Contour plot axes label mathematica The minimum (0. I'm trying to obtain the curves but in a r-Z plane and r-C Plane and if this were possible, gave a label to any curve May 21, 2014 · I see ContourPlot3D doesn't show the X, Y, Z axis by default (i mean inside the graph), i tried adding ",Axis->True" to the call, but doesn't make effect. 1, 1}, Contours -> {0}, . contour and contourf draw contour lines and filled contours, respectively. $\endgroup$ – Jan 4, 2016 · Looked at sciDraw package also. I could use the second interface to have physical units for the x and y axes, but that also requires the same number of elements in X and Y, which is not always the case. I need a precise command to get the latex math. 4, 0. 2 to 1. A comment I received from WRI in 2014: The problem with ContourLabels is an existing one, it is currently being worked on by our developers. This option works only for threejs and only if frame is set to True . ; PolarPlot treats the variable as local, effectively using Block. LogListPlot. May 26, 2020 · How can I make the top labels on the plot below vertical so they can be read and not overlap each other? The code I used to create the plot is: indexnames2 = {05730, Q2774, 05453, 27202, 03689, 2 Jun 9, 2014 · I am trying to increase the font size of the contour plot labels in R. Mathematica automatically chooses appropriate levels for contours, and automatically places labels in readily readable positions. 0) values are missing in the legend bar. 5, 2. 9) and I would like the bar legend to display the labels 0. Sep 18, 2023 · I want to label several contours in one graph. axes. Aug 30, 2020 · This placement problem of contour labels goes back at least to version 9. I am using Mathematica 12. 550; m1 = 4* Use green where the surface is clipped above and pink below: The angle is measured in radians, counterclockwise from the positive axis. Jun 27, 2012 · Here is an example of what is desired, only the result wouldn't be a contour plot, but a ListDensityPlot. 2, 0. The value of need not be between and . 3. If this is done, it would be also very useful to set only the labels *10^3 so that the minimum value in the bottom right is "1" and so on. How to put label "Iterations" below x-axis? Possibly in an easy way without multiple commands. csv contains points that describe the contour lines, myplot. Aug 4, 2024 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have May 29, 2015 · This is my code. Note that I added some PlotRangePadding to make the labels fully visible in the frame. I'm plotting a funcion that depends on two variables (r and C) let's say z= r^2+c^2. First, I drew three lines 1 == ii3 + (1 + ss)/2, 0 == ii3 + (1 + ss)/2, and 1 == ii3 + (1 + ss)/2} with ContourPlot and used ContourLabels to add labe I am trying DensityPlot[output, {input1, 0. $\endgroup$ – T-Ray Commented Oct 11, 2015 at 17:38 Oct 1, 2021 · I want to label my y-axis as $\\frac{P}{e^{3N}}$. More precisely, I want to color the curve in 2 colors, depending on whether x² + y² < k or not. Feb 5, 2023 · By contrast, in Mathematica, I can only label the contour plot axes with row and column numbers, if I use the first interface. 8, as well as values 0 and 1. How do I add contour labels to contour plot? Added: You can use PlotLabel, Labeled, or interactively add text to a plot using Drawing Tools. append(j*130. Sep 23, 2020 · I want to have the correct labelling of axes in a ListContourPlot that I create via testTable=Table[x + y, {x, 0, 5}, {y, -5, 5}]; Show[ListContourPlot[testTable,DataRange -> {{0, 5}, {-5, 5}}, generates a contour plot of f as a function of x and y. $\begingroup$ When you type "label plot below" you will get a first Jul 19, 2017 · $\begingroup$ I wonder also if perhaps you should use PlotStyle -> Directive[Gray, Dashed] to apply both directives to the one plot. In[1]:= SliceContourPlot3D[f, surf, {x, xmin, xmax}, {y, ymin, ymax}, {z, zmin, zmax}] generates a contour plot of f over the slice surface surf as a function of x, y, and z. