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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0
votes
0answers
23 views

ColorFunction in GeoRegionValuePlot

I don't understand ColorFunctions so any general pointers will be greatly appreciated. My specific question is the following. I want to animate a GeoRegionValuePlot. In the toy case below I have two ...
3
votes
3answers
291 views

How to create a Disk with smoothly changing coloring?

I want to have a disk. But this disk shouldn't have a fixed color; instead, I'd like it's color to fade smoothly. Until now, I came up with two ideas how to achieve this. Idea #1: ...
10
votes
0answers
82 views

Incorrect use of Scaled causes crash

Bug introduced in 8.0 and persisting through 10.0.2 or later While playing with Scaled, I made a syntax error which caused a crash instead of an error message ...
3
votes
1answer
113 views

Keeping Font Relative Size to Object/Graphics/Plot Object upon Resize

I want to keep the text generated within a graph/plot to remain the same relative to an element (a disk of size 0.2) of the image upon resize, not the image itself, while maintaining the original ...
0
votes
1answer
20 views

Histogram 3D: use different bin width in two directions

I'm trying to plot an histogram of a set of data, I would like to use a bin of different width in x and y direction. I've tried using the following two codes: ...
1
vote
1answer
38 views

LineScaledCoordinate problem for exact coordinates

Edit: Confirmed bug. CASE:2326540. Solution: Wait and use N meanwhile. I've faced this problem writing an answer for ...
8
votes
4answers
475 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 ...
2
votes
0answers
42 views

How do you plot polygons with GeoRegionValuePlot?

How do you plot polygons in GeoRegionValuePlots? I'd like to reproduce what the call (2) (below) does with something like the call to (4). As you can see using GeoDisk(s) (3) works but the call (4) ...
2
votes
1answer
38 views

Epilog does not work as expected with Show [duplicate]

I was trying to answer this question (here) and I found that I can't use Epilog with Show. consider this Example: ...
1
vote
0answers
47 views

Version incompability Mathematica 10 CDF Player 9

I have aleady looked at these two questions: Is there a CDF Player for Mathematica 10? and Problem with NDSolve in Mathematica 9 / 10. My problem is as follows. I am simluating neurons, which ...
0
votes
0answers
28 views

ErrorBarFunction styles [duplicate]

I am having trouble making sense of the help I have found for the ErrorBarFunction command. I am looking for basic instructions on how to change the width, style, and color of my error bars. ...
0
votes
1answer
49 views

Why does `Table` returns values but `Plot` doesn't plot them?

The Table function works fine and return a nice list of values ...
2
votes
1answer
172 views

Drawing all lines between a set of points

Given that I have the array of points, ...
-1
votes
1answer
74 views

Finding the pixel positions for the straight line joining two points [duplicate]

Please help me solve the given problem. Find the pixel positions for the straight line joining P1 (10, 20) and P2 (18, 25)
4
votes
3answers
344 views

How can I make an linear breakdown chart similar to those seen on iCloud? [duplicate]

How can I make a interval breakdown chart like this: Update: I checked BarChart and Gauge they do not have this capacity.
2
votes
3answers
160 views

Using DiscretePlot to graph the Riemann sum of a parabola

I want to graph the Riemann sum (upper sum) of $y=x^2$ with $1\leq x\leq 4$ using 6 rectangles. I want the rectangles to be green. On the Wolfram Mathworld website, I can render exactly what I want ...
1
vote
0answers
44 views

cut and project tilings — Amman Beenker tilings

A certain research paper gives a recipe for building Amman-Beenker tilings as a special type of cut-and-project algorithm. The result is usually a pleasant kind of aperiodic tiling shape. The ...
0
votes
2answers
56 views

How to create a custom filling with ListPlot

We have the following simple example ...
1
vote
1answer
73 views

Rasterized density plot with vector axes

I'm wondering if there is an easy way to get the plot below exported in a small pdf? The plot below is made in the following steps: step 1: Create a streamplot step 2: Create a densityplot, where ...
2
votes
1answer
104 views

How can I make a map of Sierra Leone at the district level?

Hi I am trying to make a map of Sierra Leone and am running into trouble. SL has 4 provinces: Northern, Southern, Eastern, and Western, which are diced up into 14 districts as shown here: ...
2
votes
2answers
65 views

Placing text within a plot

I want to place text within a plot. The text is always centered relative to the coordinates. How can I left-align or right-align the text relative to the coordinates? For example: ...
0
votes
2answers
126 views

Mapping Contour Plot onto ListPlot3D (or by using color variations)

I am trying to overlay a contour plot I have created on a ListPlot3D graph. I have seen a few questions answered on this website that answer my basic question. However, the contour plot I need to ...
1
vote
0answers
36 views

Join a surface and a density plot [duplicate]

My question is if it's possible to do something like this with Mathematica: I know that it is possible to plot a surface with Plot3D and a 2D plot with DensityPlot, so I was wondering how to join ...
0
votes
0answers
36 views

How can I maximize image quality in a notebook?

