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0001 -----2.10.0 () ----- 0002 New features: 0003 * [worksheet] 0004 * Bar plots 0005 * Plot templates - allow to save and re-use custom plot configurations 0006 * [spreadsheet] 0007 * use a different icon for calculated columns, also show the definition of the formula and parameters in the tooltip text in the project explorer 0008 * Heatmap formatting for categorical data in text columns 0009 * [import] 0010 * Import data from Excel .xlsx files using QXlsx library 0011 * HDF5: support VLEN data import 0012 * Live data: support multiple values via TCP 0013 * [export] 0014 * Use the current working project directory, if available, as the default export path 0015 * [analysis] 0016 * guess start vaues of fit parameter for polynomial models by linear regression 0017 0018 Performance improvements: 0019 * reduce the memory consumption during the spreadsheet export to Sqlite 0020 * reduce the memory consumption when importing from a database table into the spreadsheet 0021 * faster import of files with a big number of columns 0022 * faster creation of a big number of columns in the spreadsheet 0023 0024 Bug fixes: 0025 * [worksheet] 0026 * don't crash when undoing the step "add info element". 0027 * don't crash when changing the error bar types in the curve with no x-column selected yet 0028 * don't show any context menu in the presenter widget 0029 * use the full screen size in the dynamic presenter widget for worksheets with "use view size" property set to true 0030 * allow to zoom the view in the dynamic presenter widget 0031 * fix using custom value label with invalid data points in xy-curve (BUG 455214) 0032 * don't crash when deleting a text label that was added after worksheet objects (plots and curves) were created via the plot data dialog (BUG 455096) 0033 * fix displayed end value of date time plot range 0034 * fix shifts in date time values due to locale settings (BUG 455579) 0035 * [spreadsheet] properly paste the data in the format 'yyyy-MM-dd hh:mm:ss' and similar 0036 * [fit] fix locale usage in evaluation range 0037 * [fit] correctly invalidate fit result when model changes 0038 0039 0040 -----2.9.0 (03.05.2022) ----- 0041 * [general] 0042 * Allow to copy&paste and to duplicate single objects in the project explorer 0043 * Allow to change the order of objects in the project explorer (move up and down) 0044 * Added global settings for numbers 0045 * Color maps manager allowing the access to multiple collections of color maps 0046 * Show git hash in about dialog for convenience 0047 * Use system liborigin when available 0048 * Open new project per default on startup 0049 * Examples Dialog - an easy way to browse through all available example projects and to open them directly in the application 0050 * Allow to save the project without the results of the calculations in the analysis curves to reduce the size of project file 0051 * Use XZ compression of project files per default with compatibility option for older versions of LabPlot 0052 * Improve preview resolution of distributions and fit functions 0053 * Add parser functions to generate non-uniform random numbers of several distributions 0054 * Fuzzy matching when doing search/filter in the Project Explorer 0055 * [analysis] 0056 * Support Mathieu functions via GSL 0057 * Support fitting of any distribution to a histogram 0058 * Added Hilbert transform including envelope 0059 * Improve entering ranges for various methods 0060 * [import] 0061 * Add Option to specify header line in ASCII data 0062 * Import SAS, Stata and SPSS files using readstat library 0063 * Import MATLAB MAT files using matio library 0064 * Import LTspice files 0065 * HDF5: Select first variable when loading file 0066 * HDF5: Use data type when importing data 0067 * HDF5: Preview and import 2d data of strings 0068 * Improved OPJ project import 0069 * Improve binary data preview and import data types and speed 0070 * [spreadsheet]: 0071 * Allow to freeze the first column 0072 * Search in the spreadsheet 0073 * Conditional heatmap formatting 0074 * Support value labels 0075 * Extended statistics dialog - show additional visualizations (histogram, KDE plot, normal Q-Q plot, BoxPlot) 0076 * List random number distributions alphabetically 0077 * [worksheet]: 0078 * Info Element - a new worksheet element to annotate curve values on the plot 0079 * Image Element - allow to embed the