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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5
votes
1answer
538 views

Label area on plot

I created the following plot using Mathematica: ...
12
votes
4answers
4k views

Graphics plot of point using unfilled circle

I'd like to be able to place points on a plot using Graphics[{Point[{a,b}],....}] but have the plot symbol be an unfilled circle. I've looked around but can't find ...
9
votes
2answers
5k views

Axes Origin & Labels in 3D Plot

I'm looking for a way to have the axes at the origin in a 3D plot and to label the (x,y,z) axes in the usual way---with x near the end of the drawn portion of the x axis, y near the end of the drawn ...
6
votes
1answer
1k views

ImageSize as absolute (metric) value

I have wondered more and more often lately how the size of an image is handled when displayed or exported. The documentation implies that the via ImageSize the ...
3
votes
1answer
605 views

How to insert a plot into another overlay plot

I want to insert a plot into another overlay plot. Here is my code: ...
16
votes
1answer
330 views

Unwanted PlotMarkers appear at non-existent places

Bug introduced in 7.0 or earlier and persisting through 10.2.0 In this simple code ...
13
votes
3answers
878 views

PDF exports of ArrayPlot's are fuzzy (OS X)

This is now fixed in version 10.3. The problem is present up to version 10.2 only. [The following problem occurs on OS X; I don't know if it also occurs with other OS's.] If I produce a ...
13
votes
1answer
628 views

Graph stories, 3-d volumes

I saw a lesson plan that had students filling different shaped bottles at a constant rate. The idea was to graph height vs. time to show the students how different shapes would produce different ...
12
votes
2answers
439 views

Dimensions of the results of Text[] within Graphics[]

Is there a way to get the dimensions that the results of a Text[] will occupy within a Graphics[]? Specifically, if I run ...
12
votes
2answers
501 views

Ideas on how to improve the rendering of the letter B in this 3D region plot?

I have been playing with the RegionPlot3D idea from this question and have been trying to approximate the Gödel, Escher, Bach logo, but I am a little bit stuck on how to improve the rendering of the ...
11
votes
7answers
2k views

How to make a resizable chess board?

For some reason I need to create a chess board. I can create a chess board by following command: ...
11
votes
3answers
739 views

How to visualize the interior of a complicated 3D plot

I have an external data file (can be downloaded here: link 1 or link 2) which contains a dense grid of initial condition in the (x,y,z) space. I read it with Mathematica and plot these initial ...
8
votes
1answer
536 views

Obtain Data points from a graph on an image without axes

I have the following image: (which is a oscillation of the "magnetic susceptibility of gold" in y-direction, in arbitrary units, over the "magnetic field strength" from bmin = 36540 Gauss to bmax = ...
15
votes
1answer
1k views

Drawing Rotated views while ignoring the Bounding box

I am trying to make an animation of a rotating cube using the following code: ...
12
votes
3answers
4k views

Saving high-quality graphics through commands

Say I make and display a graph in a Mathematica notebook: graph = CompleteGraph[100] If I drag the corner of the graph to increase its size, and then save it to ...
9
votes
3answers
294 views

Problem with CurrentValue[“MouseOver”] when graphics are wrapped with Deploy

Bug reproduced in V9.0.1 and persisting through V10.4.1 Please take a look at following toy example: ...
8
votes
1answer
779 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 here) using the following input. Any clues as to how this can be done? ...
7
votes
1answer
411 views

Crash when displaying / rasterizing graphics with textures at high resolutions

CAUTION/Disclaimer: execution of some of the code below can result in a complete crash of Mathematica or even your system. Save all your work and do not try in a productive situation. For a graphical ...
6
votes
1answer
924 views

Hatched bars and bar-specific background in BarChart

I would like to diagonally hatch the bars in BarChart and to have three different background colors for the different bars, like this: Any ideas how to ...
6
votes
3answers
632 views

Opacity and overlapping multiple polygons

Let's say I have 100 polygons that are all different but most of them overlap. All I want to do is to draw/plot them in one single graphic with linearly adding gray values; i.e., a point with ...
6
votes
1answer
293 views

Synchronizing manual rotations for multiple Graphics3D outputs?

Say I make a set of three Graphics3D images, here of three different cones, by evaluating: ...
6
votes
3answers
2k views

Spreading colors in ListDensityPlot

I want to create a two-dimensional plot using data from an external file. This file contains several triplets of numbers. The first two columns indicate the x and y position, while the third one works ...
5
votes
2answers
423 views

Draw a partial line in Animate

I have a list of points that my line must go through, all at varying distances from one another. I'd like to draw just a piece of this line in an Animate, where the various segments are traversed at ...
5
votes
2answers
722 views

Triangle mapped on a sphere in $\mathbb R^3$?

