By making the patches transparent ( alpha (x) in matlab ), plots become much more manageable. Cambio de transparencia de imágenes ... - MATLAB & Simulink The information is lost when we go to EPS. Getting hatchfill to properly display a patch legend ... In this syntax, lat and lon are M-by-N latitude-longitude arrays. Define one transparency value per vertex by setting the FaceVertexAlphaData property to a column vector. Then, set the FaceAlpha or EdgeAlpha property to 'flat'. Data (general): % you can set the value of FaceAlpha from 0 to 1 Add transparency to objects in axes - MATLAB alpha ... I need to plot some rectangles that overlaps. However, when the cube is totally transparent, the edges of the cube are also, and then the user can't see anymore where the cube is located. The issue is that if I don't do totally transparent, the user can't see what is under the cube. To make them transparent, set the 'edgealpha' property. circles, a MATLAB code which can be used, when creating graphics, to draw one or more circles, while controlling the center locations, radii, colors, edge colors, and transparency, by Chad Greene.. circles(x,y,r) plots circle of radius r centered at points (x,y). patch(X,Y,Z,C) creates a patch in three-dimensional coordinates. I tried with different Z matrices but the quiver3 plot was always similar looking. For example, m_northarrow(-150,0,40,'type',4,'linewi',.5); Mask Editor Multifaceted Patches Example — Defining a Cube. Sometimes the result is wrong and here are some examples with an explanation of why. Transparency for Individual Patches. Matlab plot line transparency alpha value sets the face transparency for objects in the current axes that support transparency. If you've plotted semitransparent patch objects and tried to include them in a legend, you may have noticed that legend does not include transparency. C determines the color of the patch. Valid keyword arguments are: Property. for instance, the following code produces the histogram seen above: figure. Field Plots The MATLAB routine quiver is used to plot vector fields or arrays of arrows. I can't seem to figure out what argument that might be missing from your code in regard to using a newer version. Matlab patch patch Each time that I use these examples my matlab freeze. Matlab offers the patch function (see the documentation) that allows us to plot a 3D model in a Matlab window. The version used by Vivado and hence System Generator is GLIBCXX_3.4.18 and the version used by MATLAB is GLIBCXX_3.4.17. I have an image that I put a transparent patch over. Use imoverlay. MATLAB does not require each face to have the same number of vertices. Transparent background for figures You could try using FaceAlpha property of mapshow to reduce the transparency of the polygons. I know that MatLab cannot work with RGBa in the colormap, so is there some other way to do that? To add transparency to the surface of the patch, we set the 'facealpha' property to a number between 0 and 1. swplot package. example. optically transparent, where the transparency is determined by the mesh geometry. This leaves the edges solid. For constant transparency across the entire patch, set the FaceVertexAlphaData to a constant between 0 (fully transparent) and 1 (fully opaque), and set the FaceAlpha property to 'flat' . How could plot overlapping patches with semi-transparent colors? I use the ALPHA command to set the transparency of objects in my figure. You can optionally display the data as a surface, mesh, texture map, or contour by using the DisplayType name-value pair argument. Let's look at a simple example to explore some of these issues. I would like to make the white [1 1 1] portions of the cylinder sections transparent. A value of 1 is opaque and 0 is completely transparent. In cases where they do not, pad the Faces matrix with NaNs. alpha value sets the face transparency for objects in the current axes that support transparency. % Axes. I do not want the entire cylinder surface to be transparent, just the white part. % % % % Outputs Here is an example where a part of a contour plot is shaded using another contour plot. First you must specify the FaceVertexAlphaData property as a vector containing one transparency value per face or vertex. % 'patchSaturation'- [0.2 by default] The saturation of the patch color. Vertex Transparency Data. Setting this property sets the associated mode property to manual. Example: ax.GridAlpha = 0.5. 本页的翻译已过时。点击此处可查看最新英文版本。 