gmane.comp.graphics.inkscape.devel

Re: Recursive Drawing

Valerie — 2012-05-17T00:08:51

True, though I wonder if you'll still be saying that once people start
stacking symmetry templates on top of tiling templates on top of 
perspective templates, with extrude templates in-between.

What am I talking about?
- A person draws half a window, then uses a symmetry template to make
the other half.
- Then drops that group onto a tiling template to make a whole bunch
of windows.
- Then drops That group onto a perspective template to make a wall full 
of windows.
- And somewhere in-between, uses an extrude template to extrude
windows, balconies etc.
- He also drops an L-system templates to create vine-looking objects
on-canvas. Then drops that onto the perspective template as well (vines
along the wall).
- On another side, he drops a whole picture (a poster) onto a deform 
template (for slightly wavy paper), and drops that onto another
perspective template.

(this is just an example, in case you're asking why the user isn't
learning how to use a 3D program instead)

All the while, every function in-

Re: First shot at building trunk on Linux, autoconf version issue

mathog — 2012-05-16T19:46:56

Never mind, found it.  Long ago I had to install an old version of
all the auto* tools on this machine into /usr/local in order to build 
another
piece of software, and those were still in the path ahead of the 
current versions.

Regards,

David Mathog
mathog-7GExONQZ6ZKVc3sceRu5cw< at >public.gmane.org
Manager, Sequence Analysis Facility, Biology Division, Caltech

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Recursive Drawing

daniele rossi — 2012-05-16T19:00:00

really interesting, thanks for sharing.

Daniele


Il giorno 16/mag/2012, alle ore 20.18, inkscape-devel-request-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f< at >public.gmane.org ha scritto:

I just saw the video for a recursive drawing tool and thought you might find it interesting:

http://recursivedrawing.com/ 

It seems like a very natural way for designing L-systems.
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Re: First shot at building trunk on Linux, autoconf version issue

mathog — 2012-05-16T18:48:27

configure may be complete, but no install.sh was created, so configure 
will not actually run.

Regards,

David Mathog
mathog-7GExONQZ6ZKVc3sceRu5cw< at >public.gmane.org
Manager, Sequence Analysis Facility, Biology Division, Caltech

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Re: First shot at building trunk on Linux, autoconf version issue

mathog — 2012-05-16T18:44:58

Even though it blew up it did create a configure file of size 401738.  
Don't know
if it is complete though.  It ends right after the

echo "
Configuration:
   (lots of stuff)
"

Is that all there should be?

David Mathog
mathog-7GExONQZ6ZKVc3sceRu5cw< at >public.gmane.org
Manager, Sequence Analysis Facility, Biology Division, Caltech

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First shot at building trunk on Linux,autoconf version issue

mathog — 2012-05-16T18:17:53

On a newly upgraded 12.04LTS Ubuntu trying to build a freshly 
downloaded (via bazaar at around 9:00AM PST
today) copy of trunk.  Autogen.sh seems a bit confused about autoconf.  
At one point it checks for >2.52 (which
passes, as it is 2.59) then later it blows up saying it needs 2.62 or 
higher.  See log following my
signature (it will wrap, sorry).

Workaround???

David Mathog
mathog-7GExONQZ6ZKVc3sceRu5cw< at >public.gmane.org
Manager, Sequence Analysis Facility, Biology Division, Caltech


./autogen.sh
=============================================================================
When you report a trouble about building BZR version of inkscape,
Please report following information about distro and tools version, 
too.

--1. 
distribution------------------------------------------------------------
Debian GNU/Linux release wheezy/sid

--2. 
tools-------------------------------------------------------------------
/usr/bin/m4: m4 (GNU M4) 1.4.16
/usr/local/bin/autoconf: autoconf (GNU Autoconf) 2.59
/usr/local/bin/

Re: Recursive Drawing

Jasper van de Gronde — 2012-05-16T15:50:23

Don't let that worry you too much :) First of all, rendering a bunch of
shapes isn't necessarily that slow, and secondly, there are usually some
tricks to make the speed acceptable when it is. As for the programming
complexity, yeah, it would be non-trivial, but since when did that stop
anyone? (Frankly, it's more the "sounds stupid, but involves a whole lot
of code refactoring" tasks that usually don't get done.)

