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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2
votes
3answers
1k views

How to color a contour plot over a subset of colors displayed in the bar legend

This seems real easy but I can't find the answer. I have a few contour plots that I am combining and want to use only one bar legend that captures all the values. Given that I know the range of ...
6
votes
3answers
169 views

Strange behaviour when line-wrapping text in a Pane

I noticed some strange behaviour of Pane. In the result from the following code, the line wrapping is not consistent: why do the first and last line contain four ...
9
votes
1answer
1k views

How do I flatten transparency on a graphics, for conversion to eps or similar?

I've got a graphic that I'd like to save as an eps file. Trouble is, the graphic has some transparency to it. Since the eps format doesn't handle transparency, I want to flatten the transparency out, ...
7
votes
1answer
128 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 ...
1
vote
1answer
146 views

Behaviour of Locator

I seek advice regarding the constrained behaviour of the Locator: appears confined to square {0,0}->{1,1}. When I change starting position it snaps to this constrained region. The code I am referring ...
1
vote
1answer
111 views

NotebookWrite Multiple Selected Objects

Lets say I select shapes in a Graphics diagram in the following picture. Generated from the following set of code: ...
6
votes
3answers
439 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 ...
2
votes
2answers
427 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 ...
5
votes
1answer
109 views

How to make endpoints flush with fill in ListLinePlot?

If one plots a filled line plot such as, for example, the one produced by ...
0
votes
3answers
1k views

How to fix vertical axis scaling across multiple plots?

I have a collection of plots, all of which have the same horizontal-axis range, but different vertical-axis ranges. These ranges differ not only in the absolute locations of their maxima (...
3
votes
2answers
105 views

Restrict MousePosition to specific Graphics object

I have a problem using MousePosition. I want to restrict the value returned by MousePosition to a specific Graphics object. ...
0
votes
2answers
193 views
0
votes
0answers
106 views

How to add labels to a graph [duplicate]

This should be an easy question but since few examples are given for ShowLegend and I am a new user, I got stuck after many attempts. I plot three graphs which are ...
10
votes
3answers
437 views

How to make Excel-like data bars?

I would like to make a grid where each cell background is partially filled according to the numerical value being represented (on a scale from 0 to 1). Similar functionality to the one requested in ...
1
vote
3answers
490 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?
5
votes
2answers
658 views

Place plot markers in front of error bars with ErrorListPlot

I'm making an ErrorListPlot where the error bars are a different color then the markers and it works, however, the error bars are drawn in front of the markers and ...
8
votes
1answer
255 views

How to compile Heike's winding number function?

Heike gave the following function for winding number: ...
2
votes
2answers
135 views

Graph two interpolations together

I have created two functions, inter1=Interpolation[points1] and inter2=Interpolation[points2]. This creates two functions, I ...
1
vote
2answers
201 views

Why is Text in an Image cut off?

I want to create a long, skinny Image containing only text. This makes a square image of the default size. ...
5
votes
2answers
329 views

Colorize and the Four-Color Theorem

We can write: MorphologicalComponents[image] // Colorize To assign a random set of colors to each component in some image. The example used for reference by ...
2
votes
0answers
174 views

How can I fix my keyboard-free panning?

I'm trying to make a graphics display on a touchscreen device in Mathematica. This means that there will not be a keyboard available for functions such as Panning and Zooming. Because of this, I have ...
3
votes
1answer
158 views

Disable and Enable Hyperlinks Graphics

I have a Graphics element which I edit with Drawing Tools. I have determined a technique using NotebookWrite to add ...
1
vote
0answers
67 views

Efficiently generating 3D histograms for large sets 2D coordinates [duplicate]

I'm attempting to generate a 3D histogram for a large set of two-dimensional coordinates ($\approx 10^7$). the x- and y-components of each coordinate are rounded to the nearest integer, and these ...
2
votes
0answers
107 views

How can I set id attribute of elements when I export an SVG file?

Suppose I have a Mathematica graphic such as g = Graphics[{Disk[{-1, 0}, 1/2], Rectangle[]}] I would like to be able to export this graphic from Mathematica ...
8
votes
3answers
231 views

PlotMarkers don't change colour for different lines

I have a set of data and several function operating on the same data, that I wish to plot together in a ListPlot. I need different ...
1
vote
2answers
212 views

Clear labelling gray-scale plots

I am plotting a number of functions (at least 4 in one plot) with a legend. Needless to say, it is important that it is clear from the legend which line belongs to which function. I tried to play ...
6
votes
2answers
257 views

Add arrows over matrix

How can I plot this graph g1 = Table[x[i, j], {i, 5}, {j, 5}] // Grid; Rasterize@g1 I added these arrows by Ctrl+D's graphics tool. This way maybe hard ...
9
votes
4answers
410 views

