Basic MATLAB Line Plots¶ We have already made a few plots in the previous material. A trailing input string, FREQLOCATION, controls where MATLAB displays the frequency axis. [Matlab] show a normal random heart. I've been using exportfig for several years and until recently had not had issues with it. They are extracted from open source Python projects. (Side note: Don't use tight_layout after making the extra axes. I would like to have a tight subplot i. I'm a very much part-time user and not a hard core guy. Plot a heart curve in matlab. The text is released under the CC-BY-NC-ND license, and code is released under the MIT license. Step 1: Create a mesh. MATLAB Central. They are very fast, but each operation has a certain roundoff error, and these roundoff errors can accumulate. Reading thru histc in matlab help and using it left me completely stumped as to what it outputs for what it calls xbins. remove (self) [source] ¶ Remove this colorbar from the figure. This topic explains the cone of influence (COI) and the convention Wavelet Toolbox™ uses to compute it. The following options affect the appearance of tick marks. Specify Name,Value as the last pair of arguments in any of the previous syntaxes. Only if the black y axis lines moved inwards to be tight against the image boundary. MATLAB® Newsgroup If you read newsgroups on the Internet, you might be interested in the MATLAB newsgroup (comp. you have subplot's 3rd parameter i. Then, to verify I reproduce the input in matlab above. Colorbar¶ If you create a colorbar with the colorbar() command, the created colorbar is an instance of Axes, not Subplot, so tight_layout does not work. Discrete color scale in 3D plot. Say I have ratings on two measures, x and y, from N subjects. Posted on November 15, 2018 Updated on November 16, 2018. You will. "label[xyz]". 09: MATLAB에서 figure의 불필요한 여백 없애기 (0) 2013. The data can be downloaded free of charge at the USGS EarthExplorer after creating a user. So you can use 1/255[255,0,0] to get the color of red to use as a color in MATLAB. Matplotlib supports all kind of subplots including 2x1 vertical, 2x1 horizontal or a 2x2 grid. 094) Motivation is a hard thing to keep, I did finish the homework by day 5 but then I put off publishing this because my mind was preoccupied by something else. plot3(X,Y,Z); where X and so on are very large can take a long time (say 1 minute). Example: {'cold','warm','hot'}. global_encoding_gps_time_type. I had a colorbar addded to my figure of multiple subplots. In my field, it is often very useful to include many panels in one single figure. show() that you should use plt. When I am plotting with subplots and one of the plots is shorter than the other, the use of colorbar on the shorter plot makes it smaller. axis tight colorbar The 2d matrix Z represents the set of elevations( in meters), copied from the dem ASCII text file, whereas the row-matrices X and Y represent the coordinate axes for the given region. colorbar When run this set of code, I can see that Y-axis is displayed in log scale, but nothing is displayed in spectrogram area. Note the dimensions of the row matrices X (18, here) and Y (18, here), and that of Z (18*18, here). remove (self) [source] ¶ Remove this colorbar from the figure. The colorbar itself is simply an instance of plt. The help instructions talk about an lcolorbar, TitleString and ZlabelString but there's no example and I'm lost. 1, you may create a colorbar as a subplot using the gridspec. I want to put a colorbar to the right of a plot; fortunately, MATLAB wants to do that too, so a plain call to colorbar works. Originally meant to be used with image data, this function is. 4) When using this data please reference the paper: Luthcke, S. • Lecture Note. Graficos en matlab 1. General, saving the figures in Matlab seems poorly done (when saving a graph or an image from the figure, say as tif, the pixel size of the saved file varies depending on the size of the window, i. Matlab: How to align the axes of subplots when one of them contains a colorbar? 3 Matlab: Plot a subplot with hold on and hold off in a loop without always calling xlabel, ylabel, xlim, etc. I'm hoping someone will have some feedback regarding how to get exportfig to not "corrupt" subplot figures or contour plots with a colorbar. Introduction to programming in MATLAB Danilo Šćepanović » axis tight ¾fits axes to data » colorbar • imagesc. Toggle Main Navigation. % Using fixed boundry conditions "Dirichlet Conditions" and initial % temperature in all nodes, It can solve until reach steady state with % tolerence value selected below. In my case, I want to signify the value of each column with heatmap, and box size will signify the value with respect to table. I am simplifying my problem to make it easier to answer. I would like to do a scatterplot of x and y with a different marker colour for each subject, and display a colorbar/legend that shows what colour