Re: [brlcad-devel] (no subject)

[Inderpreet Singh]

On Thu, Mar 12, 2020 at 8:38 AM Abhay Raj Singh
 wrote:
>
> Dear sir,
>
> Thanks for your reply, I have noticed issues in OGV and now having better 
> Idea of issues and pieces left for it's release.
>
> I have experience in web development, front and backend with Node JS. I have 
> found some interesting issues and soon start sending PRs.

Awesome! Can't wait.

Here are the issues listed via priority
https://github.com/BRL-CAD/OGV-meteor/projects/1. If you can just
comment on any of these issues when you start working on them, that
would be great for management and preventing duplicate work.

-- 
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Ekoankar Sahai
ishwerdas.com
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Re: [brlcad-devel] (no subject)

[Abhay Raj Singh]

Dear sir,

Thanks for your reply, I have noticed issues in OGV and now having better
Idea of issues and pieces left for it's release.

I have experience in web development, front and backend with Node JS. I
have found some interesting issues and soon start sending PRs.

Thanks and regards
Abhay

On Wed, Mar 11, 2020, 5:10 PM Inderpreet Singh  wrote:

> Hi Abhay,
> Welcome to BRL-CAD. Happy to see some interest in OGV. Apologies for
> the delayed reply, I had taken a semi-break from coding for the last
> couple of months, but would love your help in OGV.
>
> 
> > Adding features to OGV is the plan as most of front-end and backend
> foundations are there, and heavy lifting can be done by WAsm.
>
> If you are interested in OGV in general - I would suggest going
> through some of the issues we have on GitHub. I think before going to
> WAsM we should be improving the code quality of OGV code. I am using
> CodeClimate and Deepscan as a direction/guidance. However my efforts
> are going really slow - so any help in that would also be hugely
> appreciated.
>
> Looking forward to hearing your thoughts, ping me on zulip or here.
>
> --
> Inderpreet Singh
>
> Ekoankar Sahai
> singhs.ish...@gmail.com
>
>
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Re: [brlcad-devel] (no subject)

[Inderpreet Singh]

Hi Abhay,
Welcome to BRL-CAD. Happy to see some interest in OGV. Apologies for
the delayed reply, I had taken a semi-break from coding for the last
couple of months, but would love your help in OGV.


> Adding features to OGV is the plan as most of front-end and backend 
> foundations are there, and heavy lifting can be done by WAsm.

If you are interested in OGV in general - I would suggest going
through some of the issues we have on GitHub. I think before going to
WAsM we should be improving the code quality of OGV code. I am using
CodeClimate and Deepscan as a direction/guidance. However my efforts
are going really slow - so any help in that would also be hugely
appreciated.

Looking forward to hearing your thoughts, ping me on zulip or here.

-- 
Inderpreet Singh

Ekoankar Sahai
singhs.ish...@gmail.com


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Re: [brlcad-devel] (no subject)

[Abhay Raj Singh]

Thanks Sean!

Yeah currently there are limits on WebAssembly, most prominent ones being
can't block main thread, cant use threading+SIMD and can't use the GUI(sort
of). UI is mainly to be handled by JavaScript. However, OpenGL calls are
mapped automatically to webGL in case of emscripten.

Adding features to OGV is the plan as most of front-end and backend
foundations are there, and heavy lifting can be done by WAsm.

I am also looking in to other projects so that I get to maximise learning
about programming and platforms.

