5 - make dash length available
7 - SlantFont & Co support
8 - keep an eye on PEP 324 (popen 5): it could make the texrunner much easier
9 - newline removal when not disturbing texmessages only
11 - common bboxes for different graphs
12 - 3d graphs, circular graphs
13 - axis painter labelattrs=None + automatic axis partitioning leads to no valid partitioning
14 - when all titles are None, a graph key currently raises an exception
15 - translatecanvas should be the default in graph.style.symbol
16 - graph.style and graph.data modules
17 - exceptions in drawsymbol & friends...
18 - fix docu (or code) of gridattrs functionality of axis painters
19 (how can one, e.g. draw a grid at the ticks and not at the subticks)
21 - use csv module (new in 2.3)
22 - Check for "inf" and "nan" in datafiles.
23 (When plotted, the graph does not complain, but the postscript will be broken)
25 - add styles using curves instead of lines
26 - add "steps" style for histogram-like plots
28 - contructor should only take a texrunner keyword argument
31 - stroking of patterns does not work in PDF
32 - patterns call the outputPS method in registerPS and have no writer at that
33 time -> rewrite this code
34 - style and color module:
35 - support modification of existing styles via __call__
37 - height -> getheight, ...
39 - might be moved into the graph
40 - perform calc by means of Python itself (see eval code in graph.data, but
41 we should use compiled code instead of eval)
43 - support single-character mode
45 - what should we do for palette when only one entry
47 - is the early conversion with unit.topt unit-modification-save?
49 - move numeric stuff into its own framework (also for box module)
51 - clearly distingish between readers and writers. dvifile, epsfile, etc. might
52 be renamed to dvireader, epsreader ...
53 - support gsave and grestore in some way to make context handling easier?
58 - more details in path constructor: allowed pathels, first pathel...
64 Attributes (clearing merging ) and changeable attributes should be
65 explained at a central place.
66 - section titles: "Axes" -> "Axes - module axis" or similar
68 - linealign and circlealign
70 styles: document what data name the styles accept (require). Try also to be more
71 userfriendly and not to describe immediately the internals of the implementation:
72 (see e.g. class.style.symbol)
75 - describe creation and modification (inplace and ``modify by new'') of
79 - update PyX description in setup.py, README (also update text on prebuilt manual.pdf?),
80 on webpage and later on sf.net project page
84 - move patterns to own module
90 - path parameters and argument handling
91 - the arct to arc/arcn conversion (needed for bbox calculation and for conversion into
92 normpath) has been fixed
93 - document module: new
94 - container classes for document and pages
95 - document.paperformat class (strings are deprecated)
97 - writeEPSfile wraps a canvas in a single page document and performs the output
101 - completely rewritten: support for fonts and patterns has been added
102 - pswriter module: new
103 - separate PS output from canvas
104 - new signature of outputPS methods: writer and context are passed as additional
107 - allow selection on zero range palette (reported by Francisco Borges, cf. bug #1116257)
109 - modifications on __init__.py in graph and axis subdirectories to
110 make "from pyx.graph import *" working as expected
112 - addontop added to stackedbarpos
113 - column -> columnname renaming where appropriate
114 - histogram style added
116 - function needs explicit variable definition (implicit variable definition is deprecated)
117 - column names are inherited by data.data() except when copy=0;
118 unused columns are silently ignored now
119 - dynamic function data on a logarithmic axis uses isinstance check now
120 (although it removes the only (mis)use of axis.inverse, it is a
121 temporary solution only)
123 - extend graph keys to allow for several columns
124 - axis data handling refactoring:
125 - introcuded an axis positioner (module graph.axis.positioner)
126 - introduced anchoredaxis to make axis data and positioning local to a graph
127 - linkedaxis is a special version of anchoredaxis and is generic
128 (it uses the new linkpainter provided by an axis)
129 - unification of split and bar axes;
130 removed some black magic in baraxis in favor of a nestedbar axis
131 - x linked to x2 etc. is now possible
132 - axis.inverse was removed (the only place it was (mis)used was by a function)
134 - allow to transform axis after layout
135 - [xy]axisat arguments in the constructor to easily move [xy]-axes
136 to a position defined the orthogonal axis
137 - remove axispos (use the axis dictionary now, since it now contains
138 anchored axis instances and those have shortcuts for the axis positioner
