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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8
votes
0answers
202 views

Getting EPS imports to respect the original fill rule

One major problem in my attempt to answer to the CountryData flags question is that the way Mathematica handles filled curves differs from the way SVG and EPS style editors do. The latter two have the ...
27
votes
2answers
2k views

An efficient circular arc primitive for Graphics3D

As many people have noted, the 2D graphics primitive Circle doesn't work in a Graphics3D environment. Several solutions to this ...
68
votes
8answers
13k views

How to make an inkblot?

How to effectively create a polygon that looks like a realistic inkblot? So far, I could come up with this (borrowing from Ed Pegg Jr.'s Rorschach demonstration): ...
8
votes
3answers
548 views

How to ensure that Polygon[list] plots a simple polygon?

Consider the following code which plots a triangle. p = {{0, 0}, {.2, 0}, {0, .2}}; {Cyan, Polygon[Dynamic[p]]} // Graphics Then adding (for example) ...
-2
votes
1answer
55 views
20
votes
4answers
984 views

How to plot Error Bars in a 3D scatter plot

This is a simple problem which is proving difficult to solve. I want to plot error bars on points in a 3D scatter graph. I plot error bars on points within a 2D scatter by: ...
38
votes
7answers
2k views

Character edge finding

The following line of code finds the edge of a character: ...
2
votes
0answers
24 views

Export PDF margins different in V9 & V10 compared with version 7

PDFs in version 9 and 10 have bigger margins than in version 7. I can't find any differences in the settings. I'm using A4 paper and it looks like version 9 might be trying to use letter size. ...
1
vote
1answer
55 views

Approaches to solving non-linear systems of equation with assumptions

The specific type of system looks as follows: \begin{align} (r-r')x+4d_1 x^3+4d_{12}xy^2 &= 0 \\ (r+r')y+4d_2 y^3+4d_{12}yx^2 &= 0 \\ \end{align} Where $r,r',d_1, d_2, d_{12}$ are all real ...
0
votes
1answer
31 views

Creating a stream plot of nonliner diff equations [on hold]

How would I create a stream plot (of eccentric closed curves) out of the following two equations ...
0
votes
3answers
300 views

Visualizing data on a world map - flexible record format

I have a list of members of a team, and I want to create a visualization on a world map. I want to plot them on a map, to see some clustering. The fields are: ...
9
votes
2answers
908 views

Font sizes in graphics

I'm trying to find an explanation for the different sizes I'm seeing for fonts added to graphics in different ways, and haven't yet located an easy to understand explanation. Here's a minimal ...
2
votes
2answers
844 views

How can I get even steps on x and y axes in a plot?

I'm plotting the shortest distance from a point to a line using the following code ...
17
votes
4answers
4k views

ListPlot with plotmarkers determined by point

I am trying to build on a simple example here: td = Prime[Range[25]] dsk = Graphics[{Blue, Disk[]}] ListPlot[td, PlotMarkers -> {dsk, 0.7}] How can I make ...
6
votes
2answers
412 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, ...
13
votes
2answers
1k views

How do I map a Mollweide projection onto a sphere?

I have this Mollweide projection of the Earth circa 600 million years ago (http://jan.ucc.nau.edu/~rcb7/370moll.jpg).(1) I want to map this onto a sphere. My results have big black splotches in ...
0
votes
0answers
25 views

How to change a direction of a point after stroke the edge

Could you explain me how to made my point moves like enemies in xonix game, when the point strokes the edge? ...
5
votes
2answers
140 views

How do I get my spline based arrows to have rounded ends?

I would like to change the how the ends of the spline arrows in my figure are rendered to be "rounded", but ...
5
votes
7answers
643 views

How to draw a Circle in 3D on a sphere

The Circle function is strictly a 2D Graphics object, so that we cannot directly combine a ...
3
votes
0answers
69 views

Problem drawing a GeoPath polygon with GeoGraphics

I want to draw some polygons bounded with various geographic coordinates. For example, here is the code to draw a triangle between New York, Cape Town and Beijing. ...
3
votes
1answer
56 views

LineScaledCoordinate problem for exact coordinates

Edit: Confirmed bug. CASE:2326540. Still the case in V 10.1. Solution: Wait and use N meanwhile. I've faced this problem ...
9
votes
3answers
233 views

Problem with CurrentValue[“MouseOver”] when graphics are wrapped with Deploy

Bug reproduced in: V 9.0.1 - 10.1 Please take a look at following toy example: ...
9
votes
2answers
654 views

How to create these famous surfaces in topology with the desired color effects?

It was said such real objects of famous topological surfaces were plotted by the cooperation between mathematician Richard Palais and artist Luc Benard, and published as the cover page of Science ...
0
votes
2answers
77 views

Combine two functions in mathematica to get one image with two elements

I am trying combine this two functions into one piece in grid. ...
7
votes
1answer
238 views

Preventing cell height adjustment when rotating 3D graphics

I have a large dataset of scattered x,y,z coordinates. I am trying to use ListPointPlot3D to identify outliers in 3D. This involves generating a plot and then ...
0
votes
1answer
150 views

Performance Issue When Using Manipulate

Any help would be appreciated! I've been attempting to manipulate the graphics for time t. We need to have Di set to 11.2, however when it is set to any value greater than .1, we see a great deal of ...
8
votes
2answers
167 views

How to make a ArrayPlot/MatrixPlot in polar coordinates?

in fact, I want to plot a image like: Fig1 the picture above is from a paper Zhou K.-J. et al. 2014 about ion up-flow of ionosphere in MATLAB there is a specialized function pcolor which could ...
5
votes
2answers
133 views

How to make a world map with a coloured ocean and transparent land surface?

