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
3answers
1k views

Mathematica 8: ContourPlot finding out max and min function values [duplicate]

I have a ContourPlot where I have let Mathematica draw the contours automatically. I would like to extract the zmax and zmin contour values that have been determined internally so that I can pass them ...
1
vote
1answer
1k views

Problem with transparency when I export an eps file

I have the following simple Mathematica code: ...
0
votes
6answers
204 views

How to build a game board [duplicate]

I have - rather lazily - constructed a chessboard like this: ...
0
votes
1answer
246 views

A problem on generating convex hull

For example, I typed the following: ...
16
votes
4answers
442 views

How do you turn off the Dashed graphics directive? [duplicate]

I'm looking at Graphics Directives but can't figure out a way to turn off the Dashed graphics directive. For example, given ...
15
votes
2answers
273 views

Upon PDF export, edgeless rectangles do not tile perfectly, and corners may be cut. Is this a bug?

Note: this problem is no longer present in version 10. Exporting the following as a PDF file ...
12
votes
4answers
3k views

How do I draw a DensityPlot in polar coordinates?

I am trying to plot $J_m(\chi_{mn} r) \cos(m\phi),$ where $J_m(\chi_{mn}) =0,$ as a DensityPlot in polar coordinates (solution to 2D wave equation in polar ...
12
votes
1answer
244 views

Effects of single-point and multi-point calls of Point on plot range

Several Graphics primitives are listable. For instance, Point accepts lists of coordinates so that multiple calls to Point are ...
11
votes
2answers
255 views

can a ColorFunction have side effects?

Can anyone explain this (to me) odd behavior. If I run this code once (fresh kernel) it works as intended. ...
9
votes
4answers
477 views

Animate point go round a triangle

How can I animate a point moving on triangle sides? I can generate traingle and point but I have no idea how to define point movement. I'm guessing that I have to use sin and cos in coordinates but I ...
9
votes
2answers
406 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 ...
8
votes
3answers
434 views

TreePlot with centered vertexes

I want to draw a tree plot for Euler totient function for this question like the following: I generate the EulerPhi for first 20 numbers into a list: ...
7
votes
3answers
217 views

Graphics in Notebook Different from Graphics Expression?

Consider the expression TreeForm[a+b^2+c^3+d] which displays as This is a nice Graphics object, as I can prove by typing ...
7
votes
1answer
131 views

What should I call the messages that appear when the mouse moves over failed graphics output?

I attempted to evaluate the following Plot[x^2, {x, 1, 2}, PlotStyle -> {RGBColor[a]}] which, of course, failed. After the failure, putting my mouse over the ...
7
votes
2answers
264 views

How to Rasterize in “Printout” style

I am trying to ascertain how large a justified text block will be when printed by rasterizing it in the "Printout" style environment. However, ...
7
votes
2answers
321 views

Dealing with numbers too large for machine precision in Graphics

Graphics only supports machine precision numbers (i.e. number that can be converted to machine precision). Take for example ...
6
votes
2answers
205 views

How to get rid of the blank areas around alphabetical images?

I attempt to test the mean graylevels of the alphabets "W" and "Z". I used the following code to create the images of them. ...
6
votes
1answer
752 views

How can I get better control over StreamPlot?

I'm having some difficulties with the command StreamPlot in Mathematica 7.0. Here's the basic plots I'm doing : ...
6
votes
1answer
220 views

Does it make sense to ask for the color of a Graphics3D “voxel”?

Say I generate some Graphics3D object, e.g.: Graphics3D[{Red, Sphere[{0, 0, 0}, 1], Blue, Sphere[{1, 0, 0}, 1]}] Does it make sense to ask for the color of a ...
6
votes
2answers
1k views

Deformed style when exporting eps files

I want to export a plot into an eps file. Below I present a sample plot code in order to demonstrate the two issues that appear. (1). LabelStyle: When I use ...
6
votes
3answers
499 views

Getting all the countries' flags and then using them as chart labels?

What's the code to list all the world's flags? CountryData["G8", "Flag"] works to get those particular flags, but what about all the world's flags? ...
6
votes
2answers
393 views

How do I transform a rasterized graphic's coordinates back to its original ListPlot data coordinates?

From this question I successfully made an elliptical fit for my data. However, when I try and collect the datapoints within the ellipse via this question the coordinates of my ellipse correspond to an ...
6
votes
2answers
1k views

Animating a rotating disk

I have a system with 3 degrees of freedom that I want to know if it is possible to visualise with Mathematica in the two-dimensional $X-Y$ plane. I have a plane ...
6
votes
2answers
480 views

Generate Random Text within a Rectangle

I would like to generate images such as the four below. That is: some text of different length fit within a Rectangle[] using ...
5
votes
0answers
85 views

More Ticks::ticks errors in AbsoluteOptions in v10

Bug introduced in 10.0.0 While the specific bug affecting Plot described in AbsoluteOptions prints error messages in V10 has been fixed in 10.0.2 there remain ...
5
votes
1answer
111 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 ...
5
votes
1answer
104 views

Why does a heavy background slow LocatorPane from updating, even if only the locators are Dynamic?

