ChangeLog 30.8 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280
Changes in 3.0:
 * New 3D support for plotting points, functions, surfaces and volumes
 * Add --export-option parameter for command line exporting control
 * Add templates in preferences for exported file names, add %PAGE00% and
   %PAGE000% options for zero-prefixed page numbers, and change %PAGENUM%
   to %PAGE%
 * In export dialog allow user to specify arbitrary pages to export
 * Change miter limit for lines, which fixes some problems when exporting
   arrow to PDFs
 * Use flat cap on lines with arrows, to avoid line showing through head
 * Support datetime64 and string/unicode characters in npy/npz import
 * Add \hat LaTeX support

Changes in 2.2.2:
 * Fix zoom for polar, ternary and broken axis plots
 * For mean and add dataset operations, allow datasets to be different
   lengths, expanding to the maximum
 * Fix broken axis if the ends of the axis are not the edge of the plot
 * Fix image embedding in Python 3
 * Update h5py to newer version in Windows binary (supporting HDF 1.10.1)
 * Fix 'fractions' and 'percentages' units in polar plot
 * Add LANG(mapping) function when evaluating labels, allowing translation
   of strings in documents

Changes in 2.2.1:
 * Fix mouse control for Key widget for different zoom levels
 * Correct coordinates shown on bottom of screen for different zoom levels
 * Fix zoom into graph functionality for different zoom levels
 * Fix plot picking for different zoom levels
 * When choosing a text dataset, fix the mini dataset browser
 * Fix crash when previewing in binary import using Python 3
 * Fix crash when picking points in certain circumstances

Changes in 2.2:
 * Notify user updates to Veusz are available
 * Add support for high DPI displays
 * Change zoom code scale plots, rather than changing the size of elements,
   so that plots look more similar at different zoom levels
 * Send automatic anonymous feedback to developers giving software version
   information and counts of the features used.
 * Fix colormap sequence and randomize plugins
 * Change hyphen to minus sign when using standard C formatting in tick labels
 * Fix for Chinese and Korean characters in filenames on Windows
 * Sort DatasetPlugin arguments for diffing
 * Fix bitmap EMF export in Python 3
 * The redo operation can now be done multiple times
 * Hide fully transparent objects, rather than trying to draw them
 * Fix bug report script in Python 3
 * Fallback for paint device metrics, fixing bugs when PyQt is older than Qt
 * If barplot positions setting is blank but set, treat as unset

Changes in 2.1.1:
 * Fix dashed/dotted custom lines in EMF output
 * Fix Fields in dataset plugins
 * Fix data import plugins
 * Use deprecated sipconfig if available to find SIP files
 * Fix problems with opening files using command line arguments with
   some encodings
 * Hide splash if program takes too long to start

Changes in 2.1:
 * If file cannot be imported on document load, ask user for a new filename
 * Only open HDF5 files in readonly mode
 * Do not simply log errors when loading data with ImportPlugins
 * Cleanup of stylesheet, setting and widget code
 * Fix filename chooser and embedding in ImageFile widget
 * Force C++11 compilation on Unix
 * Fix document reload, export warning and unsafe loading dialogs
 * Parameterize number of line steps in covariance widget
 * Report error line number for csv reading exceptions
 * Convert values from expressions to 1D arrays when required
 * Take account of endsize setting for bar plot error bars
 * Remove dependence on sipconfig in build and add sip build parameters

Changes in 2.0.1:
 * Fix crash setting manual bins in histogram dialog box
 * Add missing DLLs to Windows installer
 * Fix version number in Mac OS package
 * Add new colormaps (thanks to yingchaolu)

Changes in 2.0:
 * Update to PyQt5 and Qt5
 * Use Ghostscript to write EPS/PS formats
 * Use pyinstaller for MacOS builds instead of py2app
 * Windows build requires Windows 7 minimum
 * MacOS build requires MacOS 10.10 minimum
 * Move to using Sphinx for documentation
 * Add Makefile for documentation and remove build script
 * Use isfinite() on FreeBSD
 * Drop old veusz_listen script in favour of veusz --listen

Changes in 1.27:
 * New FITS import code and user interface, allowing much more
   flexible and convenient FITS importing
 * Fix half pixel error in linear WCS FITS support
 * Save custom definitions after importing data, to allow customs
   to depend on datasets.
 * Add preference for loading translation file
 * Fix logical errors in transparency in image widget
 * If cannot find translation or plugin, do not end app after showing error
 * Fix for Python 3 for reloading datasets

