MetaPost uses a language based on that of Metafont to produce precise technical illustrations. Its output is either scalable PostScript or SVG or bitmaps PNG, rather than the bitmaps Metafont creates. This tag is compatible with {diagrams}.

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101
votes
9answers
10k views

Simulating hand-drawn lines

I am working on a project that will have some vector graphics, perhaps using TikZ (or a similar package). All of the graphics consists of lines, in shades of gray. However, the lines from TikZ appear ...
88
votes
3answers
6k views

Fundamental differences : PSTricks, TikZ/PGF and others

OK, since this is a pretty vague and subjective question. I need to set up some borders around the discussion that I intend to benefit from. But before anything, I certainly do NOT want to excite the ...
65
votes
6answers
3k views

Curve through a sequence of points with Metapost and TikZ

This question led to a new package: hobby I found Metapost best for drawing complex smooth curves (i.e., Bezier, splines), since you do not have to directly specify Bezier control points. ...
52
votes
8answers
3k views

How to automatically draw tree diagram of prime factorization with LaTeX?

I want to have a simple interface to automatically draw tree diagrams of prime factorization. For example, by invoking the following code, \PrimeTree{36} \PrimeTree{90} \PrimeTree{112} ...
46
votes
13answers
3k views

What is the simplest way to draw this triangle exactly?

I want to see how we can exactly construct the following diagram as simple as possible. It means that the manual calculation should be avoided. Note that the angle marks attached to angles ...
41
votes
12answers
4k views

Drawing a Reuleaux Triangle

A Reuleaux triangle is a shape of constant width sort of like a rounded equilateral triangle. (Reuleaux triangle - Wikipedia, the free encyclopedia) It can be formed by the intersection of three ...
40
votes
9answers
3k views

The Spiral of Roots in TikZ

How can one create a spiral of roots as shown in the diagram below: where one can use a command to draw more parts to the spiral. For example, a command like \sqrtspiral{1}, \sqrtspiral{2}, ...
40
votes
8answers
7k views

Is anybody using TeX for business reporting?

Would TeX (LaTeX, ConTeXt, etc) be a good solution for PDF business reports that require dynamically generated graphs and tables? I need to create financial reports that must look top-notch in their ...
35
votes
3answers
2k views

What is Metapost/Metafont and how can I get started using it?

Inspired by Why Metapost discrimination?, I'd like to come to know Metapost far better than I do now. All I really know is that Metapost is a language for describing graphics, and Metafont is used ...
31
votes
6answers
2k views

How to make the length of a car moving on a roller coaster track remain unchanged?

For any arbitrary parametric smooth curve, how can I make the length of a car remain unchanged? \documentclass[pstricks,border=12pt]{standalone} \usepackage{pst-plot,pst-node} \pstVerb { ...
27
votes
3answers
4k views

Create a symbol font from SVG symbols

Is it possible to create an own scalable font from a set of symbols (~700), all in SVG format. All of them are symbols (like Zapf Dingbats), so there would be no need for special settings like ...
27
votes
2answers
3k views

Milestone graphic in TikZ

This question led to a new project for a TikZ based solution: timeline The author of the original artwork has posted his METAPOST based library: blueprint How could I implement a ...
26
votes
2answers
831 views

Chaotic billiard with TikZ

I'm looking for a TikZ library that could help me to represent different shapes of chaotic billiards. Any idea?
26
votes
3answers
2k views

Why does anyone prefer Metapost?

TikZ (together with its PGF backend) is the most widely used picture drawing tool by regulars here, having more than 50x as many questions as for Metapost, alongside a wealth of documentation and user ...
25
votes
3answers
872 views

How do I make a superellipse node shape in tikz?

A superellipse is a kind of closed curve which can be used as a "intermediate" shape between ellipse and rectangle. A parameter can control its "roundness". I find it a pleasant alternative to the ...
24
votes
1answer
6k views

Package for typesetting Feynman diagrams (efficiency of `feynmp` and `tikz`)

Is there any good package for typesetting lots of Feynman diagrams? My question arise because Feynmp: Circle with three vertices lead me take a look at the documentation for the feynmf/feynmp ...
23
votes
1answer
1k views

More elegant way to achieve this same camera perspective projection model?