image data and save it in the project file 0080 * BoxPlot 0081 * Crosshair cursor mode in the plot 0082 * New themes "Monokai", "ggplot grey", "ggplot dark", "Tufte" 0083 * Many more curve symbols 0084 * Allow to specify text label's position in logical plot coordinates 0085 * Allow to use a custom column to set the text for the axis ticks 0086 * Allow to resize the plots on the worksheet with the mouse when no layout is active 0087 * Plot border type - allow to specify which lines of the plot rectangular to draw (left, top, etc.) 0088 * Support multiple plot ranges 0089 * Support real scientific notation and improve all formats of axes tick label 0090 * Support axes auto tick number and improve range auto scaling 0091 * Optional showing axis scale and offset in plot 0092 * Add inverse axis scale 0093 * Add first tick offset to better place axis ticks 0094 * Rug plot - visualization where the data points are displayed as marks along the axes 0095 * Tufte's "range frames" - a new mode in Axis to automatically set the start and end points of the axis to the min and max data points 0096 * Allow to specify which curves should be shown in the plot legend 0097 * Switched to Poppler for better LaTeX typesetting support 0098 * Support background color for label 0099 0100 Bug fixes: 0101 * Fitting: Fix missing locale support in evaluating range of fit function 0102 * Fitting: Fix pseudovoigt model 0103 * Fix crash in convolution and correlation 0104 * Windows: use breeze as default for better dark mode 0105 * Properly save the geometry of visible windows in the project 0106 * Interpolation: avoid crash when x data contains invalid data points or is not strictly increasing 0107 * HDF5: Fix reading attribute strings and better handle strings in compound data 0108 0109 -----2.8.2 (01.04.2021) ----- 0110 Bug fixes: 0111 * [CAS] 0112 * Fixed the regression introduced after the python2 backend was deprecated in Cantor 0113 * Warn about the potential data looses when a project with CAS content is opened but no CAS support is available 0114 * [worksheet]: 0115 * DateTime support for Custom Points and for Histograms 0116 * Fix "power of" notations for negative values, show "0" for zero and improve auto precision for small values for axis labels 0117 * Show all available symbols styles for CustomPoint, the last one was missing 0118 * Convert the plot range format to datetime also when the first histogram for datetime data was added to the plot 0119 * Properly restore the saved values column and also save the values formatting properties in the histogram 0120 * If the deleted columns are being restored, restore the column pointers also in the histograms 0121 * Properly react in the histogram when data columns are deleted or renamed 0122 * Save/load the values format in xy-curve 0123 * React on text changes for values prefix and suffix and not on return pressed event in the curve properties explorer 0124 * Fix log scale axis for one tick and ln-scale typo 0125 * Fix sqrt and square axis scale 0126 * adjust the range format (numeric vs. datetime) also when the the column of the first curve is changed and not only when a new curve is added 0127 * simplified the naming of the initial axes for the default plot types (box blot with four axes, etc.) - use "x" instead of "x axis 1", etc. 0128 * export to more image formats (jpg, bmp, ppm, xbm, xpm) 0129 * [spreadsheet] 0130 * show column statistics also for bigint columns 0131 * when selecting a column in the project explorer, make sure it becomes visible in the spreadsheet by scrolling horizontaly to its position 0132 * when removing or inserting rows in the spreadsheet, properly update the headers in the spreadsheet 0133 * [import] 0134 * Don't try to parse a netCDF file when the application was compiled without any support for netCDF, and similar for other formats 0135 * Show the last recently imported projects in a combobox also in ImportProjectDialog similar to how it's already done in ImportFileDialog 0136 * Don't show any error messages when the source file or local socket is empty when the import dialog is opened for the first time 0137 * Fixed ASCII import when start column > 1 0138 * Don't change the current selection in the Project Explorer when objects are being added or removed during undo or redo 0139 * Improved LaTeX support in export dialog and export of big spreadsheets 0140 * BUG 427190 - Fixed resetting parser error