- Inkscape Devel - Inkscape Mailman

Easying slur fine-tuning engraving in Lilypond files through Inkscape
by Joan Sanz 08 Apr '16

08 Apr '16

(PRELIMINARY NOTE: This is a feature request. I'm writing to this mailing list because it seems the tracker mailing list has been inactive since 2007. If I'm doing the wrong thing, please tell me how to proceed. Please forgive me if I'm causing any inconveniences and consider providing some guidance on to which wishlist should I address this request. Thank you very much.) * * * Hi everybody. First of all, excuse my English. It is not my mother tongue. Please also bear in mind that I'm not an expert Inkscape user and the terms I'll be using to describe my request can be ambiguous or even wrong (I hope not, though. ;)) I've been using Lilypond music engraving software (lilypond.org) for a while and I've been experiencing the pain of having to manually adjust slurs (actually drawn as bezier curves) when I want to get publishing-quality scores. The most straightforward way to achieve this is using \shapeII function in one of the following forms: \shapeII #'(()(polar 50 0.35)(polar 30 0.25)()) or \shapeII #'(()(absolute-polar 50 0.35)(absolute-polar 30 0.25)()) (Cf. the document by the creator of the function: http://lilypond-stuff.1065243.n5.nabble.com/file/n5705621/shapeII-examples.… , paragraph 4, "polar coordinates" info. Cf. also https://lists.gnu.org/archive/html/lilypond-user/2013-11/msg00823.html for more information.) The point of my request is making Inkscape assist slur editing/fine-tuning in a double way: first, taking advantage of the direct graphical editing capabilities it offers, and secondly, providing the relevant information generated in such a form the Lilypond function can understand ---the more direct, the better. The intended workflow would be: 1) Lilypond compiles the text file and outputs a pdf file. 2) Inkscape imports the generated pdf. 3) Slurs are manually edited. 4) For each slur, mathematical/Lilypond-understandable info is shown/generated (possibly by tweaking some Inkscape extension in python?) so that 5a) it can be at least manually typed into the Lilypond file, thus saving endless, painful recompiling trial-and-error attempts to get the satisfactory slur. Or, ideally, 5b) the gathered/computed info is formatted (by the extension?) and shown (directly on the svg file, on an auxiliary window?) so that it can be copied-pasted onto the lilypond file, or, even better, 5c) piped to a script that modifies the original Lilypond text file by inserting the data properly. In this case, I don't know whether the fact that the requested feature can be written in python and that the Lilypond file can be manipulated using the Frescobaldi editor (frescobaldi.org), which is written in python and allows easy extension of its features through python snippets, could automate the process even more. :) Back to the \shapeII function, the relevant stuff for the present discussion are (absolute-polar 50 0.35) and (absolute-polar 30 0.25) parentheses. Graphically speaking, this pair of parentheses contain the mathematical description of the handles used to control bezier curves drawing in Inkscape. The absolute-polar notation that shapeII understands fits *almost* directly to the data about the angles of the handle that Inkscape shows at the bottom of the main window when you're moving it (That means Inkscape somehow already provides this data, the problem is how to made it available for the requested feature). The only thing that should be tweaked when doing the math is modifying the value Inkscape gives for the *right* handle. For this value to be valid in the lilypond shapeII function it has to be subtracted to 180: valid right handle angle value = 180 - Inkscape value Secondly, the info at the bottom of the main window also tells us about the length of the moving handle. The second numerical value inside the parentheses is the ratio between the length of the handle and the distance between the distal nodes: \shapeII #'(()(absolute-polar 50 A)(absolute-polar 30 B)()) where A = left handle length / distal length B = right handle length / distal length That means getting the info about the length of the handles (the same as with angles) *and* calculating the distance between two points, i.e., the first and last nodes of the bezier curve. I'm aware this can be manually done with the measuring tool Inkscape provides, but here an automatic calculation of the distance is needed. As I said at the beginning, I'm not an expert at all, but I think that this request can be easily implemented by a python programmer (perhaps based on Inkscape-0.91/share/extensions/measure.py file?) and it would mean a *huge* improvement for the Lilypond user's community. Thanks for your attention, Joan.