140 - prolog module: deleted (replaced by resource module)
144 - tfm->dvi conversion rounding bugfix
145 - fix parsing of empty strings ("") in fontmap files (reported by John Owens, bug #1218983)
146 - changed requirements to python 2.1:
147 - nested scopes are needed without fallback solution by the path module
148 - use warning module for warnings
150 - support for halign of boxes and content of boxes (see halign example)
151 - take units xscale into account in parbox
152 - messageparser for replaced fontsizes: Warning -> implemented by texmessage.fontwarning
153 - messageparser for size differences at the end: Warning not Exception -> implemented by texmessage.fontwarning
154 - messageparser for overfull/underfull vbox/hbox: Warning not Exception -> implemented by texmessage.boxwarning
155 - dvicopy flag removed
156 - allow argument of set to be None
157 - rename nomathmode and nophantom to clearmathmode and clearphantom
159 - the very old tex module finally got removed completely
161 - linewidth is no longer a unit.length subclass but expects a such as first argument
163 - correct EOL handling while reading DSC's (reported by Markus Meyer)
164 - pattern module: new
165 - moved canvas.pattern to its own module together with the new PDFpattern class
166 - add some default patterns: hatched and crosshatched
168 - improve the smoothing deformer
169 - add a parallel deformer
170 - update address of FSF all over the place
175 - EPS header fixed (reported by Russell Lang, cf. bug #1065099)
177 - use CURDIR instead of PWD (reported by David M. Cooke, bug #1070285)
179 - support windows line endings (patch by Hans-Andreas Engel, cf. bug #1071160)
181 - line attributes handling fixed (reported by Andrea Riciputi)
182 - fix typos in predefined symbols (reported by Andrea Riciputi)
183 - cut column name list at the max. number of columns (reported by Arnd Baecker)
185 - add INDEX and README files to distribution
186 - new errorbar and julia example
188 - pdf snippets for tipa based phonetic transliterations
193 - new module for inclusion of bitmap images
195 - names of local and member variables now follow the naming convention of
196 having a _pt suffix when containing lengths in points
198 - names of local and member variables now follow the naming convention of
199 having a _pt suffix when containing lengths in points
200 - enlarge was misspelled as enlarged
201 - renamed _bbox -> bbox_pt
202 - new bbox method center, which returns the coordinates of the center
204 - enlarge and enlarged do no longer interprete unqualified lengths as
207 - unit.cm, unit.t_cm, etc. are no longer sub classes but instances
209 - never convert implicitly into visual/width, etc. lengths (this is more
210 about usage of the unit module in various other modules) (TODO: update
212 - support for string initialization removed
213 - support for initialisation with other length removed
214 - lengths can now be divided by other lengths (as suggested by Michael Gruber
215 and Magnus Lie HHetland)
217 - postpone reading of fontmap files until TeX/LaTeX is started
218 - sign of font number in dvifile (reported by Michael Gruber)
221 - added new classes page and document for multipage PostScript output
222 - apply deformers (instead of trafos) in draw method
224 - decrease interval for dotted and dash-dotted lines for better visual
226 - setup.py and distribution:
227 - create siteconfig on install to store positions of the shared data
230 - graph style + data reorganization
231 - modularization of the graph styles by separating data handling and drawing tasks
232 - several graph styles can now be combined together
233 - graph data can internally now combine different data sources
234 (by that, some nasty side effects could have been removed)
235 - enum -> num renaming
236 - allow for horizontally and vertically centered graph key alignment and a key background
237 - fix bug that graph was not finished automatically when a bbox was specified
238 manually (reported by David Barton)
240 - pathel -> pathitem, etc. renaming
241 - methods accepting a parameter value / arc length now also allow the user to
242 pass a tuple (subpath, param) / (subpath, arclen)
243 - normpath constructor no longer accepts a path or normpath as argument but only a list
244 of normsubpaths. Use the new normpath method of the path instead to construct a normpath
246 - normsubpath can now deal with short (i.e. shorter than epsilon) segments correctly
247 - the intersect and split methods of normpath and normsubpath have been completely rewritten and
248 now take the accuracy epsilon correctly into account. Note that for a closed subpath the
249 split function now returns the segment containing the closing point as first element
250 in the result list (before, it was returned as last element).
