ScottPlot

Published on NuGet on 2019-09-22

Major Changes

• middle-click-drag zooms into a rectangle drawn with the mouse

Minor Changes

• fixed bug that caused user control to crash Visual Studio on some systems that used DPI scaling (#125, #111). Thanks @ab-tools and @bukkideme for your work on this.
• fixed poor rendering for extremely small plots
• fixed bug when making a scatter plot with a single point (#126). Thanks @bonzaiferroni for your work on this.
• added more options to right-click settings menu (grid options, legend options, axis labels, editable plot labels, etc.)
• improved axis padding and image tightening
• greatly refactored the settings module (no change in functionality)

Published on NuGet on 2019-08-25

Minor Changes

• FormsPlot improvements
  • middle-click-drag zooms into a rectangle
  • CTRL+scroll to lock vertical axis
  • ALT+scroll to loch horizontal axis
  • Improved (and overridable) right-click menu
• Added additional options to plt.Ticks()
  • rudimentary support for date tick labels (dateTimeX and dateTimeY)
  • options to customize notation (useExponentialNotation, useOffsetNotation, and useMultiplierNotation)

Published on NuGet on 2019-08-19

Major Changes

• User controls were renamed
  • ScottPlotUC was renamed to FormsPlot
  • ScottPlotWPF was renamed to WpfPlot
• The right-click menu has improved. It responds faster and has improved controls to adjust plot settings.
• Plots can now be saved in BMP, PNG, JPG, and TIF format
• Holding CTRL while click-dragging locks the horizontal axis
• Holding ALT while click-dragging locks the vertical axis
• Minor ticks are now displayed (and can be turned on or off with Ticks())
• Legend can be accessed for external display with GetLegendBitmap() (@StendProg)

Minor Changes

• anti-aliasing is turned off while click-dragging to increase responsiveness (#93, @StendProg)
• PlotSignalConst has several improvements (@StendProg)
  • It can can now accept a generic inputs
  • A demo has been added demonstrating highspeed interactive plotting of one billion data points.
  • It is now slightly faster by default
  • It can use single-precision floating point calculations to further enhance performance
• Legend draws more reliably (#104, #106, @StendProg)
• AxisAuto() now has expandOnly arguments
• Axis lines with custom lineStyles display properly in the legend

Published on NuGet on 2019-08-12

Major Changes

• WPF User Control: See demos#wpf-application for a quickstart demo.
• New Plot Type: PlotSignalConst() for extremely large arrays of data which are not expected to change after being plotted. Plots generated with this method can be much faster than PlotSignal(). See cookbook#signalconst for example usage. Special thanks to @StendProg for work on this feature.
• Greatly improved axis tick labels. Axis tick labels are now less likely to overlap with axis labels, and it displays very large and very small numbers well using exponential notation. For an example see cookbook#axis-exponent-and-offset. Special thanks to @Padanian for work on this feature.
• Parallel processing support for PlotSignal(). When parallel processing is enabled PlotSignal() can now use it to render graphs faster. For details see cookbook#signal-with-parallel-processing. Special thanks to @StendProg for work on this feature.
• Every Plot function now returns a Plottable. When creating things like scatter plots, text, and axis lines, the returned object can now be used to update the data, position, styling, or call plot-type-specific methods. For an example see cookbook#modify-styles-after-plotting.

Minor Changes

• right-click menu now displays ScottPlot and .NET Framework version
• improved rendering of extremely zoomed-out signals
• rendering speed increased now that Format32bppPArgb is the default PixelFormat (thanks @StendProg)
• DataGen.NoisySin() was added
• Code was tested in .NET Core 3.0 preview and compiled without error. Therefore, the next release will likely be for .NET Core 3.0 (Thanks @petarpetrovt)
• User controls now render graphs with anti-alias mode off (faster) while the mouse is being dragged. Upon release a high quality render is performed.

Published on NuGet on 2019-08-04

Major Changes

• WPF User Control: A ScottPlotWPF user control was created to allow provide a simple mouse-interactive ScottPlot control to WPF applications. It is not as full-featured as the winforms control (it lacks a right-click menu and click-and-drag functions), but it is simple to review the code (<100 lines of .xaml and .xaml.cs) and easy to use. See the WPF Application Quickstart guide for details.
• New plot type plt.AxisSpan(): demonstrated in the cookbook - shades a region of the graph (semi-transparency is supported).