Thanks and regards
Abhay

On Thu, Feb 27, 2020, 10:02 AM Christopher Sean Morrison via brlcad-devel <
brlcad-devel@lists.sourceforge.net> wrote:

> Hi Abhay!
>
> > On Feb 26, 2020, at 9:56 PM, Abhay Raj Singh 
> wrote:
> >
> > Hello everyone! I am Abhay Raj Singh, sophomore at NIT Hamirpur
> Bharat(India), wishing to participate in GSoC this year.
> >
> > I have gone through many ideas, but, I would like to propose one of my
> own.
>
> Excellent!  Fresh ideas are always welcome.
>
> > I came to know about WebAssembly a while ago, it lets you run C, C++,
> Rust i.e. native code in browsers! Offering highly portable development.
> >
> > AutoCAD a popular non-OS software already provide it's IDE that runs in
> browser.
>
> So then what exactly is the idea that you are proposing?  It’s not exactly
> like you can just take any code and recompile and run it successfully via
> WebAssembly… :)
>
> Having BRL-CAD in a browser is a similar objective of the Online Geometry
> Viewer (OGV) project, though that infrastructure is not based on
> recompilation.
>
> I think there might be some interesting possibilities of recompiling a
> piece of BRL-CAD for WebAssembly such as the libged library (which forms
> the basis of most of MGED commands), but then you would 1) have to detangle
> some bits of Tcl, 2) investigate what other limitations WebAssembly imposes
> on system calls (e.g., I/O), and 3) probably demo even the smallest bit of
> proof of concept that this could be turned into something viable.
>
> > Apart from that I am really interested in "Multi threaded Geometry
> evaluation" of OpenSCAD
> >
> > Which direction should I go?
>
> Go where you are most excited of course!  The possibilities for projects
> are endless, but only you will know best what you are capable of doing
> after researching the projects in a bit more depth.  Try submitting a
> useful code change or bug fix.  Regardless, welcome and thank you again for
> introducing yourself.
>
> Cheers!
> Sean
>
>
>
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Re: [brlcad-devel] (no subject)

[Christopher Sean Morrison via brlcad-devel]

Hi Abhay!

> On Feb 26, 2020, at 9:56 PM, Abhay Raj Singh  
> wrote:
> 
> Hello everyone! I am Abhay Raj Singh, sophomore at NIT Hamirpur 
> Bharat(India), wishing to participate in GSoC this year.
> 
> I have gone through many ideas, but, I would like to propose one of my own.

Excellent!  Fresh ideas are always welcome.

> I came to know about WebAssembly a while ago, it lets you run C, C++, Rust 
> i.e. native code in browsers! Offering highly portable development.
> 
> AutoCAD a popular non-OS software already provide it's IDE that runs in 
> browser.

So then what exactly is the idea that you are proposing?  It’s not exactly like 
you can just take any code and recompile and run it successfully via 
WebAssembly… :)

Having BRL-CAD in a browser is a similar objective of the Online Geometry 
Viewer (OGV) project, though that infrastructure is not based on recompilation.

I think there might be some interesting possibilities of recompiling a piece of 
BRL-CAD for WebAssembly such as the libged library (which forms the basis of 
most of MGED commands), but then you would 1) have to detangle some bits of 
Tcl, 2) investigate what other limitations WebAssembly imposes on system calls 
(e.g., I/O), and 3) probably demo even the smallest bit of proof of concept 
that this could be turned into something viable. 

> Apart from that I am really interested in "Multi threaded Geometry 
> evaluation" of OpenSCAD
> 
> Which direction should I go?

Go where you are most excited of course!  The possibilities for projects are 
endless, but only you will know best what you are capable of doing after 
researching the projects in a bit more depth.  Try submitting a useful code 
change or bug fix.  Regardless, welcome and thank you again for introducing 
yourself.

Cheers!
Sean



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Re: [brlcad-devel] (no subject)

[Daniel Roßberg]

Jawadh,

you should follow Margaret's advice and use a subversion checkout.
See http://brlcad.org/wiki/Building_from_SVN for additional
information.

