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
1answer
79 views

The relative motion of the points about the common center of mass

There are 2 points with masses m1 and m2, their common center of mass   rC,r1 and r2 their radius vectors, r=Abs[r1-r2]. I built a trajectory of both material points, as well as their common center of ...
1
vote
1answer
103 views

Draw two curves and a surface

I'm trying to draw two curves and a surface, where one of the curves is to appear on the surface. Unfortunately the curves are drawn with very few points and appear extremely unclear. Is there a way ...
2
votes
1answer
192 views

Polar color coding for complex function plots?

Having browsed this Q on plotting complex functions and the Zeta page, I don't see anything as nice as this plot from Matilde Marcolli's slides "Geometry and physics of numbers". Looks like ...
3
votes
1answer
152 views
12
votes
2answers
536 views

Interpolation on a regular square grid spanning a triangular domain

Bug introduced in 10.0 and fixed in 10.1 Context I am trying to identify contours of a function which is sampled on a cartesian grid within an irregular (triangular) region. Here is the data ...
4
votes
1answer
123 views

What are Epilog x-Axis Positions In BoxWhiskerChart (with BarSpacing option)?

I have a dataset that has a number of groups with overlapping sets. There is a point in the group within the intersection of the sets that I want to highlight by placing a marker of that point between ...
0
votes
0answers
24 views

How to make the vertices move with the VertexRenderingFunction graphics when clicking and dragging vertices of a layered graph [duplicate]

I have read the suggested similar question here: VertexRenderingFunction (or EdgeRenderingFunction) with movable nodes? and Mr. Wizard's solution. Please could someone help me to apply his method to ...
-3
votes
1answer
73 views
1
vote
1answer
65 views

How do you hide/show a dynamic element in a list?

Here is the simplified version of the problem: THIS: {1,2,##&[],4,5} RETURNS: {1,2,4,5} ...
4
votes
1answer
248 views

Aligning Overlay and GraphicsGrid plots

I need to make several plots displaying a ListPlot overlaid with a Histogram and close to it (ideally even sharing X axis) a ...
5
votes
2answers
196 views

Problem using Rotation in Show

I would like to have an animation of rotating box and displayed it with other elements (not rotated) using Show. The first step to do that is to have all the elements working properly. So I did the ...
7
votes
2answers
182 views

How to draw a family of planes and its envelope?

Motivated by a question in MSE, I have the following question: How can I visualize the envelope of the family of planes $$ 2ax+2by-z+a^2+b^2=0, a,b\in\Bbb{R} $$ which is given by the ...
1
vote
0answers
157 views

Adding a point label to a moving arrow vector [closed]

Consider: ...
1
vote
1answer
440 views

how can I change the length/size ticks in a framed plot?

Err...Let me make clear the meaning of "the length of coordinate notation/marker". suppose I have frame1 by ...
0
votes
2answers
162 views

How can I make a 3D Plot with NDSolve?

I have a system of coupled ODEs which I am solving using Mathematica. I am solving these using NDSolve: ...
0
votes
0answers
50 views

Constantly rotating 3d contour plot (ideally as a .gif) [duplicate]

I came across a neat image for a graph, and I wanted to reproduce this as a .gif using Mathematica (I have the 9th home ...
3
votes
2answers
167 views

How to put triangle graphics on a plot of two seperate related lists?

For 7 different discharge energies, I have two gases (1. pure helium, 2. a helium oxygen mixture) being heated up. Those 14 settings then enter a tube, in which the system cools off. In the list ...
2
votes
2answers
198 views

GeoGraphics examples not running correctly

I'm trying to work with the new GeoGraphics functionality in Mathematica 10, starting with the example given here. None of the code seems to run well for me, though. I try to run the first command: ...
0
votes
1answer
139 views

Drawing a pair of lines to the x-axis and y-axis from a point along a curve

I have some plot like the following: Plot[Cos[x], {x, -10, 10}, AxesLabel -> {Style["x-axis", 12], Style["y-axis", 12]}, ImageSize -> {650, 650}] I'd like ...
0
votes
1answer
55 views

How can I modify text in a Graphics produced by Plot?

I have a Plot in a cell of a Mathematica notebook. The Plot was made with data that I no longer have. I want to modify the label of one of the axes, without running the plot command again (since I ...
7
votes
4answers
1k views

Combining 2D slices into a 3D plot

I am currently trying to combine several 2D plots into one big 3D plot. The 2D-plots are simply input-results from calculations (so these things have 2D coördinates (x,y)). The results depend on an ...
4
votes
1answer
138 views

The case of the disappearing locators

I have a complicated Manipulate that uses multiple locators, and need to document the output by saving the graphics to a file. The problem is that when I try to save the graphics, the locators ...
0
votes
0answers
28 views

Options from Graphics command [duplicate]

What do it mean $[[1]]$ in the following command? Graphics[...][[1]] How about the following command? ...
0
votes
1answer
117 views

Animating a Large Graphic Aborts, but Dynamic Works Fine

I'm trying to animate a large Graphics output, and it is returning $Aborted. I'm confused because when I use Dynamic and Slider, the graphics output is exactly what I want, i.e., I can 'animate' the ...
2
votes
1answer
102 views

Contourplot gives inaccurate ellipses

I'm trying to draw a family of ellipses with pre-defined foci as follows: ...
2
votes
3answers
291 views

Surface area of a cylinder [closed]

Evaluating expr = {Sin[t], Cos[t], Sin[p]}; ParametricPlot3D[expr, {t, 0, 2 π}, {p, 0, 2 π}] Area[expr, {t, 0, 2 π}, {p, 0, 2 π}] gives an area of ...
2
votes
2answers
296 views

How to set viewpoint Graphics3D to a different default orientation?

