Questions tagged [shading]

The shading operation consists of letting a background picture be rendered with different gradients of colors or light/dark. The {shading} tag is related to questions in which a shade operation is required.

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50
votes
4answers
18k views

How to draw a shaded sphere?

Andrew Stacey pointed out that the Rosetta Code entry "Draw a Sphere" doesn't have a TikZ entry yet. Is there a way to draw a "properly" shaded sphere using TikZ? The ball shading would seem an ...
36
votes
4answers
4k views

How to shade text in different colors?

I need a single character in two colors. Figuring I could use the shadings library of TikZ, I followed the manual (section 23.4.1, the TikZ example): \documentclass{article} \usepackage{tikz} \...
36
votes
2answers
5k views

Path following color gradient in TikZ

How can I get a path following color gradient in TikZ? Here a quick example of the idea. On the left the result I'm looking for and on the right an example of a non path following gradient applied on ...
33
votes
4answers
2k views

How to pimp my tube?

How can I pimp my tube? \documentclass{scrartcl} % needs logicpuzzle bundle v1.8 % http://mirrors.ctan.org/graphics/pgf/contrib/logicpuzzle/logicpuzzle.sty % or replace logicpuzzle -> battleship \...
32
votes
3answers
5k views

Tikz: Shading a path without any filling

How can I shade a path witout filling? In particular, I wand to draw a curved arrow that starts colored blue and ends colored green, where in between it gradually changes its color. I can't find a way ...
32
votes
4answers
17k views

Tikz: shading region bounded by several curves

I know that my effort below can be improved upon considerably. In particular, there must be a way of shading the region in a single scope, as opposed to subdividing as I have done (thus necessitating ...
30
votes
1answer
8k views

How to create a ball shading and to customize 3D lighting manually?

TikZ shading=ball creates a perfect 3D ball perspective, but it has no option to change the lighting angle, the contrast, radius of light, etc (or I am not aware of). I tried to create a 3D ball by ...
28
votes
4answers
2k views

Can fuzzy borders be added to external pictures programmatically?

In my opinion, external pictures are often more pleasing to the eye on a white background when they have fuzzy rather than "sharp" borders. For instance, compare this to that Adding fuzzy borders is ...
26
votes
3answers
7k views

TikZ: radial shading of a ring

I would like to have a radial shading of a ring, from inner color (red) at inner radius r1 > 0 to outer color (white) at outer radius r2 > r1. But with \filldraw[even odd rule,inner color=red,outer ...
26
votes
1answer
2k views

TikZ: drawing 3 intersecting circles and shading

How can I draw the three intersection circles/ellipse with that shading paradigm (not necessarily the same colors) effectively? It appears that the original image doesn't have overlapping colors ...
25
votes
4answers
6k views

Is there a way to tune ball shading in TikZ ?

I want to create a Go stone in TikZ. "ball color" option in node style is almost OK. Here is my result: But I don't like the stones, they are "too balish". The "reflection" should be less spot-on ...
23
votes
2answers
2k views

How do I force tikz to use CMYK everywhere (also in shadings)?

I'm doing a poster with the baposter which uses tikz and at some point realized that some colors that should be identical are not. It turns out that tikz apparently resorts to RGB color space as soon ...
18
votes
2answers
1k views

How to make a longitudinal sine wave shading with pgfplots?

At the moment I use TikZ shadings to show up longitudinal waves in my document like this: The shading is white where the sine is –1 and blue where the sine equals 1. This looks ok, but unfortunately ...
17
votes
2answers
8k views

Set table background hatched and shaded using tikz

I am looking for a convenient way to set the background of tabular cells. I'd like to do two things: (1) Set the background shaded in a color (2) Set the background hatched I learned that the TikZ ...
15
votes
1answer
3k views

TikZ, 3d library and circle fading

I'm using the 3d library to put a circle on the z=0 plane, and other things. I'd like to fade this circle radially, but the result isn't as I would expect because the fading is not proportional to the ...
15
votes
2answers
2k views

TikZ: shade also the border of a node

I would like to shade a node and the border of the node. The following code works but I don't like it very much that I have to draw something after the node on the background layer. I would prefer a ...
14
votes
2answers
1k views