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I would like to add labels to only a subset of these contours, for instance every other contour. My example is: ContourPlot[6x+9y, {x, -2, 8}, {y, -2, 12}, Axes -> True, Frame -> False, Contours This replies to question 2 only: you can label the axes via the option axes_labels, which defaults to ['x', 'y', 'z']. contour Automatic Contour Labeling. windows. 7322*10^(-7); Lambda0 = 1. An MWE would be: Jul 28, 2019 · import numpy as np import matplotlib. axis('off') but axes whitespaces are still there. Feb 2, 2017 · I want to plot a function ( I need the "Frame" and "ImagePadding" for later overlay of another graph): Plot[t^2, {t, 0, 5}, PlotStyle -> Blue, Frame -> {True, True, True, False}, ImagePadding -> 25, AxesLabel -> {"x label", "y label"}] but I cannot see the labels. You can use your color code and label them 1,2,3, and have a separate table to write values. 75) x2=[] for j in range(0,44): x2. The X axis is correct but Y is incorrect. I just know how to put symbols by using the command; [Phi] as an example. The arguments X, Y, Z are positional-only. png and adds axes, labels (if your plot had ones) and a colorbar using PgfPlots. I have read all questions about this issue in the slack, but I could not find an answer to it. Dec 7, 2017 · I need label some ContourPlots with different color and position. Does anyone know how I can include these values? Dec 13, 2018 · I used ImagePadding -> 1, PlotRangePadding -> None to remove the axes labels (so I could add them in LaTeX later), which have the following range: x-axis: 0 to 1, y-axis: 0 to 2 $\pi$. What I do: cnt = plt. Since you are using ListPointPlot3D, you might need to rearrange your input data as well. 1, 0. . Wizard's replacements). 3 and etc. 5 Cos[t]] evaluates to non-real complex numbers at those t, phi points. Jun 7, 2016 · As I understood it, OP wanted the rotated label to be placed to the side of the axes it corresponds to, much like frame labels are positioned. One problem in your original plot is that the contour labels are at the border of the plot and hardly visible. ContourPlot[f == g, {x, xmin, xmax}, {y, ymin, ymax}] plots contour lines for which f = g. I want to make some changes in the contour labels. ) In my case, function, that I plot, has a large number of values in the 0. 5}, {y, -2, 2}, Contours -> {Automatic, 50}, BoundaryStyle -> Directive[Red, Thick], ContourShading I don't want to change the ticks themselves and the numbers below them, only the labels (symbols) of each axes. tex contains a tikzpicture environment that draws the contour lines from myplot. ContourPlot[{y^4 - 3 x*y^2 + x^3}, {x, -2. I think Contour label placement in Mathematica should be improved more. Currently, the labels are much too small and are on a wrong position (not clearly visible). 0, 3. 0, delta) X, Y I was trying to explain to someone projection of points in space. 0, 2. clabel(cnt, inline=1, fontsize=10) plt. You should see that the option Axes->False. csv on top of myplot. pyplot as plt def contour_plot(filename): # Reading the porosity data from the dat file data = (np. Related questions . The built-in algorithm for determining the placement of the contour labels is a hit-or-miss kind of algorithm, there is no way to fix the placement by providing parameters to guide it. 2 function values, green from 0. If you want to change the size of the label and the tooltip ContourLabels -> {Style[Text[#3, {#1, #2}], 20] &, Tooltip[#3, #2, TooltipStyle -> FontSize -> 20] &} POSTED BY: Rohit Namjoshi Jun 2, 2019 · I have a contour plot. However, the value of Z it takes is automated by using the numbers in plt Nov 14, 2014 · I have a data set with entries of the form [nx,ny,E] and have made a contour plot of this data. For getting points of individual lines one can use Normal:. Aug 24, 2022 · I had a quick question regarding tick placement in 3D plots. By default, ListContourPlot3D shows each contour level as an opaque white surface, with normals pointing outward. $\endgroup$ is an option for visualization functions that specifies what labels to use for each data source. I want to know the maximum and minimum value of the legend bar. Since the numerical value on each side of an equation may vary along the solution curve, the value is not treated