Graphics can't be live and editable

Is there a way to construct an interface so that the Code and the Graphics remain in sync? For example I would like to be able to drag/drop and move around different shapes in Graphic while seeing ...
3
votes
2answers
527 views

Creating a grid of plots [duplicate]

I'm really a noob on Mathematica. I would like to create a layout of multiple plots in Mathematica. I've a function that calculates the solution, over time, of a system of differential equations. ...
1
vote
1answer
538 views

Adding an image background to a graph that uses vertexposition

Hello Mathematica stackexchange community! I need your help on a research project. I'm looking to create a graph g with vertices in specifies places and then use an image I have as the background of ...
2
votes
1answer
214 views

Optimal image quality using Rasterize Function

Based on previous posts about plotting two y axes on the same x axis, I wrote this function: ...
3
votes
1answer
218 views

Using MatrixPlot, how can I dynamically zoom in and out with my mouse? [duplicate]

I have a MatrixPlot output which I would like to zoom around in, drawing boxes that define a zoom region with my mouse. These things are all fairly standard in Labview... surely Mathematica must have ...
4
votes
1answer
297 views

ListPlot coloring by density of points

I have a set of points on a circumference: points = Map[Normalize, RandomReal[{-1, 1}, {3000, 2}]] And I want to plot them and color the plot according to the ...
3
votes
1answer
379 views

How do I draw a credible velocity vs. time graph using Locators?

This is partly a math question, partly a Mathematica question. For educational purposes, I'm making a simple demonstration to create a velocity over time graph from six locators. On the basis of ...
7
votes
1answer
542 views

Exporting a sequence of graphs as video efficiently

I have a sequence of graphs that are being created within Mathematica which I'm exporting to create an animated plot of the graph, as follows. ...
6
votes
1answer
338 views

Creating a highly customized BarChart

I am trying to create a BarChart visualization for multi-step data filtering. Think of a traditional sales funnel: many leads, fewer prospects, few customers, very few return customers. The only ...
11
votes
3answers
857 views

How can I visualize 6 square matrices as a cube?

I have six square matrices of the same dimensions in a list, for example: ...
1
vote
1answer
298 views

Measuring the area of non analytical regions in a plot [duplicate]

As the title says, I want to measure the area of different closed regions in a plot. Let me be more specific by giving a characteristic example. In the following figure, we observe that inside the ...
3
votes
2answers
81 views

Manipulation of Automatic settings in a given case

Often I use the Automatic option to specify plot styles, plot ranges, image sizes, etc. I'd like to be able to apply some modifications to these automatically ...
1
vote
1answer
117 views

Appropriate application of plotstyle directives

I am attempting to style a Plot in which all of the lines are Thick and I have selected the colors manually: ...
3
votes
2answers
254 views

FrameStyle in Inset with Framed expression

I am creating some plots that use FrameStyle->AbsoluteThickness@5 and PlotStyle->AbsoluteThickness@0.5. In my plots' ...
6
votes
1answer
661 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
3answers
207 views

Displaying a locator that moves smoothly and updates some dynamic variables

I want to select a point on a graph and display a function of the coordinates value. Asking here a related question I learned to use Setting. Consider the example, where I display the coordinate ...
4
votes
3answers
118 views

Graphics updating from inside double-Fold-iteration within Manipulate

Normally, when using Manipulate[expr, controls, options], the graphics updating should be carried out at the very end of expr. But now I encounter a situation ...
10
votes
2answers
426 views

How to create custom Graphics primitive?

How to create custom Graphics primitive? It should have the following properties, resembling properties of built-in geometric figures, like ...
1
vote
2answers
424 views

Interpolating and plotting a surface for a sparse set of 3d data points

I have a set of $(x,y,z)$ coordinates which sparsely cover a surface, e.g.: data = {{51, 15, 0.1}, {300, 11, 0.99}, {140, 22, 0.123}, {54, 12, 0.66}, ...}; What ...
6
votes
2answers
392 views

Plot3D constrained to a non-rectangular region

I would like to make a nice 3D graphic of a parabolic bowl, with a cylindrical rim. If I do the following: Plot3D[x^2 + y^2, {x, -3, 3}, {y, -3, 3}] I get a ...
0
votes
1answer
126 views

Module Returns Two Values for Plot; I need to Color them

This is probably a very stupid question, but I've been fighting with it for quite awhile now. So suppose you have a module: ...
3
votes
1answer
447 views

White spots in ListDensityPlot

I have a problem with ListDensityPlot. I have some data on an irregular grid. I try to plot them with ...
5
votes
3answers
236 views

label all vertices in polygon plot

Let's say I have the following plot Graphics[{Opacity[0.2], Rectangle[{0, 0}, {4, 4}]}] And I want to label all vertices on the graph to give their coordinates, in ...