26 questions linked to/from Character edge finding
4k views

### Generate a Random Polygon

Does some package exist with a function that takes a parameter $n$ and generates a random 2D $n$-sided simple polygon (convex or non-convex), possibly within a certain bounding box? It does not ...
9k views

### Fastest way to calculate matrix of pairwise distances

It is a very common problem that given a distance function $d(p_1,p_2)$ and a set of points pts, we need to construct a matrix ...
9k views

### How to make the digits of π go around in a spiral like this?

Here is a start. MapIndexed[Text[Reverse[First[RealDigits[Pi,10,252]]][[Tr@#2]],#]&, Table[{t Cos[t],t Sin[t]},{t,0,16Pi,0.2}]]//Graphics
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### Plot a alphabetic character in 2D

I was wondering how I can graphically plot an alphabetic character, for example D, in 2 dimension, using mathematica? I was using ListPlot with specific x and y values but it's not looking anything ...
2k views

### rotating 3d text

Is it possible to create a 3D rotating text like this: animation here. Here is my try so far: ...
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### Why this kind of edge detect code gives different outputs with Mathematica 9.0, 10.4 and 11.2 [closed]

I have often noticed that examples of the past when done in newer versions of Mathematica generate inconsistent results. A prime example related to the following post (Character edge finding): ...
737 views

### Find path through a set of Coordinates

I have a set of coordinates that I need a robot to draw, thus it must take the shortest path along these coordinates. Plotting them looks like this: ...
919 views

### Distances between points in periodic cube

Question How can one implement more efficiently/elegantly/memory savvily the following function which returns a matrix of all Euclidian distances between points in 3D within a cube of width ...
13k views

### Generating visually pleasing circle packs

EDIT: (my conclusion and thank you note) I want to thank you all guys for this unexpected intellectual and artistic journey. Hope you had fun and enjoyed it the same as I did. I would like to ...
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### How can I adaptively simplify a curved shape?

For the purposes of creating a publication-quality plot marker I wish to convert a font glyph into a simplified Polygon where points are taken adaptively according ...
18k 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): ...
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### How to extrude a 3D image from a binary 2D image

I'm trying to extrude a nice 3D form from the 2D binary image below using the code posted, but I haven't had any luck in figuring out the error that's keeping ...
495 views

### Embedding text on an opaque plane in 3D [duplicate]

A simplified specification of what I am trying to accomplish would be to construct a cube each face with a different color and each face having a text label that can be seen only when viewing from the ...