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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10
votes
1answer
127 views

Unwanted PlotMarkers appear at non-existent places

In this simple code ...
5
votes
1answer
315 views

How to display each step of an A star algorithm?

I wrote a pathfinding program: A*, which is an extension of Dijkstra. I want to see the result of each step at a time. Which function should I use? The main program is the notebook Astar, which is ...
0
votes
0answers
63 views

densityplot + world map overlay [duplicate]

I can make a world map, and I can make a density plot, but I can't seem to get them to overlay. Was trying to use Show to overlay: ...
0
votes
1answer
161 views

Transforming an image as an object

The problem is following: I have a following animation: ...
41
votes
4answers
2k views

Speeding up this fractal-generating code

I used the code below (which is a sample from this gist containing more similar code) in my answer to my own question about Mandelbrot-like sets for functions other than the simple quadratic on ...
10
votes
3answers
2k views

Poor rendering of fractals

Could someone explain why I get those ugly graphics .. ..trying to use fractals in mathematica 8 ? I'd also like to know if it is possible to draw 2D fractals in Mathematica My configuration ...
3
votes
2answers
225 views

Recognize simple shapes in an image and color them randomly?

I have an image of polygons built from a polar function (see below). I'd like to color each triangle or quadrilateral a random color. Firstly, I'm not sure how to separate the simple shapes. ...
2
votes
2answers
229 views

Generating social network graph from a CSV file

I am new to Mathematica and wanted to generate undirected graph for data sets that show the relationships of organizations with each other. The data is in a square matrix. The cells of the matrix ...
4
votes
4answers
194 views

Using Locators in a non-standard Manipulate code

I'm trying to adapt Nasser's method for using a control variable inside Manipulate to selectively choose what part of the code should be recalculated depending on the controls changed (see this ...
12
votes
1answer
466 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 ...
1
vote
1answer
108 views

Graphics with shapefiles using tooltip

I'm trying to write a code that displays an entire shapefile color-coded by one variable, and then as the mouse is moving it shows the local regional area of interest with all its data Got a working ...
1
vote
1answer
197 views

Detecting a nonlinear edge in a 2D point pattern

Following an earlier post here, I have generated a point pattern on the unit square $[0,1]\otimes[0,1]$, which is described by a piecewise constant intensity function constructed so that (in ...
1
vote
1answer
126 views

ListPlot doesn't shows all points [closed]

I have a table: p1 = Table[(Binomial[2000, k]*StirlingS2[1386, k]*k!)/(2000^1386), {k, 1, 1386, 1}]; I used ListPlot[p1] ...
2
votes
2answers
107 views

Assigning weights to edges of a hypercube based on the Gray code labels for vertices being connected

Say I want to construct an $n$-dimensional hypercube graph $G$ using the command: G = HypercubeGraph[n]. I'd like to assign edge weights to the $2^{(n-1)}n$ edges ...
2
votes
2answers
115 views

how to get a linearized curve in some intervals

in below picture I draw a graph base on weight of a controller system against cost function. I want to linearise and divide this curve to for example 5 five intervals. is there any function in ...
0
votes
1answer
60 views

Maximum but still limited magnitude region is not plotted with ContourPlot [closed]

The function is well defined in the whole region. But it just skips plotting the center region. I've tried PlotPoints, Mesh, Contours - it didn't help. After making more contours. White hole is ...
56
votes
6answers
5k views

Generating visually pleasing circle packs

EDIT: I want to thank you all guys for this unexpected intellectual and artistic journey. Hope you enjoyed as I did. I would like to generate a circle pack that ...
1
vote
1answer
98 views

How can I show a rotated PDF plot superimposed on a ListPlot of the underlying data?

I have a set of 3 lifetime datasets in lists called values1, values2 and values3. values1 = {53377., 16542., 31418., 5629., 17654., 7365., 15797., 862., 76906., 10073.}; values2 = {74412., 15620., ...
1
vote
2answers
139 views

Plotting in the “Manipulate” function - simple coding

Hello Mathematica community, my name is Preston! I have a real quick question that should be easy to answer. Alright, so for a research project that I'm involved it at my university, I need to ...
1
vote
1answer
86 views

Extract Graphics properties using EventHandler

One can find primitives' properties such as the radius, the center or the color of a Disk using Cases by using: ...
14
votes
2answers
213 views

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

Exporting the following as a PDF file Graphics[{ {Red, Rectangle[{0, 0}, {1, 1}]}, {Green, Rectangle[{1, 0}, {2, 1}]} }] does not produce perfectly tiled ...
1
vote
2answers
146 views

Analyzing Betting (Keno) in Mathematica [closed]

Keno is a popular lottery game that is available with all of the larger casino softwares. The player is given a ticket with 70 numbers on it. He picks 1 to 11 numbers on the ticket. 20 winning numbers ...
0
votes
0answers
70 views

GraphicsGrid confusion

When I make a GraphicsGrid the numbers on the axes stay full size, which makes things very ugly. How do I make them smaller? In addition, when I select the ...
37
votes
9answers
2k views

Animating mathematica.se logo

As we all know our site's logo was completely generated by Mathematica. I suppose it is quite natural to make the next step -- to generate the animated version of this logo. There's a lot of space for ...
1
vote
1answer
146 views

Finding intersection of 3D lines

I want to find the intersection of 3D line. I want to detect the 3D light source position by intersecting 3D lines. ...
4
votes
2answers
318 views

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

[The following problem occurs on OS X; I don't know if it also occurs with other OS's.] If I produce a Graphics object with ...
0
votes
1answer
86 views

Revolving the area between two functions about an axis

I'm trying to graph the revolution of the area between two functions about an axis, but I'm new to Mathematica, and not sure how to proceed. My area is defined by ...
3
votes
1answer
138 views

Ugly plots when printing notebook to pdf

One image is worth one thousand words, so: Question: At what options should I be looking, so that what I see in my notebook is what I get in my printed pdf ? Here is the code I'm using: ...
1
vote
1answer
75 views

Possibility of evaluating the expression within a NestList at each iteration?