I'd like to make a world map with a blue coloured ocean and transparent land surface (to be used later as an overlay). With: ...
12
votes
3answers
1k views

Finding a Concave Hull

I have a 3d clustered data: Is there any other way to get concavehull of 3D data points?
0
votes
1answer
93 views

Building a 1 page “Scorecard” in mathematica [closed]

I'd like to be able to generate an 11 x 8.5 "scorecard" for various data projects I am working on. Traditionally, I'd import all my data into Excel, put the data into worksheets, and then have a ...
6
votes
2answers
389 views

Don't understand why Mathematica is complaining about my Graph expression; how can I fix it?

The Tube in Arrow problem is fixed in version 10. Note that in version 10 Graph3D must be ...
0
votes
1answer
53 views

How do I apply a conditional append rule to plot randomly chosen points?

I'm working on an attempt at forming a sort of "Mandelbrot" set using Newton's method and randomly chosen points. Effectively I need to define a loop for Newton's method to determine whether my points ...
1
vote
1answer
139 views

Combining Mandelbrot and Monte Carlo

I'm trying to combine plotting a Mandelbrot set with Monte Carlo randomization to plot an equation using random points for complex number z, for the function $z^3-2z+2=0$. Below is the code I have ...
0
votes
1answer
54 views

cross point of intersecting lines [closed]

What is the easiest way to find the crossing point of two intersecting lines passing lets say through points line1 = {p1,p2}, line2 = {p3,p4}?
1
vote
1answer
93 views

Separate output screen; clearing (cleaning) output screen

Is there a way to split the screen so that the code is on top visible, and execution of code look at the bottom? Is there any way to clean the screen from previous runs, so that the result of ...
3
votes
0answers
25 views

EventHandler click event in Graphics[ ] object does not work properly after using Deploy [duplicate]

There is a problem clicking layered Graphics objects after using Deploy. For example, the code below works as intended with the Disk 'on top of' the Line. Click either object anywhere and EventHandler ...
3
votes
2answers
116 views

Draw and Quantity

I'd like to use Quantity in my graphics, but I can't figure out how to do it even for a very simple Circle. ...
3
votes
1answer
71 views

White Lines in Contour Plot and 3D Plot

This is a follow up question to the original question here (has a solution). I am plotting another different total potentials and for this particular case the repulsive potential is a rectangle (open ...
11
votes
1answer
136 views

Incorrect use of Scaled causes crash

Bug introduced in 8.0 and fixed in 10.1.0 While playing with Scaled, I made a syntax error which caused a crash instead of an error message ... Do you get the ...
9
votes
1answer
162 views

Raster to Image conversion problem

Update: NOT fixed in v 10.1 (Mar2015) (10.1 behaviour is the same that with 10.0.2) There are 3 ways to convert a Raster into an Image : only 1 works for me with version 10.0.1,10.0.2,10.1.0 , and ...
0
votes
1answer
49 views

Coloring circles based on radius

I have a list of ellipses with x and centroid, orientation, and major diameter and minor diameter. I currently have them overlaid on an image in red but what I would like is to be able to colour them ...
8
votes
2answers
242 views

Graphics3D not rendering Ball as a filled object

Bug introduced in 10.0.0, persists though 10.1 Mathematica V10 introduced the built-in function Ball. The documentation page, ...
11
votes
2answers
186 views

Weird behaviour when using Scale, Rotate in Graphics

bug persisting through 10.1 (windows) (Edited to simplify drawing) I have a drawing of two tangent circles: ...
7
votes
0answers
123 views

More Ticks::ticks errors in AbsoluteOptions in v10

Bug introduced in 10.0.0 . Bug remains as of 10.1 While the specific bug affecting Plot described in AbsoluteOptions prints error messages in V10 has been fixed ...
1
vote
1answer
72 views

Changing the width of BarLegend

Bug exists in 10.0.2 Is it possible to change the aspect ratio of the BarLegend in Mathematica? The option LegendMarkerSize, ...
1
vote
2answers
50 views

Label point on plot with image instead of text [closed]

I can use this code to label my points with text. ...
2
votes
3answers
133 views

How can I get from a list of characters representing a permutation to graphics showing the cycles?

I am trying to graphically represent cycles in various permutations of the alphabet, and have a question in two parts. I have ...
1
vote
2answers
55 views

Grid versus GraphicsGrid use cases?

It seems that both Grid and GraphicsGrid can display graphics. Following the documentation here ...
1
vote
1answer
33 views

Calculate the partial vapor pressures of a variable at xB = 0.75 based on the interpolation functions of the data

I'm having troubles in solving an exercise for an assignment in my Chemistry course. Talking about interpolations, I've already have a graph but I need to:(c) Calculate the partial vapor pressures of ...