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From: | Urs Liska |
Subject: | Re: What to do wanting a 4th order Bézier? |
Date: | Mon, 19 Sep 2016 22:49:56 +0200 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 |
Am 19.09.2016 um 20:50 schrieb David Kastrup: > Urs Liska <address@hidden> writes: > > [...] > > You are working with slopes here. Don't. They don't support vertical > lines. > Yes, that's what I realized ... > Please take a look at the recently added functions > > ly:length ly:angle ly:directed > > They will usually make it easy to do the operations you want. In > particular ly:directed can also use a vector as a direction without ever > calculating its angle. Thanks! From looking at the docs it seems they'll do exactly what I want (and had partially implemented in Scheme). Can't wait to return to my LilyPond computer :-) -- Urs Liska www.openlilylib.org
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