corresponds to which subject. For example, this colorbar shows the relationship between the values of the peaks function and the colors shown in the plot next to it. The option 'sectionvalue' must be followed by the name of an ARGUS file which contained the coordinates of the points describing the profile (this file can be generated by exptool. That code already plots multiple lines on the same plot. The MsFV solver requires a dual-primal coarse partition and relies on the solution of reduced flow problems along dual edges/faces for localization. tight Fit the axes box tightly around the data by setting the axis limits equal to the range of the data. I want to display the colorbar on the side, but that seems to slow down the displaying greatly, causing other problems. The Matplotlib subplot() function can be called to plot two or more plots in one figure. t=[11,15,18,23,26,31,39,44,54,64,74]'; M is the biomass of algae, measured in square millimeters on a petri dish. 1 format which does not provide any metadata on the time format. plot3(X,Y,Z); where X and so on are very large can take a long time (say 1 minute). raw download clone embed report print MatLab 1. In Matlab, you can create a cropped PDF by setting the papersize to the same size as the graphic; see this small figuresize. txt) or read book online for free. This blog not only helps the researcher in understanding the basics of above mentioned signal processing but also develop an understanding in using MATLAB. We use cookies for various purposes including analytics. 1) A) % This code is designed to solve the heat equation in a 2D plate. "label[xyz]". Here are just a few notes on MATLAB commands for plotting. This program is a thermal Finite Element Analysis (FEA) solver for steady-state heat transfer involving 2D plates. Starting in R2014b, you can use dot notation to query and set properties. Индексирование, программирование, векторизация, графические возможности MatLab. So you can use 1/255[255,0,0] to get the color of red to use as a color in MATLAB. axis tight sets the axis limits to the range of the data. "tight" Fix axes to the limits of the data. colorbar When run this set of code, I can see that Y-axis is displayed in log scale, but nothing is displayed in spectrogram area. Numeric operations use floating point numbers with about 15 digits and an exponent between -308 and 308. Plot a heart curve in matlab. Axes, so all of the axes and tick formatting tricks we’ve learned are applicable. predict does not support multi-column variables and cell arrays other than cell arrays of character vectors. You can omit the parentheses and specify subplot as. Example: {'cold','warm','hot'}. Chances that you’ll have to regenerate the figures at some point (because you decide to change one step somewhere in your analysis pipeline, say…), and by scripting the plots as much as possible you can replace your pdfs with an updated one with just one click. In my field, it is often very useful to include many panels in one single figure. easy to move between subplot and new_tight_subplot, and ; you can use it with colorbars. Matlab offers by default the subplot function but it is not easily customizable and often leaves me unsatisfied. The shrink kwarg provides a simple way to scale the colorbar with respect to the axes. Using this, we can recover the colormap used for the “rainbow” visualization from their Fig 2 right. The second term on the right side of the above expression is a norm measuring the misfit between the interpolant and the observations. 11: Boot Camp에서 "Setup was unable to create a new system partition. Matlab has functions to read and write data stored in a wide variety of formats. Note that the LooseInset property was first reported on CSSM back in 2007 (also here). Step 1: Creating parameter maps. Usually if you're generating graphics from Matlab, though, I'd recommend using matlabfrag so that your figure labels are typeset by LaTeX. The first term on the right side is a norm that essentially penalizes the roughness of the interpolant (technically, it is the norm associated with the reproducing kernel Hilbert space for the chosen radial basis function). Sentinel-2 is a system of four satellites built to perform terrestrial observations including forest monitoring, mapping land surface changes and natural desasters. The best alternative is then to use a single color bar for the entire plot. Overall this is a great function set. For high quality publishable figures, I wrote the function subplot_pos :. For help, join the gitter channel and the matplotlib-users, matplotlib-devel, and matplotlib-announce mailing lists, or check out the Matplotlib tag on stackoverflow. Lorsque MATLAB/Octave crée une nouvelle figure 2D½ ou 3D, il utilise par défaut la table de couleur définie sous MATLAB ≥ 2014B par la fonction parula(64), et sous Octave ≥ 4. Using this, we can recover the colormap used for the “rainbow” visualization