![]() ![]() See Calculating the Position of Text Annotations for an example.Ĭreating Arrows and Lines in Plot Editing ModeĪdd arrow and line annotations after you are finished moving or However, arrows created this way can only point to the left or right, horizontally. You can also use arrow characters (TeX characters) to create arrows using the text command. The next post in this series will look at automating these steps with a wrapper function that you can use when making (practically) any figure.With plot editing mode enabled, you can add arrows and lines anywhere in a figure window. We’ve gotten the original desired figure, so that stage is complete. But I’ve used them in crowded figures and they can really help to see things clearly. In this case, the arrows and ellipses don’t add much for understanding the figure. Here is our plot with some manually-placed arrows and ellipses: Figure with arrows and ellipses. Text arrows are much harder to tweak because the text location is determined automatically. I recommend using separate text boxes and arrows instead of a “text arrow”. For example, you can group a set of curves with an ellipse and use an arrow to point from the label. If your figure has many sets of curves, then you might find it helpful to be more specific with your annotations. By placing these boxes near their corresponding curves we get our desired result: Done. The text can now be set to “Growth” and we can duplicate the box to make one that says “Decay”. Set “Interpreter” to “latex” (of course).Set “Line Style” to “none” to remove the bounding box.Set “Background Color” to white (default is transparent).We will draw a textbox and make the following changes: Unfortunately, annotations are harder to do automatically (particularly in terms of where to place them), so I usually just do them by hand. We want to add some annotations to distinguish between the 2 phenomena on the figure. ![]() This legend clearly states that any solid line is an analytical curve and the markers show simulations, even if the colors don’t match any specific curves. So we get the following: Figure with legend based on ghost curves. Legend(hAxes, 'Analytical', 'Simulation') Ylabel('Exponential Observation', 'interpreter', 'Latex') Plot(hAxes, x(plotInd),z2(plotInd),'LineStyle', 'none', 'Color', ,… ![]() Plot(hAxes, x(plotInd),z1(plotInd),'LineStyle', 'none', 'Color', ,… Plot(hAxes, NaN,NaN,'LineStyle', 'none', 'Color', ,… PlotInd = unique(floor(logspace(0, log10(n), numPlotPoints))) Open the figure editor and use the “Plot Browser” to select the curves whose legends you want to hide. You can manually exclude specific curves from a legend. ![]() It would be best to only have 2 entries in the legend. Each one has an “Analytical” curve and a “Simulation” curve. The figure is really plotting 2 phenomena (Growth and Decay). There’s a lot of repetition, and if you took a quick look it would be hard to read. Let’s do that first: Modifying the default legend. Now, the natural reaction would be to edit the 4 text labels (1 for each curve) and call it a day. How about we add a legend? We could just click the “legend” button in the figure toolbar … Using the default legend text and format. So if you have variables in your paper then you can have them appear nicely in your figures without needing to edit them outside of MATLAB. You can also use regular LaTeX math text surrounded by double-$, e.g., $alpha_0$. Using the LaTeX interpreter does more than make the text look like it belongs in your paper. And we get this figure: Using the LaTeX interpreter for the axis scales and labels. ![]()
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