Questions on the construction of 2D and 3D graphics through the direct use of primitives, directives, and functions. Include the graphics3d tag for questions specifically on 3D graphics. This tag is not to be used for basic questions on visualizing functions and lists using the various flavors of ...

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1
vote
2answers
161 views

The graph of inverse function $f^{-1}(y)$

Show that $f:I=(-1,1) \rightarrow \mathbb{R},$ it follows that $$ f(x)=\begin{cases} \quad1-x & \text{ as } -1<x\leq 0, \\ \frac{{x}^{-1}+ \lfloor {x}^{-1}\rfloor}{1+{x}^{-1}+\lfloor ...
2
votes
0answers
83 views

Font rendering difference between .jpg & .pdf [duplicate]

I have some planar graphics involving lines and text, produced by Line[] and Text[], accepting the default font on the latter. ...
10
votes
2answers
670 views

Rendering thousands of points

I am trying to render an image with some 120,000 Points. Technically it's just 10,000 points, plus their reflection, plus 5 rotations of both of those sets, but I'm ...
2
votes
2answers
359 views

Generate nonoverlapping random circles [duplicate]

I want to distribute n circles unformly in an area(e.g. free plannar space). The circles could touch each other but cannot overlap. ...
0
votes
1answer
101 views

Display 3D function and its gradient in same graphic [duplicate]

Is it possible to display e.g., $z=x^2+y^2$ with Plot3D and in the same box, in the $z=0$ plane, plot its gradient?
1
vote
1answer
230 views

graphics grid legend

I'm working with mathematica 9.0 and I want to make a graphic grid containing 3 different plots. My problem is that when I use plotlegend to label the plots the legend does not show up or the left ...
1
vote
0answers
69 views

ImageResolution Doesn't Work!

The code below is supposed to generate a high resolution plot, but it does not! g = Plot[Sin[x], {x, -1, 1}]; Export["c:/sin.jpg", g, ImageResolution -> 600] ...
2
votes
0answers
61 views

How to combine several plots with this special alignment? [duplicate]

How can combine different plots just as shown in the image? Just give codes about one example plot,and tell me how to create plots as the form as gaven. Follows are codes: n = 2; z = 200; [Alpha] = ...
3
votes
2answers
169 views

How to cut a thick curve in half lengthwise?

Is there any easy way to cut a thick curve in half lengthwise? Example: suppose I have the cardioid shown in the figure below, is there a way to delete either the inner or the outer portion of the ...
0
votes
0answers
77 views

Exporting graphic to pdf acting funny [duplicate]

I have a plot created in a notebook that I usually would right click on and choose Save as pdf. It worked fine until this morning. Shown below, the first plot is what I used to get. The second plot is ...
0
votes
0answers
68 views

How to randomly create disks with randomized radii under given specific cover ratio? [duplicate]

I want to create uniformly distributed disks(dots) in a specific rectangular area. Suppose: the disk radii should be uniformly between $a$ and $b$ ($0<a<b$); there is no interaction between ...
2
votes
3answers
153 views

How to embed a filled Region in a Graphics?

Let for example: regn = RegionDifference[Rectangle[{-2, -2}, {2, 2}], Disk[{0, 0}, 1]]; The only documented way I found to draw a gereric region ...
5
votes
3answers
140 views

Find Unconnected Subregions

If I have a region, how can I identify sub regions that may be disconnected, if any exist? region defines a rectangular region given two diagonally opposed ...
2
votes
1answer
207 views

How can I improve ContourPlot to get smooth curve?

I am working on the ContourPlot to creat contour line of a InterpolatingFunction recently. This is my data. This is my simple ...
5
votes
2answers
218 views

How can I use ContourPlot to creat streamline for a free surface domian: proper arrow orientation and correct domain?

I get into trouble when I use ContourPlot to draw streamlines in a free surface flow domain. This is my data.The data are a little bit big, please be patient. ...
0
votes
0answers
64 views

Align axes in GraphicsGrid - with one rotated figure

I would like to align the axes of the three plots: g3, gPosteriorMarginalMu and gPosteriorMarginalSigma: ...
6
votes
1answer
140 views

How to share LineLegend among sub-figures in GraphicsGrid?

Using GraphicsGrid, I have put two figures that share the same x-axis in a row. However, I failed to let them share a common ...
1
vote
1answer
35 views
3
votes
3answers
145 views

Colorize an image using two parameters

I have a matrix of data. I use Colorize[Image[Rescale[data]],ColorFunction->"Rainbow"] to create an image from the data where the value of each pixel is used ...
4
votes
2answers
185 views

Animate skips frames and hard to control speed.

I browsed similar questions related to Animate jerkiness like here, but haven't found the right options to control animation rate while also displaying all frames: ...
4
votes
2answers
178 views

Extracting ragged array from an image

I have a list of points, which represent positions of peaks in an image. The nature of the image itself shouldn't matter, as I already have the peak positions. As a simple example, consider the ...
3
votes
0answers
92 views

My code does not give the same results on mathematica 9 and 10 [closed]

I have developed last year an algorithm using mathematica 9. In this algorithm, I remember that coordinate system of Image and Graphics are not the same. However, in mathematica 10 the coordinate ...
2
votes
0answers
232 views

How can I create a minimal surface with trefoil knot as inner edge and circle as outer edge?