Daniel

2016-03-18 9:45 GMT+01:00 Jawadh Salih Rifath :
> Is there any Better editor to debug the programs. CMake is not fixing from
> me.
>
> I got the error as
>
> CMake Error at CMakeLists.txt:465 (_message):
> Attempting to ignore non-existent file INTERFACE, in directory
> H:/University/GSOC/2016/Sources/brlcad-7.24.0/src/other/xmltools/libxml
> Call Stack (most recent call first):
> misc/CMake/BRLCAD_CMakeFiles.cmake:137 (message)
> CMakeLists.txt:384 (CMAKEFILES)
> C:/Program Files (x86)/CMake/share/cmake-3.5/Modules/FindThreads.cmake:226
> (add_library)
> src/other/xmltools/libxml/CMakeLists.txt:10 (FIND_PACKAGE)
>
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Re: [brlcad-devel] (no subject)

[Christopher Sean Morrison]

Welcome Yanick!

> please am interested in the gsoc project "OpenSCAD Exporter", but the
> idea page seems not to provide ideas about the project.

Yes, the details have not been sorted out.  This is something you can do, 
though, by researching existing converters.

> is this a high priority project?

Geometry conversion is on the list.

> all helpful resources necessary for this project is welcome..

You should check on the status of Shaina’s work from last year:  
http://brlcad.org/wiki/Google_Summer_of_Code/2015#ScadLexer_for_OpenSCAD
It was an OpenSCAD project, so you should talk with their devs to see if this 
is something you could propose continuing / finishing / improving.  
Implementing an OpenSCAD export capability is not easily realized or maintained 
without a library from them.  I suggest contacting them… ;)

Cheers!
Sean


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Re: [brlcad-devel] (no subject)

[Christopher Sean Morrison]

> On Mar 7, 2016, at 9:42 AM, abanda ludovic  wrote:
> 
> Hello,
>   I'm interested in the 2016 GSOC project "General Tree Walker". 
> I have good knowledge of c programming.
> I will like to know if it is a  good/priority project or not!

It’s a terrible project.

It’s a good project.

I’m not sure what you’re looking to hear as whether it’s a reasonable project 
FOR YOU depends mostly on you.  :)  

Our list of priorities has been shared several times on the list (and just 
shared again a few minutes ago).

Cheers!
Sean


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Re: [brlcad-devel] (no subject)

[Vasco Alexandre da Silva Costa]

This webpage in BRL-CAD Wiki says how to get the source code and compile it:
http://brlcad.org/wiki/Building_from_SVN

The mged quick reference guide might also be useful:
http://brlcad.org/w/images/5/52/MGED_Quick_Reference_Card.pdf

The source code is mostly under the 'librt/primitives' directory. e.g.
'librt/primitives/ehy/ehy*.{c,cl}'.

Regards,

On Thu, Mar 3, 2016 at 6:46 PM, Param Hanji 
wrote:

> Can I have a link to the existing code please?
>
> On Fri, Mar 4, 2016 at 12:02 AM Vasco Alexandre da Silva Costa <
> vasco.co...@gmail.com> wrote:
>
>> On Thu, Mar 3, 2016 at 6:23 PM, Param Hanji 
>> wrote:
>>
>>> Hello,
>>>
>>> I'm an undergraduate student majoring in Information Technology. I'd
>>> love to work with BLR-CAD as part of GSOC this year.
>>>
>>> I was looking for a project that involves parallel computing with GPUs.
>>> I did find one on Raytracing, but I'm unsure if it is still required. Could
>>> someone kindly tell me about this or other projects that I could work on?
>>>
>>
>> Hello,
>> There is still a lot of work which can be done with GPU acceleration for
>> BRL-CAD. I suggest you look at the current BRL-CAD C/OpenCL code and start
>> by accelerating one of the primitives which aren't accelerated yet like
>> 'eto' so you can get accustomed to the code.
>>
>> Your proposal for GSoC could be working on the CSG (Constructive Solid
>> Geometry) part of the ray-tracer. Namely the boolean evaluation part.
>>
>> Regards,
>>
>>
>>>
>>> Thank you in advance!
>>>
>>> Cheers,
>>> Param Hanji
>>>
>>>
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>>>
>>>
>>
>>
>> --
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>> PhD in Computer Engineering (Computer Graphics)
>> Instituto Superior Técnico/University of Lisbon, Portugal
>>
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Re: [brlcad-devel] (no subject)

[Param Hanji]

Can I have a link to the existing code please?