count on some platforms (Debian, Manjaro) 0141 * BUG 429110 - Support semicolon as function argument separator for locale with comma as decimal separator 0142 * BUG 429368 - Fix validation of custom model equation in fit dock 0143 * BUG 431535 - Save/Load value format 0144 * BUG 432291 - Show the relevant parts of the drop lines also when the data points are outside of the plot range 0145 0146 -----2.8.1 (13.11.2020) ----- 0147 * [worksheet] allow to change the background color for axis labels (default: transparent) 0148 * [worksheet] allow to copy the plot cursor cordinates 0149 * [spreadsheet] better auto-detection of datetime format for values pasted in the spreadsheet 0150 * [live data] allow to add the timestamp column for all network live sources (TCP/UDP), not only for MQTT 0151 * [live data] better error handling and user notifications 0152 0153 Bug fixes: 0154 * Fix compiling with Cantor 20.08.X and X>0 0155 * Fix drawing lines between points of datetime data 0156 * Fix drawing axis tick label in color when in HTML mode 0157 * Fix size of dock widgets when changing between them 0158 * BUG 389920 - remove sub-window shadow remnants when closing the project 0159 * BUG 428029 - changing font of text label for newer Qt versions 0160 * BUG 428813 - full screen not restored (also fixed full screen on macOS) 0161 * BUG 428698 - Don't crash when doing drag&drop between different main windows 0162 * Fix missing settings dialog on macOS 0163 * Parser improvements (found in "Generate Function Values"): 0164 * Fix Crash using variable name of pre-defined functions as function ("sin()") 0165 * Allow variable names containing function names ("sina") 0166 * Correctly remove variables when changing name 0167 * Use application number locale 0168 * insert predefined functions with correct number of arguments 0169 0170 -----2.8 (16.09.2020) ----- 0171 * Improved DateTime data support 0172 * Show the size of the members in the JSON file in the import file dialog 0173 * [worksheet] In the Export Worksheet Dialog allow to export to the clipboard 0174 * [worksheet] Allow to move plots, text labels and legend with arrow keys 0175 * [worksheet] Image worksheet element 0176 * [worksheet] Reference line on the plot 0177 * [worksheet] Support for imperial units for geometry and size settings of objects 0178 * [worksheet] Improve axes major and minor tick settings 0179 * [spreadsheet] show infinite values as such and not as NaN 0180 * [spreadsheet] support big integer (64 bit) as data type 0181 * [spreadsheet] column normalization methods "divide by max", "divide by min", etc. 0182 * [spreadsheet] Tukey's ladder of powers 0183 * [spreadsheet] added the size of the data set, its mode, 1st and 3rd quartiles and IQR to the column statistics 0184 * [analysis] calculate and expose the rough values as the result of a smooth (data = smooth + rough) 0185 * Allow to open Cantor and Jupyter projects 0186 * [Windows] improved craft blueprint and installer package 0187 * [macOS] added support for touchbar 0188 * Support global user specified decimal separator 0189 * Improved locale support in number input fields 0190 * Extended "About"-Dialog 0191 0192 Bug fixes: 0193 * BUG 421193 - import float(4) data from hdf5 0194 * BUG 418390 - Ignore infinite values (created in CAS worksheets for example) in curves 0195 * BUG 412455 - Don't crash (sporadically) when opening the color scheme menu 0196 * BUG 415214 - Better algorithm to draw the error bar caps 0197 * BUG 413397 - Properly handle removal of columns in the spreadsheet model 0198 * BUG 413401 - In plot data dialog, don't add new worksheets as children to workbooks, use the proper parent aspect 0199 * Fix Cantor support and Unicode characters on Windows 0200 * Fix evaluating fit residuals 0201 0202 -----2.7 (24.10.2019)----- 0203 New features: 0204 * Allow to move objects (drag&drop) to different folders in the project explorer 0205 * [spreadsheet] allow to insert multiple rows and columns in one step 0206 * [spreadsheet] improved the handling of calculated columns (values calculated via a formula): 0207 * Allow to automatically update the calculated column on data changes in the variable columns 0208 * Invalidate the calculated column if one of the variable columns was deleted 0209 * In "Functions Values" dialog highlight the variable column combobox red if the variable column was deleted in the project 0210 * In "Functions Values" dialog