How to use veclen to find rarius of sphere? 8
tikz
Anonymous 1123 Anonymous 1123
8 The `veclen` function only takes two arguments. However, it is possible to define pgf functions that take arbitrarily many arguments. Existing examples include the `max` function, which in its original version also was restricted to two arguments. Using the the definition of `max` I define a function `Veclen` which takes arbitrarily many arguments.
marmot
8 I used `\usetikzlibrary{3dtools}` and tried
Anonymous 1123
How can I get Angle in \tdplotCsDrawLatCircle[]{\r}{{-\Angle}} to draw circle in sphere? 2
tikz
Anonymous 1123 Anonymous 1123
How to get correct dashed line of this picture? 13
tikz
Anonymous 1123 Anonymous 1123
7 As a dirty hack, you could draw the circle two times: once with a solid line and after covering this up, a dashed line on top:
samcarter
7 This saves and reuses paths either inside or outside the triangle. In order to accomplish the latter, an inverted clip is utilized, which borrowed from [stackexchange](https://tex.stackexchange.com/a/59168).
marmot
How can I draw this picture about Volumes of solids? 12
tikz
Anonymous 1123 Anonymous 1123
8 This answer comes in three parts, sorted by increasing complexity. The IMHO "best" solution is at the end. Let us start with a very simpleminded proposal, which only works in the limit of small phi, i.e. the second argument of `\tdplotsetmaincoords{<theta>}{<phi>}` needs to be such that the absolute value of its sine is small. Next, a function `R` is introduced that specifies the radius of the volume as a function of `x`. Then the planes and volume are drawn step by step.
marmot
Where is wrong in this code when I draw the circle passing through three points in 3D? 2
tikz
Anonymous 1123 Anonymous 1123
How to draw a doughnut 6
tikz
samcarter samcarter
15 With the following code, you can create your own doughnut just as you like it.
samcarter
Draw an opaque circle (with some text) on a tikz line. 18
tikz
निरंजन निरंजन
11 The following defines a `circ path` for the `to` syntax. There is most likely a better way to define it, but my Ti*k*Z skills are limited.
Skillmon
9 This is very much based on [Skillmon's nice answer](https://topanswers.xyz/tex?q=680#a755), but has some modifications. Most importantly, if the fraction is very small or very large, i.e. when the circle is very close to either start or end point, there will be no spurious extra lines. The syntax is also a bit shorter. At the technical level, this variation uses the partway modificator (see section **13.5.3 The Syntax of Partway Modifiers** of pgfmanual v3.1.5) to position the circle.
marmot
9 You could fill the node:
CarLaTeX
5 ```
निरंजन
Tikz picture overlaps with text 9
tikz latex3
Girish Girish
8 There are two problems:
marmot
TikZ with Expl3 does not produce intended output 7
tikz latex3
Girish Girish
7 Ti*k*Z/pgf comes with the `parser` module that can be used to address the questions raised in the comments. (There is one thing that I could not make work: spaces. However, perhaps @Skillmon sees this and tells us what to do, and perhaps updates the pgf manual.) Note also that all this is very similar to the `simpler-wick` package except of course that you do not want to use macros like `\c`. If you want to consider using `\c` instead of `<` and `>`, one could use the `simpler-wick`
marmot
Tikzposter with several pages 2
tikz
paulanueno paulanueno
8 ~~The problem with the tikzposter class is, that amongst some other questionable techniques (like nesting tikzpictures), it also wraps the whole document into a `center` environment which makes it nearly impossible to add page breaks. However you can trick the class by placing all additional pages within `\AtEndDocument{...}` which will only be executed once the class already closed its `centre` environment~~ (many thanks to @Ulrike Fischer for pointing out this was nonsense)
samcarter
5 An alternative to `tikzposter` could be `tcbposter` (from `tcolorbox`). You decide poster size inside any document class and can combine several posters inside the same document. A poster is not breakable between pages, but text can flow inside poster blocks.
Ignasi
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