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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!fu-berlin.de!uni-berlin.de!not-for-mail From: ram@zedat.fu-berlin.de (Stefan Ram) Newsgroups: comp.text.tex Subject: Re: [LaTeX][PGF/TikZ] Undefined control sequence error for PGF intersections. Date: 1 Sep 2024 15:13:46 GMT Organization: Stefan Ram Lines: 34 Expires: 1 Jul 2025 11:59:58 GMT Message-ID: References: <10c8b515e70ecda9ad95fc1529ff3b102da812e4.camel@tilde.green> <3e9a663629f7c14eb87d890bc0adf87218a28967.camel@tilde.green> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Trace: news.uni-berlin.de pYq3+l+P/4Z4P7/vIQMBQgyNEIBZDX368S5BiP15MxM420 Cancel-Lock: sha1:09ID1zatgV0gHh01wPan5q/H5Lo= sha256:D/ijFAaOe/LTGW97RfoZj6J6gisZWEgDuSpSN1LuwD0= X-Copyright: (C) Copyright 2024 Stefan Ram. All rights reserved. Distribution through any means other than regular usenet channels is forbidden. It is forbidden to publish this article in the Web, to change URIs of this article into links, and to transfer the body without this notice, but quotations of parts in other Usenet posts are allowed. X-No-Archive: Yes Archive: no X-No-Archive-Readme: "X-No-Archive" is set, because this prevents some services to mirror the article in the web. But the article may be kept on a Usenet archive server with only NNTP access. X-No-Html: yes Content-Language: en-US Bytes: 2919 Annada Behera wrote or quoted: >Don't know whether this is expected behavior or a bug. The TikZ & PGF manual (for Version 3.1.5b) has got this entry "/tikz/intersection/total=" in the "13.3.2 Intersections of Arbitrary Paths" section. It's got this example where the "\foreach \s in {1,...,\t}" is all indented and stuff. |\usetikzlibrary {intersections} |\begin{tikzpicture} | \clip (-2,-2) rectangle (2,2); | \draw [name path=curve 1] (-2,-1) .. controls (8,-1) and (-8,1) .. (2,1); | \draw [name path=curve 2] (-1,-2) .. controls (-1,8) and (1,-8) .. (1,2); | | \fill [name intersections={of=curve 1 and curve 2, name=i, total=\t}] | [red, opacity=0.5, every node/.style={above left, black, opacity=1}] | \foreach \s in {1,...,\t}{(i-\s) circle (2pt) node {\footnotesize\s}}; |\end{tikzpicture} | from "TikZ & PGF" "Manual for Version 3.1.5b". If you drop a semicolon in front of the "\foreach" (right after "opacity=1}]"), it's going to wig out on you with that error message. Well, "\fill" is shorthand for "\path[fill]", and the 411 on "\path" syntax is dropped in "14 Syntax for Path Specifications", which lays it down like this: |\path; . So, there's that semicolon hanging ten, but I'm not stoked on where its implications for the scope of "name intersections" is posted up.