don't allow to select columns to be calculated as variable columns (avoid circular dependencies) 0211 * In "Used in" context menu of a column show all other calculated columns where this column is used as a variable 0212 * [spreadsheet] when pasting data into empty columns, automatically convert their type to the type of the data to be pasted 0213 * Automatically update curves if a data column deleted before was re-added again (during the import or manually) 0214 * When auto-scaling in the plot take also the error bars into account, if available 0215 * For live data sources allow to save the relative path to the data source 0216 0217 UX improvements: 0218 * in the "Import Data" dialog show the history of the recently imported files 0219 * Improved the selection of curves in the plot that are near to or behind each other 0220 * BUG 408529 - Allow to use DEL to delete cells in spreadsheet and matrix 0221 * BUG 408537 - Allow to insert multiple rows and columns in the spreadsheet in one step 0222 * Added translations to Windows and macOS packages 0223 * Allow to stop the current selection in the plot with ESC 0224 * BUG 410855 - Seed the random number generator with the current time in order not to generate repetitive numbers in the spreadsheet. 0225 0226 Performance: 0227 * Increased the plotting speed for curves with many data points by removing points which are shown on the same pixel in the scene 0228 0229 Bug fixes: 0230 * Disable auto-scale when zooming, otherwise wrong (= auto scaled) data region is shown after project save&open 0231 * [macOS] fix determining number of lines of data files 0232 * Bug 408530 - correctly show error bars for data source columns having NANs 0233 * Bug 407847 - fixed the broken project import 0234 * Bug 411122 - fixed missing option for the resolution of PNG files in the export dialog 0235 * BUG 406805 - support for directory structures in ROOT files 0236 * [data fitting] handle weighted fitting with zero errors correctly 0237 * [data fitting] allow weighted fitting with data source from curve 0238 * [data fitting] fix function for calculating bounded values 0239 * [nsl] fix memory leak in line simplification (Douglas Peuker variant) 0240 * [nsl] fix bug in calculating Bessel polynomials on Windows (used in Bessel filter) 0241 0242 -----2.6 (19.04.2019)----- 0243 New features: 0244 * Histogram 0245 * Import from MQTT sources 0246 * Import of ROOT (CERN) TH1 histograms 0247 * Import of Ngspice raw files (ASCII and binary) 0248 * Import of data in JSON format (JSON arrays and objects) 0249 * Improved import of NetCDF files 0250 * Added file type specific summary and content for special file types in info box of import dialog 0251 * Convolution/Deconvolution of data sets (sampling interval, linear/circular, normalization, wrap, standard kernel) 0252 * Cross-/Autocorrelation of data sets (sampling interval, linear/circular, normalization) 0253 * Allow to specify the number format when exporting spreadsheet and matrix 0254 * Improved user interface for data fitting (add fit function preview, show parameters directly, make options foldable) 0255 * [spreadsheet] when filling a float column with row numbers, automatically convert its type to integer 0256 * [spreadsheet] when filling an integer column with function values, automatically convert its type to float 0257 * [spreadsheet] data manipulation: add/subtract/multiply/divide for column values 0258 * [spreadsheet] export to SQLite 0259 * [matrix] data manipulation: add/subtract/multiply/divide for matrix values 0260 * [worksheet] Allow to specify different border shapes for labels (rectangle, eclipse, etc.) 0261 * [worksheet] Allow to rotate plot legends 0262 * [worksheet] Better positioning of rotated axis tick labels 0263 * [worksheet] Allow to make plots not-interactive (ignore mouse drag and wheel events) to avoid unwanted occasional panning and zooming 0264 * Allow to connect to SQL databases via ODBC 0265 * Show the amount of consumed memory in the status bar (optional) 0266 * Allow to change the settings for different computer algebra systems (Maxima, etc.) directly in LabPlot (embedd Cantor's settings widgets) 0267 0268 Bug fixes: 0269 * Fixed several problems in live data support 0270 * [spreadsheet] properly calculate function values out of integer x-values 0271 * [matrix] fix editing integer values 0272 * [import] fix preview update and add missing close of netcdf