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Gerb2tiff Changelog

What's new in Gerb2tiff 1.2

Feb 7, 2011
  • Added IR (Image Rotation) parameter support.
  • Added IJ (Image Justify) parameter support.
  • Changed build process for GNU autotool built system.
  • See INSTALL for instruction on compiling.
  • The Windows 32bit executalbe is in separated archive, gerb2tiff-{version}-win32-bin.zip
  • removed redundant sub-minor version numbers

New in Gerb2tiff 1.0.9 (Jan 11, 2011)

  • bug fix: Polygon drawing code completely rewritten. This fixed problems with
  • arcs and line mismatching. Also fixed the problem of occurring rouge horizontal scan lines.
  • bug fix: Aperture primitive 21 (Line Centre) had centre position located at upper left instead of lower left.
  • Improved bitmap rendering speed.

New in Gerb2tiff 1.0.8 (Jan 11, 2011)

  • bug fix: fixed crash when multiple input gerber files specified.

New in Gerb2tiff 1.0.7 (Jan 11, 2011)

  • bug fixed: arcs with equal start and ending points were not drawn.

New in Gerb2tiff 1.0.6 (Jan 11, 2011)

  • bug fixed: The width of traces were incorrectly scaled to the square of the
  • scale factor.
  • bug fixed: IPNEG and IPPOS parameters were not being recognised.
  • Implemented MI (Mirror Axis) parameter
  • Implemented IF (Include File) parameter. note: nested includes are allowed, and recursive includes are not safeguarded. Error reporting does not contain include file information. These two problems can be fixed in future versions.
  • Arcs are now supported in polygon drawing
  • Improved robustness in reading coordinate data. Can handle excess digits than
  • designated in FS parameter.
  • Improved arc drawing algorithm yet again. Added correction mechanism for
  • mismatched arc centres in 360 degree circular mode. In single quadrant, arc
  • centres are always relative to the tool location prior to G03/G02 command, by an offset given by I,J. In single quadrant mode arc radius = sqrt(I*I + J*J).
  • Arc with zero radius are replaced with line segments.
  • (Gerber arcs are horrible to implement)

New in Gerb2tiff 1.0.5 (Jan 11, 2011)

  • bug fixed: The last vertex in G36 command polygons was ignored. This caused
  • polygons that did not have the last vertex matching the first vertex to be drawn
  • incorrectly.
  • bug fixed: An aperture change followed by any drawing within the same
  • command block would not draw the first line/arc correctly.
  • bug fixed: Any command data block caused drawing to occur if the lamp state
  • was on. For example, the command block 'G37*' would draw to current X Y position if lamp was on. The correct method draws only if a command block
  • contains any one of the following commands: X, Y, I, J or D1 (lamp on) and is
  • not in polygon mode.
  • improved error reporting on macro definitions

New in Gerb2tiff 1.0.4 (Jan 11, 2011)

  • bug fixed: Consecutive ADD data blocks were not recognised inside a single '%' block.

New in Gerb2tiff 1.0.3 (Jan 11, 2011)

  • added options, --grow-mm, --boarder-pixels, --strip-rows
  • verbose mode reports bitmap origin location.
  • multiple Gerber files on command line are overlayed to a single bitmap.

New in Gerb2tiff 1.0.2 (Jan 11, 2011)

  • Fixed several bugs with arc drawing
  • Added support linear line drawing using the standard Rectangle aperture.
  • Added options for image scaling.
  • Improved error reporting
  • Improved command line interface.
  • Capable of reading Gerber data form standard input

New in Gerb2tiff 1.0 (Jan 11, 2011)

  • The project was renamed to gerb2tiff
  • A complete rewrite of the source code.
  • The image is now rendered entirely by polygons
  • Uses bison and flex for the parser
  • Close to full implementation of the full RS-274X standard
  • Improved speed and memory usage.

New in Gerb2tiff 0.74 (Jan 11, 2011)

  • fixed problem with gerb2tif.exe dependencies. A quick fix was to include cygwin1.dll

New in Gerb2tiff 0.73 (Jan 11, 2011)

  • fixed small bug with TIFF library reporting an error

New in Gerb2tiff 0.72 (Jan 11, 2011)

  • uses the LibTIFF library (fixed DPI bug in TIFF header and output is compressed)

New in Gerb2tiff 0.71 (Jan 11, 2011)

  • added %OF Image offset parameter

New in Gerb2tiff 0.70 (Jan 11, 2011)

  • Multiple Gerber files on the command line are now superimposed to a single output.
  • The Gerber X,Y coordinates for each file are directly overlayed.
  • Added option to add or subtract a given number of pixels width to outlines of
  • all apertures.
  • Fixed some other bugs.

New in Gerb2tiff 0.63 (Jan 11, 2011)

  • bugs fixes
  • fixed program crash from Aperture Macro Circles AND Line Vectors printing with non zero centre position

New in Gerb2tiff 0.62b (Jan 11, 2011)

  • bugs fixes - initialised X,Y coordinates to zero at startup.
  • less strict with RS-274X %FS parameter format.

New in Gerb2tiff 0.62 (Jan 11, 2011)

  • Fixed bug with %IPNEG command
  • Area information reports total area of positive pixels in bitmap (see readme.txt)

New in Gerb2tiff 0.61 (Jan 11, 2011)

  • FS parameter defaults to %FSALX23Y23*% in spite of RS-274X not specifying defaults.
  • fixed bug with Incremental Coordinate format.

New in Gerb2tiff 0.6 (Jan 11, 2011)

  • Support for incremental coordinates mode (untested !)
  • Added special aperture primitive number 1, Circle.
  • Added special aperture primitive number 22, Line(Lower Left).
  • Added special aperture primitive number 20/2, Line(Vector).
  • Macro Aperture modifiers for Centre Position, Exposure State and Rotation now
  • take effect.
  • Support for Macro Apertures with multiple or combined primitives of the same
  • macro name.
  • Removed -S command line option for subtracting outline of shapes. Feature
  • was not necessary and also had bugs.
  • some bug fixes.

New in Gerb2tiff 0.5 (Jan 11, 2011)

  • Added circular interpolation drawing features of the Gerber standard. Circular
  • drawing commands G03, G02, G74, G75 are now recognised.
  • Correctly implemented Macro Apertures with parameter passing of the modifier list.
  • Previously version did not allow Macro Apertures modifier lists to be modified.
  • Removed -a option and made area information always displayed.
  • Added support for commands %MI, %IP.
  • Added special aperture primitive number 21, Line(Centre).
  • More robust error checking during parsing, and other small improvements.

New in Gerb2tiff 0.4 (Jan 11, 2011)

  • Fixed problem with rounding the size of apertures types Circle and Orbround.
  • The bitmap image now represents a more accurate rounded size of these apertures.
  • Added feature for subtracting a set number of pixels from the outline of shapes drawn. Useful for correcting phototool trace width dimensions.
  • Added detailed descriptions of command line options to readme.txt

New in Gerb2tiff 0.3 (Jan 11, 2011)

  • Added support for Gerber command G04 - "Ignore Data Block"
  • Displays total area of image in square centimetres, see -a option
  • Optimised drawing routines to only draw outline pixels of the aperture shape that are dependent upon the direction movement. (plotting time is less than half)
  • Corrected my email address in Readme.txt file.