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Fixes and enhancements in chemtool 1.6.9
- Fixed placement of right-justified labels containing sub-
and/or superscripts on screen and in all XFig-based export modes.
- Worked around a bug in fig2dev that prevented creation of EMF files
- Improved spacing of sub/superscripted labels in GTK2 builds
- Corrected line spacing of triple and quadruple bonds.
Fixes and enhancements in chemtool 1.6.8
- Fixed an ugly bug that could crash the program on startup, especially
if it was compiled with gcc 4.0.x
- Chemtool now recognizes OpenBabel 2.0
- Added a new Export function for exporting through openbabel
- Modified sub/superscript text in SVG export to work around limitations
in the current vesions of firefox and konqueror.
Fixes and enhancements in chemtool 1.6.7
- Fixed several serious bugs related to label rendering and printing
that occured when chemtool was built with GTK 2 instead of GTK 1.2
(see ChangeLog for details)
- SVG export now adds a namespace header as required by current builds
of the firefox browser
- SVG export now uses color values instead of color names for better
SVGT compatibility
- The separation between the lines of multiple bonds is configurable
- The keys of the numeric keypad now create two dots instead of a line
for free electron pairs when the Shift key is pressed
- Two new bond types for drawing filled and unfilled p orbital lobes
- chemtool now checks for fig2sxd (sourceforge.net) and offers to export
to OpenOffice Draw format when it is present.
- rpm packages did not install the dutch locale file.
Fixes and enhancements in chemtool 1.6.6
- Fixed bug in molfile preview that caused an immediate crash in 1.6.5
- Made drawing of wiggly bonds work again
Fixes and enhancements in chemtool 1.6.5
- Added a Dutch translation (Myckel Habets)
- Added import ability of V3000 molfiles
- Added SDF file browsing/import support and molfile preview
- Fixed atom name justification in the builtin MDL molfile export function
and added proper translations for XH_3, XH_2, XH labels.
- Fixed the builtin molfile import function to tolerate optional property
blocks
- Made building without locale (national language) support work again
- Made building with the old, menuless user interface work again
- Fixed non-portable syntax in the configure script
Fixes and enhancements in chemtool 1.6.4
- Aminoacid sidechain and backbone templates.
- Arrowheads of curved arrows no longer grow out of proportion.
- Improved positioning of sub- and superscripts to match the screen display
- xfig compound and optional whiteout box now cover sub- and superscripts
- Corrected placement of non-subscripted left-justified labels
- Latex symbol translations for degree, plusminus and copyright sign.
- Cleaned up X11 font dependencies to be either 75 or 100dpi, not both.
- Added KDE directory install targets to the Makefile to allow installation
to a temporary directory (Debian-like installations mainly).
- chemtool now compiles with GTK 2.x if it is available (this offers the
potential for non-western localisations).
Fixes and enhancements in chemtool 1.6.3
- Chemtool should now build and run cleanly on 64 bit systems and OS X
- Sum formula/molecular weight program now handles the second and third
row of transition elements.
Fixes and enhancements in chemtool 1.6.2
- Right justified labels are no longer offset by one character position
when the drawing is exported.
- It is now possible to move bonds by dragging them in 'Move' mode
without first having to mark them as a fragment.
- configure now searches for KDE in /opt/kde3 and /opt/kde2 as well.
Fixes and enhancements in chemtool 1.6.1
- chemtool should now work equally well with either the 75dpi or 100dpi
XFree86 raster fonts (1.6 absolutely required the 75dpi fonts)
- improvements to bond pruning underneath labels
- better positioning of right-justified labels, better clipping limits
around labels
- better formatting of labels containing parentheses
- syntax fixes (missing $s) for greek/special characters, and proper
escaping of isolated percent and dollar characters in Latex export.
- various improvements in the SVG export
- support for direct entering of labels in the bond drawing modes,
and improved updating of label properties
- translated messages were truncated in some cases in 1.6
- portability fix (undo memory handling) for some SGI Irix variants
- Updated French and Brazilian translations
- Updated documentation
New features in chemtool 1.6
- universal import mode based on BABEL (both openbabel and babel supported)
- Formula weight calculator now handles all main group elements and the first
row of transition elements, and accepts greek phi as phenyl substituent.
- Movable hexagonal or square grid backdrop
- Improved SVG export, optional preview bitmaps in EPS export, optional EMF
export
- Cursor key support for pixel-precise drawing and moving
- The cleanup function now corrects bonds that deviate from ideal
horizontal or vertical orientation by a single pixel
- Color support (bonds and text can be red,green,blue,cyan,magenta or yellow).
- Default bond length now configurable, additional grid positions at two and
three times this length added
- Added a brief help text to accompany the 'About' window in the 'Help' menu.
- Added alternate text font (Times Roman)
- An attachment site can be marked before saving a molecule or fragment,
which act as reference point for adding this fragment to other molecules
(previously, this had to be the first atom in a file). Attachment sites are
marked in the preview window by a small x.
- Background color can now be chosen for screen display and EPS export, and
drawing whiteout boxes under labels is now an option ( off by default !).
- Text at 8,10,12,14,17,20 and 24pt can now coexist in a drawing.
- Increased allowed label length to 100.
- Improved rendering of dashed wedge and dotted lines
- Improved text kerning in xfig-based print and export.
- It is now possible to place an auto-incrementing counter at the cursor
position for numbering sites.
- Changed double bond drawing code to no longer switch sides depending
on drawing (or rotation) angle. (As a result of this, some older drawings
will need fixing)
- Rescaling a molecule now also scales its labels. Downscaling beyond
zero size (causing strange inversions) is no longer possible.
- Renamed the "Orbitals" template menu to "Symbols" and added "plus",
"minus" and a rearrangement arrow to it.
- Added two new bond types, a triple bond with all three lines equal,
and a quadruple bond.
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