I'm having some trouble getting a dynamic plot to operate efficiently, and I think I've tracked down at least part of the problem to some pretty weird behaviour on the part of ...
5
votes
5answers
691 views

Subdividing a polygon , equivalent fractions

I see that I was a real "doofus" here and my original question was flawed. You can't divide a polygon like you can a circle or a rectangle, except in special cases... I should have seen that right ...
5
votes
0answers
153 views

some Graphics output do not fully render on the screen until an extra click is made into the notebook

Sometimes when using a command such as Grid and looking at the output, some of the actual lines (frame, gridlines) that make up the display will be missing on the ...
5
votes
1answer
241 views

Exported graphics texture to eps is too dark

Why is the exported graphics eps file so dark? It looks much lighter (and better) as the Mathematica output appearing the notebook. After running ...
5
votes
2answers
314 views

Median marker style in BoxWhiskerChart

I was trying to adapt the BoxWhiskerChart to obtain a minimalistic quartile plot, like this: What I obtained is the plot below that is, however, unsatisfying; ...
4
votes
2answers
137 views

Fill curve betwen specified abscissa points [duplicate]

I am plotting the Maxwell-Boltzman distribution of molecular speeds. I want to be able to select a region to integrate using a manipulate function. Then I want to have that same region filled in on ...
4
votes
4answers
262 views

Conveying density of 5-smooth (Hamming) numbers

A number is 5-smooth if its only prime factors are 2, 3 or 5. Example: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, … Interesting thing is that as they become larger ...
4
votes
3answers
120 views

Style changes between controls and graphics

In the following Manipulate, the style (font?) of the a changes between when it is a control label and when it is a label in the graphics. Is there a way to make ...
4
votes
4answers
288 views

Filling and Shading an Harmonic Curve

Suppose I have an equation plotted as shown: ...
4
votes
1answer
3k views

Transform 3D data into 2D color map like Matlab's surf/imagesc

I have a bunch of 3D data (x, y coordinates and values) which is generated in Matlab and I need to render them in a 2D color map with certain axis ranges. Here are the Matlab code and the generated ...
4
votes
1answer
271 views

Use single ListPlot for multiple sets of data (on separate graphs)

This is the code I have working for a single set of data. Is there a way I can structure this to have multiple sets of data? ...
3
votes
0answers
106 views

How can I export graph as PDF with metadata such as Title and Author fields

I want to export a figure from Mathematica in PDF format. Moreover, I want to fill Author and Title fields of the PDF. For example, to fill Author field, I use the following code: ...
3
votes
1answer
130 views

How to draw a normalized tangent arrow [closed]

I want to draw a normalized tangent arrow, so I use the Normalize command as follows: ...
3
votes
2answers
315 views

Transfer graphics from Mathematica to Word without loss of quality

I want some high-quality 2D graphics produced by Mathematica in my paper. My step-by-step operation as follows: First I make the plot, for example, ...
3
votes
0answers
43 views

Tick labels above axis [duplicate]

Is there any way to place tick marks on the x-axis above the axis? Note that I am talking about marks on the axis, not on a frame (because my graph has no frame). To be more specific, here's the ...
3
votes
2answers
189 views

Using high RasterSize or ImageResolution changes contour pattern

I found that the detailed contour pattern will be altered if we Rasterize the original graphics using high RasterSize or ...
3
votes
1answer
123 views

Comparing data sets with fade transitions (Code speed-up)

I am using the utility below for data comparison. However, with my real (more complex) charts the processing is quite slow, so setting the Pause time under ...
3
votes
1answer
337 views

Exporting PDF file - incorrect graphic [closed]

I export graphics to PDF using: Export["/path/figure.pdf", plotname] It gives me more than enough quality for PDFLatex. But somehow, some exported plots have ...
3
votes
1answer
511 views

Insert a 2D graph in a 3D graph

I have this question: Suppose I have some two dimsensional graphic element, say "flower" (i.e. a picture of a flower) in a Mathematica notebook. I want to insert this figure, say at a specific ...
3
votes
1answer
133 views

Loading graphics consumes execution time

I have created a grid, and also made a list of control objects(ex:inputfields, buttons, etc..). Then, I lay the list in my grid. There is no problem. However, the final layout takes a lot of time. I ...
3
votes
1answer
235 views

How to partition MatrixPlot graphics?

Is there an easy approach - hopefully built-in - to partitioning MatrixPlot graphics into rows or columns (or both) of graphics sharing the same underlying options? ...
3
votes
1answer
386 views

Problem in RegionPlot3D

I tried to plot the region bounded by the three planes. This is supposed to give me a pyramid type of shape (actually two, but I am just taking one of them). The code is given by ...
3
votes
4answers
270 views

What is the most efficient way to save a big graphic?

I want to generate a graphic using DiscretePlot[primePercent[x], {x, 10^10}, ImageSize -> Full, Filling -> None, Joined -> True] where ...
2
votes
0answers
169 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 ...