Tom Browder | 10 Jun 20:03 2014
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Re: [brlcad-commits] SF.net SVN: brlcad:[61226] brlcad/branches/bullet/src

On Tue, Jun 10, 2014 at 12:24 PM,  <starseeker@...> wrote:
> Revision: 61226
>           http://sourceforge.net/p/brlcad/code/61226
> Author:   starseeker
> Date:     2014-06-10 17:24:32 +0000 (Tue, 10 Jun 2014)
> Log Message:
> -----------
> Get the simulate command compiling with the bundled Bullet.  It doesn't seem to be working, but it's not
immediately clear why - the command does run and produce output

Cliff, Some time ago I tried building later versions of bullet than
were in our tree (I did this at our revs 2613 and 2703).  Results:

Bullet 2.78: good build
Bullet 2.79: good build
Bullet 2.81: many warnings
Bullet 2.82: many warnings

I don't have great notes but I can try the builds again if it would help.

Best regards,

-Tom

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Albert Coder | 10 Jun 20:02 2014
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Confusion in Materials Database

I had made a MediaWiki extension capable of storing the data. Some of
you might have seen it or else you can have a look at it here

http://202.164.53.122/~albertcoder/mediawiki-1.22.6/index.php/Special:Material

For this extension I have made my own database design for simplicity
and better understanding of the extension-structure. But now I wish to
you the database design which has been worked upon in the previous
years. Studying it critically, I have come to notice that it has
redundancies and it needs normalization.

I am confused as I could not understand the purpose of using
"table_materialID" and "materialID" in "traits" table.

Can you see any difference between the columns pointed in [0] ?

You can see the whole database structure in [1].

Else for more clarity you can import the sql file from [2].

[0] http://awesomescreenshot.com/08b2yhm7a8

[1] http://awesomescreenshot.com/09a2yhktde

[2] http://202.164.53.122/~albertcoder/brlcad/material/db.sql

--

-- 
Thanks
Albert
www.coderalbert.wordpress.com
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Daniel Roßberg | 10 Jun 16:57 2014
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NMG in ASCII format

Zhao,

I just tested facetize with a simple region (see the attached file).
Then I wanted to see how many shells it has produced.  I thought
looking at the ASCII version of the database would be a good idea
(created with g2asc).  However, the ASCII NMG has always only one
shell: rt_nmg_adjust() modifies only the first shell.

Therefore I'm more and more convinced that we don't need the
model-nmgregion structures.  Even the work-around with the
combinations may be unnecessary (but I'm not sure).

At least the ASCII import and export should be no problem with the
single-shell nmg.  I'ts ASCII format knows only one shell.

Regards,
    Daniel
Attachment (nmg_test.g): application/octet-stream, 51 KiB
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Raj Reddy | 9 Jun 12:45 2014
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Error in Submodel

Hi all.

I was trying to explore submodel. And get an error.

for example I have two database abc.g and bot.g

bot.g contains the following shapes (bot1, prism)  

Now I try to create another database by using the session given at [1]

Apparently mged prompts an error [2] and stops. The bu-bomb log is at [3]
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Albert Coder | 8 Jun 00:02 2014
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Extension to store materials properties

I have made an extension which can store properties of materials. I
have tested it on a couple of systems and mediawiki versions 1.22.6
and  1.22.7. You can see it by inserting the data into the database.

http://202.164.53.122/~albertcoder/mediawiki-1.22.6/index.php/Special:Material

PS: You have to Login/Sign up first to be able to use this extension.
The data gets inserted but I have to still make the provision to
display the stored data.

This-> http://202.164.53.122/~albertcoder/mediawiki-1.22.6/index.php/Special:Version
 shows that the extension is installed.

I am attaching the extension so that it can also be installed and
tested on various other systems.

I will try to make all the necessary changes including the one(by
tomorrow) which will show the properties here itself on the interface.
Please review and give suggestions.

