From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.5-pre1 (2020-06-20) on ip-172-31-74-118.ec2.internal X-Spam-Level: X-Spam-Status: No, score=0.8 required=3.0 tests=BAYES_50,FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.5-pre1 X-Received: by 2002:ac8:51c7:: with SMTP id d7mr15692390qtn.302.1613419463840; Mon, 15 Feb 2021 12:04:23 -0800 (PST) X-Received: by 2002:a25:4ce:: with SMTP id 197mr14681230ybe.462.1613419463590; Mon, 15 Feb 2021 12:04:23 -0800 (PST) Path: eternal-september.org!reader02.eternal-september.org!news.mixmin.net!proxad.net!feeder1-2.proxad.net!209.85.160.216.MISMATCH!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Mon, 15 Feb 2021 12:04:23 -0800 (PST) In-Reply-To: <26dad255-5bb3-4f56-98ed-0a254e9a18a4@googlegroups.com> Complaints-To: groups-abuse@google.com Injection-Info: google-groups.googlegroups.com; posting-host=2a02:1205:c6b6:66d0:cd26:1812:f7f:d9d9; posting-account=yigbdgoAAADVHsGu9ED114VFhJqRJ_1O NNTP-Posting-Host: 2a02:1205:c6b6:66d0:cd26:1812:f7f:d9d9 References: <2c9bc24b-3182-4045-851e-e12b7a5c4513@googlegroups.com> <26dad255-5bb3-4f56-98ed-0a254e9a18a4@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <6fd80b94-fc5c-43f5-b0ba-aecd2a6ddbd4n@googlegroups.com> Subject: Re: Rotations in 3D , Euler angles & Quaternions From: Maurice Calvert Injection-Date: Mon, 15 Feb 2021 20:04:23 +0000 Content-Type: text/plain; charset="UTF-8" Xref: reader02.eternal-september.org comp.lang.ada:61356 List-Id: On Tuesday, 12 November 2019 at 18:06:50 UTC+1, Stephen Leake wrote: > On Monday, November 11, 2019 at 2:52:27 PM UTC-8, Alain De Vos wrote: > > Are there Ada packages,types available you can use to juggle, compose rotations,manipulate euler angels, quaternions,convert ? > > Or does a user must construct these objects using complex numbers,trigonometric functions, matrix multiplication ? > I wrote just such a set of packages when I was doing robotics as NASA. It's not on the web anywhere, but I can make it available; no warranties! Is there any possibility you could publish the sources please? Thanks >;-)