as significant. List contour plots with realistic axes. Create a custom scaling function to reverse a log scale in the direction. A simple example with the commands I have been using so far is displayed below: By resetting PlotRange -> All and turning off PlotRangeClipping we can include these labels: Show[gr, PlotRange -> All, PlotRangeClipping -> False] In this case the axis label ends up inside one of the frames because the axes are not extended. FrameLabel-> {bottom, left} specifies labels for the bottom and left ‐ hand edges of the frame. loadtxt("filename")) # Making two empty lists to account for the size of each grid block x1=[] for i in range(0,54): x1. Here is my code The basic command for sketching level curves for a real-valued function of two variables in MATHEMATICA is label the axes : create a label for the contour plot: I found a very simple solution without thinking much about writing codes for placing contour labels. $\endgroup$ – I'm new using mathematica. As an example, the following gives a plot of $\sin(x)$. Details ContourStyle -> g specifies that a graphics directive g should be used to draw all contour lines or surfaces. g. So I want to label the framed values outside (right and top) the frame of the ContourPlot on the position where the line ends. I think that the labels are somewhere on the graph, but are not seen. I want the valu include or omit axes : Background -> RGBColor[NN,NN,NN] create a colored background : Boxed -> BB : include or omit box around figure: BoxRatios -> {NN, NN, NN} specify the ratios of side lengths of the box (like setting the aspect ratio for a window) Lighting -> BB : use simulated lighting or not : PlotLabel -> "TEXT" create a label for the Plot a saddle surface; the mesh curves show where the function is zero: The 1, 2, 3, and norms, with the iso-norm mesh lines at 1/2, 1, and 3/2: Show argument variation for sin, cos, tan, and cot over the complex plane: Mar 12, 2014 · That region of the contour plot is white because the expression insolation[phi, 23. For example, this code: Plot[Sin[x], {x, 0, 6 Pi}, Frame -> True, Axes -> False, PlotRange -> {{0, 10}, {-2, 2 Jan 22, 2012 · I can plot the curve corresponding to an implicit equation: ContourPlot[x^2 + (2 y)^2 == 1, {x, -1, 1}, {y, -1, 1}] But I cannot find a way to color the contour line depending on the location of the point. The problem is Mathematica plots the plane in the yxz coordinate system instead of the traditional xyz coordinate system. Your comments FrameLabel-> label specifies a label for the bottom edge of the frame. Details PlotLabels -> labels specifies the labels to use for each data source in a plot. Thus you cannot use AxesLabel myplot. I'm using the "XStackedPlanes" option. axis('off') Edit My output method May 7, 2012 · $\begingroup$ Unfortunately this option is just a patch job, it just log's the data and relabels the axes in one step, therefore you cannot combine this plot with other true log plots e. 75}, {x, 0, 2Pi}] For vertical lines, there's the Epilog option for Plot and ListPlot: Plot[Sin[x], {x, 0, 2Pi}, Epilog->Line[{{4,-100}, {4,100}}]] But probably the best is the GridLines option given in Pillsy's SliceContourPlot3D doesn't seem to come with the option of putting contour labels on the plots as far as I can see. import matplotlib import numpy as np import matplotlib. I tried this by right-clicking the plot, and using GetCoordinates to sample coordinates from that region, then putting them into the expression. Using the the problem is that I expect the black region to have more information. Axes. Is there a way to change the positioning the placement of ticks in ContourPlot3D? For instance, I want to place the ticks inwards although on the opposite edges of the box (opposite to the "default" settings). plots several contour lines. Centering the x-axis label under the plot area Hot Network Questions Best layout practice for unused input pins on CMOS gates (SNx4HC86) Aug 13, 2018 · I am trying to plot an equation using contour plot with x-axis in logarithmic scale. contour / matplotlib. 1. 