connecterr
The connecterr function creates a connected point plot by connecting markers with line segments between data points. This is an efficient non-class equivalent to the CPlotView:Connect method. The x and y points at the same array index are presumed to correspond to the same point. The data for x, y, x error bars, and y error bars are each held in lua arrays (1-dimensional indexed tables). To plot without errorbars, use connect.
This function creates a new plot window and returns a CPlotView object and a CPlot object for the plot and the plot series it creates. These objects can be used to enhance or add to the plot or extract plot data for further analysis. There are four similar versions of this command which are compared here. To see a comparison of the non-class plotting functions, go here.
CPlotView, CPlot = connect( x, y, xe, ye )
CPlotView, CPlot = connect( x, y, xe, ye, sLabelX )
CPlotView, CPlot = connect( x, y, xe, ye, sLabelX, sLabelY )
CPlotView, CPlot = connect( x, y, xe, ye, sLabelX, sLabelY, sCaption )
CPlotView, CPlot = connect( x, y, xe, ye, sLabelX, sLabelY, sCaption, sWindowTitle )
x is a 1-dimensional array containing the x values.
y is a 1-dimensional array containing the x values.
xe is an optional 1-dimensional array containing the x error bar values.
ye is an optional 1-dimensional array containing the y error bar values.
sLabelX is an optional label for the x axis.
sLabelY is an optional label for the y axis.
sCaption is an optional plot caption.
sWindowTitle is an optional plot window title.
Parameters that are nil or missing to the right adopt default values.
Return values:
CPlotView is a new CPlotView object attached to the plot window. It is nil on failure.
CPlot is a new CPlot object attached to the current plot series. It is nil on failure.
This function creates a quick plot using just one line of code. The returned values of V and P provide access to the plot window and plotted data. You can also change the plot properties including the marker attributes, labels, scaling, and others using commands such as Series Attributes and Plot Attributes.
Only the first 4 arguments, the (x,y) data and x error bars, are required. If you want to use the other arguments, you must include a placeholder to fill any holes between the arguments. For example, to include y error bars but not x error bars, use nil in place of the xe parameter.
The following script plots two arrays and adds axis labels and error bars on the y axis.
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-- 10 values between 10 and 20 |
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-- 10 values between 20 and 40 |
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-- 10 values between 1 and 3 |
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-- create the connected point plot |
connect, plot, scatter, line, stepline, CPlotView:Connect, CPlotView class, Plotting Functions, Comparison of non-Class Plotting Functions
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