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Paint-order attribute needs to be put in stroke properties dialogue
by C R 08 Apr '16

08 Apr '16

We need a checkbox for it in the stroke properties tab. Currently I think it's a compile-time flag, which means it's unusable for most users. I'd love to highlight this feature in the Inkscape video at LGM. Can someone add this? For reference as to what it does, look here: https://plus.google.com/+inkscape/posts/QBxB6CDhNzZ Thanks. :) -C

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Hackfest agenda
by Alex Valavanis 08 Apr '16

08 Apr '16

[FAO Hackfest attendees!] Hi All, Looking forward to welcoming you to Leeds next week. Can I suggest that everyone (optionally!) prepares a short 10-minute presentation to summarise: * Who you are! * Your involvement with Inkscape * Your "hacking goals" for the Hackfest (if you have any specific ideas) * Anything you'd like to learn more about or discuss with the other developers There's no pressure to prepare any slides, or even to present anything if you're too busy or you're not comfortable with the idea... it's just a means of getting to know each other and starting things rolling. Also, send me a private message (off list) if you'd like to swap contact details, and/or meet for a drink on Sunday evening. Best wishes, AV

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Fwd: Full-time OSL Systems Engineering opening
by Bryce Harrington 07 Apr '16

07 Apr '16

Passing along this job opportunity in case anyone is interested. OSUOSL hosts Inkscape's website, as well as a number of other open source projects. ----- Forwarded message from Lance Albertson <lance@...2167...> ----- Date: Wed, 6 Apr 2016 11:19:30 -0700 From: Lance Albertson <lance@...2167...> To: hosting@...2167... Subject: [Hosting] Full-time OSL Systems Engineering opening We have a full-time systems engineer opening [1] at the OSL! This is to replace the vacancy that Jordan left when he went onto the Linux Foundation. If you or anyone else you know might be interested, please have them submit an application. I'm also open to any suggestions as to where we can promote this posting. Please pass this along to anyone you think might be interested. Thank you all! [1] https://osuosl.org/about/employment/full-time-systems-engineer -- Lance Albertson Director Oregon State University | Open Source Lab _______________________________________________ Hosting mailing list Hosting@...2167... http://lists.osuosl.org/mailman/listinfo/hosting ----- End forwarded message -----

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A little draw
by Jabier Arraiza 07 Apr '16

07 Apr '16

Hi to all, I have some minutes and do this for the hackfest if any one want to use, feel free to use and tweak! https://inkscape.org/en/~jabiertxof/%E2%98%85hackfest-leeds-donate-button-p… Maybe we can remplace reelway font to EuphoriaScript Sorry for the duple first one have atachment big and there is some hurry on the mesage. Cheers, Jabier.

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A little draw
by Jabier Arraiza 07 Apr '16

07 Apr '16

Hi to all, I have some minutes and do this for the hackfest if any one want to use, feel free to use and tweak!

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Re: [Inkscape-devel] 0.91 performance when zoomed in (Saar Drimer)
by jelle 06 Apr '16

06 Apr '16

Hello Saar, Indeed you found your culprit, but added to that I see a lot of transparency objects in your design. If you have many layers as your design does and each of those has transparent objects in them I can imagine that things got a tad slow. Instead of a simple integer being used to display a single colour every layer of transparency needs to get calculated, added to the the previous one using floating point calculations. I imagine that this is handled on a logarithmic scale 1,2,4,8 etc. per layer used or per overlapping object. If your bottom layers were masked stacks of the same type of objects, I can imagine that the calculations of the masks are applied after going through the whole object stack calculation. Maybe using clips instead would make the result faster as well as those are simpler calculations to my knowledge. In any regard using lots of floating points explains the delay in screen refresh as well. It certainly isn't the amount of nodes. Cheers, Jelle

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Escher Sketch and interactive tiled cloning.
by Mark Schafer 06 Apr '16

06 Apr '16

Anyone seen this: - https://levskaya.github.io/eschersketch/ Works quite well as a live sketch tiling tool. Possibly misnamed. I see we have many of these reflection modes which can only be reached via Edit/Clone/CreateTiledClones... The modes for which are explained here: - http://wiki.inkscape.org/wiki/images/WallpaperTransformations.png linked from here: - http://wiki.inkscape.org/wiki/index.php/OnCanvasSymmetryTool I can see several pages here and there on proposals for an interactive UI. E.g. the one above, http://wiki.inkscape.org/wiki/index.php/Tiled-Clones It seems the paths can't be edited after tiling. I may be wrong about this but I can't work it out. (Only one shape can be selected at a time when hitting Create. I guess you have to group them first) I found this tutorial - http://tavmjong.free.fr/INKSCAPE/MANUAL/html/Tiles.html I seem to recall a lot of UI work was done on a way to make his work - maybe a year or more ago. I'm clearly using the wrong google search terms :( Did any of it make it into a release ? GSOC ?