251 - normsubpathitems and normsubpath now implement much more methods also provided by
252 path and normpath instances
253 - normpath.append no longer accepts pathitems but only normsubpaths
254 - deformer module: new
255 - moved cycloid and smoothed from deco into deformer
257 - handle "BoundingBox: (atend)" (cf. bug #945621 reported by Jim Boyle)
258 - kpsearch option to search for file using the kpathsea library (contributed by Michael Gruber)
260 - PSCmd and PSOp are now joined in a new class canvasitem
262 - decorated path no longer allows modification of its path
263 - new method excluderange which allows to remove certain parameter ranges from the stroked path
264 - additional canvas provided by decorated path is now called ornaments
265 - constriction=None now indicates an arrowhead without constriction
267 - trafos are now deformers
269 - a bunch of bargraph examples have been added
274 - fix errorbar range adjustment
275 - fix empty tick lists bug (reported by Marko Vendelin, cf. bug #977323)
276 - graph/style module:
277 - symbolline drawing order in graph key (cf. bug #990687)
279 - access to builtin list (reported by Marcus Mendenhall, cf. bug #1042458)
284 - fix drawing with background
285 - fix insertion of a zero length path when the whole line is outside
286 the valid axis range (reported by Marko Vendelin)
288 - include source for faq and manual
289 - distribute the pdf instead of postscript (manual, faq, examples)
294 - fixed title=None + graph key issue reported by Gabriel Vasseur
295 - graph.axis.painter.plain -> graph.axis.painter.regular
296 (as it was in parts of the documentation already)
297 - changeable-gridattrs-become-None-bug fixed
298 - graph style cutting outside lines (double-)fixed
302 - fixes missing install of the graph and axis directories introduced in 0.6
303 - some minor updates to the faq
308 - reorganisation of the graph structure finished (there might be some
309 small pending issues, but the basic restructuring is done with this release):
310 - graph splitted into several modules in pyx/graph and pyx/graph/axis
311 - painters are using the new attribute scheme including changeable
313 - graph styles rewrite
315 - axis zeropath feature has been removed
316 - mergelabels removed; linpart doesn't have a label argument anymore
317 - names and texts removed from baraxis
318 - iteration on graph style, when it is used several times in the same graph
319 - symbols + lines -> symbollines; symbols do not allow setting lineattrs,
320 and lines not symbolattrs
321 - manual line clipping (do not include unneeded line segments when the
322 axis range is set manually etc.)
323 - automatic file key titles
324 - graph.data now also includes the old data module
325 - data.list adds (by default) a line number like data.file
326 (thus regular columns are counted from 1)
328 - added new pathels multilineto_pt and multicurveto which allows to specify
329 a list of points and can thus be much more efficient
330 - internal methods return coordinates in pts
331 - arclentoparam returns only parameters not total length
332 - added path.arclength_pt, path.at_pt, path.begin_pt, path.end_pt (and
333 correspondingly for normpath)
334 - complete refactoring of the normpath class: normpaths now consist of
335 normsubpaths which themselves consist of normlines and normcurves This is
336 much more convenient for any routines working with normpaths.