Changes in 1.26.1:
 * Change homepage in program to new site https://veusz.github.io/
 * Change new version checking to use veusz.github.io

Changes in 1.26:
 * Add color themes and automatic coloring of widgets
 * Custom color definitions
 * Improved custom definition dialog box
 * Fix loading translator via command line
 * Show horizontal error lines/fills in key
 * Use iMinuit if available for fitting
 * Fix for dataset plugins returning nD datasets
 * Add editable automatic axis range, including support for shrinking
   range (-X%), percentage ranges (X-Y%) and limits (<X% and >Y%)
 * Fix for key if invalid dataset
 * For log scaling on image widget, show invalid values as being transparent

Bug fixes in 1.25.1:
 * Fix 2D dataset expressions
 * Fix 2D X,Y,Z dataset expressions
 * Better error checking in Gnuplot import plugin
 * Catch non-single character delimiters for 2D CSV import
 * Fix SETTING(), BASENAME(), FILENAME() and DATA() in function evaluation
 * More self tests

Changes in 1.25:
 * Add n-dimensional dataset support
 * Add GetColormap command to return RGBA values
 * Add Colormap sequence plugin for choosing colors of widgets
 * Fill above/below setting shown in key for xy widget
 * Add Covariance widget for plotting covariance ellipses
 * Add lineup, linedown, lineleft and lineright markers
 * Add lineup, linedown and lineextend arrows

Bug fixes:
 * Fix pick indices if non-finite values in data
 * Fix drag and drop of files into Veusz on Windows
 * Raise exception if functions in console request input, avoiding hang
 * Initialise unsafe_mode, in case Veusz used in PyQt embedding
 * Fix crash if setting default setting in default setting window
 * Fix crash in Clone() command on python3

Changes in 1.24:
 * Text labels can now include Python expressions inside %{{ }}%
 * Added built-in functions DATE([fmt]), TIME([fmt]), FILENAME() and BASENAME()
   when evaluating expressions, which are useful when used in labels
 * Added Python dictionary ENVIRON when evaluating expressions, to obtain
   values from environment variables
 * Added DATA(name, [part]) function to expression environment for accessing
   values from datasets, useful for function evaluation or labels
 * Added SETTING(path) function for expression evaluation to obtain values
   of settings
 * Added ESCAPE(text) function to environment, which allows LaTeX special
   characters to be displayed in labels
 * Add fractions and percentages units to polar plot
 * Allow number of spokes to be varied in polar plot
 * Widgets can be clicked holding down shift or ctrl, to add or toggle their
   selection
 * Add K. Moreland's cool-warm colormap (thanks to S. Richardson)
 * Added further green-map, blue-darkred, blue-darkorange, brown-blue and
   blue-orange colormaps from Oregon geography dept.
 * Add logarithm and exponential dataset plugins
 * Add Wipe() command to embedding interface to clear document
 * Add File->Reload menu option to reload from saved document
 * Add tooltip to items in FieldWidget showing widget path

Bux fixes:
 * Fix transparency with bar plot
 * Use getcwdu() for python2 to avoid bugs combining paths
 * Handle inf/nan when converting to human readable form in plots
 * Fix CreateHistogram on command line without binparams parameter
 * Handle empty 2D dataset import with grid at edge enabled
 * Do not allow error bars on imported CSV non-numeric data
 * Handle missing argument in \size
 * For data edit dialog, allow 1D dataset to replace 2D dataset
 * Crash if zoom to be height when height is zero
 * Fix problem with 2D import if error message is in unicode
 * With axis-function widget catch result if greater than 1 dimension
 * Fix cloning for datasets with / in name
 * Fix crash in embedding if plot window closed while rendering in progress
>>>>>>> master

Changes in 1.23.2:
 * Add data clipping dataset plugin
 * Fix boxplot with manual settings
 * Fix plugin normalize and divide by maximum for new numpy versions
 * Avoid error in 2d data creation
 * Fix problems with unicode characters in plugins in Python 2.x
 * Clip axis to sensible range -1e100->1e100
 * Handle unicode errors from operating system in Veusz scripts
 * Handle unicode errors in error reports
 * Fix crash in \color