I just finished a camera perspective projection model using TikZ. Although, while I'm pretty satisfied with the result, it took me a lot of time to do it. It's easy to see from the code below that I'm ...
21
votes
5answers
494 views

Recreate the sphere in TeX.SX logo

I'm trying to recreate this But looking in this Meta question the only code provided doesn't give that output %!TEX TS-program = xelatex \documentclass{minimal} \usepackage{pst-solides3d} ...
20
votes
6answers
1k views

Generating Random arrows in tikz

I would like to draw this figure : Hence, I resort to TikZ. But, it seems to be very difficult drawing arrows precisely in TikZ with the precise locations (x,y). I have achieved this: Here is the ...
20
votes
3answers
795 views

Automatically generate graphics which shows light diffusion on a rough surface

I just want to make an image like this (using tikz or pstricks) of light reflexion and diffusion: What I am interested in is, how this can be done (semi)-automatically via tikz or pstricks: ...
19
votes
8answers
637 views

Compute and draw a convex hull

How can I use TikZ (+ LuaTeX), PSTricks, MetaPost, Asymptote, etc. to draw the convex hull of a set of points specified in no particular order? Here's an example where the convex hull was computed by ...
16
votes
4answers
486 views

How to draw random simple closed smooth curves but with the same perimeter?

I want to draw some random simple smooth closed curves. Each smooth curve must have the same perimeter but different area. See the following figure to illustrate what I meant clearly. Each smooth ...
15
votes
4answers
2k views

A good METAPOST alternative for plotting 3d surfaces

I find METAPOST to be a wonderful software to create 2d charts and figures. Can you name me a few good alternatives to METAPOST for drawing 3d surfaces? The crucial feature I'm looking for is the ...
13
votes
2answers
744 views

How to draw spherical triangles?

Does anyone know how to draw spherical arcs and spherical triangles using LaTeX?
13
votes
1answer
3k views

pgf/tikz vs metapost

Can the experts here comment on the pros and cons of these two languages? I have been using metapost for a long time and I was wondering if I should learn pgf/tikz also. How does both languages ...
13
votes
0answers
1k views

Industrial schematics [closed]

I'm investigating if it is possible to generate electrical schematics for industrial machinery with the LaTeX ecosystem. They are quite different from electronic circuits because are developed ...
12
votes
3answers
2k views

Graphing sine function in MetaPost

I'm trying to reconstruct this picture in MetaPost: So far came up with this: draw (-1cm,0)--(3cm,0); draw (0,1cm)--(0,-1cm); draw fullcircle scaled 1.8cm; label(btex $y$ etex,(0,1.2cm)); ...
12
votes
2answers
289 views

Is there another better way to have a region with gradient opacity?

My objective is to get a region with gradient opacity. In the following MWE, the region is a quarter of a disk on the top a bird. I made the gradient opacity by partitioning the sector into 45 ...
11
votes
5answers
2k views

How one can draw 405 degree angle in learning material?

I would like to know how one can draw teaching material of trigonometry in LaTeX? Namely, I was looking how to draw 405 degree angle i.e. unit circle, a line segment to the circumference and a spiral ...
11
votes
4answers
792 views

Plot the cusp catastrophe surface

I'm trying to draw (plot) the Cusp catastrophe surface into latex using any software logic. I am completely stuck because I'm definitely not a mathematician. The surface has the potential: V(x) = ...
11
votes
1answer
395 views

(ConTeXt MkIV) Text in PiechartMP

So I need to include some pie charts in my document. As I'm using Metapost for all graphics I tried using the PiechartMP Metapost package. But for some strange reason no text shows up, just a very ...
11
votes
1answer
124 views

Inline purified PostScript (MPS)

I just learned how to inline PDF code using the \pdfliteral command and that purified Encapsulated PostScript generated by METAPOST or purifyeps can be converted to PDF code by pdfLaTeX. However, I ...
11
votes
1answer
184 views

Union of Paths in MetaPost

I'd like to compute the union of a collection of outlines in MetaPost. I'm aware of the buildcycle macro (in combination with cutbefore and cutafter). However, that macro is not very useful because I ...
10
votes
6answers
1k views

How to preview images generated by MetaPost?

I use the old MetaPost program to create graphics. My problem is that, to see the result of my MetaPost figures, I have to compile first the .mp file and then the .tex file where I've inserted them. ...
10
votes
2answers
378 views

How to let text flow around irregular-shaped graphics in ConTeXt?

