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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4
votes
2answers
183 views

Grid ItemSize is smaller than expected

If I execute MatrixPlot@IdentityMatrix@100, the result is a good size. However, if I evaluate ...
2
votes
1answer
211 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
1answer
134 views

Plot3D missing a zone

I am trying to plot a simple graph using Plot3D: ...
0
votes
2answers
81 views

Display Part Of or Summarize Other Notebooks

How might I display parts of(or basically summarizing) one Notebook from parts of several other Notebooks? This isn't a strict question question but more of a general/wiki question of how to organize ...
2
votes
3answers
282 views

How Can I superpose an image and a graphics?

I want to superpose an image with a graphics in order to evaluate their alignment. I am writting this exemple of code. ...
5
votes
0answers
120 views

Texture[] not working properly with Image AlphaChannel

I recently encountered a problem when combining multiple texture layers in an graphics object when the texture comes from an image with alpha channel. Apparently the alpha channel of the image passed ...
0
votes
1answer
139 views

Customizing AxesStyle->Arrowheads

How do I call AxesStyle->Arrowheads[ ] in order to control whether or not an arrow appears on each of the four ends of the axes in a ...
3
votes
1answer
119 views

Adding and summing overlapping Airy (or Gaussian) disks on a plane

In a previous question of mine, I asked how one might draw an Airy disk on a plane: Generating an Airy disk on a plane, and recieved some impressive answers from the users Timothy Wofford and ...
2
votes
1answer
115 views

Copying each object in a plot as an image

I would like to copy a plot from Mathematica as an image, into a powerpoint slide. This plot has two curves. When I try to do the (naïve) usual "copy graphics" and paste, I find the full plot (along ...
0
votes
0answers
38 views

How do I plot cities on a Map? [duplicate]

Right now, I have the 20 cities with the most population in the world, given by the lines of code ...
1
vote
1answer
153 views

Remove overlapping red and green color

How to remove overlapping red and green color regions, leaving only red ones?
6
votes
3answers
560 views

Hovering mouse cursor over a plot to display a “corresponding” point in another plot

(Apologies for not having gotten around to responding to and accepting answers on my other recent questions—as a meticulous and thorough type, I'd like to take my time to fully comprehend and ...
3
votes
2answers
501 views

Generating an Airy disk on a plane

I wish to generate a surface intensity plot of an Airy disk (or perhaps a two-dimensional Gaussian approximation to an Airy disk) on an (x, y)-plane at a specified coordinate. The hope is to have ...
3
votes
3answers
128 views

A one-liner to place some number of Graphics3D polytopes on a plane and to randomly assign colorations

I'm looking for a nice one- or two-liner to randomly place some number, $N$, of Graphics3D polytopes on a plane with dimensions $X \times Y$, and to specify that $k ...
9
votes
2answers
349 views

In version 9 PlotLegends, how can I remove the strange edges that appear around LegendMarkers?

I'm running Mathematica version 9. I am using ListPlot to plot two sets of data. For each data set, I am using different ...
7
votes
1answer
132 views

Fixing Spline curves so as to not overlap with themselves - (Diagrams)

Statement of the problem: Conceptually, what I'm trying to achieve is pretty simple. I have some code that generates a set of diagrams from a list of sets of points using BSplineCurve. Certain ...
2
votes
1answer
327 views

How to combine two plots with the same y-axis

I have a data file which contains three columns of data. The first and the second column correspond to $x$ coordinates, while the third column to $y$ coordinate. Here is a small sample of the data ...
5
votes
4answers
578 views

How can I create an image like this

I'm trying to get an algorithm that generates a picture like this So far I've tried a little something with the help of the knowledge center, getting a graphics grid of squares already. But what ...
6
votes
2answers
691 views

Too much whitespace in a GraphicsGrid containing Legended Plots

Where is all the vertical whitespace coming from, and how do I get rid of it? ...
2
votes
1answer
144 views

Manipulate Locator warping (snap to cursor)

I'm looking to have a Manipulator Locator that moves in discrete steps and requies the user to click on/near the locator position.. consider these two examples: ...
2
votes
2answers
143 views

How to increase the size of the dot produced by OverDot[]

As the title says, I want to find a way to increase the size of the dot produced by OverDot[]. Here is a simple code ...
3
votes
1answer
159 views

Plot Ticks disappear when combining Plot with Graphics

I'm attempting a simple Plot that I want to add asymptote markers to: ...
6
votes
1answer
387 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 ...
2
votes
3answers
110 views

Make all the lines equally sharp [duplicate]

Graphics[{ Line[{{# - 1, -0.5}, {# - 1, 5.5}} & /@ Range[6]], Line[{{-0.5, # - 1}, {5.5, # - 1}} & /@ Range[6]] }] There are two kinds of lines in ...
1
vote
1answer
123 views

Can Epilog be used with ParametricPlot3D

This command: ParametricPlot3D[{Cos[t], Sin[t], t}, {t, 0, 2 \[Pi]}, Epilog -> {Arrow[{{0, 0, 0}, {Cos[\[Pi]], Sin[\[Pi]], \[Pi]}}]}] Produces the ...
0
votes
1answer
286 views

How can I combine several 2D-plots to one big 3D plot?

