From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/71633 Path: news.gmane.org!not-for-mail From: Peter Rolf Newsgroups: gmane.comp.tex.context Subject: Re: metapost not adding picture Date: Sun, 09 Oct 2011 22:35:02 +0200 Message-ID: <4E920576.20209@gmx.net> References: <7DB87D17-D0EF-4C28-94A9-F9595B89F603@uva.nl> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1318192519 7688 80.91.229.12 (9 Oct 2011 20:35:19 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 9 Oct 2011 20:35:19 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Sun Oct 09 22:35:15 2011 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from balder.ntg.nl ([195.12.62.10]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RD05a-0007hF-Q2 for gctc-ntg-context-518@m.gmane.org; Sun, 09 Oct 2011 22:35:14 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 0C2E7CB009; Sun, 9 Oct 2011 22:35:14 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id imEJpL-rghAg; Sun, 9 Oct 2011 22:35:11 +0200 (CEST) Original-Received: from balder.ntg.nl (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 730D3CB002; Sun, 9 Oct 2011 22:35:11 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 81E0FCB002 for ; Sun, 9 Oct 2011 22:35:10 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id wFzvQlR7i-Qr for ; Sun, 9 Oct 2011 22:34:59 +0200 (CEST) Original-Received: from filter2-ams.mf.surf.net (filter2-ams.mf.surf.net [192.87.102.70]) by balder.ntg.nl (Postfix) with ESMTP id AB784CA680 for ; Sun, 9 Oct 2011 22:34:59 +0200 (CEST) Original-Received: from mailout-de.gmx.net (mailout-de.gmx.net [213.165.64.22]) by filter2-ams.mf.surf.net (8.14.3/8.14.3/Debian-5+lenny1) with SMTP id p99KYwE6016505 for ; Sun, 9 Oct 2011 22:34:59 +0200 Original-Received: (qmail invoked by alias); 09 Oct 2011 20:34:58 -0000 Original-Received: from ip-95-222-36-122.unitymediagroup.de (EHLO [192.168.178.3]) [95.222.36.122] by mail.gmx.net (mp026) with SMTP; 09 Oct 2011 22:34:58 +0200 X-Authenticated: #24293357 X-Provags-ID: V01U2FsdGVkX1/rqBwgebnrGLkN0XtEFy0ldO23VIbsvt+DdJymsT HCqPuSTLB5DCCt User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 In-Reply-To: <7DB87D17-D0EF-4C28-94A9-F9595B89F603@uva.nl> X-Enigmail-Version: 1.3.2 X-Y-GMX-Trusted: 0 X-Bayes-Prob: 0.0001 (Score 0, tokens from: @@RPTN) X-CanIt-Geo: ip=213.165.64.22; country=DE; latitude=51.0000; longitude=9.0000; http://maps.google.com/maps?q=51.0000,9.0000&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 0rFGIyXgj - 1adfa39d6225 - 20111009 X-Scanned-By: CanIt (www . roaringpenguin . com) on 192.87.102.70 X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.12 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: ntg-context-bounces@ntg.nl Errors-To: ntg-context-bounces@ntg.nl Xref: news.gmane.org gmane.comp.tex.context:71633 Archived-At: Am 09.10.2011 22:01, schrieb Meer, H. van der: > I have this question on the implementation of metapost. > The following program ends in an error: > > \startMPpage > picture v; > draw origin--(1cm,1cm); > v = currentpicture; > clearit; > draw (1cm,0)--(0,1cm); > currentpicture := currentpicture + v; use addto currentpicture also v; > \stopMPpage > > The error is: ! Not implemented: (picture)+(picture). > Yet Knuth's metafont book in Chapter 13 tells me, quote: "Pictures can be added or subtracted;" > Is the current metafont implementation lacking this feature? Will it be implemented in the near future? > Just another notation, that's all. Best wishes, Peter ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________