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pixmap 0.4-13

• Achim Zeileis takes over maintenance from Friedrich Leisch.

pixmap 0.4-12

• Fixed some NAMESPACE problems.

pixmap 0.4-11

• Added dummy NAMESPACE file.

• Move class definitions to separate file, no Collate in DESCRIPTION.

pixmap 0.4-10

• Explicitly mention in the help file that read.pnm only works for files, not other conntection.

• Fixed a bug in write.pnm that tried to open the same connection twice.

pixmap 0.4-9

• Fixed a minor glitch in write.pnm.

pixmap 0.4-8

• Fixed a bug that prevented plotting images with only 1 row (bug report by Robert Esswein).

pixmap 0.4-7

• Use LazyLoad instead of SaveImage.

pixmap 0.4-6

• Modified one of the regression tests for changes in R 2.4: terrain.colors() now return transparency information -> do not use it in example.

pixmap 0.4-5

• Standardized license field in DESCRIPTION file.

pixmap 0.4-4

• Fixed a bug in the prototype of class "pixmap".

pixmap 0.4-3

• New example for overlaying plots in help(pixmap) submitted by Stephan Matthiesen.

pixmap 0.4-2

• Adjust for R 2.0.0.

• Fixed a bug in coercion from pixmapIndexed to pixmapRGB.

• There was a bug in the methods package of R 1.9.x which was triggered by functions in pixmap, hence this version of the package depends on R >= 2.0.0.

pixmap 0.4-1

• Fixed a bug in write.pnm() that wrote grey images in PPM format.

• The channel information was not changed when converting between RGB and grey pixmaps.

• The maxval in PNM headers must be less than 65536, not less than 256.

pixmap 0.4-0

• read.pnm(): Vectorized (and renamed) as.integer.bytes() which provides a huge performance gain for reading “PBM” (b/w bitmaps).

• New function addlogo().

pixmap 0.3-4

• Clarified documentation of read.pnm (file name extensions are ignored).

pixmap 0.3-3

• Fixed some codoc problems (missing aliases).

pixmap 0.3-1

• read.pnm(): Changes made to function reading and parsing PNM file headers to permit comments of arbitrary length.

pixmap 0.3-0

• The whole package has moved to S4 classes and methods, hence all classes have a new representation. This also means that the code and the API are not fully backwards compatible with earlier versions of the package.

• Added support for subsetting, see example(pixmap).

• New: addChannels() and getChannels().

pixmap 0.2-1

• pixmap():
  • Added arguments bbcent and cellres.
  • nrow and ncol default to the respective dimensions of the data argument (if present). Hence, pixmap does the expected when given a matrix or an array.
  • data is rescaled to [0,1] for RGB and grey, and coerced to positive integers for indexed.
  • col can also be a function like rainbow()

pixmap 0.1-2

• Fixed bugs in plotting, read.pnm and write.pnm which confused dimensions (rows versus columns), but together let plots look OK.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.