I have some illustrations which I need to scan and place within a document. The illustrations come in various shapes, with no straight edges, and are bound by lots empty white space, e.g.: ...
10
votes
1answer
301 views

What programmable drawing tool(s) can solve how to fill a region with a path

I've recently become interested in computer numerical control (CNC), and have been considering using METAPOST in a CNC work-flow (using pstoedit to convert .pdf (or .mp) files to G-Code). The extant ...
10
votes
1answer
239 views

How to debug METAPOST inlined in ConTeXt? (Or “message” primitive and “loggingall;” in inlined METAPOST)

I have a METAPOST program that works fine with mpost, but fails when I try to run it inline in ConTeXt. In order to debug it, I would like to see the usual METAPOST logging and/or to use the METAPOST ...
10
votes
1answer
2k views

Embedding MetaPost in LaTeX document

I have problem using the emp package in TeXlive 2010. When I try to use it with empcmds it prints contents to output. If I use emp it parser fails after first character. Also - how should I import ...
10
votes
1answer
159 views

Is this a bug in the pfb file or a bug in metapost's “glyph”?

I've only recently started playing with metapost's "glyph". I've discovered (MWE below) an anomaly with the paths in serifs for the cm font set from these experiments. Starting point: it seems that ...
9
votes
8answers
820 views

Drawing minimal xy axis

can anybody help me to draw this minimal example of an xy axis? I couldn't find anything similar on the forum. The axis should be black but the grid behind it a shade o gray, dashed. It would be ...
9
votes
3answers
259 views

Why two intersected paths can't buildcycle in MetaPost?

Suppose that I have two path: beginfig(0) u:=10pt; vardef randomcirc(expr O, r, w) = save p,i; pair p; numeric i; p=O+right*r; p for i=1 upto 9: .. (p rotatedaround(O, ...
9
votes
2answers
676 views

OpenType fonts for Metapost Labels

Is it possible to use OpenType fonts in MetaPost labels? I use MiKTeX 2.9. I hoped something like mpost --tex=dvilualatex <myfile>.mp might work, but no luck. Suggestions? I tried this, but ...
9
votes
2answers
611 views

automatic resizing of edges with long labels

I would like to know if there is a way to automatically resize edges when they have long labels. For example, the following code \documentclass[10pt]{article} \usepackage{tikz} ...
9
votes
2answers
176 views

Defining a point on a path by direction of another path

Is it possible to define a point when I have two paths such as: beginfig(1); u := 1cm; path p[]; p0 := (1u,3u)--(2u,2u); p1 := (2u,0)--(3u,2u); for i=p0,p1: draw i; endfor; endfig; end so ...
9
votes
1answer
665 views

Calculate font metrics for glyphs inside MetaPost figures

I'm looking for a way to calculate the ascent and descent of a character glyph after it has been scaled and then drawn into a MetaPost figure. With TikZ, I can do this fairly easily by performing ...
8
votes
1answer
434 views

How to fix this fancy heading in ConTeXT

I don't know if this is a duplicate or not but we can close it if it is. I have been trying to learn ConTeXt. I specially love the heading and page number formattings that I see in the documentations ...
8
votes
2answers
245 views

LuaLaTeX and MetaPost

Is there a LuaLaTeX equivalent of \startMPinclusions input mpfile; \stopMPincusions in ConTeXt? That is, if I have \documentclass{article} \usepackage{luamplib} \begin{document} ...
8
votes
3answers
568 views

MetaPost: How to fill cycle path with slanted lines?

Suppose I have build a cycle path with bulidcycle: path pa[]; pa.0:=(-6u,0){dir 90} .. (0,8u){dir 0}; pa.01:=pa.0 reflectedabout(origin, (0,1)); pa.1:=(-6u,0){dir -90} .. (0,-3u){dir 0}; pa.11:=pa.1 ...
8
votes
2answers
313 views

How to create a wavy lines with MetaPost?

I am looking for a macro or whatever code that can draw a wavy curves with MetaPost. In other words, I need a wavy/spring version of what follows: beginfig(1); z1 = (0,0); z2 = (3,2); z3 = (6,0); ...
8
votes
2answers
336 views

MetaPost: Adjust colour value (brightness/luminosity)

Background In MetaPost, colours can be lightened or darkened by calling the transparency function. However, this allows other colours to show through, which isn't necessarily desirable all the time. ...