Changes in 1.23.1:
 * Enable compression in exported files (Benjamin K. Stuhl)
 * Fix saving histogram datasets
 * Add option to "thin" error bars plotted
 * Fix label colour in contour labelling
 * Remove use of deprecated Qt functions
 * Fix clone widget tools plugin
 * Fix EPS/PDF crash with broken axis widget
 * Do not crash filter plugin if using date datatype
 * Avoid crashes in normalise, subtract minimum and divide maximum plugins
 * Avoid crash in image widget
 * Avoid issue in identifying spacing in 1D->2D conversion
 * Add Gnuplot 2D data import plugin (Joerg Meyer)
 * When loading data from import plugins, provide default values
 * Remove some deprecated Qt uses
 * Fix issue when plotting non-plain datasets with nan values

Changes in 1.23:
 * Add new export dialog box which can export multiple pages and
   modify the export options
 * Add new dataset filtering dialog
 * Add cubehelix() functional colormap
 * Add -stepN suffix for colormaps to make arbitrary numbers of steps
 * Fix incorrect colors in log images and log color scales
 * Fix unsafe commands not being run

Minor changes
 * Fix incorrect use of None in (x,...) pattern
 * Catch crash if plotting nan/inf value in log space
 * Fix getData in dataset plugin for dimensions=2
 * Catch error in too large float to date time conversion
 * Catch disappeared file during import
 * Index error fixed in pickable
 * Catch error in data edit dialog if 2d dataset size changes
 * If root widget is selected with others, do not error on hide
 * Fix undo for dataset histogram with a single output dataset
 * Fix error resizing ellipse with a tuple width, height or position setting
 * Only use finite values in histogram
 * Rewrite Line/FillSet setting controls for internal consistency and to fix
   new style extended fills
 * Do not crash with log date-time axes
 * Also ignore non-finite values when fitting with minuit
 * Avoid syntax error with invalid colormap
 * Updates to setup.py and desktop files
 * Recreate dataset now works if dialog hasn't been opened already
 * Restore dock layout when using Python3
 * Fix undo after loading stylesheet/custom definitions
 * Support unicode example filenames
 * Clip bezier lines to avoid problems with log axes

Changes in 1.22:
 * Add option to ignore white space following delimiters when importing CSVs
 * Allow x/yedge and x/ycent to be inverted to change data order
   when import 2D data
 * Rewrite of widget tree internals to fix miscellaneous bugs
 * Optionally use astropy for SAMP
 * Add setting to extend the python import path
 * Add option to select widgets with same name on page
 * Resize rectangular shapes keeping other corners fixed. Old symmetric
   resize behaviour is retained if shift is pressed.

Bug fixes
 * Fix faulty caching of datasets expressions
 * Do not auto mirror axes if shared axis placed in grid and ignore
   other hidden axes for mirroring purposes
 * gridatedge 2D import option inverts values in rows
 * y values for 2D datasets in data edit dialog are inverted
 * Fix crash when constructing 2D dataset with constants
 * Fix crash when interpreting date values with unicode
 * Fix for crash when moving ellipses on broken axes
 * Fix crash when editing datetime data
 * Fix crash when renaming 2D datasets in dataset editor
 * If 2d dataset does not exist, don't crash when using colorbar
 * Ignore HDF5 data types which are not supported by h5py
 * Catch recursion limit errors properly
 * In sort and text sort plugins, clip length to minimum
 * Do not plot functions with more than 1D in function plotter
 * Catch error for shapes widgets with no coordinates
 * Handle zero length datasets in subtract minimum or mean
 * Clip range of zoom between 0.05 and 20x
 * Catch errors in CSV date format
 * Do not allow 2D datasets to be used for labels in label widget
 * Handle unicode data correctly in clipboard data
 * Fix data import dialog for fits files in unicode paths

281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330
Changes in 1.21.1
 * Add swap option on keys, swapping symbol and text

Bug fixes
 * Fix missing labels if colorbar out of plot
 * Preserve tags when reloading datasets
 * Handle nan/inf/-inf when as value in UI
 * Remove dependence on pyqtconfig in build system
 * Handle errors properly in 2D CSV read
 * Do not crash if selecting siblings of document widget
 * Fix accidental modification of data by line widget
 * Improve PDF bounding box rounding to prevent chopping near edge
 * Fix function plotter in embedding
 * Fix astropy version checking
 * Fix crash for error bar in CSV with blank previous column