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0.91 performance when zoomed in (Saar Drimer)
by jelle 04 Apr '16

04 Apr '16

Saar, Can you take a look at the objects using the XML editor and see what that tells you? To me it sounds like you may have some opacity or blur filters still going on. Also when you use the no filter display, is it still the same? That should give a decent clue as to what is going on. Cheers, Jelle

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Fwd: Hackfest catering and venue information
by C R 04 Apr '16

04 Apr '16

Nice! There is also this traveling with me on the 11th (will get there about 12:00pm) http://www.opendesignstudio.org/inkscape/samples/omgcoffee.jpg It's taking every ounce of resistance I have not to break it out. XD -C On 4 Apr 2016 6:40 pm, "Alex Valavanis" <valavanisalex@...400...> wrote: > Hi All, > > I have booked a dinner for the last night: Wednesday 13 April at 7pm > at the Cross Keys pub in Leeds. The menu (attached) is traditional > Yorkshire cuisine. > > Looking forward to seeing you in Leeds! > > Best wishes, > > > Alex > > On 31 March 2016 at 18:42, Alex Valavanis <valavanisalex@...400...> wrote: > > We have the venue from 9-5 each day, so let's say 9 on Monday. There are > a > > couple of friendly, and reasonably quiet pubs nearby if we want to carry > > things on informally after 5 though. > > > > AV > > > > On 31 Mar 2016 6:30 p.m., "Tavmjong Bah" <tavmjong@...8...> wrote: > >> > >> > >> What time should/can we start on Monday? > >> > >> Definitely interested in meeting for dinner on Sunday. > >> > >> Tav > >> > >> On Thu, 2016-03-31 at 12:12 +0100, Alex Valavanis wrote: > >> > [Can ignore if you're not attending the Hackfest!] > >> > > >> > Hi All, > >> > > >> > Some information about the Hackfest venue, and a request for your > >> > dietary requirements... > >> > > >> > == Venue == > >> > The Hackfest venue will be in the Evans Room at Devonshire Hall in > >> > the > >> > Hyde Park area of Leeds [1]. It is a traditional "Oxbridge style" > >> > stone-built hall. Our meeting room will accommodate 10 delegates. > >> > > >> > == Catering == > >> > A buffet lunch will be provided each day. I will suggest that we > >> > break for lunch at 1300 each day, unless there are any objections. > >> > Please let me know by tomorrow if you have any special dietary > >> > requirements. > >> > > >> > There will also be an unlimited supply of tea, coffee and biscuits. > >> > Sugar, milk and soy milk will be provided. > >> > > >> > == Facilities == > >> > * Wireless networking > >> > * UK mains power (remember to bring your own socket adapters if > >> > you're > >> > coming from outside the UK!!) > >> > * Data projector & screen > >> > * Flipchart and pens > >> > > >> > == Nearby amenities == > >> > There are a few pubs, bars, cafes and coffee shops 5 minutes walk > >> > away > >> > from the venue if we want a change of scenery. There is also a small > >> > convenience store. > >> > > >> > The venue is located on the Woodhouse Ridge nature trail if you want > >> > to step out for some fresh air [2]. > >> > > >> > == Local contact == > >> > I live within walking distance of the venue. Send me a message if > >> > you > >> > get stuck! I'll also be free on the Sunday evening before the > >> > Hackfest if anyone would like to meet for food/drink in Leeds City > >> > Centre. > >> > > >> > Best wishes, > >> > > >> > > >> > Alex > >> > > >> > [1] http://www.meetinleeds.co.uk/devonshire-hall > >> > [2] http://www.woodhouseridge.org.uk/ > >> > > >> > ------------------------------------------------------------------- > >> > ----------- > >> > Transform Data into Opportunity. > >> > Accelerate data analysis in your applications with > >> > Intel Data Analytics Acceleration Library. > >> > Click to learn more. > >> > http://pubads.g.doubleclick.net/gampad/clk?id=278785471&iu=/4140 > >> > _______________________________________________ > >> > Inkscape-devel mailing list > >> > Inkscape-devel(a)lists.sourceforge.net > >> > https://lists.sourceforge.net/lists/listinfo/inkscape-devel > > > ------------------------------------------------------------------------------ > > _______________________________________________ > Inkscape-devel mailing list > Inkscape-devel(a)lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/inkscape-devel > >

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