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Re: btool -j switch?

mathog — 2012-05-16T15:49:33


Good idea.  With -j 2 task manager showed btool with 2 threads, -j 3 
showed three.
In neither case though did it actually do two compiles at the same 
time.

Regards,

David Mathog
mathog-7GExONQZ6ZKVc3sceRu5cw< at >public.gmane.org
Manager, Sequence Analysis Facility, Biology Division, Caltech

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Re: Recursive Drawing

Valerie — 2012-05-16T14:53:16

That's pretty interesting. In fact, this and working on the GUI for tiling 
have made me think more about on-canvas templates in general. There's 
quite a bit of potential for just dropping stuff onto the canvas for 
various outcomes (you can turn them on and off). Possibilities include:

1. Clone/iteration templates: the render frame for the tiling tool is kind 
of like an on-canvas clone template, right?

The link you provided could be an iteration template. Drop an iteration 
area, drop an object inside it, then manipulate the whole to activate 
iteration within the area.

2. Kinematic templates: "improves freehand drawing by altering the 
cursor's movements." 

More info at http://hci.uwaterloo.ca/research/kinematic (really cool 
stuff).

3. Deform templates

An idea I've had recently: create a perspective grid (for example, over 
the side of a building), and if you grab and hover any object over it 
for a few seconds (example: a 2D window design), the object will have an 
automatic perspecti

Re: btool -j switch?

Jasper van de Gronde — 2012-05-16T07:41:24

Hmm... I think task manager should be able to tell you how many threads
btool is using. If it is using 2 threads, the process could in principle
be IO bound. Also, you might try increasing the thread count (hyper
threading and such might be playing tricks on you).

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Ellipse text change in 11365

Jon Cruz — 2012-05-16T03:14:49

Hi John,

The change in 11365 to shorten text when it gets too long looks great. Quite a handy feature, and very good to pull it out to its own function.

What would make it even nicer would be to use C++ strings instead of C ones. In this case that could change the function declaration to be

    Glib::ustring gr_ellipsize_text(Glib::ustring const &src, size_t maxlen);


Overall I thought this is also a good chance for us to call out a few specifics to the rest of the devs out there, as they might not know all the points you and I are already familiar with.


For everyone out there, some reasoning for a few of those differences:

* Glib::ustring and std::string manage their memory automatically, can share internal buffers, etc. Solves the huge issue of memory management with C strings.

* Using Glib::ustring instead of std::string denotes the intent that the string contents have been standardized into UTF-8. Good to use Glib::ustring wherever applicable.

* Passing in a reference to a constant Glib::ustring

Re: btool -j switch?

mathog — 2012-05-15T16:59:40


No, I only tried the parallel on the most recent one (straight from 
sourceforge).
Btool seems to think it is doing the right thing:

btool -j 2
...

##### Target : compile
##### compile the source to .o
--- compile / cc
     cc : compile with 2 threads in parallel
     cc : compile of build/obj/arc-context.o required by source: 
src/arc-context.cpp
============ cmd ============

but task manager shows it never breaks 50%, with idle always >=50%.  
Near as I can tell it is only
ever trying to compile one thing at a time.  Strange, the vast majority 
of the dll's are the same (except
possibly different versions).  The newer one has pthreadGC2.dll whereas 
the older has libpthread-2.dll.

Some sort of threads is working in this mingw because when I break in 
inkscape itself gdb sees multiple threads.

Regards,

David Mathog
mathog-7GExONQZ6ZKVc3sceRu5cw< at >public.gmane.org
Manager, Sequence Analysis Facility, Biology Division, Caltech

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Recursive Drawing

Veronika — 2012-05-15T01:58:46

I just saw the video for a recursive drawing tool and thought you might find it interesting:

http://recursivedrawing.com/ 

It seems like a very natural way for designing L-systems.