Changes in 1.21:
 * Add HDF5 saved document format
 * Add filled curve error bar style
 * Add fill left/right options for point plotter
 * Add filetype filters to import dialog file browser dialog
 * In file completer in import dialog, use selected tab as filter
 * Move code to use PyQt new style signals
 * Add a master color setting for xy point and nonorthpoint plot
 * Line labelling algorithm much improved in contour plots, which
   rotates text to match line angle and avoids label overlaps
 * More accurate axis tick label bounding boxes, allowing rotated
   labels to be placed close together
 * Add reflection and rotation options to vector field widget
 * Switch to scientific notation earlier when showing float settings

Bug fixes:
 * Direction combo did not work in import dialog
 * Saving text datasets did not work in Python3
 * Fix partial dataset evaluation issue when loading documents
 * 2D non-regular pixel spaced images give error if clipped in y
 * Handle Unicode quoted characters in simple text data files
 * xcent/ycent in Dataset2D import plugins were ignored
 * promote_tab broken for import plugins
 * Full screen view when all pages are deleted
 * Crash with empty dataset and boxplot widget
 * Fix copy and paste of datasets
 * Python 3 resizing axis bug
 * Crash if picking/zooming on document with no pages
 * Crash if reediting histogram dataset with blank output entry
 * Use end of text formatting string beyond format specifier
 * When writing SVG text as text, use xml:space="preserve" to
   avoid missing whitespace
 * Embedding socket issue on Python 3.4+

331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503
Changes in 1.20.1:
 * Include free-desktop appdata, MIME and desktop files
 * When plotting xy widget filled error regions, plot line on top

Bug fixes:
 * Fix embedding interface startup problem in 1.20
 * Additional embedding interface fixes for Python 3
 * Fix crash in tutorial if flashing widget deleted
 * Fix polar plot crash with reverse minumum and maximum radii
 * Fix crash when changing range of broken axes interactively
 * Fix object deletion crash in setting menu
 * Check output dataset is not same as an input for histograms
 * Fix for compilation on Qt 4.6
 * Catch socket errors on embed client
 * Fixes for formatting strings, including fixes for arguments of
   the extended %Vg format and properly supporting %%
 * When restoring window position, do not restore offscreen

Changes in 1.20:
 * Add HDF5 file data import
 * Allow expressions to be edited for linked 2D datasets
 * Add support for 2D datasets with irregular gridpoints
 * Add 2D data CSV import
 * Allow safe renaming of linked datasets
 * Support importing text from FITS files

Bug fixes:
 * When capturing data from a file/named pipe, do not stop when no
   more data are available
 * Fixes mangling of text in saved files using Windows binary
 * Fix encoding for standard file import
 * Fix FITS import for python3

Changes in 1.19.1:
 * Add option to disable scaling of marker border with point scaling
 * Implement label at-minimum/at-maximum for ternary plot
 * Add border and background fill settings for text label widget
 * Enable FITS support with astropy

Bug fixes:
 * Fix broken drag and drop in documents
 * Fix deleted C/C++ object crash when using undo and in tutorial
 * Fix compilation in MSVC for Python 3
 * Remove warning/error in compilation in gcc in SUSE
 * Add Python version classifiers
 * Fix document icons in Windows binary
 * Error bars can be plotted incorrectly for histogrammed data

Changes in 1.19:
 * Make code compatible with python3
 * Separation of python module and resources in source package
   (packagers may need to consult INSTALL)
 * Move to v2 of PyQt API
 * Remove deprecated numpy API from helpers module
 * Allow FITS dataset names to be blank if prefix/suffix are not
 * New ast-based code security checker
 * Picker uses 1-based index for consistency
 * Allow non-text datasets to be used for labels
 * Add number->text conversion dataset plugin
 * Add binning dataset plugin
 * Allow more significant figures in float values
 * Intelligent choice of significant figures when interactively
   changing axis range
 * Decrease minimum range of axis
 * Add notes setting to document, pages and graphs