files 0273 * Don't crash when a scaling factor equal to zero was set for axis 0274 0275 -----2.5 (21.06.2018)----- 0276 New features: 0277 * Support for reading and plotting of live-data 0278 * Improved data fitting 0279 * Automatically guess parameter of custom models 0280 * Better result presentation 0281 * Support different weight types 0282 * Consider given x- and y-error when fitting (can be switched off) 0283 * Show t statistics, P > |t| and confidence interval 0284 * Calculate p-value for chi-square and F test in nonlinear fitting 0285 * added fit models for most statistical distributions 0286 * Improved theming 0287 * Apply themes to worksheet and to all its children 0288 * Respect theme settings also in plot legends and labels 0289 * Allow to disable theming in worksheets and plots after a theme was selected 0290 * Show currently active theme in the "Apply theme" button 0291 * New application option in the settings for the default theme used for new worksheets. 0292 * Support different data types 0293 * auto detect integer and datetime data in import 0294 * support number locale and datetime formats 0295 * improved data type support in spreadsheets 0296 * Import from SQL databases (tables or custom queries) 0297 * Import Origin OPJ projects 0298 * Much better support for Windows and macOS 0299 * Syntax highlighting for LaTeX in the text label 0300 * Allow to set the background color for LaTeX labels 0301 * Support Hermite polynomials from GSL 2.4 0302 * Support error functions and related functions from libcerf 0303 * "Used in" sub-menu in column contex menu for faster navigation to the curves consuming the column 0304 * Direct application of analysis functions (smoothing, interpolating, etc.) on the ploted data via curve's context menu 0305 * Direct application of analysis functions on the data in the spreadsheet and plotting of the results via spreadsheet's context menu 0306 * Drag columns in the project explorer and drop them on plots (either in a worksheet view or in the project explorer) to create curves 0307 * "Show last N points" and "Show first N points" data ranges in cartesian plot 0308 * Added CLI option --presenter to start LabPlot directly in the presenter mode 0309 * Added CLI parameter to directly open project files (LabPlot or Origin) 0310 * Allow drag&drop of projects files (LabPlot and Origin) on the main window to load the project 0311 * Allow drag&drop of data files on the main window to import the data 0312 * Show tooltips for the supported mathematical functions and constants in the expression text field 0313 * Automatically switch to the scientific representation for numbers bigger than 10^4 on the axis tick labels 0314 * Automatically allow the latex typesetting in the application after the latex environment was installed later without making the user to go to the settings dialog 0315 * Allow to change the color scheme for the application 0316 * Smooth and animated zooming in the worksheet view 0317 * Allow to add text labels to plots 0318 * Improved building with MSVC, Intel and PGI compiler 0319 0320 Performance improvements: 0321 * Faster copy&paste in the spreadsheet 0322 0323 Bug fixes: 0324 * Bug 379877 - masked rows in spreadsheet not restored in project 0325 * Calculation of fit results corrected 0326 * Axes now support values larger than FLT_MAX (~10^38) and smaller than FLT_MIN (~10^-38) 0327 * When a LabPlot project is being droped in the main window, load the project directly instead of showing the import file dialog 0328 * Correctly save and restore masked cells 0329 * Don't crash if the rc-file was not found during the startup 0330 0331 -----2.4 (09.04.2017)----- 0332 New features: 0333 * Support themes for plots 0334 * Import and editing of FITS data files 0335 * Data reduction by removing data points using multiple algorithms 0336 * Numerical differentiation and integration with several options 0337 * Many new pre-defined fit models (Gompertz, Weibull, Log-Normal, Gumbel, etc.) sorted in categories 0338 * Fit parameter now support fixed values, lower/upper limits and use Unicode 0339 * Fit model and random number distribution formulas are now rendered with LaTeX 0340 * Support user specified x range in all analysis functions 0341 * Allow to enter complete LaTeX documents in text labels 0342 * Configuration parameter to use different LaTex engines (LuaLaTex, XeLatex, pdfLaTex, LaTex) 0343 * Disable LaTeX typesetting