-- 
Thanks
Albert
www.coderalbert.wordpress.com
" Eat Sleep Conquer Repeat "
Attachment (Mat.zip): application/zip, 13 KiB
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Harmanpreet Singh | 7 Jun 11:19 2014
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OGV

 <at> Inderpreet

Although you are going good with your milestones, but I would like to
see working whatever you have done till now. Please put your code on
some server.

Also fix some time to write your development logs. You need not only
write success, but mentioning the failure, struggle etc., are equally
important.

Make you habit to write daily. :-)

Good luck!
--

-- 
Harmanpreet Singh
Blog: http://singhharman.wordpress.com/

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H.S.Rai | 7 Jun 05:16 2014
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Development logs

 <at>  Ankesh and Albert

Please update your development logs, everyday, without any failure.

Enjoy hacking!

--

-- 
H.S.Rai

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Raj Reddy | 6 Jun 22:56 2014
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Wrapping bu_bitv a challenge!

Hi all,

The brlcad bu_bitv is very intelligently implemented. But it turns out to be very difficult to wrap that in the python code which is required for BOT primitive

Below, I explain the situation further.

-> The bu_bitv has a vector "bits" which is a unsigned char type of data. (of size 2 as per the definition)

-> Now during the initialization of a bu_bitv, only the required memory is allocated as required by the number of bits. So for example if I have only 8 bits to store the api is programmed such that the memory which will be allocated will be = sizeof(bu_bitv) - 2(substract the 2) + 1 (allocate a byte for 8 bits)

->Now while importing a structure in python code we cannot determine whether extra memory has been allocated or not!

Please suggest remedial measure I should adopt. I spent a long time understanding the code and what is happening. ;-) Please use the below links for understanding further.

bot structure : [1]
bit_v : [2]
A typical usage of bit_v for bot : [3]

Cheers!
Raj.

[1] http://brlcad.org/xref/source/include/rtgeom.h#L620
[2] http://brlcad.org/xref/source/include/bu.h#L1365
[3] http://brlcad.org/xref/source/src/libged/typein.c#L1018
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Christopher Sean Morrison | 4 Jun 05:33 2014
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Notice Regarding Server Maintenance on 6 June 2014

FYI, our main web server's hardware is scheduled to go down for maintenance on Friday, June 6th, 2014 from 10
pm – 11pm EST.  An emergency power management module (PMM) is being replaced.  If not obvious, active ssh,
screen, and irssi sessions will be lost during the reboot.

Please take this time to remote back up any important data prior to the maintenance window.

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Albert Coder | 3 Jun 22:53 2014
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Fwd: Simple Extension in MediaWiki

On Wed, Jun 4, 2014 at 12:24 AM, Albert Coder <eralbert9191@...> wrote:
>
> 2.) Accessed this link
> "http://localhost/mediawiki-1.22.7/index.php/Special:Hi" to check the
> working of this extension.

I have also installed it on my college server on mediawiki 1.22.6.

This shows-> http://202.164.53.122/~albertcoder/mediawiki-1.22.6/index.php/Special:Hi
it works fine and

This shows-> http://202.164.53.122/~albertcoder/mediawiki-1.22.6/index.php/Special:Version
the extension is installed.

Alternatively this can also be tested by installing. I have attached
the zip file.

-- 
Thanks
Albert
www.coderalbert.wordpress.com
" Eat Sleep Conquer Repeat "
Attachment (Hi.zip): application/zip, 5349 bytes
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Raj Reddy | 3 Jun 22:31 2014
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Regarding Clarification for metaball arguments

hi all,

The last argument in mk_metaball(..) defined in src/libwdb/wdb.c looks erroneous to me

it reads fastf_t *verts[5]

As per [1] this means verts is a 5 array of pointers of type floats.

Instead i think this should be fastf_t (*verts)[5] which would mean verts is a pointer to 5 array of fastf_t.

Please see if my explanations is right!

Best,

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Gmane