Bug fixes:
 * Fix crash if other linked axis not initialized
 * Fix crash if trying to edit non-editable datasets
 * Make ignore exception work in error reporting dialog
 * Renaming datasets, widgets and editing data now allow original
   text to be edited, rather than being cleared
 * Fix line positions on broken axes
 * OS X Mavericks - fixes for opening files from finder and fonts

Changes in 1.18:
 * Add support for dataset expressions when plotting
 * Add axis-function widget for plotting axes which have a scale given
   by a function, or are linked to a different axis via a function
 * Add stepped colour maps
 * Support editing multiple datasets simultaneously in editor
 * Add setting to fix aspect-ratio of graphs
 * Add 'vcentre' line step mode for vertical step plots
 * Add internal margin setting for grids to separate sub-plots
 * Add pixel, pixel_wcs, fraction and linear_wcs FITS import
   coordinate system modes
 * Add drop down toolbar button menu to create axis widgets
 * More efficient widget dependency resolution

Bug fixes:
 * Fix reversed 'broken'-axes
 * Do not always draw axes above other widgets (fixes problem with key
   below axis)
 * Fix use of transparency image when plotting non-square images
 * Allow lists passed as xrange and yrange to create 2D dataset
 * Fix FieldBool positioning for plugins
 * QDP import: fix "no" values when used mixed with numbers
 * Remove warning of log images with zeros
 * For embedded mode, always return string for __repr__
 * Workaround for windows appearing behind for Mac OS X
 * Improve property spacing on Mac OS X

Changes in 1.17.1:
 * Allow coloured points for non-orthogonal plots (polar, ternary)
 * Remove unnecessary exception data

Bug fixes:
 * Fix Print dialog
 * Fix command-line "Print" command
 * Fix duplicate axes drawn in grid
 * Fix crash adding empty polar plot
 * Exit properly on Mac OS X with --export option
 * Fix highlighted button icons missing (Mac OS X binary)

Changes in 1.17:
 * Add new broken axis widget with gaps in the numerical sequence
 * Grid lines are plotted always under (or over) the data
 * Shift+Scroll wheel scrolls left/right (thanks to Dave Hughes)
 * Polar plots can have a "minimum" radius and log axes
 * Many more LaTeX symbols added
 * Add SAMP/VoTable support (thanks to Graham Bell)
 * New shifted-points xy line mode, which plots a stepped line with
   the points shifted to lie between the coordinates given
 * Points can be picked to console and/or clipboard
   (thanks to Valerio Mussi)
 * Allow reversed ternary plot

Bug fixes:
 * Fix unicode characters for \circ and \odot
 * Fix for data type of pickable points
 * Fix sort by group crash bug
 * Many crashes fixed
 * Fix width of key when using long titles/and or multiple columns
 * Fix bold and italic output in SVG output

Changes in 1.16:
 * Experimental MathML support
 * Add upper/lower-left/right arrows
 * Add options to clip text/lines/shapes to graphs
 * Add stacked-area option to bar plot widget
 * Draw stacked bar plots top-down for better overlapping line behaviour
 * Axis labels can be placed at left or right of axes, in addition to centre
 * Line widget now has length-angle or point-to-point modes. Better support
   for only specifying some coordinates.
 * Exception dialog records more detailed traceback
 * Use top level windows for non-modal dialogs, giving minimize in window
   and no always-on-top behaviour
 * Zero length vectors and arrows in vector fields are not plotted
 * Add support for strings to be translated
 * Add "Sort" dataset plugin
 * Add "Histogram 2D" dataset plugin
 * Add "Divide by Maximum" and "Normalize" dataset plugins
 * Support for *args and **kwargs for custom functions
 * Custom colormaps can be defined in the custom editing dialog

Bug fixes:
 * Use correct definition of 1pt = 1/72in
 * Workaround for splash screen problem
 * Fix numerous problems reported by pyflakes
 * Histograms fail when saved
 * Fix plot with nan functions
 * Fix failure of self tests on ARM platforms
 * Force pages/documents to have physical sizes
 * Fix crash if deleting multiple datasets in data edit dialog
 * Check dimensions of datasets in SetData
 * Handle better zero bytes in data files
 * Fix error if page size zero
 * Fix error if vector baselength is zero
 * If dataset plugin parameter not given in saved file, use default
 * Fix crash for axes with same minimum and maximum
 * Fix CSV import problem when same dataset has multiple types
 * Thinning markers works when using marker sizes / colors