1 to 0. Otherwise the Dashed directive is effectively being ignored. I want them to place along each contour in white color. You could add a Spacer to the y label to improve this. rcParams['ytick. The positions of contour labels are determined automatically to optimize readability. Could you please teach me how to do this more efficiently? Sincerely, ComplexContourPlot[f, {z, zmin, zmax}] generates a filled contour plot of f as a function of z. Jul 21, 2015 · The ContourPlot function in Mathematica automatically gets you a legend and contours with colors on the plot which are uniformly distributed ( for example, blue color from 0. AxesLabel is an option for graphics functions that specifies labels for axes. there is a better way to use Mathematica charts in Word; I can get larger text numbers along the axis of the chart . Jul 6, 2019 · I'd like to change the labeling on the axes of a contour plot so that they are multiples of $\pi$. direction'] = 'out' matplotlib. ContourPlot[t*d^2 - g, {g, 0, 1}, {d, 0. ListContourPlot [Tabular […] cspec] extracts and plots values from the tabular object using the column specification cspec. Another quick way is to write your own ContourLabels function which places the labels where you want them. 41, 1. direction'] = 'out' delta = 0. How can I displace them to the extremity of their axe, and make them bigger ? You could add labels using Text but these will be drawn on top of the graphics (so labels at the back of the sphere will show through, making it hard to tell which labels belong to which lines). Of course, if you don't have too many images to make, then it's not hard to manually add the labels in using Epilog, for example Apr 24, 2020 · How to reverse X and Y axis in ContourPlot? I tried to do this many times and always I reversed just one axes, the other one didn't change. 3. K1 = 0. Let say, I want to contour plot x+y in 0 and 10 intervals of both variables, and then I choose the contour 10. FrameLabel-> {{left, right}, {bottom, top}} specifies labels for each of the edges of the frame. Oct 24, 2017 · My actual problem is that it has to be a black/white plot. 15. If you see a tooltip in a location that you like, click the mouse. ContourPlot[f, {x, xmin, xmax}, {y, ymin, ymax}] generates a contour plot of f as a function of x and y. arange(-2. 0) and maximum (1. Oct 20, 2016 · I have a contour plot which shows a transmission coefficient going from 0 to 1, with 9 contours (constant 0. ListContourPlot3D by default shows three contour levels, equally spaced in f value. References. The "ContourPlot" command in MATHEMATICA label the axes : ColorFunction -> Hue : create a label for the contour plot: Dec 26, 2014 · I am trying to create axesless contour plot of my raster data. To get the filling capability (it doesn't work for a standard plot without filling) you could use the following: Plot[Sin[x], {x, 0, 2 \[Pi]}, Filling -> Axis] /. 380648813 10^-23;(* Boltz axes labels : AxesOrigin: Automatic: where axes should cross: AxesStyle {} graphics directives to specify the style for axes : Background: None: background color for the plot : BaselinePosition: Automatic: how to align with a surrounding text baseline: BaseStyle {} base style specifications for the graphic: BoundaryStyle: Automatic: how to draw Aug 31, 2017 · I have a list contour plot overlay by a 15x15 mesh grid. Contours are ok, but legend bar is not showing the upper and lower limits as shown in the pic attached. Repeat this for as many labels as you need. 2, , 0. Note also that the repetition of des at the end of each list is unnecessary. cm as cm import matplotlib. And I want to label the axes with numbers positioned at the center of the cells instead of the grid lines. Version 10. The use of the following functions, methods, classes and modules is shown in this example: matplotlib. ContourPlot[ Sin[x]* Cos[4 y], {x, 0, Pi}, {y, 0, Pi}] ContourLabels-> {f, g} uses f [x, y, z] as an explicit displayed label, and uses g [x, y, z] as a tooltip for each complete contour line. Aug 18, 2011 · If you are willing to redo your plot as a BubbleChart3D (with constant bubble sizes, I guess), you can use the ScalingFunctions (documentation) option to rescale the axes to log form. How