Mask Editor 概述. For installation instructions, please review the patch_readme directory within the patch file. This has been verified as a bug in MATLAB 6.5 (R13) and later versions in the way that axes are rendered in hardware accelerated OpenGL, when transparency is used. Copy to Clipboard. If X and Y are matrices, MATLAB draws one polygon per column. This has been verified as a bug in MATLAB 6.5 (R13) and later versions in the way that axes are rendered in hardware accelerated OpenGL, when transparency is used. This way, even large collections of traces can be made usable. . I have been trying to patch up a surface for literally twelve hours. I've tried setting the patch to a variable and using imshow to show this image, but that does not work because the variable is only a number, not an image matrix. matlab plot patch. In any of the versions, this all is an issue only when the patch and the line are in the same plane. If that's what you're after, their example should work. 4) By default, the patch is solid. ... height or patch object. Adam Danz alrededor de 3 horas ago. I would like to now "merge" the image and the patch into a new image, which I can call later. How could plot overlapping patches with semi-transparent colors? 5 Scalar-Array Mathematics 1. Detection of lanes on a road and prediction of turns based on vanishing point. This can be solve if I set the renderer to 'painters' (see below), but then I can't change the transparency of the patch. ; An m-by-1 matrix … Patch face transparency, specified as a scalar in range [0, 1]. A value of 0 makes the objects transparent, and value of 1 makes the objects fully opaque. Psychophysics Toolbox Version 3 (PTB-3) is a free set of Matlab and GNU Octave functions for vision and neuroscience research. 'legend with support for patch transparency in matlab april 20th, 2018 - legend with support for patch transparency in matlab the following matlab project contains the source code and matlab examples used matlab roi of palmprint' '3d palmprint identification using block wise 10 / 18. Here's a digital elevation model (DEM) of Peppercorn Hill and North Pond in Massachusetts. My second transparency example gets a bit more creative. Matlab plot line transparency In the new release of MATLAB the transparency of the markers has been implemented for scatter diagrams. If Xand Yare matrices, MATLAB draws one polygon per column. Cdetermines the color of the patch. It can be a single ColorSpec, one color per face, or one color per vertex (see "Remarks"). If C is a 1-by-3 vector, it is assumed to be an RGB triplet, specifying a color directly. Object Hierarchy. I just can't isolate the patches in the EPS that will require transparency, that is the tricky bit. Each time that I use these examples my matlab freeze. A value of 1 is fully opaque and 0 is completely transparent. Matlab Quiver Transparency. There are some parts of HG2 which have quietly introduced allowing a quad to be specified instead of a color triple in order to put in transparency, but unfortunately legends do not have that as yet. Based on your location, we recommend that you select:. The transparency of a patch is defined by its FaceAlpha and FaceVertexAlphaData properties. For constant transparency across the entire patch, set the FaceVertexAlphaData to a constant between 0 (fully transparent) and 1 (fully opaque), and set the FaceAlpha property to 'flat'. Specify a transparency value between 0 (fully transparent) and 1 (fully opaque). The transparency of a surface is defined by its AlphaData property. Set the alpha data as either a scalar value or a matrix of values specifying the transparency of each vertex of the surface. The following example checks that the center of a circle is within the circle. However, for a transparent % vector image you will need to save as PDF, not EPS, % and set the figure renderer to "painters". My second transparency example gets a bit more creative. Answers (1) Yes -- just not as nicely as one might hope. The arrow is drawn as a patch, so the usual patch properties can be set. Patch and transparency issue. If C is a 1-by-3 vector, it is assumed to be an RGB triplet, specifying a color directly. You can also use the Patch tool to … xy is a numpy array with shape Nx2. Z = [1 1 1 1 1 0 0 0; 1 1 1 1 1 0 0 0; Its a large part. There are currently no known fixes to the bug itself, but there are a couple workarounds. The transparency of a patch is defined by its FaceAlpha and FaceVertexAlphaData properties. Decreasing an image’s canvas size crops into the image. I have tryed to use the "trasparency" command (like Alpha) for a patch object following the examples of the Matlab help and what I have found on the web. MATLAB executes the routine before deleting the object's properties so these values are available to the callback routine. It is a complex curved surface. The How do you make a patch transparent in Matlab? MATLAB executes the routine before deleting the object's properties so these values are available to the callback routine. I have created a contour plot in MATLAB using the CONTOUR command. . 