from their Fig 2 right. matlab2tikz supports the conversion of most MATLAB figures, including 2D and 3D plots. I have run Rik's test from comment #3 in Matlab. Scientific Visualization Using MATLAB - Fall 2015 MATLAB – view function (cont. -Experimentar los pasos de autoestudio del matlab y de sus aplicaciones. The following are code examples for showing how to use matplotlib. Learn more about 3d plots, surface plots. you can decide where the picture is going to be i. Discrete color scale in 3D plot. I have 2D images of two miscible fluids. match MATLAB file name » axis tight fits axes to data colormap, colorbar, axis) • In the bottom axis of the subplot, plot the 3-D surface of Z. Then we can modify Edge. I'd like to avoid this. –"Three-Dimensional Analytical Magnetic Resonance Imaging Phantom in the Fourier Domain" by Cheng et al. 1 Axis Configuration. (Side note: Don't use tight_layout after making the extra axes. There are different ways to do that, this tutorial is very useful for understanding the best option. Time-Frequency Analysis: Short-Time Fourier Transform. remove (self) [source] ¶ Remove this colorbar from the figure. screen resolution). I always recommend using the tight_subplot function from fileexchange to make subplots, especially when you are writing a paper and need to minimize empty space. {anything} will reflect only on the current subplot. I have excel file with 3 columns: Distance, Depth and Temperature (Please see the attached file). It runs without problem in window OS using R2014a but cannot run in a Linux high performance computer(HPC). Bauhaus, Art Deco, Brutalist, MATLAB, ggplot? Matlab has made a mark on the scientific visualization world. axis ij places the coordinate system origin in. "label[xyz]". Does anybody know how to mimic MATLAB's default scheme for DensityPlot, just like this picture shows: update There are several answers already, Thank you very much. -Experimentar los pasos de autoestudio del matlab y de sus aplicaciones. Usually if you're generating graphics from Matlab, though, I'd recommend using matlabfrag so that your figure labels are typeset by LaTeX. Scientific Visualization Using MATLAB - Fall 2015 MATLAB – view function (cont. Typically this is automatically registered as an event handler by colorbar_factory() and should not be called manually. The official color for Loyola Green is given as RGB:0-104-87, and Loyola Gray is given as RGB:200-200-200 (found on Loyola's Logos/University Signature page. The program numerically solves the steady-state two dimensional conduction problem using the finite difference method and creates the color contour plot. Figure: An early test of our new 3-D agent-based cell model, growing from 10 to 80,000 agents in about 25 days (24-threaded simulation required about 5 hours). Rendered in 3D using POVRAY (with a cutaway view). You ideally call it after you have plotted your data and customized your plot; So that’s right before you call plt. Setting the Title, Legend Entries, and Axis Titles in matplotlib How to set the title, axis-titles, and axis limits in matplotlib and plotly. The following minimal code demonstrates how to generate a pcolor plot for 2D data with x- and y-axis. I usually export my MATLAB figures to Adobe Illustrator. To see this you need to look no further than the ubiquity of MATLAB's former default colormap jet and the popularity of the MATLAB-inspired plotting package matplotlib in Python, the tool du jour for data scientists. Richard E Turner (NYU) helps with MATLAB figure generation. Only I can see is a white-blank space. Raytracing P-P mode by an incident P-wave in a layered medium of seismic reflection experiment. pdf), Text File (. For plots constructed with third- party packages, your mileage may vary. You can omit the parentheses and specify subplot as. So whatever you draw with plt. Toggle Main Navigation. axis ij places the coordinate system origin in. If I do the opposite it spits out patterns of garbage, sometimes with diagonal stripes or random spots. Also, how can I have colors coordinating to certain values as the number decrease?. Setting Ticks in a Colorbar. The data can be downloaded free of charge at the USGS EarthExplorer after creating a user. The time format is specified in the LAS file header Global Encoding field (starting with version LAS 1. I have profiled the most popular tight subplots in FileExchange of. The shrink kwarg provides a simple way to scale the colorbar with respect to the axes. The official color for Loyola Green is given as RGB:0-104-87, and Loyola Gray is given as RGB:200-200-200 (found on Loyola's Logos/University Signature page. Learn more about 3d plots, surface plots. Special Case - subplot(111). For example, this colorbar shows the relationship between the values of the peaks function and the colors shown in the plot next to it. {anything} will reflect only on the current subplot. –“MATLAB Graphics and Data Visualization