QtiPlot - Data Analysis and Scientific Visualisation

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Latest News

• Added support for importing OriginLab 2022 and 2022b project files and improved the import of 2D plot panel windows.
• Implemented import of OriginLab .opju files on Windows.
• Added the possibility to disable the confirmation message issued when attempting to evaluate multiline expressions in muParser through the preferences dialog.
• Implemented the possibility to customise the default column type in tables.
• Improved box plots: now it is possibly to display data as a bar plot and to customize the gap between boxes.
• Improved histograms: added the possibility to hide the bins for histograms displaying a distribution curve and to fill the area bellow the distribution line with a color gradient.
• Added new statistical plot types: box + data overlapped and ridgeline chart.
• Added new 3D plot types: Stacked Wall and Stacked Wall 100%.
• Improved colors tab of the 3D dialog: added the possibility to change the opacity of all 3D plot curves at once.
• Improved drawing of overlapped box and data plots: the abscissas of the data points are now randomly chosen.
• Improved editing integer values in various dialogs: a click inside the spin box automatically selects all text.
• A new dialog was added allowing to select the row range when deleting table rows.
• Improved FFT dialog: added the possibility to apply a window function to the input data and to select the type of resulting plot curves.
• A dB column is added to the FFT result tables.
• Improved the layout of the Fit Wizard.
• Implemented the possibility to define a custom format for the labels of 2D/3D plot curves and added support for the engineering display format.
• It is now possible to create a 2D plot from a Y column depending on an empty X column.
• The NI TDMS file import dialog is no longer modal, meaning that the quick help panel can be accessed when the dialog is open.
• Improved mouse interaction with 2D plot layers.
• Added qti.app.quit() method to the Python API.
• Improved Python API of linear color maps making possible to save/load them to/from XML files.
• Implemented the possibility to set a date/time format for the axis of a 3D color scale.
• Added support for displaying data values in tables and matrices using upper case scientific format (e.g. 1.0E+03).
• Improved export/import to/from Enhanced Metafile Format (EMF) files on macOS and Linux operating systems.
• Added the possibility to define a custom dash pattern for pens used in 2D plots.
• Improved handling of 2D arrows that extend outside the layer canvas.

• Fixed regression affecting the size of the icons on high DPI screens.
• Fixed wrong pixels to points conversion in 2D plot layer canvas size dialog.
• Fixed text color of 2D layer index buttons in dark mode on macOS.
• Fixed import of NI TDMS files saved with an invalid array dimension.
• Fixed saving/restoring the geometry of the Python script window.
• Fixed editing of 2D plot special tick labels on Linux and Windows.
• Fixed crash when trying to plot a Pareto chart from an empty table column.
• Fixed drawing the labels of box curves.
• Fixed regression on macOS: a double-click on a .qti project name now opens the file in a new window.
• Fixed restoring empty titles of 2D plot top/right axes.
• Fixed scrolling in large projects when built with Qt5.
• Fixed closing projects having Python scripts running periodically.
• Fixed application window turning all black after undo/redo operations on 3D plots on Windows.
• Fixed crash when opening the Fit Wizard from the multipeak fit tool on Linux and Windows systems.
• Fixed drawing of 2D arrows that extend outside the layer canvas.
• Fixed setting the style of the grids in 3D plot windows via the preferences dialog.
• Fixed setting the number of output points in the linear and polynmial fit dialogs.
• Fixed export of date/time columns to Origin .c files.