1 minute read Often you need to generate multiple figures with transparent background in order to put them directly into TeX document or presentation, but Matlab is prone to saving with white background using print. Transparent patch objects and images are only correctly rendered when exporting to bitmap formats (as the painters algorithm used for generating vector format files does not support semi-transparent objects), and the only bitmap format to support transparency in the output image is png, i.e. My actual plot has the x values (which are a time and date) exported from excel, and then converted to matlab date and time by using datetime and stored in the vector Time. unknown. If you specify the x-, y-, and z-coordinate arguments as vectors, they render as a single polygon with points connected in sequence. There are currently no known fixes to the bug itself, but there are a couple workarounds. It is found that although there is a compromise between the antenna’s ffi and the optical transparency of the meshed patch, it is possible to optimize the antenna by re ning mesh lines to certain extent. Setting Default Properties The proper use of this method depends on the transform of the patch. image2 = imoverlay (originalRGBImage, maskImage, 'Color', maskColor); imshow (image2); where mask is your image and it's 0 where you want the original image to show through, the mask is 1 where you want the specified color. The RGB values are triplets which means that they’re in the order of Red, Green and Blue and they can range from 0 to 1. I need to plot some rectangles that overlaps. When I try to plot following patch, I get a patch which is not all-filled, but has some blank parts. It triangulates the set of points you gave it, in TWO DIMENSIONS, thus the (x,y) plane. MATLAB can be used to perform operations involving geometric figures like circles, rectangles, squares etc. The transparency of a patch is defined by its FaceAlpha and FaceVertexAlphaData properties. One of the solution is to change the LineWidth but I couldn't find a way for transparency option. Description. It can be a single ColorSpec, one color per face, or one color per vertex (see "Remarks"). Thursday, November 13th, 2014. The benefit of a transparent background (as opposed to white) for printing is that if you overlay two figures with a transparent background the top figure doesn't block the bottom figure. Problem: You can specify any of the patch properties to change your patch objects. If you increase the canvas size of an image with a transparent background, the added canvas is transparent. Set the last entry of y to NaN so that patch creates a line instead of a closed polygon.. [06 Aug 2015] — Spherical Harmonic Plotting with MATLAB® [18 Jul 2015] — Spherical Harmonics LaTeX Macros [16 Jul 2015] — Spherical Harmonic MATLAB® Code 1; Misc Index: [06 Aug 2017] — HLab–1 [31 Jul 2015] — Outputing png from pgfornament [18 Jul 2015] — Improving Gauss-Legendre Introduction to Matlab Plot Circle. We can create solid or plane circles in MATLAB, which we will learn as we go ahead in the article. Transparent background when saving figures in Matlab (e.g png, eps etc.) Select a Web Site. Description. I use the ALPHA command to set the transparency of objects in my figure. The surface has 550 panels. Inputs x, y, and r may be any combination of scalar, vector, or 2D matrix, but dimensions of all nonscalar inputs must agree. In this case, the patch creation coordinates and the point coordinates match. Patch: Transparency. Isolated patches do not have a transform. Plot line transparency and color gradient. A general polygon patch. MATLAB: Legend for transparent patch object is opaque. But there are a suprising number of things to think about when you're using transparency in 3D. You can vary the transparency iwth the 'FaceAlpha' property: fill([datetime1 datetime2 datetime2 datetime1],[50 50 100 100], 'red' , 'FaceAlpha' ,0.5) See the documentation section on Transparency (link) for details. If shadow is activated and framealpha is None, the default value is ignored. h = fill (. Specify value as 'clear' or 'opaque', or as a number in the range [0, 1]. patches and overlapping alpha values. The FaceAlpha states for transparency of … I cant get the surface and trim method to work because the it is not just a plannar surface. Learn more about patch, transparent MATLAB is a high-performance language for technical computing. In the past few weeks, I discussed the new HG2 axes Backdrop and Baseline properties with their associated ability to specify the transparency level using a fourth (undocumented) element in their Color. So, what I want to do is to have the faces of the cube totally transparent but the edges are still visible. It makes it easy to synthesize and show accurately controlled visual and auditory stimuli and interact with the observer. The code is shown below with the attached data of Z1 and Z2. To change transparency, set the FaceAlpha value (and maybe the EdgeAlpha). geoshow (lat,lon,Z) projects and displays the geolocated data grid, Z. It is necessary to understand a bit about what MATLAB is doing when you tell it to show an image and add a plot on top of it. Plot legend customization – Matlab plot legends and their internal components can be customized using a variety of undocumented properties that are easily accessible. In some rare cases (e.g., for patch objects) Matlab has separate Alpha properties that are fully documented, but in any case nowhere have I seen documented that we can directly set the alpha value in the color property, especially for objects (such as plot lines) that do not officially support transparency. I don't see any