TikZ shadings and printing incompatibility

I would like to use some effects provided by the shadings library of tikz. More specifically, I am trying to use the ball and radial shadings (tikz 2.10 manual, p. 412-). The resulting pdf looks ok ...
13
votes
3answers
2k views

Shading an area bounded by curved paths between nodes

I am drawing a graph of sorts in TikZ, and I have several connected nodes in a cycle, and I would like to shade the area bounded by paths between those nodes. My problem is that the shading is not ...
13
votes
3answers
7k views

Cylinder shading with PGF/TikZ

I'm trying to create a cylinder with 3D shading effects. The cylinders in the picture are standing vertically, and have a body and an end. I'd like the body to be shaded so that it varies uniformly ...
13
votes
2answers
447 views

TikZ/PGF - switching off shading

Is there a way to switch off shading for one node, in a scope where the nodes are shaded? In other words, I want something like shading=none, but did not find it. Motivation: \documentclass{article} \...
13
votes
1answer
589 views

Generate coloured fancy Delaunay patterns in Tikz

Recently in the world of the Internet this very fancy coloured pattern appeared: I was thinking if it is possible to generate something similar with TikZ. I saw this first example here in Drawing ...
12
votes
3answers
26k views

How to change the background color of \framebox?

I'm trying to change a picture drawn using the plain picture environment and I need to change the background color of certain \framebox to lightgrey. Is it possible? I know that there are more ...
12
votes
1answer
2k views

How to shade mindmap concepts?

I tried to add a shade on my mindmap's concepts with \begin{tikzpicture}[mindmap, text=white, every concept/.append style={circle,shading=ball, ball color=black!20!white!20}] but the problem is ...
12
votes
1answer
444 views

How to do logarithmic shading with TikZ?

Using TikZ, the shade option is very convenient to produce color shadings, but it produces only linear color gradients. Is it possible to obtain other transitions, and especially a logarithmic one? ...
12
votes
1answer
856 views

tikz-cd: Shade faces of commutative cube

I would like to "shade" the faces of a commutative cube drawn using tikz-cd. \documentclass{article} \usepackage{tikz} \usepackage{tikz-cd} \begin{document} \begin{tikzcd} & P \ar{dl}[swap, ...
12
votes
2answers
1k views

3D font in LaTeX

This is an unusual question regarding rendering of a font with a specific 3D-esque style in LaTeX, XeLaTex, or any other TeX flavor. I was looking at some fonts the other day and I came across one of ...
11
votes
4answers
4k views

How can I draw these polygons with shaded regions?

I don't know how to draw this by LaTeX.
11
votes
2answers
1k views

Gaussian ellipsoids using tikz

I'm trying to draw illustrations of Gaussian ellipsoids using shaded ellipses. In simple terms what I'm after is a way to have a light shade throughout the outer edge of the ellipse and a darker shade ...
11
votes
3answers
1k views

How can I shade from red to green along a curve?

Let's take the following picture as an example. I want to shade the fan-shaped area from red to green along the curve shown with the arrow in TikZ. How can I do this? Code: \documentclass{standalone}...
11
votes
2answers
1k views

How to create a color wheel shading with other colors?

In the pgf manual one can get a circle with a jet-colormap color-wheel-shading with: \tikz \shade[shading=color wheel] (0,0) circle (1.5); How can I get the same but with another colormap? This '...
11
votes
2answers
3k views

How to add a shadow to a tikz line?

I have the following tikz picture. \documentclass{standalone} \usepackage{tikz} \usepackage{xcolor} \begin{document} \begin{tikzpicture}[ arr/.style={->, blue, very thick}, lbl/.style={...
11
votes
2answers
1k views

How can I draw a curved gradient/fade in tikz?