504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554
Changes in 1.15:
 * Improved hatching:
    - More hatch styles
    - Adjust spacing of hatching
    - Change hatching line style
    - Allow hatching background color
 * Axes will not extend beyond specified min and max values
 * Add options to extend axes by 2, 5, 10 and 15% of data range
 * Ctrl+MouseWheel zooms in and out of plot
 * Full screen graph view mode
 * New dataset plugins
    - Linear interpolation
    - Cumulative value
    - Rolling average
    - Subtract mean / minimum
 * Allow grid widgets to be placed in grid widgets
 * Catch EnvironmentError exceptions on Windows
 * Allow multiple datasets to be selected in dataset browser
 * Allow tagging of datasets and allow datasets be grouped by tags
   in dataset browser
 * Allow text to be written as text in SVG, rather than curves
 * Add DBus interface to program, if DBus is installed
 * 2D QDP support
 * Add setup.py options for packagers
    --veusz-resource-dir : location of data files
    --disable-install-docs
 * Add title option for keys

Minor changes:
 * Use / rather than \ for path separator in saved file names for
   Windows/Unix compatibility
 * Add diamond fill error bar type
 * Add \color and \marker commands to text renderer
 * Support labels on xy datasets if one of x or y datasets missing
 * Reorganise dataset plugin menu
 * Fix links in INSTALL/README
 * Floating point intervals in capture dialog

Bug fixes:
 * Trap case where nan values could be plotted
 * Fix error if website not accessible in exception dialog
 * Crash when min and max of axes are too similar
 * Fix clipping of paths after transform in SVG files
 * Fix crash in picker
 * Fix crash if duplication of characters in CSV date format
 * Fix crash in tool tip in dataset browser
 * Fix GlobalColor error (on certain dark color sets)
 * Fix blocked data import if no descriptor
 * Fix crash if log contours and minimum is zero
 * Bug fix https://bugzilla.redhat.com/show_bug.cgi?id=800196

555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720
Changes in 1.14:
 * Added interactive tutorial
 * Points in graphs can be colored depending on another dataset and
   the scale shown in a colorbar widget
 * Improved CSV import
    - better data type detection
    - locale-specific numeric and date formats
    - single/multiple/none header modes
    - option to skip lines at top of file
    - better handling of missing values
 * Data can be imported from clipboard
 * Substantially reduced size of output SVG files
 * In standard data import, descriptor can be left blank to generate
   dataset names colX
 * Axis plotting range can be interactively manipulated
 * If axis is in date-time format, show and allow the min and max
   values to be in date-time format
 * ImageFile widget can have image data embedded in document file
 * Fit widget can update the fit parameters and fit quality to a
   label widget
 * Allow editing of 2D datasets in data edit dialog
 * Add copy and paste dataset command to dataset browser context menu

Minor and API changes:
 * Examples added to help menu
 * Picker shows date values as dates
 * Allow descriptor statement in standard data files after a comment
   character, e.g. "#descriptor x y"
 * Added some further color maps
 * Draw key symbols for vector field widget
 * Import plugin changes
    - Register classes rather than instances (backward compatibility
      is retained)
    - Plugins can return constants and functions (see Constant and
      Function types)
    - Add DatasetDateTime for returning date-time datasets
 * Custom definitions
    - Add RemoveCustom API to remove custom definitions
    - AddCustom API can specify order where custom definition is added
 * C++ code to speed up plotting points of different sizes / colors
 * Expand files by default in data navigator window
 * Select created datasets in data edit dialog
 * Tooltip wrapping used in data navigator window
 * Grid lines are dropped if they overlap with edge of graph

Bug fixes
 * Fix initial extension in export dialog
 * Fix crash on hiding pages
 * Fixed validation for numeric values
 * Position of grid lines in perpendicular direction for non default
   positions
 * Catch errors in example import plugin
 * Fix crash for non existent key symbols
 * Fix crash when mismatch of dataset sizes when combining 1D datasets
   to make 2D dataset