On Fri, Mar 4, 2016 at 12:02 AM Vasco Alexandre da Silva Costa <
vasco.co...@gmail.com> wrote:

> On Thu, Mar 3, 2016 at 6:23 PM, Param Hanji 
> wrote:
>
>> Hello,
>>
>> I'm an undergraduate student majoring in Information Technology. I'd love
>> to work with BLR-CAD as part of GSOC this year.
>>
>> I was looking for a project that involves parallel computing with GPUs. I
>> did find one on Raytracing, but I'm unsure if it is still required. Could
>> someone kindly tell me about this or other projects that I could work on?
>>
>
> Hello,
> There is still a lot of work which can be done with GPU acceleration for
> BRL-CAD. I suggest you look at the current BRL-CAD C/OpenCL code and start
> by accelerating one of the primitives which aren't accelerated yet like
> 'eto' so you can get accustomed to the code.
>
> Your proposal for GSoC could be working on the CSG (Constructive Solid
> Geometry) part of the ray-tracer. Namely the boolean evaluation part.
>
> Regards,
>
>
>>
>> Thank you in advance!
>>
>> Cheers,
>> Param Hanji
>>
>>
>> --
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>>
>>
>
>
> --
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> PhD in Computer Engineering (Computer Graphics)
> Instituto Superior Técnico/University of Lisbon, Portugal
>
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Re: [brlcad-devel] (no subject)

[Vasco Alexandre da Silva Costa]

On Thu, Mar 3, 2016 at 6:23 PM, Param Hanji 
wrote:

> Hello,
>
> I'm an undergraduate student majoring in Information Technology. I'd love
> to work with BLR-CAD as part of GSOC this year.
>
> I was looking for a project that involves parallel computing with GPUs. I
> did find one on Raytracing, but I'm unsure if it is still required. Could
> someone kindly tell me about this or other projects that I could work on?
>

Hello,
There is still a lot of work which can be done with GPU acceleration for
BRL-CAD. I suggest you look at the current BRL-CAD C/OpenCL code and start
by accelerating one of the primitives which aren't accelerated yet like
'eto' so you can get accustomed to the code.

Your proposal for GSoC could be working on the CSG (Constructive Solid
Geometry) part of the ray-tracer. Namely the boolean evaluation part.

Regards,


>
> Thank you in advance!
>
> Cheers,
> Param Hanji
>
>
> --
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>


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Re: [brlcad-devel] (no subject)

[Christopher Sean Morrison]

On Mar 21, 2015, at 2:40 AM, Nihar Mehta niharmeht...@gmail.com wrote:

 I have attached a first unedited version of my proposal. Please suggest 
 whatever changes you feel I should make. Or whatever infeasible I have 
 included?
 
 1.Is tessellation,surface trimming and contour refinement a provision in 
 current NURBS software?

Yes.

 2.I want to know whether we can use this algo for surface intersections
 http://www.paritycomputing.com/projects/AcmClassification/tr1.1/237751.pdf

BRL-CAD implemented that method in the late 80’s and early 90’s.  Splitting 
surfaces up into Bezier patches is not desirable nor was it ultimately 
successful.

 3. Is it possible to insert an isoparm into a Nurbs without changing the 
 surface?

Depends what you mean by change the surface.  Inserting is a change to the 
surface, however that doesn’t necessarily mean a spatial change.  It is 
theoretically possible to insert and not change the spatial configuration of 
the surface.  

 4. Is there a generalized algorithm for projecting a surface on a plane, 
 other than normal parametrizing techniques?

It’s fairly trivial to project the surface’s vertices and edges.  What is more 
difficult is evaluating and projecting the surface edges, like a sphere that is 
represented with a single curve and surface.  Finding the curve at the tangency 
is a GSoC project idea of its own.

 5. Can you suggest some open source softwares where we already have nurbs 
 editing support included, so that we can have a better understanding to try 
 to implement it in our code?