I want to rotate iteratively a triangle about the same point, increasing for each iteration the length of its side in the same proportion and change the color of its sides. I came up with the solution ...
0
votes
2answers
250 views

Combining Graphics & ContourPlot using Show

I was recently experimenting in Mathematica and was combining graphics and a contour plot and discovered the order of elements in show matters. Why would the order matter here? ...
2
votes
1answer
119 views

How to break graph to fill in the gap in pdf

I've printed my notebook into a pdf. There is a huge gap in the left page, due to the fact that the graph in the right page isn't divided to fill in the gap. Is there a way to fix it, preferably ...
1
vote
1answer
117 views

Using Manipulate with a control variable for selective recalculation

I'm trying to adapt Nasser's method for using a control variable inside Manipulate to selectively choose what part of the code should be recalculated depending on the controls changed. I've also read ...
23
votes
4answers
1k views

How to make a drop-shadow for Graphics3D objects

What's the best way to make a drop shadow for a 3D object? image = Graphics3D[Sphere[], Boxed -> False] I can get a blurry black outline of this: ...
11
votes
1answer
222 views

Finding minimal region with padding and linear map to circle

Suppose I have n ordered points. I would like to find a simple region that contains all the points and is close to the smallest region that contains the points except it is smooth and has some ...
2
votes
2answers
113 views

DensityPlot Increase Information

I am trying to make a density plot in Mathematica, however the distribution of the plot is not as visible as I would like. I plotted the same function in python and it contains a greater visible range ...
15
votes
3answers
551 views

How to get the real PlotRange using AbsoluteOptions?

The problem in general involves the unreliable behaviour of AbsoluteOptions when option values are implicitly specified (e.g. ...
1
vote
1answer
156 views

How to make a big image/dashboard containing various data-graph

I want to make and image/dashborad (to export to PDF) with many VERTICAL bullet graphs gauges. And I can´t making it, in a automatic way. In general, the question is QUESTION 1.- how to make any ...
4
votes
4answers
224 views

Filling and Shading an Harmonic Curve

Suppose I have an equation plotted as shown: ...
0
votes
2answers
357 views

Copy and pasted graphics are fuzzy

I have a function that creates a 2D line with filling to the axis. When I copy this graphic into word it is very fuzzy, so much so that the numbers and text are almost unreadable, not to mention the ...
0
votes
1answer
98 views

Hue function for negative arguments

I want to use Hue function for different colours with the argument being a function, i.e., Hue[f[i,j]] Now, ...
1
vote
2answers
81 views

ListPlot : range from $0$

I want to plot values of a table for example: table = {0.456, 0.7899, 1.3456, 9.8908} But I want to Plot points (x,y) like: ...
4
votes
1answer
114 views

Detect a graphic primitive inside a Graphic

Please excuse me if that question is too basic but I couldn't find anything in the documentation or on here. If you consider the following Graphic I would like to ...
0
votes
1answer
69 views

To put a plot inside of a plot [duplicate]

I'd like to put a figure of a 2D-plot into a larger 2D-plot (into some white-space), like in the example below: I don't precesely know how It's done, could anyone help me with this one? Is it with ...
1
vote
0answers
35 views

How do I change a ColorFunction filling to be top-down as opposed to left-right? [duplicate]

I've been stuck on a seemingly simple Graphics issue for quite a while now... I am trying to make a temperature distribution Plot that will have a colorFunction filling to show red when at a higher ...
3
votes
2answers
76 views

How to align the output of MatrixPlot with the output of Plot

I am trying to figure out how to align different types of plots into one image. For example in the following code, it plots two lines on top of a MatrixPlot. I want ...
11
votes
2answers
561 views

How to plot a barycentric line

I want to plot a barycentric function on an equilateral triangle (ternary plot). For example f1 = {Abs[Sin[x]], Mod[x, 2], Abs[Cos[x]]}; At the moment I evaluate ...
1
vote
3answers
172 views

Plot a table of ranges

I have table with values like: t = {1.234 <= a <= 2.345, 3.42 <= a <= 5.67, ...} and I want to plot this table, the ...
2
votes
1answer
196 views

Nicely illustrating the evolution and end-state of a discrete-time Markov chain

I'm simulating a discrete time Markov process on a finite state space corresponding to a linear interval $(x_1, x_2, ..., x_N) \in X$, where each time step $t_i$ involves updating the state of some ...
12
votes
4answers
690 views

Combine absolute and relative (scaled) coordinates

I am using Inset to add an Epilog to a plot. The position of the images (in my case: framed numbers) can be specified as an ...
12
votes
4answers
296 views

Prevent graphics render inside held expression

Assuming each odd line is input I would like the even lines to be the output of the following lines. In the above the Graphics are inside ...