Changes in 1.13:
 * Graphs are rendered in separate threads for speed and a responsive
   user interface
 * A changed Graph is rendered immediately on document modification,
   improving latency
 * A new ternary plot widget is included
 * Size of pages can be modified individually in a document
 * Binary data import added
 * NPY/NPZ numpy data import added
 * Axis and tick labels on axes can be rotated at 45 deg intervals
 * Labels can be plotted next to points on non-orthogonal plots
 * Add an option for DPI of output EPS and PDF files

Minor improvements:
 * Import dialog detects filename extension to show correct tab
 * Polygon fill mode for non orthogonal plotting
 * --plugin command line option added, for loading and testing plugins
 * Plugin for swapping two colors in a plot
 * Dataset navigator is moved to right of window by default
 * Mac OS X binary release updated to Python 2.7.2
 * Import plugins can say which file extensions they support
 * Import plugins can be "promoted" to their own tab on the import dialog
 * ForceUpdate command added to embedding API, to force an update of
   the displayed plot (useful if SetUpdateInterval is set to 0)
 * X or Y dataset can be left blank in plotter to plot by row number

Bugs fixed:
 * Images plotted when axes are inverted are inverted too
 * Fixed crash when selecting datasets for plotting in the popup menu
 * Picker crashes with a constant function
 * 2D dataset creation using expressions fixed
 * CSV reader treated dataset names ending in + or - incorrectly
 * unique1d function no longer available in numpy

Changes in 1.12:
 * Multiple widgets can now be selected for editing properties
 * Add Edit->Select menu and context menu for above
 * Added context menu on dataset browser for filenames to reload,
   delete or unlink all associated datasets
 * New tree-like dataset browsing widget is shown in data edit dialog
 * Importing 1D fits images is now supported
 * Date / time data has its own dataset type
 * The data edit dialog box can create or edit date/time data in
   human-readable form

Minor improvements:
 * Add LaTeX commands \cdot, \nabla, \overline plus some arrows
 * Inform user in exception dialog if a new version is available
 * Add linevertbar and linehorzbar error bar styles

Bug fixes:
 * Fix crash on filling filled error regions if no error bars
 * Remove grouping separator to numbers in locale as it creates
   ambiguous lists of numbers
 * Undo works properly for boolean and integer settings
 * Prevent widgets getting the same names when dragging and dropping
 * Hidden plot widgets are ignored when calculating axis ranges
 * Combo boxes are now case sensitive when displaying matches with
   previous text
 * Fix errors if plotting DatasetRange or Dataset1DPlugin datasets
   against data with nan values
 * Fix division by zero in dataset preview
 * Do not leave settings pointing to deleted widgets after an undo
 * Fix errors when using super/subscripts of super/subscripts
 * Fix crash when giving positions of bar plot and labels
 * Do not allow dataset names to be invalid after remaining
 * Several EMF format bug fixes, including not showing hidden lines
   and not connecting points making curves
 * Stop crash when contouring zero-sized datasets

Changes in 1.11:
 * New data point picker for finding coordinates of points on plot
   (contributed by B.K. Stuhl)
 * New data navigator window for filtering, sorting and examining
   dataset statistics
 * ".." button next to dataset settings pops up data navigator for
   choosing datasets
 * Data fitting can now use PyMinuit, giving error estimates
   (B.K. Stuhl)
 * Console history now uses currently entered characters to select
   lines from history (B.K. Stuhl)
 * New self test script, comparing graph output with expected output
 * Put superscripts and subscripts above each other when
   formatting (B.K. Stuhl)
 * Key entries can have multiple lines (using \\) (B.K. Stuhl)
 * Option to treat blanks as data items in CSV files
 * Locale support added for number formatting
    - Can use current locale or US/English in documents
    - Can use US/English or current local in user interface
 * Contours avoid missing (nan) values

 * Linux binaries are now created on a more modern system
 * Windows binaries now use MSVC for compilation

Bug fixes:
 * CSV import with blank columns fixed
 * Embedding module now working when using binary
 * Remember current directory with unicode characters
 * Extension module now compiles under MSVC in Windows
 * Output is always appended to console (B.K. Stuhl)
 * \r characters sometimes break data import in Windows
 * If using --export option, add directory of script to import path

Minor bug fixes:
 * Zero sized dataset contour plot fix
 * Fix problem on context menu for axis match setting
 * Small values on log axis fix
 * Disable data edit dialog context menu when no datasets
 * Loading files with unicode filenames on command line
 * Do not allow non finite float settings
721