This minimal surface is the subject of Michael Foster's beautiful wood-turned sculpture "Inversion" (see http://breezyhillturning.com/styled-2/photos-2/index.html). In addition, how can one create 2D ...
12
votes
2answers
339 views

Rasterize: Resolution option not working properly

Something about Rasterize which doesn't seem to work as intended. Recipe: Make some simple vector graphics: ...
32
votes
2answers
4k views

Placing a ContourPlot under a Plot3D

I would like to combine a 3-dimensional graph of a function with its 2-dimensional contour-plot underneath it in a professional way. But I have no idea how to start. I have a three of these I would ...
19
votes
5answers
3k views

Plotting several functions

I'd like to plot a function of one real and one integer variable, but I don't want them all shown in the same 2-D plot - I'd like to see them as separate curves so I can see both 'axes', more like ...
4
votes
2answers
249 views

Plot with Mathematica

How Can I plot the following figures for the following equations? $x\in\mathbb{R}, f(x) = \frac{\left|\sin(x)\right|}{x^2+x+1}$ $t\in\mathbb{R}, A(t)=\displaystyle\int_t^{t+2\pi}\!\dfrac{|\sin ...
3
votes
1answer
226 views

Constructing primitive cell using information from ChemicalData

I would like to construct a primitive cell (figure shown) and possibly the two-dimensional layout (figure from http://en.wikipedia.org/wiki/Transition_metal_dichalcogenide_monolayers) using the ...
1
vote
1answer
82 views

Coloring vertices according to a function using GraphPlot3D

This question is similar but not identical to a related question called: coloring-vertices-using-graphplot . I need to color the vertices of a graph according to a function, f that is defined on the ...
0
votes
0answers
60 views

Break axes on listcontourplot

I would like to insert a break on both of the axes of a ListContourPlot near the origin, to include a datapoint which has axis values quite far away from the others. The question is similar in nature ...
2
votes
2answers
115 views

How would I rotate a table of Cuboids around the y axis?

Currently I can print out this using Graphics3d: Here's the code: ...
1
vote
2answers
151 views

3D Sphere Plot + Points [closed]

I'm currently trying to create a 3D plot of a sphere along with four points of different colour, using the following code: ...
6
votes
1answer
303 views

How to add texture to a parametric plot?

I need to put some simple textures to some parametric plots. My textures are not complicated, They are like the first example in here. Is there any simple way of doing this? For example, How can I ...
20
votes
6answers
1k views

Understanding Pie Chart Annulus generation and alternate style using Disk[]

Background I have been working with a set of data for some time now and I recently decided to change the format. The data is a tree-styled listing of hierarchical names and positions. (* Names ...
0
votes
0answers
49 views

How to set suitable View* for Graphics3D [duplicate]

My codes and result as following. There is an people object in 2D view. You can move the people object in 2D view, the direction of the arrow is the direction that the people see. You can use the ...
4
votes
3answers
248 views

Drawing two graphics with an arrow in between

I'm trying to draw two graphics object well defined and an arrow in between pointing left to right (symbolizing the mapping between the two). I've tried drawing the arrow first in a graphics object ...
2
votes
1answer
220 views

How to control the length of vectors in VectorPlot

I want a slope field for a scalar differential equation. For simplicity I have chosen $dx/dt=rx$, where $r$ is a parameter. I used VectorPlot for the slope field as you can see from the code below. ...
0
votes
1answer
75 views

Remove white space from GraphicsRow

I am trying to remove as much of the white space above and below the following image produced by: ...
0
votes
0answers
30 views

Plotting center of mass point in a solid hemisphere? [duplicate]

I have been trying everything I can find online but I seem to be stuck trying to plot a center of mass point within a solid unit sphere with z >= 0. I have the center of mass point already but I ...
16
votes
3answers
1k views

Drawing a square root spiral

Here is a start, i'm looking for a nice way. ...
2
votes
1answer
156 views

How can I move a dot along a line? [duplicate]

I have a list of ordered pairs, named bob. They represent locations on a graph. bob = {{8, 5}, {8, 3}, {10, 10}, {9, 8}, {1, 3}, {9, 3}, {5, 3}, {3, 7}} I then ...
3
votes
2answers
125 views

How to change plotting options while using Map

I have multiple series, which I want to plot using ListLinePlot and Map. For example ...
3
votes
2answers
166 views

Plot graphs together Using ListPlot

How can I plot two graphs together generated from ListPlot or ListLinePlot command, both t and s have the same number of elements. I thought Show would solve the problem however it does not, it just ...
5
votes
1answer
92 views

In Graphics, a button without action will not work?

A minimal example: Graphics@Button[Disk[]] will yield error message Button is not a Graphics primitive or directive. But if you drop ...
35
votes
5answers
5k views

How can I extract data points from a black and white image?

Consider the following graph (source): Is there any way to extract the data points from this image in a semi-automatic way? I have seen, and tried the methods suggested in this question, but they ...
16
votes
3answers
881 views

Approximating an ornamental curve

How do I go about approximating this ornamental curve? Note variable thickness typical in calligraphy. Handbook and Atlas of Curves by E.V. Shikin (1995) contains many directions, including curve ...
20
votes
3answers
1k views

Is it possible to draw really thin lines in Mathematica?

I want to have in Mathematica the same result I have in Python: I have this nice effect simply by using very thin lines. But it seems in Mathematica thickness property has some limit and i just got ...
2
votes
1answer
74 views

Displaying a list in form of an upside down pyramid graphic

I was wondering how to display a list like this: list={{0,1,1,0},{1,0,1},{1,1},{0}} in form of an upside down pyramid, that is the first element of the list is ...
0
votes
0answers
50 views

Question about treillis structures

I have difficulties finding a command to plot multiple segments connected in nodes in Mathematica. Ultimately, my goal is to modelise something like this by entering nodes coordinates. Also, the ...