There’s very little in the way of open source NURBS editing, but what’s 
available you can find as well as anyone else with web searches.  There is 
supposed to be some minimal support in Blender.  FreeCAD leverages OpenCascade 
editing features.  There are a few stand-alone tools as well, but I encourage 
you to search this on your own.

 6. What is the difference between Maya and Ayam?

Palindromes for $400, Alex.

Cheers!
Sean

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Re: [brlcad-devel] (no subject)

[Christopher Sean Morrison]

On Mar 6, 2015, at 4:44 PM, Daniel Carlson dancarl...@gmail.com wrote:

 I'm Kouetchua Carlson from the university of Buea, Cameroon and am a second 
 year computer engineering student. I have a decent understanding and have 
 been coding in C and C++ mainly C for the past two years.

Welcome!

 Really interested in getting into computational geometry and I think Brl-cad 
 is the best place for me and looking at the ideas page am really interested 
 in the vector drawings from nurbs.

I particularly agree too since CGAL apparently didn’t apply or wasn’t selected 
this year.  However, if your interest is computational geometry, there’s a 
variety of other topics you could propose that would be of interest.

  Any pointers will be greatly appreciated and really looking forward to 
 contributing to this community.

That’s a really complicated topic to get into without prior experience with 
NURBS.  I provided references a couple days ago to someone else if you want to 
look at the mailing list archives.  Basically, you’re projecting complex 
surfaces and curves to 2D, and writing them out in some vector format.  
Figuring out how and doing the projection is the work.

Cheers!
Sean


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Re: [brlcad-devel] (no subject)

[Tom Browder]

On Sat, Jun 29, 2013 at 2:37 AM, Talwinder saini
talwindersaini1...@gmail.com wrote:
 comb radio_cutaway.c u radio.c – cutaway.s
 when I executed this command It was showing an error  skipping cutaway.c 
 After two days struggle I found that radio_cutaway.c exists already
 in my database

Talwinder, first I agree that the error message is not very helpful,
but what version of BRL-CAD are you using?  With version 7.24.0 I see
no such error.

Best,

-Tom

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Re: [brlcad-devel] (no subject)

[Filip Tanurovski]

I wrote to Suryajith, asking him about the Benchmark database project.
Hopefully, he'll reply soon.
In the meantime, I'll download and compile the source code, and familiarize
myself with it.

Filip


On Thu, Apr 11, 2013 at 4:45 AM, Christopher Sean Morrison
brl...@mac.comwrote:


 On Apr 10, 2013, at 7:15 PM, Filip Tanurovski wrote:

 Hi, I'm Filip


 Welcome Filip!

 I would like to apply to BRL-CAD in this years Google Summer of Code. I
 joined the irc channel few minutes ago, but I would also like to introduce
 myself here (it seems that everyone is AFK there) :)
 I come from Macedonia. I'm in my last year of studies at the Faculty of
 Computer Science and Engineering in Skopje.


 Fantastic.

 I'm interested in working on one of the web development projects, the 
 Benchmark
 Performance 
 Databasehttp://brlcad.org/wiki/Benchmark_Performance_Databaseproject.
 If I have any questions, should I ask here, or on the irc channel?


 Either works.  Someone replies on either as soon as they can.  For the
 Benchmark database, though, here is probably best so that you can talk with
 Suryajith.

 He worked on that project last summer and made fantastic progress.
  Working on that project should pick up where he left off, assuming he's
 not actively still working on it in secret... Hopefully he'll speak up on
 that point ;)

 You can read about his progress here:

 http://brlcad.org/wiki/User:Stattrav
 http://brlcad.org/wiki/User:Stattrav/GSoC2012_log

 Anyway, that's my short intro.


 Thank you!