337 - reversing of closed sub paths does not change the first point of the sub
339 - renamed: arclength -> arclen
340 - renamed: lentopar -> arclentoparam
341 - renamed: glue -> joined
342 - normpath now supports join, the in-place version of joined
343 - path and normpath method raise exception instead of returning None
344 when parameter is out of range
345 - the accuracy epsilon can now only be specified in normpath and normsubpath
346 constructor and no longer in arguments of path and normpath methods
347 - negative parameters are no longer supported in path and normpath methods
348 - path and normpath methods which accept parameter value param now
349 alternatively accept an arc length
353 - arrow heads are no longer stroked (as suggested by Magnus Lie Hetland)
355 - writeEPSfile deprecates writetofile
356 - internally, write methods are renamed in outputPS
357 - canvas constructor no longer accepts variable argument list but
358 expects a list of attrs as first argument (defaulting to []) and
359 a texrunner as second argument (defaulting to text.defaulttexrunner)
360 - set, draw, stroke and fill no longer return self, i.e., the canvas, but None
362 - added inplace add (__iadd__), enlarge and transform methods
363 - callers use inplace add where possible now (yielding a considerable
365 - "undefined" corners of bounding boxes are no longer supported which makes
366 the bounding box operations much more efficient.
368 - renamed _xxx -> xxx_pt
370 - removed showbbox argument of epsfile class
372 - default handling of texmessages as in the new attribute scheme
373 - multiple insert bug fixed
374 - made left, right, width, height, depth information available (x length
375 not taking into account box transformations)
376 - ignore tex message "Please type a command or say `\\end'"
377 - added textboxes that are sequentially filled (experimental)
379 - mandel.py (contributed by Stephen Phillips)
381 - length comparision (David Beach)
385 - switched to the new parser using pythons parser module
387 - removed, it all lives in the graph.data module now, while before it
388 was splitted into two separate modules
390 - not imported by default anymore
391 - obsolete warning when importing this module
395 - include missing c-files for optional extension modules
397 - fix unpaired BeginProcSet/EndProcSet in font enconding
400 - setup.py and distribution:
401 - allow customization of the extension modules built (via setup.cfg)
402 - disable building pykpathsea module by default
403 - more detailed description of install process in INSTALL
404 - provide more information and pointers to other files in README
405 - include example data files in distribution (suggested by Andrea Riciputi)
406 - force dvips to write ps files instead of printing them (suggested by Otto Tronarp)
407 - includ pyxfaq.pdf in distribution
409 - improved is-readable test for lfs files and pyx.def file
410 - explicitly quit (La)TeX in cleantmp (helps when quitting with <Ctrl>C)
411 - showwaitfortex implemented following a suggestion by Fernando Perez
412 (waitfortex is increased to 60 seconds now)
413 - support of TeX extension --ipc for reading dvi results while TeX keeps running
414 - configurable font mapping files (via pyxrc or parameter of the texrunner constructor)
415 - markers to get access to positions within TeX expressions
416 - fix: allow for e-tex in texmessage.start (reported by Andrea Riciputi)
417 - fix: print warning at syntax errors in font mapping file and continue (cf. bug #795271)
418 - remove limitation on number of fonts in dvi file
419 - added native virtual font support
420 - dvicopy support not needed anymore (it is still available, but obsolete and
421 removed from the documentation)
422 - do not include too many glyphs in the eps file
423 - _xxx -> xxx_pt renaming
424 - dvifile module (NEW):
425 - separated from the text module
426 - dvifile class returns standard pyx canvas instances on readpage
428 - removed manualpart and partitioners mix keyword
429 - results of the splitting at "=" in graph.function were not stripped
430 - skip title=None in key (cf. bug #821284), properly align a single key entry
431 - another (the last?!) axis redesign: axispos -> class of its own
432 - some axispos name have changed slightly (zeroline -> zeropath etc.)