Cookbook” by Nivedita et al. The option 'sectionvalue' must be followed by the name of an ARGUS file which contained the coordinates of the points describing the profile (this file can be generated by exptool. Let's assume I have two images, one reference and one to be processed. That code already plots multiple lines on the same plot. # Convenience functions for working with colour ramps and bars def colorbar_index (ncolors, cmap, labels = None, ** kwargs): """ This is a convenience function to stop you making off-by-one errors Takes a standard colour ramp, and discretizes it, then draws a colour bar with correctly aligned labels """ cmap = cmap_discretize (cmap, ncolors. Data visualization provides a powerful tool to explore, understand, and communicate the valuable insights and relationships that may be hidden within data. %% Read file in SOFA format % César D. This blog is for the people who are interested in learning about signal processing and digital signal processing. Rather than prettifying all plots in Illustrator, I prefer doing as much as possible already in Matlab. To see this you need to look no further than the ubiquity of MATLAB's former default colormap jet and the popularity of the MATLAB-inspired plotting package matplotlib in Python, the tool du jour for data scientists. m % %2-D FFTs %% Making images using meshgrid nPix = 200; %number of pixels in each row and column wDeg = 10; %degrees of visual angle [x,y. axis ij places the coordinate system origin in. axis tight 0 Comments. mat exports a Version 4 MAT-File. To modify aspects of a figure, change property values. Step 1: Create a mesh. Seven examples of stacked, custom-sized, and gridded subplots. Matlab can either operate numerically or symbolically. That was the bit that I don't know whether it is possible - I've never seen it done, though I'm no expert in this. For example, this colorbar shows the relationship between the values of the peaks function and the colors shown in the plot next to it. As a testament to the simplicity of the grayscale colormap, we can directly recover the underlying scalar field by taking the intensity value of the grayscale image in Fig 2 left. Basically, by using the mov and getframe(), addframe() commands, one can easily generate the animation file. jp/~salvador/ % This script requires the SOFA Matlab. In Matlab, you can create a cropped PDF by setting the papersize to the same size as the graphic; see this small figuresize. I've been using exportfig for several years and until recently had not had issues with it. 1, you may create a colorbar as a subplot using the gridspec. Seismic Attributes and Their Applications in Seismic Geomorphology Sanhasuk Koson, Piyaphong Chenrai* and Montri Choowong Department of Geology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand *Corresponding author email: [email protected] eps, standing for Encapsulated PostScript). To modify aspects of a figure, change property values. They are very fast, but each operation has a certain roundoff error, and these roundoff errors can accumulate. It is an excellent way to seek advice and to share algorithms, sample code, and M-files with other MATLAB users. We'll also adjust things a bit to make more room. This example shows how to solve a simple scattering problem, where you compute the waves reflected by a square object illuminated by incident waves that are coming from the left. How to make subplots in MATLAB ®. As Pyshp (shapefile) has the geo_interface (New geo_interface for PyShp) convention, you can use it. This program is a thermal Finite Element Analysis (FEA) solver for steady-state heat transfer involving 2D plates. 0 Comments. The second term on the right side of the above expression is a norm measuring the misfit between the interpolant and the observations. NASA GSFC global mascon solution HDF5 format description (v02. "label[xyz]". I want to put a colorbar to the right of a plot; fortunately, MATLAB wants to do that too, so a plain call to colorbar works. 16 responses to " A good divergent color palette for Matlab " Hboll March 21, 2012 at 2:57 pm · · Reply → Aesthetically, I agree that the colors employed in the LB colormap are indeed quite pleasing, but its not suitable for accurately displaying land/sea boundary. I would like to have a tight subplot i. Ever been frustrated with colorbars on your matplotlib plots that just totally mess with the layout of your figure? I plot a lot of image data, much of it in side-by-side comparisons, and the combination of matplotlib's default colorbar behavior and subplots was really getting up my nose. Conversely, reducing the duration of a pulse improves the range resolution of the radar. The signal's frequency begins at approximately 500 Hz at t = 0, decreases to 100 Hz at t=2, and increases back to 500 Hz at t=4. Below is a sample code snippet for further reference:. axis fill sets the axis limits and PlotBoxAspectRatio so