 Cheers,
 Sean



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Re: [brlcad-devel] (no subject)

[Christopher Sean Morrison]

On Apr 11, 2013, at 02:38 PM, Filip Tanurovski filipt...@gmail.com wrote:I wrote to Suryajith, asking him about the Benchmark database project. Hopefully, he'll reply soon.In the meantime, I'll download and compile the source code, and familiarize myself with it.Excellent. You should definitely compile optimized, run the benchmark, and submit your results.A related "side project" to think about (if you're into legacy historic computing) could be to get BRL-CAD back up and running in simh:http://simh.trailing-edge.com/http://www.netbsd.org/ports/vax/emulator-howto.htmlIt's been so long since we've compiled under that environment that changes would invariably be needed to our sources and CMake build system. The VAX 11/780 platform, however, is central to the BRL-CAD Benchmark. It's the performance baseline where it should give close to a "1" performance metric.A good GSoC goal might including reporting BRL-CAD to the VAX 11/780, spending just a week or so at most, in addition to any web work to continue Suryajith's interface.Cheers!Sean--
Precog is a next-generation analytics platform capable of advanced
analytics on semi-structured data. The platform includes APIs for building
apps and a phenomenal toolset for data science. Developers can use
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Re: [brlcad-devel] (no subject)

[Christopher Sean Morrison]

On Apr 10, 2013, at 7:15 PM, Filip Tanurovski wrote:

 Hi, I'm Filip

Welcome Filip!

 I would like to apply to BRL-CAD in this years Google Summer of Code. I 
 joined the irc channel few minutes ago, but I would also like to introduce 
 myself here (it seems that everyone is AFK there) :)
 I come from Macedonia. I'm in my last year of studies at the Faculty of 
 Computer Science and Engineering in Skopje.

Fantastic.

 I'm interested in working on one of the web development projects, the 
 Benchmark Performance Database project.
 If I have any questions, should I ask here, or on the irc channel?

Either works.  Someone replies on either as soon as they can.  For the 
Benchmark database, though, here is probably best so that you can talk with 
Suryajith.

He worked on that project last summer and made fantastic progress.  Working on 
that project should pick up where he left off, assuming he's not actively still 
working on it in secret... Hopefully he'll speak up on that point ;)

You can read about his progress here:

http://brlcad.org/wiki/User:Stattrav
http://brlcad.org/wiki/User:Stattrav/GSoC2012_log

 Anyway, that's my short intro.

Thank you!

Cheers,
Sean

--
Precog is a next-generation analytics platform capable of advanced
analytics on semi-structured data. The platform includes APIs for building
apps and a phenomenal toolset for data science. Developers can use
our toolset for easy data analysis  visualization. Get a free account!
http://www2.precog.com/precogplatform/slashdotnewsletter___
BRL-CAD Developer mailing list
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Re: [brlcad-devel] (no subject)

[Mesut Özdogan]

Hi Daniel,thank you for your help. You're right, i have done it the wrong way. I wanted to add the functions step by step, which could only compiled with brlcad after all was finished...Yes, I have a small question. Can I add Qt libraries on the same way how in a normal qt application (#include QApplication + link in the make file)? At this time I am getting compile errors, I will do a new svn checkout. I have changed to many files, maybe after that it will work...And last but not least, shall I delete previos versions of DM, before I upload a new version to patch tracker?Btw. Thank you I will take it as a compliment, the most of the code isn't generated. I have writen it :)...RegardsMesut
Mesut,

Your patch for the Qt display manager doesn't really fit to BRL-CAD.
Correct me if I'm wrong but it looks like some generated code.

Instead of trying to solve all problems at a time I recommend to go
step by step.  Start with the interface:
   - Use one of the dm-~.c files as a template and copy it to dm-qt.c
   - Rename the functions to qt_~ and remove all the function bodies
from this file.
   - Hook your new functions to the display manager as qt(?).
   - Compile and link BRL-CAD.
   - Start mged with qt as display manager.  Then you should see
nothing - but it shouldn't crash.

If you succeeded with this we can talk about transferring dm-qt.c to dm-qt.cpp.
And don't hesitate to ask if something isn't clear :)

Daniel

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