But I would also appreciate a reply, maybe from Peter, which is of general
interest to all of us.

Optimizing is one possibility, then the question about what would LC
Builder accomplish, and then C++, if nothing else does the job fast enough?

I am thinking about some optimisation algorithms which are already
available in C++ and would probably execute not well enough in LCS.

Roland

On Sun, Mar 6, 2016, 23:10 Phil Davis <rev...@pdslabs.net> wrote:

> Hi Jonathan,
>
> I would start by seeing if your LC code can be optimized so the time it
> takes per screen is acceptable. There are many small changes a person
> can sometimes make to code that causes dramatic speed increases.
>
> Or is the bulk of the time spent in areas LC can't address natively?
> Maybe that's why you want to go toward an external.
>
> Thanks -
> Phil Davis
>
>
> On 3/6/16 1:55 PM, Jonathan Lynch wrote:
> > Hello fellow LiveCoders,
> >
> > I need to write an external and it needs to be fast. It is for extracting
> > images from a green screen. I wrote a good algorithm for this in
> LiveCode,
> > but it takes 20-30 seconds to handle all of the data processing. I want
> to
> > use C++ for speed advantages.
> >
> > I tried following the desktop externals tutorial that LiveCode uses, but
> it
> > seems that the external generator that LiveCode offers does not work
> > properly with Visual Studio 2015.
> >
> > Should I try to find a free version of VS 2010? Should I try to fix the
> C++
> > library files so that they work with VS 2015? Is there some other very
> fast
> > compiled language, like Fortran, that I should try?
> >
> > I welcome any advice on how to do this.
> >
> > Thanks,
> >
> > Jonathan
> >
> >
> >
>
> --
> Phil Davis
>
>
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