433 - tick/data-vmin/vmax removed
436 - minor enhancements in exponentionaltexter
437 - axes alongs paths including a set of examples
438 - mixing a partitioner and manual ticks by two distinct keyword arguments now
439 - _xxx -> xxx_pt renaming
440 - part -> parter renaming
442 - stroke, fill, draw, set and insert do no longer accept variable length argument lists but
443 an attribute list as last argument
444 - stroke and fill now support trafos (TODO: documentation)
445 - uppercase version of a4, a3, ... paperformats
447 - new module for loading PyX configuration information
449 - automatically import main modules into pyx namespace as suggested by Fernando
452 - check for sorting of parameter list passed to path.split method
453 - _xxx -> xxx_pt renaming
455 - contains decoratedpath and decorators from canvas module
456 - all predefined decorators are instances now (deco.stroked is thus ok) and
457 attributes have to be passed explicitely, e.g., deco.earrow.small(attrs=color.rgb.red)
458 and deco.stroked([color.rgb.blue])
459 - style module (NEW):
460 - contains all line- and fillstyles which formerly had been defined in the canvas module
461 - dash now supports relative dash lengths (as suggested by Otto Tronarp)
463 - fixed incorrect handling of - (for instance -x**2 was not negative)
465 - contents have been moved to the (obsolete) tex module, which was the only user anyhow, and
466 the module itself was removed
468 - new fallback solution in pure python
469 - bugfix: pyxadapt.h needs to open files binary under Windows (reported by Gary Pajer)
471 - _xxx -> xxx_pt renaming
473 - _xxx -> xxx_pt renaming
477 - "in" to "inch" in paperformats
479 - fix pyx.def hack occuring whenever \ProcessOptions* was used by a package
481 - implement different file formats for Python version of module
483 - python fallback solution should behave the same way as c extension module (closes SF bug #799182 reported
484 by Marcus Mendenhall)
486 - added "connector" to __all__
490 - separate texter out of the axispainter
491 - axis/partitioner/texter/painter/axispos redesign & interfaces
492 - tick.text is renamed to tick.label
493 - ticks and labels are renamed to tickpos/tickdist and labelpos/labeldist in partitioning
494 - ticks can be used in the part to mix a partitioner with some manual ticks
495 -> manualpart and the mix technique is not needed anymore
496 (both things are still available and working, but they will be removed in the future)
497 - _ensurefrac is implemented inside the frac constructor now; initialization is possible by:
498 - a (enum, denom) tuple now (previously there were two arguments)
499 - a string (as before via _ensurefrac)
500 - exponential strings are allowed as well (e.g. "1e10" etc.)
501 - a float (precision is determined by floatprecision -- the number of decimal places)
506 - reset() method for the texrunner
507 - automatic restart of a TeX instance with the same preamble (preamble changes are not possible)
508 - texmessage.loadfd for accepting font description loading
509 - don't bail out on width_index == 0, but mark character invalid instead
511 - support for specials; pyxgraphics flag
512 - support psfonts.map: font names, font encodings
513 - bugfix \def\ProcessPyXBox -> \long\def\ProcessPyXBox
514 - improved lfs handling
516 - full documentation via doc strings
518 - some preliminary version
520 - multiple radii (up to two per point) and softnesses
521 - ensurecenter added --- do we always force the creation of a center?
523 - lentopar methods added including some tests
525 - new parameter bbox allows to override the bounding box of the eps file
529 - derive TFMError and DVIError correctly from exceptions.Exception
530 - close files and pipes, if they are no longer used (thanks to Marcus Mendenhall)
531 - remove DeprecationWarning in Python 2.3 (thanks to Marcus Mendenhall)
533 - correct rounding algorithm (Michael Schindler)
535 - refer to the graphs texrunner instead of the defaulttexrunner (cf. #728209)
536 - rounding towards zero bugfix in autolinpart
537 - log axis range rating bugfix
539 - addarg bugs (#738724)
541 - fix mixing up of height and width in scale calculation
542 - and various other fixer here and there
546 - fix bug in dvi rule code where width was height
547 - fix preamble attribute checking bug
548 - fix texmessage.load pattern search instead of pattern match bug
549 - renamed vbox to parbox (was done in 0.3 partially only)
551 - allow for tuples in arguments of the data class
552 - convenience: exchanged order of named parameters in data.data
554 - convenience: allow for part=None in _axis (base of linaxis and logaxis)
556 - added a latex example (requested)
557 - added a attributechange example (requested)
558 - added back the integral example (requested; prior PyX 0.3 it was part of the user manual)
559 - small change in vector example (allow for the access to the texrunner)
560 - examples included in source distribution
562 - correct arrow template calculation for very short paths
566 - new easy to use example generation (will hopefully lead to nice examples)
568 - new module for handling of convex polygons (taken out of the graph module)
570 - new module containing a collection of helper functions (taken out of the graph module)
571 - moved the attrlist into helper -- as plain functions; attrlist becomes obsolete
573 - new module: a new and preferable integration of TeX/LaTeX
575 - strip glyphs from pfa/pfb-fonts
576 - there is a C implementation taken from pdftex
577 - fallback solution via an external program (pfb2pfa)
579 - (partial) C binding to libkpathsea
580 - fallback solution via an external program (kpsewhich)
582 - removed some code duplication (various axis painters)
583 - use text module instead of the obsolete tex module
584 - allow for tailing zeros of automatic generated labels
585 - allow for missing data in bar graphs -> skipmissing parameter
586 - remove the support for variables given as keyword arguments in data constructor
587 - use context instead of extern for extern variables and functions
588 - graph keys; titles in data/function/etc.
