Nicolas Alvarez <nic### [at] gmailisthebestcom> wrote:

> > http://www.povray.org/documentation/view/3.6.1/216/
> >
> > 2.1.2.1.3 Subsets of Animation Frames
> >
> > Hope this helps
>
> I think it won't. The way MegaPOV mechsim works for animations is by
> loading the simulation data from disk, processing it some more, saving
> it back, and rendering. If you render only the last frame, it would look
> like the first frame...

That's right. mechsim doesn't work if you don't start the animation from the
beginning. This is what happens with a new file:

> megapov +sf150 +ef200 +kff1000-j l msim.pov

....

  0:00:01 Calculating Mechanics Simulation Time=0.0000s (0 percent)
File: msim.pov  Line: 58
File Context (5 lines):
                                save_file "coords.dat"
                        }
                #end
        }
Parse Error: Attempt to malloc zero size block (File: mechsim.cpp Line: 4420).


Rendering with +sf ... +ef works if there's a MSIM *.dat-file, but then mechsim
just continues where it previously ended.

I use -w1 -h1 to speed up rendering. I haven't found a more clever way yet.

-Boris

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