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
2answers
269 views

How do I determine the original aspect ratio of an imported image?

Say I import a TIFF, JPEG, or PDF image. How can I quickly determine the original aspect ratio of the image so that I can properly scale its size? I have thus far been unable to find an answer ...
2
votes
2answers
942 views

How can I invert the colors in a color bar

I have this Mathematica code ...
2
votes
1answer
186 views

Drawing all lines between a set of points

Given that I have the array of points, ...
2
votes
1answer
454 views

How to insert a plot into another overlay plot

I want to insert a plot into another overlay plot. Here is my code: ...
2
votes
2answers
214 views

Using BarChart and pastel colors is there a method to get the labels to be the same color as the bar?

I am using version 8 and I have the following code: ...
2
votes
2answers
132 views

How to set viewpoint Graphics3D to a different default orientation?

I'd like to have a SphericalPlot3D show up with the "z-axis" oriented horizontally by default. For example, in ...
2
votes
3answers
149 views

How to embed a filled Region in a Graphics?

Let for example: regn = RegionDifference[Rectangle[{-2, -2}, {2, 2}], Disk[{0, 0}, 1]]; The only documented way I found to draw a gereric region ...
2
votes
3answers
115 views

plotting two Error List Plots in one

I made two ErrorListPlots ...
2
votes
2answers
178 views

How to specify units for ImageSize Option? [duplicate]

I'm trying out making a CDF and I want it to print within the margins of Letter paper. There is an ImageSize option that I would like to set; some plots will be in ...
2
votes
2answers
182 views

Color of first and last point in a graphic

I'm trying to make a graphic of a random walk in 1D, but i want that the first and the last point have a color (in this case the first one red and the last blue), but i dont know what i'm doing ...
2
votes
1answer
233 views

Making a rectangular label for RegionPlot

I have a plot that includes a Region Plot. I want to make a rectangle with the same shading as in the region plot to show as a legend. The dumb way I can think off ...
2
votes
2answers
525 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 ...
2
votes
1answer
280 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 make it, in a automatic way. In general, the questions are: QUESTION 1: How to make a ...
2
votes
1answer
118 views

How can I plot a picture with this kind of legend?

Can "plotlegend" do that? I cannot find a proper function.
2
votes
2answers
390 views

How can I build a GraphicsGrid of arbitrary size?

This is actually a very simple scenario, in order to make simpler this question Part I. Consider the following piece of Mathematica code ...
2
votes
2answers
137 views

A plot with labeled points in one plotting command?

For my work, I am examining the values of a complex function as I vary the input according to a real parameter, and I want to both give the general plot and the plot of specific points, with labels ...
2
votes
1answer
129 views

ListPlot with conditions

I have a data file containing the position of about $10^5$ stars of a spiral galaxy. Here is the plot and this is the corresponding code ...
2
votes
1answer
193 views

Why Plot3D does not accept Epilog option [closed]

I am trying to visualize 3D points with Plot3D using the option Epilog. If you check the options of Plot3D ( Options[Plot3D] ), it can be seen that Epilog is one of ...
2
votes
1answer
157 views

Order of symbols in Graphics labels

Do you have any idea how to force an order of Greek letter in the graphics? When I type in AxesLabel -> {Cost, Δ OverBar[π]} the order is π Δ. How can I ...
2
votes
2answers
283 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 ...
2
votes
1answer
102 views

Unexpected scaling of graphics when using Show

Here is my code: ...
2
votes
1answer
155 views

Copying each object in a plot separately 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 ...
2
votes
2answers
616 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 ...
2
votes
1answer
97 views

Graphing the amount of time a function takes

I know I can find out the amount of time a function takes to run like this: In:= function1[100] //Timing Out:= {0.043334, Null} How can I graph this over a set ...
2
votes
1answer
451 views

How to convert an output to a graphic that can be selected like a plot?

EDIT: István Zachar informed me of the Rasterize[] command, which does exactly what I need. Danke! I have a self-built function that uses Grid[] to create a table that is more presentation-friendly ...
2
votes
1answer
249 views

Why are my FrameTicks not working on ArrayPlot?