if no LaTex installation (and other required tools) were found at runtime 0344 * Presenter mode for worksheets 0345 * Support for Mac OS 0346 * Support for Julia's vectors and tuples in CAS worksheets (requires Cantor v. 16.12 or higher) 0347 * Allow to jump directly to the data source spreadsheet via XYCurve's context menu 0348 * Select and delete multiple objects in project explorer 0349 * Improved and extended internal parser for mathematical expressions 0350 * Copy of worksheet elements as image to the clipboard via CTRL+C 0351 0352 Bug fixes: 0353 * BUG: 361326 - Allow to select curves with overlapping bounding boxes 0354 * Correctly load worksheet sizes from saved templates 0355 * Fixed crash when removing columns in spreadsheet 0356 * Fixed crash when fitting using GSL >= 2 0357 * List of available functions corrected 0358 * Constants are now available with full accuracy 0359 * Windows: Import of files and open recent files fixed 0360 0361 -----2.3 (23.07.2016)----- 0362 New features: 0363 * Integration of Cantor - Support for different open-source computer algebra systems 0364 * Statistics on spreadsheets and matrices 0365 * Export of spreadsheets and matrices to LaTeX tables 0366 * Interpolation of data including different splines, cosine, exponential, cubic Hermite (Catmull-Rom, cardinal, Kochanek-Bartels) and rational functions 0367 * Data smoothing using moving average (centered or lagged), percentile filter or Savitzky-Golay algorithm 0368 * Fourier filter (low pass, high pass, band pass, band reject) with ideal, Butterworth, Chebychev I+II, Legendre or Bessel-Thomson filter 0369 * Fourier transform with many window functions (Welch, Hann, Hamming, etc.) calculating magnitude, amplitude, power, phase, dB, etc. and supporting 0370 one/two sided spectrum with or without shift and x scaling to frequency, index or period 0371 * Filter and search capabilities in the drop down box for the selection of data sources 0372 * Sigmoid function as a new pre-defined fit model 0373 * Support for compiling on Microsoft Windows 0374 0375 Performance improvements: 0376 * Faster generation of random values 0377 * Global option to enable/disable the double-buffering for faster painting of curves (enabled on default) 0378 0379 Bug fixes: 0380 * Save and restore last used setting in RandomValuesDialog 0381 * Update axis title shape on title rotations correctly 0382 * Save and restore custom column widths in the spreadsheet 0383 * Fixed sporadic crashes during project close 0384 0385 -----2.2 (29.03.2016)----- 0386 New features: 0387 * Datapicker - tool for extracting curves and data points from imported images 0388 * Custom point on the plot with user-defined position and appearance 0389 * Accept drag&drop events 0390 * Support GSL 2.x 0391 * Import and export dialogs save and restore their settings and sizes 0392 0393 Performance improvements: 0394 * Faster rendering of the image view of the matrix 0395 0396 Bug fixes: 0397 * BUG: 354744 - make setting of range auto scaling in CartesianPlot undo/redo-able 0398 * Removed couple of hard coded sizes given in pixels for better user-experience on hidpi-displays 0399 * Fixes the bug with disabled undo/redo-actions in after the undo-history was cleared 0400 * Keep the information about the columns to be shown in the project explorer after project close 0401 * Fixed some bugs in painting of the selection band on the worksheet 0402 * Allow to open gz- and bz2-compressed LabPlot project files on the command line interface 0403 0404 -----2.1 (25.10.2015)----- 0405 New features: 0406 * New Matrix view for handling matrix data. 0407 * Workbook - a new container for grouping several objects of type Spreadsheet and/or Matrix. 0408 * Import of binary, image, NetCDF and HDF data into spreadsheet or matrix. 0409 * Visual HDF and NetCDF parser to view content of files and import data sets. 0410 * Preview of all supported file types in import dialog. 0411 * Transparently import compressed data files. 0412 * In xy-curve the points may not be connected by the line if there are NANs in-between. This behaviour is controlled by the parameter "skip gaps". 0413 * Multiplier of Pi format of the plot axis for periodical functions. 0414 * New operations on columns in Spreadsheet - reverse, drop values and mask values. 0415 * Formula used to generate the values in a column is stored and can be changed/adjusted in the formula dialog afterwards. 