===> New since v2.4 (released Nov 24, 1998) <===
fv
* Ported to LinuxPPC (and MkLinux) for Macintosh
* Much greater stability, especially on Windows
* Accepts and opens multiple files from the command line (or drag-n-drop
on Windows)
* FTP support added to Windows version
* Window title bars correctly list URL of FTP files (with any password
stripped out).
* Internal file-handling rewritten (and File menus redesigned) to make
the entire file (not just its individual extensions) an "editable"
object. (See next 3 items.)
* All HDU-level modifications (Cut/Paste/Append HDUs) affect a temporary
file, not the original. Original file now affected only by the "Save"
command.
* Can edit multiple extensions simultaneously. (Previous versions could
only operate on one at a time.)
* Revert command added which reloads last-saved version of file.
(Compatible with FTP files.)
* New configuration option sets default graph size created in POW
* Can deactivate fv's keyword protection of required keywords
* Tables of 1D images will be displayed vertically instead of
horizontally.
* Histogram function will record range and bin information in the output
image's header. These will be used to display the correct axes values
when plotted.
* When plotting a curve, you can have fv add it to a pre-existing graph,
rather than creating a new graph.
* Curves can be created from arithmetic expressions, not merely raw
column data. Any expression understood by fv's calculator can be used.
* Calculator engine replaced with one which is faster and more powerful.
(See calculator's help file for details.)
POW
* Many new configuration options for graphs, images, and curves added...
* "Edit Graph" dialog box converted to a "tabbed-pane" format with
separate panes for options for the Graph, Ticks, Line, Points, and
Images.
* Logarithmic axes and tick labels supported.
* Tick marks and/or labels can be turned off on either axis.
* For curves, points and lines can have separate colors. Histogram
curves can be drawn as solid boxes instead of outlines.
* Line colors (for curves or grid lines) selected via a 27-element
visual color table instead of a list of color names.
* Graphs containing multiple curves will use different colors for each
curve.
* Added new "Dot" point shape which can be drawn much faster than the
others. This shape is the default for curves with more than 10000
points.
* More than 20 colormaps are available for images.
* Virtually all graph/curve/image options can be saved as the defaults
for use in new graphs.
* Default graph options selectable in a window nearly identical to the
"Edit Graph" dialog box.
* Most Color menu items change the settings for all the images in the
current graph. Use the Edit Graph dialog box to set different options
for each image.
* Images with large aspect ratios (eg, 1D images) will be expanded along
their narrow axes if they would otherwise be "pencil thin".
* Analysis tools moved to separate Tools menu
* Scope box (reduced overview of current graph) can be made smaller or
turned off.
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