For some reason the ticks don't work on this: ...
2
votes
2answers
340 views

How to extract RGB arguments as a list

Although the following lines of code work fine they are very awkward. My questions are below a = RGBColor[1, 0, 0] b = RGBColor[0, 1, 0] Is there a more compact ...
2
votes
1answer
539 views

How draw dynamic empty rectangle over a bitmap?

I am trying to make a cookie cutter that will extract a small square from a much larger bitmap with a click of the mouse. The LocatorPane appears to be a useful way ...
2
votes
2answers
1k views

Animation of Differential Equations from NDSolve with ParametricPlot3D and Evaluate

I have a system of differential equations (referred to as "s") and use NDSolve to obtain the solution. I substitute the interpolated functions for the original ...
2
votes
1answer
289 views

Hakim's Sphere in Mathematica?

Hakim El Hattab's Sphere, consists of only a handful of lines of Javascript, and would probably be even terser if written in Mathematica. How difficult would it be to "transcode" Mathematica to JS? ...
2
votes
2answers
114 views

How to pad Background size in Style calls

When highlighting text using Style and Background, as in ...
2
votes
1answer
125 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
1answer
193 views

How to highlight image edge with spline/bezier when mouse moved over?

It is known that EdgeDetect can find image edges in an image. Suppose the image edges consists of sets of lines. Can the detected edge line near the mouse pointer be highlighted as spline/bezier when ...
2
votes
1answer
99 views

ListContourPlot is blank

This is probably very simple. I want to do a simple ListContourPlot. ...
2
votes
3answers
135 views

Force change in aspect ratio of Inset image

I have an image that I want to place in the background of a plot and stretch it to cover the entire plot area. However, the aspect ratio of the image does not match the aspect ratio of the plot, and ...
2
votes
1answer
216 views

How can I plot a circular region and lines?

I am having difficulty plotting something along these lines in Mathematica. I will explain what is going on here. Basically, I am solving an interval equation $ax=b$, in the first example $a = [1, ...
2
votes
1answer
219 views

GUI of a Karnaugh Map

I intend to implement a three-variables Karnaugh map with the following code. There are two points I failed to figure out. How to remove the outer double-line border? How to change the toggling into ...
2
votes
2answers
212 views

Saving graphics in Adobe Illustrator .ai format

How do I save a ListLinePlot graphic as an Adobe Illustrator file (with extension .ai)?
2
votes
1answer
213 views

Label x-axis of Plot with power of two values

I want to make a plot similar to LogLinearPlot, but with power of 2 ticks instead of 10 on x axis. ...
2
votes
2answers
170 views

Set PointSize to pixel size

I have a set of 1million 2D points and I would like to produce an image 200x200 pixels where each point will have the size of a pixel (no more). Additionally each point may repeats several times so I ...
2
votes
1answer
283 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. ...
2
votes
1answer
138 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 ...
2
votes
3answers
112 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 ...
2
votes
1answer
149 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 ...
2
votes
1answer
161 views

Change the behaviour of a LocatorPane

Normally, LocatorPane detects any single click as in the following example: ...
2
votes
2answers
136 views

Graph two interpolations together

I have created two functions, inter1=Interpolation[points1] and inter2=Interpolation[points2]. This creates two functions, I ...
2
votes
1answer
589 views

Distance between 3D curves

I would like to determine the distance bewteen two representations of the Lorenz Attractor. I have two 3D representations for different initial conditions and I want to calculate the distance between ...
2
votes
2answers
2k views

How can I change the position of my plot legends?

As the title indicates, I want to change the current position of the legends in a combined plot. The Mathematica code I used is ...
2
votes
1answer
491 views

Changing default range for x- and y-axis in ListPlot3D

How do I change the default values for the x- and y- axis in this example without altering the z-axis values? For instance, I want the x-axis to follow a range based on "x= 0.01 i+3" (not just i) , ...