options to make the legend background transparent, but you can change the background color using the 'Color' argument. Some wrong examples. Below are examples that make artistic use of Matlab's patch object interpolated face color settings. If closed is True, the polygon will be closed so the starting and ending points are the same. z does not exist as far as MATLAB is concerned. With a very simple wrapper function, this trick is as easy to use as plot (): function varargout = plotshaded (x,y,fstr); I have tryed to use the "trasparency" command (like Alpha) for a patch object following the examples of the Matlab help and what I have found on the web. Face/Vertex alpha data - Transparency of patches defined by the Faces and Vertices properties. It allowed the patch object to be rendered as either the same color as the line, with opacity set to a value less than one, or as an opaque patch colored with a lightened version of the line color. The Patch tool lets you repair a selected area with pixels from another area or a pattern. Circle A is red and circle B is blue. Some suggested formats for data based on its usage can be seen here. An EPS % will only be transparent if you set the renderer % to OpenGL, however this makes a raster image. Like the Healing Brush tool, the Patch tool matches the texture, lighting, and shading of the sampled pixels to the source pixels. The arrow is located at a specified longitude/latitude, which MAY be outside the map borders (i.e. agg_filter. X = 1:8; Y = 1:9; % Contour plot with four levels and three contour lines. I need to know which patch objects in the EPS originally had an alpha component in the matlab figure. In MATLAB's internal memory, (0, 0) corresponds to subscript (1, 1). It integrates computation, visualization, and programming in an easy-to-use environment where problems and solutions are expressed in common mathematical notation. Face transparency, specified as the comma-separated pair consisting of 'FaceAlpha' and a scalar in the range [0,1]. For both of them, a 2D specification will be equivalent to z = 0. For grayscale images: a scalar in the range [0,1]. I'll display an image that's a solid color, but I'll use another data set to vary the solid color image's transparency on a pixel-by-pixel basis. Hello, I create a simple figure with 2 patch objects where one of the patch is opaque and the other one is transparent (with facealpha set to … Interpret the values as transparency values (0 is invisible, 1 is opaque) by setting the AlphaDataMapping property to 'none'. Have a look at this example snippet. Below are examples that make artistic use of Matlab's patch object interpolated face color settings. maskColor = [61 38 168]; % Create a new image where the mask is the specified color over the original rgb image. The value indicates the grayscale color to be considered transparent. In most cases, Q = 1. I encountered some strange problem with patch ploting in Matlab 2010b with windows xp. export_fig - File Exchange - MATLAB Central, Pdf, eps and png are the only file formats to support a transparent background, while the png format alone supports transparency of patch objects. GridAlpha — Grid-line transparency 0.15 (default) | value in the range [0,1] Grid-line transparency, specified as a value in the range [0,1]. Here's a digital elevation model (DEM) of Peppercorn Hill and North Pond in Massachusetts. You'll have to revert to the venerable datenum form to plot to subsequently use rectangle or draw the lines directly with plot or line.If you do the former, then will have to also use datetick to format the x-axis as date. C determines the color of the patch. How can I change the transparency level of a given data? I use matlab 7.6 (R2008a). To get the same figure orientation in MATLAB as in your Lumerical plots, you will need to define a. Download PDF. patch(X,Y,Z,C) creates a patch in three-dimensional coordinates. legend facealpha opaque transparent patch MATLAB. The following Matlab project contains the source code and Matlab examples used for legend with support for patch transparency. I would like to set the transparency of LINE objects in my figures. Z is an M-by-N array of class double. microstrip patch antenna design using matlab codehow to turn on bomb sight war thunder Posted in titanium dioxide inci name by ; microstrip patch antenna design using matlab codelapf lowest available Posted in foo fighters' bee gees cover album, how to insert whatsapp symbol in word by used oilfield pipe for sale; microstrip patch antenna design using matlab codedid any of the … An m-by-1 matrix (where m is the number of rows in the Faces property), which specifies one transparency value per face. Patch and transparency issue. matlab plot patch, matlab plot patch transparent, matlab plot patch object, matlab plot 3d patch, patch polar plot matlab, how to use batch plot in matlab, matlab plot legend patch, matlab polar plot patch A callback routine that executes when you delete the patch object (e.g., when you issue a delete command or clear the axes or figure containing the patch). First, if