590 - new classes for visual and width lengths, aliases for user length (u_pt = pt)
591 - all length classes have now by default a quantifier 1 (instead of 0), such that,
592 for instance, 5*unit.t_cm() == unit.t_cm(5)
593 - default_unit now has to be set via unit.set. For instance: unit.set(defaultunit="m").
594 - convert_to is now an internal function, which moreover does not longer accept tuples or lists
596 - new class _bbox (the former bbox) which accepts points in the constructor. This is used
597 for internal purposes.
598 - the bbox constructor now accepts user lengths in the constructor.
599 - new methods height, width, top, bottom, left, right
600 - ll & ur ???, what about ul and lr -> ugly!
601 - enlarge (was enhance) now allows selective enlargement to the left, bottom, right and top
602 - output HiResBoundingBox
603 - never reduce bbox upon output
605 - new constructor signature, more in line with rest of PyX:
606 epsfile(x, y, filename, **additional_args)
608 - removed additional column support in addcolumn; removed _addcolumn
609 - line reduction for datafile like the every parameter in gnuplot
611 - new way of PS prolog generation that writes only necessary parts
612 - added support for patterns
613 - canvas.insert() now supports arguments
614 - bbox of canvas can be specified in writetofile command explicitely
615 - writetofile does not return self anymore
616 - arrow template now uses intersection with circle to get size right
617 (as per a suggestion by Michael Schindler)
620 - changed the handling of extern functions and all variables
622 - gradient renamed to palette
624 - problem with sizefile on windows (tex module)
625 - allow for strings in graphxy's width and height; allow for width only (graph module)
626 - disable rating for labelattrs equals None (graph module)
627 - defaultstyle selection, when a list of data is provided to the plot function (graph module)
628 - traverse when adding functions as arguments of operators (mathtree module)
629 - allow for extern functions in addcolumn (data module)
630 - just one common place for the version number
631 - fix incorrect exception name MathError (path module)
632 - prevent double return of intersections for closed sub paths
637 - allow division of length by numbers
639 - new transformation: slant
640 - renamed all trafo methods to use the participle (i.e translate->translated)
641 - the name of all trafo subclasses are verbs (i.e. translation->translate)
643 - mark class renamed to symbol
644 - (text-)box distance measurement
645 - moved axis partitioning to axis and axis painter
646 - automatic axis partitioning (now officially: general cleanup, distance measurement, documentation)
648 - baraxis, baraxispainter, and bar style
650 - previously named datafile module
651 - class "_datafile" renamed to class "data"
652 - class sectionfile added
655 - extern variables and functions (support in graph.function, graph.paramfunction and data.data)
658 - deferred to Version 0.3
659 - running TeX "on the fly" is basically implemented
661 - transformation bug (#624068, trafo module)
662 - canvas transformations (canvas module???)
663 - textbox alignment (graph module)
664 - return linewidth upon calculation with linewidths (unit module)
665 - allow column number variables with several digits
667 - british and american spellings (color module, graph module)
668 - small logo modifications