So I've been able to make a list given by list = Table[{xValues, f[xValues, t (*fixed*)]}, {xValues, xmin, xmax}] For example: ...
5
votes
4answers
603 views

How to draw an infinitely long line that automatically scales with the plot?

I'm trying to plot a function inside a Manipulate and draw a vertical line at some $x$ position. The scale of the plot can vary a lot depending on the ...
0
votes
0answers
34 views

Use of JoinedCurve with list only [duplicate]

When I Import an EPS file, bezier curves are converted into something like this: ...
9
votes
4answers
379 views

How to bend a logarithmic number line into a circle

One way to plot a sequence of numbers on a logarithmic number line is this: ...
4
votes
1answer
176 views

How can I stack plots so that they are aligned nicely? [duplicate]

Suppose that I have two plots (e.g., Plot, ListPlot, etc) that cover two regions of space. I would like to display them ...
10
votes
3answers
482 views

How to use legends from PlotLegends in LevelScheme?

I've been attempting to find efficient ways to generate graphics with legends for export, and have been working with both LevelScheme and the new (to v9) ...
2
votes
0answers
98 views

How do I incorporate metadata using Export?

I have Export["file.png",codeThatMakesAGraphicsObject[],"PNG"]; and want to embed some specific metadata information. Is there a simple way to do that? Note ...
3
votes
1answer
90 views

Make Entire Area of New Graphic Editable

Create a new graphic via the menu bar: Graphics -> New Graphic. The FullForm expression for this graphic is: ...
1
vote
1answer
127 views

Problem with GlobalClusteringCoefficient

I have a simple problem, I would like to measure the global clustering coefficient for a random graph. Here is my code: ...
13
votes
7answers
1k views

Finding the best way to visualize rather complicated data

I have the following data ...
5
votes
1answer
178 views

How to speed up multi-curve plotting?

The following example is a very simplified version of the problem I'm working with, though I hope it still captures the essentials. First, the definitions: ...
8
votes
2answers
253 views

Labeling a three-dimensional plot

As the title says, I want to add some text in a three-dimensional plot, thus labeling specific parts of it. Here is the corresponding Mathematica code ...
2
votes
1answer
140 views

How to embed graphic-element-specific metadata within a Graphics object?

One of the most crucial requirements for rich, interactive scientific graphics is being able to "annotate" individual graphic elements (e.g. the data points of a scatterplot, the individual curves in ...
9
votes
2answers
530 views

How to position text labels automatically to not overlap other graphics elements?

I was plotting reciprocal frame projection using Locators for a point to be expressed in terms of both the original basis (also specified with ...
21
votes
5answers
502 views

Compiling ColorFunction for faster complex phase-amplitude plots

I have gotten into the habit of plotting complex-valued functions on a plane using a color-function along the lines of ...
0
votes
0answers
35 views

Obtain the coordinates of a point by clicking on it [duplicate]

Is it possible to show the coordinates of a point in a plot by clicking on it ? For example you click on one point on the plot below and you get the point's coordinates.
2
votes
1answer
144 views

Fraction Alignment in Plot Export to JPG [duplicate]

I've produced some plots that have fractional tick labels on the horizontal axis and they look fine. ...
10
votes
2answers
163 views

Can I define new graphics directives?

Is it possible to define new graphics directives? For example, suppose I want to be able to use the following code: ...
14
votes
4answers
470 views

Can TreeForm be displayed “sideways”?

One recurrent problem I'm having with displays generated with TreeForm is that the expressions to be so displayed often at least one level with many (> 20) nodes ...
23
votes
5answers
567 views

How to examine the structure of Graphics objects

One difficulty I'm encountering in studying the structure of Graphics objects is that I have not yet found a way to print or display such structures that are ...
9
votes
1answer
188 views

Structure of Graphics (esp. those produced by Plot, ListPlot, etc.)

I'm looking for a description of the structure of Graphics objects, aimed at the advanced Mathematica programmer. The motivation for this question is the ...
0
votes
1answer
300 views

List plot joined with stair steps instead of diagonal lines

What's a simple way to plot a list of points so that they're joined with stair steps instead of straight lines between the points? I'd imagine something like... ...
10
votes
1answer
577 views

Roads network visualization by thickness and color intensity by population from GIS files

We can have road networks of the countries in GIS shape file.For exmple from here. Normally traffic flows are proportionate to populations of the cities. I wonder how we can have the same in ...
2
votes
0answers
120 views

I am not able to plot legends in list density plot using c program. Getting blank legend

I have tried to load the "PlotLegends'" package. Here is my code, ...
4
votes
2answers
331 views

How to exclude some points to make them more evenly distributed in a figure

If there are some points in a figure, how can I exclude some points to make them more evenly in the figure? 'Evenly' here can be defined as the number of points in each $0.01*0.01$ box is at most one. ...