I'd like to have a SphericalPlot3D show up with the "z-axis" oriented horizontally by default. For example, in ...
2
votes
1answer
106 views

Font presentation difference between version 9 and version 10

I am trying to make presentation quality bar charts. As part of my effort, I used the code below. Updated to eliminate font specification. The problem appears to be a rendering difference, not a font ...
1
vote
0answers
77 views

How to extract data points from an image of a log log plot? [duplicate]

I have a picture of a log-log plot, taken from a paper and I want to extract the data points so I will be able to plot them again along with results of my own solution. I would appreciate your help. ...
7
votes
2answers
199 views

Color lines by angle

I would like to color some lines according to the following color function: ...
9
votes
1answer
272 views

Ghost trails with Animate?

What are some approaches to integrate Ghost trails methods with Animate, which otherwise seem more suited for exporting individual frames? For example, given this rootPlot function, how can trails ...
0
votes
2answers
183 views

Parametric Plots [continuous and discrete]: --showing parameter increase for multiple values of another parameter

In my problem, I am effectively plotting a parametric function that depends also on an outside parameter, e.g., the real/imaginary parts of ...
25
votes
3answers
2k views

Finding a function that fits the shape of an image

How can I find a function that fits the given shape of an image? Or instead extract a point set from the shape and then find an interpolating function fits the shape. An example image is attached.
0
votes
0answers
59 views

Changing the style of the Error Bars

I'm trying to get to change the length of the line at the top and the bottom of the error bars, but I have no idea how to do it. Can anyone help? Thanks!
4
votes
2answers
475 views

How to generate mesh and calculate volume of 3d object?

I saw a couple of posts dicretizing the graphic and generate DelaunayMesh to get volume of 3D object. The issue I'm having is that DelaunayMesh creates a bigger solid covering the original one, ...
0
votes
0answers
85 views

Dynamically update a graphic object in Mathematica [duplicate]

I was trying to simulate a bouncing ball (with no gravity) in a unit box and I managed to come up with a solution: ...
4
votes
1answer
264 views

VertexRenderingFunction (or EdgeRenderingFunction) with movable nodes?

In GraphPlot, I'd like to use VertexRenderingFunction (VRF) and have the resulting object behave the same way under dragging verticies as it does when I do not use VRF. The same issue occurs for ...
0
votes
1answer
64 views

EdgeRenderingFunction For 2 Vertices in a Loop

Assume there is a set of rules: set = {"A" -> "B", "B" -> "A", "B" -> "C", "C" -> "D", "D" -> "A", "C" -> "C"}; which we want to graph using ...
-2
votes
3answers
257 views

How can I plot a polygon with n sides inscribed in a circle and show the area?

I am doing some work on Archimedes and want to show what the area of a regular n-sided polygon is within a circle. My professor from two years ago was able to show it with an adjustable slider that ...
1
vote
1answer
101 views

ListPlot and AspectRatio

Here is a simple scenario ...
0
votes
1answer
278 views

Drawing an dodecahedron with vertexes at given coordinates

I want to draw an (edit)dodecahedron with the vertex in the following coordinates: ...
0
votes
1answer
75 views
2
votes
1answer
208 views

How to plot on complex plane with Mandelbrot set

I essentially want to treat the Mandelbrot set plot as a normal plot so that I can plot arrows and points on top of it. This is what I want to do but it gives me an error: ...
3
votes
2answers
715 views

How to change the font color and size of tick labels by default

I've read Mike Honeychurch's answer here, and while it tells me how to change the font size on all of my plots, that size change affects (I think) all text on the plot. I would like to be able to make ...
2
votes
1answer
456 views

Show plot legends for multiple curves in one plot [closed]

I have 5 curves, figure1a0, figure1a001, figure1a01, figure1ae01, and figure1ae001,. I display all these curves in one plot with Show. I want to give a label to ...
16
votes
6answers
3k views

3D surface that looks like a virus

I have been recently using Mathematica for composing animations that are part of the supplementary information of my papers. I am currently trying to build an animation that involves a viral ...
1
vote
0answers
119 views

How to add a Bar Legend to a density plot over the surface of a sphere?

I have a function with variables (theta,phi) the spherical coordinates. I want to represent it as a density plot over the surface of a sphere. following an answer to a previous question Density ...
12
votes
4answers
556 views

Drawing a Gradient Between Two Circular Arcs

Suppose I wanted to use Mathematica graphics primitives to create a gradient of colors between two circular arcs. It's easy enough to make an area between two circles a solid color, but what if I ...
2
votes
2answers
307 views

A plot with labeled points in one plotting command?

For my work, I am examining the values of a complex function as I vary the input according to a real parameter, and I want to both give the general plot and the plot of specific points, with labels ...