Lipid Bilayer Protein

Hi
You may not remember me as I have previously sent an email asking for help, 
but as a refresher, I am trying to write a simulation based on protein 
interactions. Basically, what I am trying to do is simulate the formation of 
a lipid bilayer protein on a 2-dimensional surface. At present, I am 
wondering if it is possible for Breve to calculate the difference in 
distance from one sphere to another in 3-dimensional space and if so, how 
can I display this information? Is it possible to select a sphere and then 
for Breve to automatically give me the exact location (or co-ordinates) of 
the sphere itself?

Thankyou
Cindy Chan

>From: [email protected]
>Reply-To: [email protected]
>To: [email protected]
>Subject: breve Digest, Vol 18, Issue 9
>Date: Wed, 12 Jan 2005 12:00:19 -0500 (EST)
>
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>Today's Topics:
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>    1. Re: Lines (jon klein)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Wed, 12 Jan 2005 10:43:55 -0500
>From: jon klein <[email protected]>
>Subject: Re: [breve] Lines
>To: [email protected]
>Message-ID: <[email protected]>
>Content-Type: text/plain; charset=US-ASCII; format=flowed
>
>
>On Jan 10, 2005, at 4:24 PM, Naiqi Weng wrote:
>
> > Hi, Jon
> >
> > I have tried the "set-bitmap" stuff ,but unfornately
> > the speed still tremendously slows down when I make
> > the spheres visible and "set-bitmap to 0". You said
> > the real fix is use breve 2.1. But is it a released
> > source code or just the every day snapshot? Currently
> > all my work is done in breve 1.9 and I have made
> > changes to the source code in order to display my
> > anmation on that volumetric display. So there will be
> > a lot of work to do if I want to use the new version
> > of breve 2.0. I have bumped into a lot of problems
> > when I tried to build breve1.9 in Mingw. I am
> > wondering if there is any other libraries I should
> > include if I want to build breve 2.0 based on my
> > settings in Mingw to build 1.9? And when do you think
> > the breve 2.1 source code wil be available?
>
>The latest source code is now available from SourceForge.  This
>is not the final 2.1 source, but it is now rather stable on
>Mac OS X and Linux.  I'm doing some work on the Windows end
>right now and that should be sorted out soon as well.
>
>Instructions on accessing the source code are available here:
>https://sourceforge.net/cvs/?group_id=124663
>
>If you'd rather address the problem in your old 1.9 source,
>that should also be pretty straightforward.  If you look
>in the file gldraw.c and search for "DM_INVISIBLE", you'll
>find something like the following:
>
>   if(w->objects[n] && !(w->objects[n]->drawMode & 
DM_INVISIBLE))
>
>If you look below this, you'll see that this is where the
>object itself is drawn, as well as the lines to neighboring
>objects.  Currently, the line drawing is inside this
>if-statement.  Like this (pseudocode):
>
>if ( ! invisible ) {
>    draw_object();
>    draw_lines();
>}
>
>You'll just want to move the line-drawing code outside of that
>if-statement.  Then your line will be drawn regardless of whether
>the object itself is visible or not:
>
>if ( ! invisible ) {
>    draw_object();
>}
>
>draw_lines();
>
>If you have any problems doing this, mail me off-list, and send
>me the copy of gldraw.c that you're currently using.
>
>- jon klein
>
>
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>End of breve Digest, Vol 18, Issue 9
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