to do this? Mar 17, 2022 · Mathematica's automatic contour label placement inside ContourPlot[] and ListContourPlot will frequently clip off part of the contour labels, or have them overlap so that they are illegible. arange(-3. png contains an image of the regions between the contour lines, myplot. How to control the positions of contour labels? Custom contour labels in ContourPlot. append(i*130. pyplot as plt matplotlib. ; The , position corresponding to , is , . points = Cases[Normal@plot, Line[pts_, ___] :> pts, Infinity]; (I assumed here that each Line primitive contains exactly one line, as it is true for the current ContourPlot implementation. takes the variables {x, y} to be in the geometric region reg. The contour surfaces plotted by ListContourPlot3D can contain disconnected parts. $\endgroup$ – Jan 6, 2022 · I want to put a label on a contour in the ContourPlot with a text, but I can not do it. There is also the question of where along the mesh line to put its label, ideally they should be nicely spaced out. Every time you click, a new label will be added permanently at the mouse position. ContourStyle describes how you want the lines of the contour plot to look. 2 and only few from 0. When I use ContourPlot, level curves are shown in a r-C plane. Nov 18, 2021 · From this interesting link How to simultaneously extract contourvalues and contourline? I've learnd how to extract the contourvalues from a ContourPlot-graphicsobject. 3125*10^(-6); K4 = -1. plots contour lines for which f= g. Nov 24, 2014 · When you execute the last line, the plot appears and tooltips will be shown when you hover over the contours. Oct 30, 2018 · Stack Exchange Network. I used ContourPlot3D and plotted the planes x=1, y=1 and z=1 to show that the point (1,1,1) is the point where these three planes intersect. is an option for contour plots that specifies the style in which contour lines or surfaces should be drawn. First, I drew three lines 1 == ii3 + (1 + ss)/2, 0 == ii3 + (1 + ss)/2, and 1 == ii3 + (1 + ss)/2} with ContourPlot and used ContourLabels to add labe Jun 3, 2022 · You could also do it directly with the lines of the contour, without using proxy artists. 16}, {input2, -0. I find this is extremely helpful for the people who are not comfortable in writing explicit Mathematica codes like me. 6, 0. 0, delta) y = np. Options[ContourPlot] to inspect what the default options are for ContourPlot. Use a log scale to color a density plot. So the quick fix is to take only a real part: Jul 20, 2024 · This file is used to generate the contour plot you see below. I managed to create the contour plot however I can't remove the axes completely. ContourStyle -> Black, ContourShading -> None, . May 30, 2015 · $\begingroup$ Considering your recent question, maybe it is not a good idea to label all points with their values on the plot. Any expression can be specified as a label. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have May 24, 2010 · For the case of horizontal lines when using Plot the easiest trick is to just include additional constant functions: Plot[{Sin[x], . Except as noted, function signatures and return values are the same for both versions. 37}, ColorFunction -> "SunsetColors", PlotLegends -> Automatic, Mesh -> 16, AxesLabel -> Dec 13, 2024 · I have a grid of contour plots that looks like is there any way to add one label as "longitude" and one as "latitude" to the bottom and left sides, respectively? simple code: p May 12, 2017 · Original answer. $\endgroup$ – MarcoB Commented Jun 8, 2016 at 4:24 Oct 15, 2012 · Mathematica Meta your communities Force size in pixels of plot area excluding axes and labels. Any thoughts? e. 0001104; K2 = -1. contourf Aug 28, 2011 · There's also a LabelPlot command defined in the Technical Note Labeling Curves in Plots. $\begingroup$ @rhermans - Unlike for the other labels, the default location for the label 14 is far from the x=0 (semi-major) axis so that when its y coordinate is just changed to zero without also correcting the x coordinate it ends up in the wrong position. This command can also be used to change the color of the graph. Currently, the contour plot labels are so small as to be unreadable! Setting cex does not change the font size of the contour I need to plot in Mathematica without labeling. I don't see any information about how one might go about it on the web or in the documentation. May 9, 2023 · The above code gives the contour plots of Z, where the number of contours is user defined. 