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Great !

The sad thing is that there actually was a similar feature in the ancestor of Kinovea back in 2005 (screencap from the help files). You could interactively add/remove positions to the composite.

In all those years I never got around to reimplementing it (Massive limitation : it worked only for perfectly fixed camera views. I want it to work even when there is camera motion, but it's much more involved).

Particularly interesting in the first images you posted is that the composition is selective. You see all the ball's positions, but only a few of the racket's ones. This makes for a much clearer image if all you want to see is the ball trajectory.

Hi,
I just tried and yes, you're right :-)

You need to set the .Owner property of the form to be the main Kinovea form for it to work properly.
If your menu handler is inside Kernel.cs, you can simply do this:

form.Owner = MainWindow;

If it's outside, in another module or elsewhere, you can call a similar function through this :

using Kinovea.Services;

Form form = new Form ();
DelegatesPool dp = DelegatesPool.Instance();
if (dp.MakeTopMost != null)
    dp.MakeTopMost(form);
form.Show();

Interesting… The timestamp part might be covered by the existing naming scheme feature. Have you tried that ? From the capture tab in the main preferences you can have the snapshots named automatically with a timestamp. If it needs to have more precision it would probably be simple to integrate.

Then the second part would be to collect the list of files/timestamps in a text log, csv or spreadsheet file.
This could be done entirely in an external program I guess, monitoring the output directory and collecting info on the fly. Or it could be added as an internal feature, but it sort of feel a bit specific…

Another way that might be interesting would be to be able to define an external command to be executed after each snapshot is saved. That would leave the possibilities open and allow for many other uses. The external program would be fed the file name, time stamp and other variables as parameters.

It's more advanced on the user side and would need a bit of programming to get it working but we can probably create scripts for common scenarios as the requests come.

Welcome

Yes, you're correct. You can only save the piece of video that you created, not the process of creation itself.
That would be an interesting one though, but you can also do that with a screen grabbing application like camstudio.

@wumastah: Apparently there was an issue related to TV Capture cards recently fixed in the AForge library (that Kinovea uses to support DirectShow cameras). I'll try to integrate this for the next version.

@SteelAl: if you use the experimental version, try to get the log and send it by mail.
I do most of DirectShow testing with a Sony DCR-HC47 so it should definitely work.

Hi,
First of all, you need the experimental version if it's not the case already.
Then check this topic : Experimental version - 0.8.18 for a visual description of the new toolbar.