Veronika------------------------------------------------------------------------------
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Fwd: Re : Fw: Menu refresh

Susan Spencer — 2012-05-14T19:05:26

It would also be helpful to add command line options:

inkscape --preferences=mydefault_preferences.xml
--template=mydefault_template.svg

- Susan


On Mon, May 14, 2012 at 2:46 AM, John Smith <john.smith7545-/E1597aS9LQAvxtiuMwx3w< at >public.gmane.org>wrote:

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Re: Windows binary with much improved EMF import/export and some other patches

mathog — 2012-05-14T15:40:57

One big problem is that the EOL sequence in mingw is "\r\n", so it is 
painfully easy to convert
files from "\n" to "\r\n" EOLs just by changing a character and then 
saving them.
The extra carriage return can be a problem on linux/unix systems.

David Mathog
mathog-7GExONQZ6ZKVc3sceRu5cw< at >public.gmane.org
Manager, Sequence Analysis Facility, Biology Division, Caltech

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Re: Windows binary with much improved EMF import/export and some other patches

Jasper van de Gronde — 2012-05-14T11:11:19

Thanks! Had missed that, sure clears up a few things. (Taking the
discussion to that thread.)

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Re: Windows binary with much improved EMF import/export and some other patches

~suv — 2012-05-14T09:32:09

If the proposed patch breaks building on other platforms (it does), it
should not be applied as is.

Please read more details (and open questions) in the bug report David
referred to in his earlier message:

- Bug #988601 "omnibus EMF issue patch"
  <https://bugs.launchpad.net/inkscape/+bug/988601>


V

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Re: Windows binary with much improved EMF import/export and some other patches

Jasper van de Gronde — 2012-05-14T09:17:57

Do you have access to trunk? (I don't think not being tested on other
platforms should necessarily be a blocker.)

On 11-05-12 17:53, mathog wrote:


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Re: Re : Fw: Menu refresh

John Smith — 2012-05-14T07:46:40



I've added a patch with some basic load/save default metadata features.
Please take a look if you can ...


https://bugs.launchpad.net/inkscape/+bug/612221


________________________________
 From: ~suv <suv-sf-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f< at >public.gmane.org>
To: Yann Papouin <yann.papouin-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org> 
Cc: John Smith <john.smith7545-/E1597aS9LQAvxtiuMwx3w< at >public.gmane.org>; "inkscape-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f< at >public.gmane.org" <inkscape-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f< at >public.gmane.org> 
Sent: Friday, May 11, 2012 9:24 PM
Subject: Re: [Inkscape-devel] Re : Fw: Menu refresh
 
On 11/05/2012 14:07, Yann Papouin wrote:

Here's the related feature request for this:
Bug #612221 "Add metadata default configuration in the preferences"
<https://bugs.launchpad.net/inkscape/+bug/612221>


Independent of above feature request: For new files, you could create a
custom default.svg template with your metadata already filled in?


~suv-------------------------------------

Re: btool -j switch?

Jasper van de Gronde — 2012-05-14T07:33:19

Interesting. So you tried both, and in both cases you are unable to get
buildtool to compile multiple files in parallel?

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Active guides proposals

Valerie — 2012-05-14T06:10:35

The fact that guide improvement is one of the projects accepted
by Google Summer of Code projects is really good news! 
Guides are particularly helpful features in illustration programs.

I thought it'd be a good time to write up some of the possibilities
of guides. I doubt anyone can implement any of it anytime soon
(certainly not before the current GSOC project is finished), 
but it might be helpful to keep these in mind to not close off 
future possibilities in the definitions or the GUI.

Write-up here:

http://wiki.inkscape.org/wiki/index.php/Active_guide_proposals


As you can see, features I think will can be particularly useful are:

- Symmetry guides: by simply toggling them on and off, you can
enter an improved "mirror" mode. Helpful for everything from
complicated technical illustrations to just drawing some vases 

in some corner.

- Convergence points: this could be a mere feature of a more
general "guide point". When drawing straight lines, the lines
would "snap" to the direction of one of the