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Release-1.6
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Subject: NEW FUNCTION <ds_format_unit>
Date: Sun, 10 Nov 1996 11:44:38 +1100
SUMMARY:
A new experimental function <ds_format_unit> has been created.
HEADER CHANGED:
<karma_ds.h>
DESCRIPTION:
The <ds_format_unit> experimental function will format a unit string.
-------------------------------------------------------------------------------
Subject: NEW FUNCTION <ds_format_value>
Date: Sun, 10 Nov 1996 11:48:57 +1100
SUMMARY:
The experimental <ds_format_value> function scales and formats values.
HEADER CHANGED:
<karma_ds.h>
DESCRIPTION:
The experimental <ds_format_value> function will apply a scale and
an offset to a value and will format the value into string in
human-friendly form.
-------------------------------------------------------------------------------
Subject: NEW FUNCTION <ds_get_data_scaling>
Date: Sun, 10 Nov 1996 11:51:58 +1100
SUMMARY:
The experimental <ds_get_data_scaling> function has been created.
HEADER CHANGED:
<karma_ds.h>
DESCRIPTION:
The experimental <ds_get_data_scaling> function will find the
scaling information for a data value in it's associated data
structure. Scaling information is used to convert data in integer
format to real-world units.
-------------------------------------------------------------------------------
Subject: NEW FUNCTION <viewimg_track_compute>
Date: Sun, 10 Nov 1996 11:58:30 +1100
SUMMARY:
The experimental <viewimg_track_compute> function has been created.
HEADER CHANGED:
<karma_viewimg.h>
DESCRIPTION:
The experimental <viewimg_track_compute> function is a convenience
routine for implementing track windows. A standard position event
handler for the <viewimg> package simply passes many of the event
parameters to the <viewimg_track_compute> function and is returned
three formatted strings, containing pixel co-ordinates and data value,
world co-ordinates and "extra" information.
-------------------------------------------------------------------------------
Subject: CHANGES to <TracePopup> widget
Date: Sun, 10 Nov 1996 12:05:50 +1100
SUMMARY:
The <TracePopup> widget now displays co-ordinates.
DESCRIPTION:
The <TracePopup> widget now supports astronomical world co-ordinates
and displays the cursor position.
-------------------------------------------------------------------------------
Subject: CHANGES to <ThreeDeeSlice> widget
Date: Sun, 10 Nov 1996 12:15:07 +1100
SUMMARY:
The <ThreeDeeSlice> widget has changed.
CODE AFFECTED:
All code which uses the <XkwNcursorPosition> resource or receives
<XkwNcursorCallback> callbacks will need to be changed.
HEADER CHANGED:
<Xkw/ThreeDeeSlice.h>
DESCRIPTION:
The <ThreeDeeSlice> widget is now capable of displaying cubes which
are too large to show at 1:1 resolution. If a cube is too big then
each slice is automatically subsampled.
The <XkwThreeDeeSliceSetCursor> function is now used to set the
current cursor position.
The <ThreeDeeSlice> widget will display co-ordinate information as
the mouse is moved over any of the three slice windows.
REASON:
The cursor resource and callbacks changes are designed to give
increased flexibility to applications which need to deal with
3-dimensional cursor positions. Cursor positions may now be specified
in data voxel index, linear or world co-ordinates. The cursor callback
provides cursor positions in all three co-ordinate systems.
-------------------------------------------------------------------------------
Subject: NEW FUNCTION <viewimg_set_array_attributes>
Date: Sun, 10 Nov 1996 12:16:40 +1100
SUMMARY:
The <viewimg_set_array_attributes> function has been created.
HEADER CHANGED:
<karma_viewimg.h>
DESCRIPTION:
The <viewimg_set_array_attributes> function will set a variable
number of attributes on an array of ViewableImage objects. This allows
the setting of attributes en masse for a sequence of images.
-------------------------------------------------------------------------------
Subject: CHANGES to <viewimg> package
Date: Sun, 10 Nov 1996 19:56:42 +1100
SUMMARY:
New attributes for ViewableImage objects have been created.
HEADER CHANGED:
<karma_viewimg.h>
DESCRIPTION:
The VIEWIMG_VATT_DATA_SCALE attribute sets the default data
multiplier which may then be used by routines such as
<viewimg_track_compute> to convert integer image data to real-world
values.
The VIEWIMG_VATT_DATA_OFFSET attribute sets the default data
offset which may then be used by routines such as
<viewimg_track_compute> to convert integer image data to real-world
values.