that the axes fill the position rectangle. Walter's code covers the latter case. Note that if you specify use_gridspec=True it will be ignored because this option is made for improving the layout via tight_layout. "image" Equivalent to "tight" and "equal". Any advice on how to save figures with less hassle would be greatly appreciated. Mismatching axis size of subplots due to colorbar. I would like to do a scatterplot of x and y with a different marker colour for each subject, and display a colorbar/legend that shows what colour corresponds to which subject. Colorbar¶ If you create a colorbar with the colorbar() command, the created colorbar is an instance of Axes, not Subplot, so tight_layout does not work. Help bining 2d data (or using hist2). We're no longer working with a nice grid of subplots once we add the additional one, so tight_layout will not work correctly. Posted on November 15, 2018 Updated on November 16, 2018. Numeric operations use floating point numbers with about 15 digits and an exponent between -308 and 308. With Matplotlib v1. • Lecture Note. Loomis, et al. PredictorNames). tight Fit the axes box tightly around the data by setting the axis limits equal to the range of the data. 0 Comments. Description. The following options affect the appearance of tick marks. Adaptive Colormap Function Creates a Colormap Specific to Data. Does anybody know how to mimic MATLAB's default scheme for DensityPlot, just like this picture shows: update There are several answers already, Thank you very much. If window is an integer, then fsst divides x into segments of length window and windows each segment with a Kaiser window of that length and β = 10. Here are just a few notes on MATLAB commands for plotting. I want to make some minor adjustments to the colorbar. NASA GSFC global mascon solution HDF5 format description (v02. Plot a heart curve in matlab. Related courses. "tight" Fix axes to the limits of the data. 1 MATLAB window that makes it possible to choose to write an *. After you have created a colorbar, you can customize different aspects of its appearance, such as its location, thickness, and tick labels. I am trying to mask out the background (where the fluid doesn't exist in reference image) and then use that for analyzing the second image. Totally crazy behaviour of figures. Learn more about plotting, axes, axis axis tight. To fix this, I found that you can instead save the figure as an EPS file (*. There are different ways to do that, this tutorial is very useful for understanding the best option. Posted on November 15, 2018 Updated on November 16, 2018. Wednesday, October 13, 2010. tight Fit the axes box tightly around the data by setting the axis limits equal to the range of the data. This is an excerpt from the Python Data Science Handbook by Jake VanderPlas; Jupyter notebooks are available on GitHub. Accessing netCDF/OPeNDAP data with Matlab. What effect would the processing now become? How would you revise the MATLAB script to handle this special case? Answer: If t1 = t2, then it would cause "dividing by zero" and thus the result would be NaN. 0 Comments. Using this, we can recover the colormap used for the “rainbow” visualization from their Fig 2 right. MATLAB FEA 2D Transient Heat Transfer. By default, the colorbar labels the tick marks with numeric values. Before the colorbar is added the plots are exactly the same size, which I would prefer, but when I add the colorbar the imagesc plot is resized to be smaller than before. The text is released under the CC-BY-NC-ND license, and code is released under the MIT license. I am simplifying my problem to make it easier to answer. The annoying thing was that the exponent of the colorbar was cut-off on the edge of the figure. Setting Ticks in a Colorbar. Linear Frequency Modulated Pulse Waveforms Benefits of Using Linear FM Pulse Waveform. Semestres impares. I have two matrices representing 2D surfaces, and I am using subplot to compare them in the same plat area, however, each has its own colorbar so comparison is not so easy to do by eye. jp/~salvador/ % This script requires the SOFA Matlab. Valid values for loc are "EastOutside" Place the colorbar outside the plot to. m % %2-D FFTs %% Making images using meshgrid nPix = 200; %number of pixels in each row and column wDeg = 10; %degrees of visual angle [x,y. In my case, I want to signify the value of each column with heatmap, and box size will signify the value with respect to table. exploring Plot Features, Plot editing, and tricks to present plots in best way while documentation …. The topic also explains how to interpret the COI in the scalogram plot, and exactly how the COI is computed in cwtfilterbank and cwt. 4, NumPy and Shapely libraries and includes a programmatic interface built on top of Matplotlib for the creation of publication quality maps. set(gca,'units','pix') I know the matlab axis position property is not. colorbar(surf, aspect=18) method call. Research: Practice on Matlab Day 5 (MIT 6. 