0416 * Curve filling: the area below, under, left to or right to the curve can be filled. 0417 * Support for multiple variables in "Function Values"-dialog - new data in the spreadsheet can be calculated out of multiple columns. 0418 0419 Performance improvements: 0420 * Speeded up the creation of new columns during the import 0421 0422 Bug fixes: 0423 * Fixed wrong behaviour when doing "zoom&select" in a plot and then deselecting the plot - it was not possible anymore to select the plot again on the worksheet. 0424 0425 -----2.0.2 (15.03.2015)----- 0426 New features: 0427 * Plot 2D-curves defined by mathematical equations in cartesian and polar coordinates or via a parametric equation. 0428 * Linear and non-linear regression analysis. Several predefined fit-models are provided. User-defined models are also possible. 0429 * Besides fixed worksheet sizes (predefined sizes like A4 etc. or user-defined), complete view size can be used. All sizes are automatically adjusted on resize. 0430 * Different axis arrow types. 0431 * "select region and zoom in", "select x-region and zoom in", "select y-region and zoom in" functions for cartesian plot. 0432 * Rounded border for several worksheet objects (plot area, legend etc.) 0433 * Hover effect for axis, curve and text label. 0434 * Added a MessageBox - ask befor deleting worksheet objects. 0435 * Added three new types for drop lines - "zero baseline", "min baseline" and "max baseline" 0436 * Fill the selection in Spreadsheet with a constant value provided by the user 0437 * Fill columns with uniform and non-uniform random numbers, several distributions are available. 0438 * Fill columns with function values 0439 * Allow custom resolutions for PNG-export 0440 * Export of the spreadsheet to a text file. 0441 * Simultaneous zooming and navigation accross multiple plots. 0442 * Implemented "Powers of 10/2/e" for the axis tick labels 0443 0444 Bug fixes: 0445 * Don't crash when trying to create a plot in case no rc-file was installed. 0446 * Don't allow to select unwanted objects in TreeViewComboBox in ImportDialog and XYCurveDock. 0447 * Corrected painting of background images in plot area and legend. 0448 * BUG: 330723 - fixed weird selection in spreadsheet. 0449 * BUG: 330774 - fixed wrong positioning of axis on orientation changes. 0450 * Update main window title when project name is changed 0451 0452 -----2.0.1 (01.03.2014)----- 0453 Bug fix release. Solved issues: 0454 * Fixed wrong scaling of legend's text labels in pdf-export 0455 * Fixed memory corruption in CartesianPlotDock that can lead to crashes 0456 0457 -----2.0.0 (19.01.2014)----- 0458 First stable release of LabPlot2. LabPlot2 is a complete rewrite of LabPlot1 and lacks in this release a lot of features available in the predecessor. On the other hand, the GUI and the usability is more superior as compared to LabPlot1 and there are several new features that were not available in LabPlot1. 0459 0460 Brief summary of features and capabilities of LabPlot2 implemented in the first release: 0461 * project-based management of data 0462 * created objects are organized in a tree and are visualized and accessible in the project explorer 0463 * for a better management of objects, additional folders and sub-folders can be created within a project 0464 * spreadsheet with very basic functionality is available for manual data entry 0465 * "file data source" can be used to import a file and to let LabPlot2 watch for changes in that file 0466 * external data from an ascii file can be also directly imported to a spreadsheet for further editing 0467 * worksheet is the main object where plots, labels etc. are placed on 0468 * several zooming functions for the worksheet 0469 * only cartesian plot is implemented in the first release 0470 * arbitrary number of freely positionable axes is possible 0471 * xy-curve is implemented. As the data source for the x- and y-values columns either from a spreadsheet 0472 or from a file data source can be used 0473 * several zooming and "movement" functions are available for the plots which help to navigate through data 0474 * legend for xy-plots 0475 * a lot of properties of the worksheet elements can be edited in a very easy way in the corresponding dock widgets 0476 * plots on the worksheet can be put into a horizontal, vertical or grid layouts 0477 * export of worksheet (entire worksheet or current seleciton) to pdf, eps, png and svg