The VIEWIMG_VATT_VALUE_MIN attribute allows a ViewableImage to
override the default KWorldCanvas minimum intensity value when it
is displayed. This allows canvas scaling to be associated with data.
The VIEWIMG_VATT_VALUE_MAX attribute allows a ViewableImage to
override the default KWorldCanvas maximum intensity value when it
is displayed. This allows canvas scaling to be associated with data.
-------------------------------------------------------------------------------
Subject: BUG FIX in <ds_copy_unique_named_element> routine
Date: 12-NOV-1996
SUMMARY:
The <ds_copy_unique_named_element> routine has been fixed.
DESCRIPTION:
The <ds_copy_unique_named_element> routine would incorrectly fail
when updating already existing elements.
-------------------------------------------------------------------------------
Subject: BUG FIX in <wcs> package
Date: 14-NOV-1996
SUMMARY:
The <wcs_astro_*> routines have been fixed.
DESCRIPTION:
The <wcs_astro_*> routines had a 0.5 pixel offset in the Digital Sky
Survey co-ordinate system support.
-------------------------------------------------------------------------------
Subject: BUG FIX in <mt> package
Date: 15-NOV-1996
SUMMARY:
The <mt> package no longer fails with older Linux kernels.
DESCRIPTION:
The <mt> package would fail on older with older Linux kernels, since
it depended on the newer format for /proc/cpuinfo (from kernel
2.0.0). Instead of aborting, the package now just displays a warning
message.
-------------------------------------------------------------------------------
Subject: BUG FIX in <wcs> package
Date: 20-NOV-1996
SUMMARY:
The <wcs_astro_*> routines have been fixed.
DESCRIPTION:
The <wcs_astro_*> routines did not deal properly with fields around
the north or south poles for the SIN, TAN, NCP and ARC projections.
-------------------------------------------------------------------------------
Subject: CHANGES to <wcs> package
Date: 20-NOV-1996
SUMMARY:
The <wcs_astro_transform> routine has been threaded.
DESCRIPTION:
The <wcs_astro_transform> routine has been threaded, yielding
significant speedsups (2x to 3x on a 4 CPU HyperSPARC 90 machine).
-------------------------------------------------------------------------------
Subject: CHANGES to <SimpleSlider> widget
Date: 21-NOV-1996
SUMMARY:
The <SimpleSlider> widget can now display scaled data.
DESCRIPTION:
The <SimpleSlider> widget has a new routine
<XkwSimpleSliderSetScale> which will set the display scale for the
widget. The application has the choice of displaying integer, floating
point or both scales. The <XkwNscaledFormat> and <XkwNscaledUnit>
resources allow may be used to control the formatting and units for
the floating point data that is displayed.
-------------------------------------------------------------------------------
Subject: BUG FIX in <kwin_draw_rgb_image> routine
Date: 22-NOV-1996
SUMMARY:
The <kwin_draw_rgb_image> routine has been fixed.
DESCRIPTION:
The <kwin_draw_rgb_image> routine incorrectly failed when
redirecting from a PsuedoColour canvas to PostScript.
-------------------------------------------------------------------------------
Subject: BUG FIX in <kwin_draw_pc_image> routine
Date: 22-NOV-1996
SUMMARY:
The <kwin_draw_pc_image> routine has been fixed.
DESCRIPTION:
The <kwin_draw_pc_image> routine did not reliably determine RGB
values when redirecting from a TrueColour canvas to PostScript.
-------------------------------------------------------------------------------
Subject: BUG FIX in <iarray_get_sub_array_2D> routine
Date: 23-NOV-1996
SUMMARY:
The <iarray_get_sub_array_2D> routine has been fixed.
DESCRIPTION:
The <iarray_get_sub_array_2D> routine did not copy a crucial member
from the original array. Since this member was left uninitialised,
results were unpredictable.
-------------------------------------------------------------------------------
Subject: CHANGES to <wcs> package
Date: 27-NOV-1996
SUMMARY:
The ZEA (Zenithal Equal Area) projection has been added.
DESCRIPTION:
Support for the ZEA (Zenithal Equal Area) projection has been added
to the <wcs> package. This projection allows more than a hemisphere to
be represented in an image.
-------------------------------------------------------------------------------
Subject: BUG FIX in <ExportMenu> widget
Date: 27-NOV-1996
SUMMARY:
A bug in writing PPM or Sun Rasterfile images has been fixed.
DESCRIPTION:
The <ExportMenu> widget had a bug where the PseudoColour colourmap
was being used when writing TrueColour images in PPM or Sun Rasterfile
formats.
-------------------------------------------------------------------------------