31: PDF/A의 읽기 전용 해제 (0) 2012. Loomis, et al. MATLAB provee una amplia variedad de técnicas para mostrar datos gráficamente. "tight" Fix axes to the limits of the data. Unfortunately I do not think MATLAB has a built in lineplot where the. This is helpful, Thanks a lot. function PlotObsData(d,nse,nsn,Estat,Nstat) % Plot the observed data d or prediction of data, gz, from estimates % It should be assumed that the user can provide data. Specify Name,Value as the last pair of arguments in any of the previous syntaxes. Walter's code covers the latter case. Clone via HTTPS Clone with Git or checkout with SVN using the repository's web address. the MATLAB code that I sent should give you 4 graphs!! and it had 3 pauses, after you got the 1st graph , press. The shrink kwarg provides a simple way to scale the colorbar with respect to the axes. Bug report Bug summary Setting text on a colorbar via colorbar. One issue I'm unclear on is how to add a colorbar to one. square : boolean, optional If True, set the Axes aspect to “equal” so each cell will be square-shaped. exploring Plot Features, Plot editing, and tricks to present plots in best way while documentation …. %% Read file in SOFA format % César D. % デフォルトのcolorbar contourf(x,y,z,min_level:dz:max_level); axis equal tight colorbar % デフォルトでは色が連続的な表示になる 正しい設定方法 † colormapで使用する色の数と，caxisで着色範囲を適切に指定してあげることで，境界線の範囲外も含めた正しいcolorbarが作成. If you specify labels and do not specify enough labels for all the tick marks, then MATLAB ® cycles through the labels. 0 Comments. I find subplot_tight to be the easiest to use, since it has a syntax that is closest to the MATLAB function subplot. Usually if you're generating graphics from Matlab, though, I'd recommend using matlabfrag so that your figure labels are typeset by LaTeX. Matlab figures help by Richard E. The official color for Loyola Green is given as RGB:0-104-87, and Loyola Gray is given as RGB:200-200-200 (found on Loyola's Logos/University Signature page. We won't be able to go into all of them here, nor will we need to, as they all operate in very similar ways. MATLAB Graphics - Essentials - Essential MATLAB for Engineers and Scientists - for Engineers and Scientists provides a concise, balanced overview of MATLAB's functionality that facilitates independent learning, with coverage of both the fundamentals and applications. Bauhaus, Art Deco, Brutalist, MATLAB, ggplot? Matlab has made a mark on the scientific visualization world. The following are code examples for showing how to use matplotlib. Axes, so all of the axes and tick formatting tricks we’ve learned are applicable. The LooseInset property has remained hidden and undocumented to this day (Matlab 7. axis equal tight colormap(jet) colorbar. global_encoding_gps_time_type. If you specify this property as a categorical array, MATLAB uses the values in the array, not the categories. –“MATLAB Graphics and Data Visualization Cookbook” by Nivedita et al. So this code is called multiple times over and over in a loop until the user stops something (it is taking data in from an acquisition card and displaying it). 5Most common for images. Then we can modify Edge. Axes going Learn more about figure, axes, resize. It supports the same syntax and usage options as the MATLAB ® function colorbar. exploring Plot Features, Plot editing, and tricks to present plots in best way while documentation …. After you have created a colorbar, you can customize different aspects of its appearance, such as its location, thickness, and tick labels. I used view(2) and it shows a plot as drawn below. I have a Matlab program that reads data file and then create avi. More than 1 year has passed since last update. Avoid colorbar resizing image. Because it's a wrapper, you can make use of the vector input syntax for the 3rd. Any advice on how to save figures with less hassle would be greatly appreciated. I have 2D images of two miscible fluids. Discrete color scale in 3D plot. Setting this FREQLOCATION to 'yaxis' displays frequency on the y-axis and time on the x-axis. The overlap between adjacent segments is window – 1. Accessing netCDF/OPeNDAP data with Matlab. [y, fs] = audioread('D:\MATLAB期中報告\The Chainsmokers & Coldplay - Something Just Like This. 4) When using this data please reference the paper: Luthcke, S. Lorsque MATLAB/Octave crée une nouvelle figure 2D½ ou 3D, il utilise par défaut la table de couleur définie sous MATLAB ≥ 2014B par la fonction parula(64), et sous Octave ≥ 4. One of the easiest and most visually pleasing ways of plotting three-dimensional data onto a 2-D surface is imagesc. The option 'sectionvalue' must be followed by the name of an ARGUS file which contained the coordinates of the points describing the profile (this file can be generated by exptool. Not surprisingly, it is a wrapper around subplot, with an added option to specify the spacing between an axes and its neighbors.