Minor Changes

• improved tick marks
  • Vertical ticks no longer overlap with vertical axis label (#47)
  • When axis tick labels contain very large or very small numbers, scientific notation mode is engaged (see cookbook example).
  • Horizontal tick mark spacing increased to prevent overlapping
  • Vertical tick mark spacing increased to be consistent with horizontal tick spacing
• CSV data export
  • Plottable objects now have a SaveCSV(filename) method. See the cookbook example.
  • Scatter and Signal plot data can be saved from the user control through the right-click menu.
• Added lineStyle arguments to Scatter plots (see the cookbook example)
• Improved legend (see cookbook example)
  • ability to set location
  • ability to set shadow direction
  • markers and lines rendered in legend
• Improved ability to use custom fonts (see cookbook example)
• Segoe UI is now the default font for all plot components

Published on NuGet on 2019-07-27

Major Changes

• New plot type plt.PlotStep(): demonstrated in the cookbook. An interactive example is in the demos folder.
• New plot type plt.PlotCandlestick(): demonstrated in the cookbook. An interactive example is in the demos folder.
• New plot type plt.PlotOHLC(): demonstrated in the cookbook. An interactive example is in the demos folder.
• plt.MatchPadding(): copies the data frame layout from one ScottPlot onto another (useful for making plots of matching size). An interactive example is in the demos folder.
• plt.MatchAxis(): copies the axes from one ScottPlot onto another (useful for making plots match one or both axis). An interactive example is in the demos folder.
• plt.Legend() improvements
  • The location argument allows the user to place the legend at one of 9 different places on the plot. See the cookbook example.
  • The shadowDirection argument allows the user to control if a shadow is shown and at what angle.
• Custom marker shapes can be specified using the markerShape argument. See the cookbook example.

This release is live on NuGet:
https://www.nuget.org/packages/ScottPlot/3.0.6

Major Changes

• Bar plot: The plot module now has a Bar() method that lets users create various types of bar plots, as seen in cookbook#plot-bar-data
• Histogram: The new ScottPlot.Histogram class has tools to create and analyze histogram data (including cumulative probability). Examples of this can be seen at cookbook#histogram and cookbook#cph
• Step plot: Scatter plots can now render as step plots. Use this feature by setting the stepDisplay argument with PlotScatter() as seen in the cookbook#step-plot
• Manual grid spacing: Users can now manually define the grid density by setting the xSpacing and ySpacing arguments in Grid() as seen in cookbook#manual-grid-spacing
• Draggable axis lines: Axis lines can be dragged with the mouse if the draggable argument is set to true in PlotHLine() and PlotHLine(). Draggable axis line limits can also be set by defining additional arguments. The DraggableMarkers program was created to demonstrate this feature.

Minor Changes

• using the scrollwheel to zoom now zooms to the cursor position rather than the center of the plot area
• ScottPlot.DataGen.RandomNormal() was created to create arbitrary amounts of normally-distributed random data
• fixed bug causing axis line color to appear incorrectly in the legend
• AxisAuto() is now called automatically on the first render. This means users no longer have to call this function manually for most applications. This simplifies quickstart programs to just: instantiate plot, plot data, render (now 3 lines in total instead of 4).
• throw exceptions if scatter, bar, or signal data inputs are null (rather than failing later)

This release is live on NuGet:
https://www.nuget.org/packages/ScottPlot/3.0.5

Minor changes

• fixes a bug (discussed in issue 11) to improve pan and zoom performance.

This release is live on NuGet:
https://www.nuget.org/packages/ScottPlot/3.0.4

New features

• Bar graphs: New plotBar() method allow creation of bar graphs. By customizing the barWidth and xOffset arguments you can push bars together to create grouped bar graphs. Error bars can also be added with the yError argument. Some cookbook examples demonstrate what this new function can do.
• Scatter plots support X and Y error bars: plotScatter() now has arguments to allow X and Y error bars (with adjustable error bar line width and cap size). A cookbook example was added and a demo program was also created to demonstrate this feature.
• Draggable axis lines: plotHLine() and plotVLine() now have a draggable argument which lets those axis lines be dragged around with the mouse (when using the ScottPlotUC user control). Examples are in the demo folder (ScottPlotDraggableMarkers). This feature was initially requested in issue 11.

Minor changes

• fixed errors caused by resizing to 0px
• fixed a capitalization inconsistency in the plotSignal argument list
• axisAuto() now responds to axis lines added by plotHLine() and plotVLine() (previously they were ignored)
• fixed an issue that caused SplitContainer splitters to freeze

ScottPlot 3.0.3 is available on NuGet:
https://www.nuget.org/packages/ScottPlot/

First release of ScottPlot v3

This is the final release of ScottPlot v2

ScottPlot 2.0 is entirely re-written with performance and usability in mind.

This is the last version of ScottPlot 1.0. Future code in the master branch will no longer be backward-compatible with ScottPlot 1.0.