This may not be a new topic. I have some images from Visio that I would like to include in a Mathematica notebook. Once I have added the image to my notebook, the quality is degraded. Is there a ...
2
votes
1answer
54 views

Specifying the style of edges in directed graphs [closed]

How do I specify the style of individual edges in a directed graph (in Mathematica version 9)? Consider maybe this ...
6
votes
2answers
165 views

How to make a “flat” plot (or a grid of 2 plots) of 3 variables in Mathematica (sample picture attached)

Is it possible to plot that kind of graph in Mathematica? (picture attached) If yes, it can be used to visualise a simple "balance system" of the form: X = f[e]; ...
2
votes
0answers
62 views

Unnecessary and slow conversion between simple polygons and geometric regions

To my knowledge some (but not all) of the new geometric region functions in Mathematica version 10 require an additional step to convert from geometric shapes into regions. However this step Does ...
4
votes
2answers
175 views

Embedded Graphics: General Relativity

Is there a way to make the following graph with two dimples? Like the central indent and another indent to the side to simulate a central mass like the sun and another smaller mass like the Earth in ...
6
votes
1answer
145 views

Aristic rendering of breaking waves from a Japanese panel

Any insight to model and render the breaking waves in the style of this - likely Japanese or possibly Korean panel? Line drawings are acceptable, not necessary to replicate all the details like ...
4
votes
2answers
250 views

How to plot an implicit value funtion

Previous question has been solved (Gap in a continuous plot). Here is a new related question. ...
1
vote
4answers
109 views

Problem with ContourPlot [Not smooth curve] [closed]

Here is my code ...
3
votes
1answer
136 views

List Contour Plot: Delete some contour lines, but keep the colors

I'm trying to make a Contour plot of a set of data of the kind: $(x,y,f(x,y))$ What i'd like to do is to remove the majority of the iso-line and just leave two of them, but keeping the changing of ...
1
vote
2answers
134 views

The graph of inverse function $f^{-1}(y)$

Show that $f:I=(-1,1) \rightarrow \mathbb{R},$ it follows that $$ f(x)=\begin{cases} \quad1-x & \text{ as } -1<x\leq 0, \\ \frac{{x}^{-1}+ \lfloor {x}^{-1}\rfloor}{1+{x}^{-1}+\lfloor ...
2
votes
2answers
95 views

Plotting boundary of piecewise function in ContourPlot

I am trying to do a ContourPlot of the following function: ...
2
votes
0answers
77 views

Font rendering difference between .jpg & .pdf [duplicate]

I have some planar graphics involving lines and text, produced by Line[] and Text[], accepting the default font on the latter. ...
10
votes
2answers
641 views

Rendering thousands of points

I am trying to render an image with some 120,000 Points. Technically it's just 10,000 points, plus their reflection, plus 5 rotations of both of those sets, but I'm ...
1
vote
2answers
215 views

Generate nonoverlapping random circles [duplicate]

I want to distribute n circles unformly in an area(e.g. free plannar space). The circles could touch each other but cannot overlap. ...
0
votes
1answer
67 views

Display 3D function and its gradient in same graphic [duplicate]

Is it possible to display e.g., $z=x^2+y^2$ with Plot3D and in the same box, in the $z=0$ plane, plot its gradient?
1
vote
0answers
57 views

ImageResolution Doesn't Work!

The code below is supposed to generate a high resolution plot, but it does not! g = Plot[Sin[x], {x, -1, 1}]; Export["c:/sin.jpg", g, ImageResolution -> 600] ...
2
votes
0answers
58 views

How to combine several plots with this special alignment? [duplicate]

How can combine different plots just as shown in the image? Just give codes about one example plot,and tell me how to create plots as the form as gaven. Follows are codes: n = 2; z = 200; [Alpha] = ...
0
votes
0answers
73 views

Exporting graphic to pdf acting funny [duplicate]

I have a plot created in a notebook that I usually would right click on and choose Save as pdf. It worked fine until this morning. Shown below, the first plot is what I used to get. The second plot is ...
3
votes
2answers
157 views

How to cut a thick curve in half lengthwise?

Is there any easy way to cut a thick curve in half lengthwise? Example: suppose I have the cardioid shown in the figure below, is there a way to delete either the inner or the outer portion of the ...
0
votes
0answers
66 views

How to randomly create disks with randomized radii under given specific cover ratio? [duplicate]

I want to create uniformly distributed disks(dots) in a specific rectangular area. Suppose: the disk radii should be uniformly between $a$ and $b$ ($0<a<b$); there is no interaction between ...
5
votes
3answers
134 views

Find Unconnected Subregions

If I have a region, how can I identify sub regions that may be disconnected, if any exist? region defines a rectangular region given two diagonally opposed ...
0
votes
1answer
157 views

How do I plot results of complicated calculations in Mathematica?

I am new to Mathematica and am struggling with making plots of how features of solutions vary with parameters. For example, I can find the eigenvalues and zeroes of a Sturm Liouville problem (showing ...
2
votes
1answer
181 views

How can I improve ContourPlot to get smooth curve?

I am working on the ContourPlot to creat contour line of a InterpolatingFunction recently. This is my data. This is my simple ...
0
votes
0answers
45 views

Align axes in GraphicsGrid - with one rotated figure

I would like to align the axes of the three plots: g3, gPosteriorMarginalMu and gPosteriorMarginalSigma: ...
5
votes
2answers
169 views

How can I use ContourPlot to creat streamline for a free surface domian: proper arrow orientation and correct domain?

I get into trouble when I use ContourPlot to draw streamlines in a free surface flow domain. This is my data.The data are a little bit big, please be patient. ...
1
vote
1answer
21 views

How to share `ChartLegends` among multiple `BoxWhiskerChart`s in `GraphicsGrid`?

First, create two BoxWhiskerChart: box1 and box2 ...
2
votes
1answer
98 views

Dynamic overlay of graphics and plot while maintaining uniform coordinates [closed]

I have a plot and a graphic that I want to overlay onto one another while retaining a uniform sense of coordinates throughout the whole thing. I have tried to do this two ways and both suffer from ...