I would like to draw something like the following diagram: My problem is drawing the grey curved path that fades away. The direction of the fading continually changes so that it is always ...
11
votes
1answer
243 views

Strange border appears with a \fill with inner/outer color options

I'd like to have a radial shaded circle whose outer color is the same as the background, but I didn't manage to do it. If I set outer color=white without a background, a strange border appers (see ...
11
votes
3answers
10k views

Shading areas in TikZ

It's an easy TikZ question for people who use it. I tried reading the TikZ manual p. 112 several times but it seems too complicated on the filling part, all the infinity and whatnot... So I currently ...
11
votes
2answers
707 views

Light object / source in PGF / TikZ / PGFplots pictures like in PSTricks

I came across the PSTricks animation located at http://melusine.eu.org/syracuse/pstricks/pst-solides3d/animations/a43/ http://i.stack.imgur.com/NlqHZ.gif and noticed that it uses a light object / ...
10
votes
4answers
5k views

How do I shade an area in pgfplots?

How do I create a shaded area in a polygon created by plot intersections? In this case, up to the solid line without circle marks. \documentclass{article} \usepackage{pgfplots} \pgfplotsset{compat=...
10
votes
3answers
545 views

How to learn to create General (Functional) Shadings wifth pgf?

In the section called General (Functional) Shadings in the PGF/TikZ manual, there is an "explanation" of the command to create a general functional shading. The author of this section assumes that ...
10
votes
2answers
1k views

Is lualatex supposed to be a superset of pdflatex? (regarding production of PDF)

In other words, is it a bug if lualatex cannot compile a document that pdflatex can? Based on the answers to this question How to expand TeX's "main memory size"? (pgfplots memory ...
10
votes
1answer
870 views

Shading over a single page

I want to generate shading color in background for a single page. How can I implement this?
10
votes
1answer
564 views

How do I shade various regions defined by a hobby curve?

Use the following code, I am able to generate the curve easily. \documentclass{article} \usepackage{pgf,tikz} \usetikzlibrary{arrows} \usetikzlibrary{hobby} \begin{document} \begin{tikzpicture}[...
10
votes
1answer
831 views

“Countryball” comic with TikZ. How to shade a 3D object with different stripes on it?

Countryball (if I'm not mistaken originally Polandball) is a web comic versing on crude political jokes, some of which I find hilarious. In some sense, the idea is analogous to the spherical cow ...
10
votes
1answer
2k views

Shaded continuous across new enumerate environment

I'm trying to write up solutions where I include the original problem text, in a light gray shaded box. I had been creating the shading with the 'framed' package shaded environment, but some of the ...
9
votes
1answer
3k views

Transparent shade using TikZ

I wonder whether it is possible to create a transparent shading effect (like the one below) without an exact specification of the fill color. This solution is good until I have to change the ...
9
votes
1answer
210 views

How to accomplish tangential shading (i.e. not radial shading)?

I want to produce an open ring with a color gradient that goes from white (or faint red) to red and then back to white (or faint red) in the angular/tangential direction. In the image attached below, ...
9
votes
1answer
852 views

Drawing balls in a rectangle

I am trying to replicate the following figure here and this is what I have so far \documentclass[12pt,a4paper]{standalone} \usepackage{tikz,tkz-euclide,pgfplots} \usetkzobj{all} \newcommand{\ball}[...
9
votes
1answer
869 views

How to use ball shading on non-circle shapes?

If using ball shading on non-circle elements, it will well apply the shading effect, but it will use the default blue color. How to use ball shading with the element color. \node[text width=3cm,fill=...
8
votes
3answers
858 views

how to shade a region bounded by straight lines and arcs in tikz

I have drawn a figure using tikz from Geobra. But I could not shade the region neeeded. \documentclass[twosides]{report} \usepackage{amsmath, amssymb, latexsym, amscd, amsthm} \usepackage[utf8]{...
8
votes
1answer
1k views

(Kind of) photorealistic radial shading in TikZ

Is there a way to define more than one "spot" of light for one shading? Two (default white highlight and a big pink reflected light spot) were good and three were just great. I'm using \shadedraw[...
8
votes
2answers
328 views

How to shade a polygon with curved lines in tikz?

I am trying to shade a polygon with red curved lines as shown in the MWE. I would like to shade the curved polygon enclosed by the points (A,B,C,D), i.e., the polygon ABCD. MWE \documentclass{...
8
votes
2answers
2k views

Quoting styles, technical an appreciation questions

I know there has been some questions about the quote style, I loved the one with the big quote marks. What I'm trying to achieve it's a little simpler. Right now I have something like this: \...