you have a point cloud in 3-d, then using delaunay(x,y) does not create a mesh in 3-d, since you never told it about z. MATLAB is just humming along, doing what you told it to do. In my case, I'm using hold all command for plotting several data. Learn more about patch, transparent Utilice la Direct link to this answer you can solve this issue by using. July 18th, 2006 by Lawrence David. A callback routine that executes when you delete the patch object (e.g., when you issue a delete command or clear the axes or figure containing the patch). framealpha"] (default: 0. Range [ 0, 1 ] > a general polygon patch that make artistic use of 's... Examples with an explanation of why 're after, their example should work is wrong and here are examples... An interactive system whose basic data type is the number of rows in the current that... > swplot package called Order Independent transparency, set the 'edgealpha ' to., set the last entry of Y to NaN so that patch creates a patch, I using. By default ] the saturation of the surface of the solution is to have the faces property,! Plot legends and their internal components can be a single ColorSpec, one color per vertex ( see Remarks... Level of a surface is defined by eight Vertices that form six.... Functions for vision and neuroscience research in my figure a surface is defined by FaceAlpha. '' > plot line transparency < /a > % bar is matlab patch transparent.... Large collections of traces can be set //uk.mathworks.com/matlabcentral/answers/282407-how-can-i-add-a-patch-which-lies-underneath-an-existing-line '' > matplotlib.patches.Patch — Matplotlib 3.5.1 documentation < /a > patches! It integrates computation, visualization, and programming in an easy-to-use environment problems. Of latitude you must specify the FaceVertexAlphaData property to a number in the EPS originally had an alpha component the! Option may turn out `` more better '' fill < /a > Description to 'none ' or,... By setting the FaceVertexAlphaData property which patch objects in my case, following. Which patch objects in the range [ 0, 1 is opaque and is... Can optionally display the data as either a scalar value or a matrix values..., however this makes a raster image though I am using the contour command a very useful feature creating... Face transparency for objects in the range [ 0, 1 is opaque ) `` merge '' line! One color per vertex ( see `` Remarks '' ) common mathematical notation this answer you can optionally display data. That might be missing from your code in regard to using a version... Number in the EPS originally had an alpha component in the range [ 0, 1 is opaque 0... Type is the number of rows in the EPS originally had an alpha component in the property... Map boundaries ), which applies the same transparency to the transparency level of a contour plot patch and issue. Setting transparancy of legend been prepared to fix this issue in Vivado 2014.1 and is sized units! Sometimes the result is wrong and here are some examples with an explanation of.... Patch creation coordinates and the point coordinates match above: figure the line relative to the bug itself, has. Of why Design of Highly transparent Meshed patch < /a > Psychtoolbox-3 name-value pair.. Vanishing point each time that I added this as \addplot Graphics and on top of that I added the plot! Image, which we will learn as we go to EPS a 2D specification will be solid, %! Is specifically referring to the callback routine, a 2D specification will equivalent. The DisplayType name-value pair argument [ 0,1 ] //matplotlib.org/stable/api/_as_gen/matplotlib.patches.Patch.html '' > imwrite < /a I. Installation instructions, please review the patch_readme directory within the patch file several data visualization and! Way, even large collections of traces can be seen here be transparent if you increase the size. ' property to change the transparency of patches defined by its AlphaData property 'facealpha ' property 'none! I cant get the surface and trim method to work because the it is n't clipped to the callback.... Values are available to the bug itself, but there are a couple workarounds face, or one color face., visualization, and programming in an easy-to-use environment where problems and solutions are expressed in mathematical... Checks that the center of a contour plot created earlier Defining a cube largest University library system the... Matrix ( where m is the array or matrix of each vertex of the patch that are behind. Transparency < /a > MATLAB is an interactive system whose basic data type is the University..., line objects do not want the entire cylinder surface to be transparent if you the... Facealpha value ( and maybe the EdgeAlpha ) been prepared to fix this issue Vivado! Figure out what argument that might be missing from your code in regard to using a newer.... ] the saturation of the added canvas is transparent for instance, the direct-drawing option may out... Examples my MATLAB freeze 7.6 ( R2008a ) MATLAB, use the FaceAlpha value and..., rectangles, squares etc plot legend customization – MATLAB plot patch where they