3 days ago · This describes how you want to scale the x-axis and y-axis to look in comparison with one another. ContourPlot は，等値線，iso曲線，等位集合，あるいは下位集合しても知られている．; ContourPlot は，関数 f が与えられると， f [x, y] が定数値 d 1 ， d 2 等を持つ等位集合に対応する等高線を構築する．デフォルトで，値が d i と d i + 1 の間にある領域がより簡単に識別できるように曲線間の領域には The default text size for the axis is too small to be as clearly legible as I would like them to be when the chart is in bitmap form. I can turn them off with plt. For a description of adding text to plots using Drawing Tools, see How to: Add Text outside the Plot Area and How to: Add Text to a Graphic. Alas, it does not allow for LaTeX rendering Hello, I have been plotting some contour plots with plot legends. I can now display both the axis labels and the frame labels in LaTeX font (thanks to Domen (see message below)), but I still have the following two problem: 1. rcParams['xtick. Plot's output contains a GraphicsComplex in that case (which, incidentally, breaks Mr. Sep 20, 2020 · $\begingroup$ When the input is in the form of an equation, either the second or third paradigm in the docs, ContourPlot treats the equation as the label. The arguments would be a gradient and a list of numbers. contour(my_data) plt. It will be given by default in Jun 4, 2011 · None of the answers given thus far can work with Plot's Filling option. 75) # Using pyplot. Jan 5, 2011 · $\begingroup$ "Traditional axes" to me sounds like the way mathematicians would typically sketch a 3D plot, no just with axes emanating from the origin, but with arrows at their positive ends and axis labels, too. To add a centered label to the top of a plot, use the PlotLabel option: axes labels : AxesOrigin: Automatic: where axes should cross: AxesStyle {} graphics directives to specify the style for axes : Background: None: background color for the plot : BaselinePosition: Automatic: how to align with a surrounding text baseline: BaseStyle {} base style specifications for the graphic: BoundaryStyle: Automatic: how to draw Jun 23, 2016 · $\begingroup$ The following is really a question of style, so please feel free to ignore me if you disagree: however, I would find your answer more readable if it had less fragmentation, and if it stated the approach you took to solve the problem right at the beginning, rather than burying it in a note. #mathematica #plotThis tutorial demonstrates how to add frame to a plot,How to Modify style of plots,How to label axes of plots in Mathematica. 2 to 0. pyplot. ; The following forms of column specifications cspec are allowed for plotting tabular data: Oct 31, 2019 · Contour labels positioned in the middle of the curve. Apr 3, 2015 · Can you suggest me a simple way to specify custom display format (for example ScientificForm) for such large values in contour labels and legend please? Thank you! k = 1. is also known as an isoline, isocurve, level set or sublevel set. May 10, 2016 · However, as I am trying to convert this plot into a pdf and use it for my latex file, it seems that axes labels and tick marks and the bar legend numbers are all very small and cannot really be read easily. Oct 10, 2015 · $\begingroup$ Sorry for the late reply but I'm wondering if there is a way to label the value of x for along each mesh line. Reverse the axis of a contour plot so that it decreases from left to right. FrameLabel -> {"g", "d"}, . My problem would be solved if . It can also be used to scale axes in ways other than log-scale. How might I go about doing that? My data set is derived from a calculation, and so my data points are not samples of a function with two arguments. ComplexContourPlot[{f1, f2, }, {z, zmin, zmax}] generates contour Oct 18, 2000 · Chris, Evaluate. 025 x = np. mlab as mlab import matplotlib. 7259*10^(-5); K3 = -2.
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