How can I map a triangle on a sphere? I want to visualize (plot or animate) it for my student in Non-Euclidean geometry. I have no restrictions on the triangle's kind or on the sphere in $\mathbb ...
4
votes
2answers
149 views

How to take something from DelaunayMesh and similar family of functions

I was looking at this question here and I tried the suggested idea by Anton Antonov to use DelaunayMesh It will look like this: ...
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 ...
4
votes
3answers
872 views

Color mixing or blend

Color mixing seems not only one type. Here is RGB_color_model I wrote this one: ...
4
votes
1answer
608 views

Isomorphisms for graphs with loops and multiple edges

I am working with graphs with multiple edges and loops, and I want to eliminate all isomorphic graphs from a long list I've generated. The FindGraphIsomorphism ...
4
votes
1answer
1k views

ListPlot3D - How to make the Color depending on a second list

From a simulation (solid state physcis) i obtained a list1={{300,0,0},...} with x values=300,400,...,1500 and y-values=0,0.08,...,20 and z values. I plotted them ...
2
votes
2answers
1k views

How can I get even steps on x and y axes in a plot?

I'm plotting the shortest distance from a point to a line using the following code ...
11
votes
3answers
572 views

Non-geometric transformation of Graphics3D primitives

I want to apply non-geometric transformations to polygons etc, the goal is to have a Manipulate objects that behaves like that famous möbius transform video. Since ...
10
votes
1answer
276 views

How to make PlotMarkers constructed from Graphics track plot style?

In this plot the Disk[] markers are not colored according to the style of the line to which they belong: ...
9
votes
3answers
660 views

Distorted graphics when using custom ticks and AspectRatio -> Full

Bug introduced in 7.0.1 or earlier and partially persists through 10.4 or later I am having a problem using custom tick specifications along with ...
8
votes
1answer
509 views

transparency in image used for texture?

Is there a way to set a transparancy channel in a raster image used for a texture in 3d graphics? this creates a raster image with a transparency channel: ...
8
votes
1answer
369 views

Antialiasing of horizontal lines

Consider the following graphic: g = Graphics[{Circle[], Table[Line[{{-1, i}, {1, i}}], {i, -1, 1, 0.2}]}, ImageSize -> 150] (You may need to look directly ...
5
votes
1answer
343 views

How can I extract the points from a ListSurfacePlot3D?

How can I get numerical output of ListSurfacePlot3D, i.e., a list of all the points, $(x,y,z)$ , used to construct the plot? Thanks to your help I now have a list of (x,y,z). But the new mesh is ...
3
votes
2answers
1k views

How to set the ratio between the vertical and horizontal scales of plots?

The documentation says that when AspectRatio->Automatic is specified, Mathematica determines the ratio of height to width from the actual coordinate values ...
2
votes
1answer
299 views

Why is this expression being held, and how can I evaluate it?

I can't figure out why an expression isn't evaluating, even though there's no Hold* in its FullForm: ...
1
vote
3answers
324 views

Random non-overlapping disks in a square

I've found a nice code snippet by @belisarius from this question, that I'll reproduce here for reference: ...
8
votes
4answers
1k views

How to combine ArrayPlots?

Define: fat = ArrayPlot[RandomReal[1, {20, 10}], ColorFunction->"Rainbow"]; skinny = ArrayPlot[RandomReal[1, {20, 1}], ColorFunction->"Rainbow"]; What ...
7
votes
4answers
1k views

Plot Ellipse based on EigenSystem

Please consider the following : ...
6
votes
2answers
456 views

Rectangle with rounded edges

Inspired from : Fit an image within a Rectangle [] in Graphics I would like now to fit an image within a Rectangle[] with rounded edges as shown in the example below : Is it possible ?
5
votes
2answers
1k views

Using ChemicalData to make molecule graphics

$\require{mhchem}$I would like to take the acetone $\cf{((CH3)2CO)}$ and chloroform $\cf{(HCCl_3)}$ molecules that Mathematica's chemical data provides, and plot them together. I want to show how ...
4
votes
3answers
2k views

How do I make a log plot where the plot is logarithmic in the distance from the X-Axis (including negative values)?

For example, if I were to do a plot of Sin[x], I would get what looks like a Log plot of Sin[x], with another log plot of ...
3
votes
2answers
428 views

Rules governing Plot line generation

I was looking at the Documentation Center for Round, Ceiling and Floor when I noticed that ...
1
vote
3answers
990 views

Phase portraits and StreamPlot

I typed StreamPlot[{y, x-x^3-0.3y+0.5Cos[1.25t]}, {x, -2.5, 2.5}, {y, -2.5, 2.5}] but all I got was a blank plot. What did I do wrong and can I fix it?
0
votes
1answer
133 views

Tubes on spiral - Graphics 3D

Now I am working on something like this: ...
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.
38
votes
7answers
8k views

How can I draw the Olympic rings with Mathematica?

How can I draw the 5 interlocking Olympic rings with Mathematica? (SVG version) Edit Hard choice, but some pretty cool answers here. I didn't have 3D answers in mind when I posted the question ...
19
votes
3answers
1k 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 ...