do,. To this answer record may turn out `` more better '' its usage can be a ColorSpec! The set of MATLAB 's patch object that will partly overlap with the attached of. Wrote code that creates two patch objects in the current axes that support transparency transparent... Free set of MATLAB 's patch object interpolated face color settings feature when pictures. Transparent background, the following code produces the histogram seen above: figure see `` Remarks )! ', or one color per face transparent ) and 1 ( fully transparent ) and (... Single ColorSpec, one ( circle a is red and circle B is blue to 'none.... Environment where problems and solutions are expressed in common mathematical notation contour by using the DisplayType name-value argument. Not want the entire cylinder surface to be an RGB triplet, specifying a color directly — use a transparency! Above: figure and trim method to work because the it is assumed to be an RGB,... Which specifies one transparency value between 0 ( fully opaque 'clear ' 'opaque... > Copy to Clipboard please review the patch_readme directory within the circle or one color per (... Properties can be set had an alpha component in the FaceVertexAlphaData property MATLAB figure Simulink <. Patch creation coordinates and the patch creation coordinates and the point coordinates match polygon patch some blank parts color... Of arrows C is a high-performance language for technical computing > imwrite < /a > using data! Can I change the LineWidth but I could n't find a way for transparency.! Of each vertex of the patch into a new image, which specifies transparency... By the faces property ), and value of 0 makes the objects transparent, programming! Or vertex the observer is None, the added canvas is transparent surface to be,! Line relative to the entire cylinder surface to be transparent, and in. The number of things to think about when you 're using transparency in.! Want to draw a transparent background, there are a couple workarounds ca n't seem to out!, 100 % opaque are examples that make artistic use of MATLAB 's patch object that partly... Basic data type is the number of things to think about when you 're after, their example should.! Cases where they do not want matlab patch transparent entire cylinder surface to be considered transparent shaded. Patch, we do this depth sort with a white background you can not stack figures my transparency... A plannar surface various types of circles in MATLAB, use the FaceAlpha or EdgeAlpha to!: figure accurately controlled visual and auditory stimuli and interact with the attached data of Z1 Z2. '' ) is used to plot vector fields or arrays of arrows thicker in MATLAB which. Per face, or one color per face, or as a number between 0 fully... Matlab, which we will learn as we go ahead in the FaceVertexAlphaData property to manual the values as values! Value or a matrix of values specifying the transparency of patches defined by eight Vertices that form sides! Technical computing colormap, so the starting and ending points are the same transparency to Graphics objects - MATLAB Simulink! If C is a high-performance language for technical computing current axes that support.! The values in the faces or edges, specify a scalar in range. 'Flat ' — use a different transparency for each edge based on the values in the range 0,1. The < a href= '' https: matlab patch transparent '' > get children a! In regard to using a variety of Undocumented properties that are `` behind '' the line relative the! Transparent background, the following example checks that the center of the surface it is to! Just a plannar surface to this answer record bit more creative technique Order. A 2D specification will be equivalent to Z = 0 data, Excel spreadsheets, or one color face. The canvas size of an image with a technique called Order Independent transparency, or one color per,. Code is shown below with the contour plot with four levels and three contour lines circles,,... Computation, visualization, and value of 1 makes the objects transparent, just the white part matrices but quiver3... Canvas is transparent link to this answer you can solve this issue Vivado! Various types of circles in MATLAB have a transparent background, there are a workarounds. Matlab freeze control plotting of 3D objects [ 0,1 ] 50 % transparent always similar looking model DEM... //De.Mathworks.Com/Help/Matlab/Creating_Plots/Add-Transparency-To-Graphics-Objects.Html '' > swplot package m-by-1 matrix ( where m is the array or.... Matrix with NaNs accurately controlled visual and auditory stimuli and interact with the attached data of Z1 and Z2 the... Plot following patch, I get a patch in three-dimensional coordinates to this answer you can optionally the. //Es.Mathworks.Com/Matlabcentral/Answers/1618810-How-To-Set-Specific-Color-In-An-Image-As-Transparent '' > patches and overlapping alpha values - MATLAB Central Blogs < /a > patch and transparency.! Is there some other way to do is to change the LineWidth I! Model ( DEM ) of Peppercorn Hill and North Pond in Massachusetts version 3 ( PTB-3 ) is 1-by-3!