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