Re: [Boost-users] [review] Dataflow Review starts today, September 1st

Stjepan Rajko wrote: Hey,

Hi Manuel,

On Tue, Sep 2, 2008 at 8:48 AM, Manuel Jung wrote:

...

Hey,

The filter of the GIl example is always processed, whether or whether not it is multiplexed to the output, right? Maybe it would be good to insert a conditional component right before the filter, therefore the data is dropped, if the multiplexer takes data from slot 0. Otherwise a senseless computation is done, if the filter is turned off.

This is correct.

...

I wanted to alter the example as suggested, but i don't know how to use the conditional component? I couldn't find a example for that. Maybe you could point out how to use it.

The conditional component is a generic component that is used to make other components. As such, it wouldn't serve the purpose you need out of the box. But the junction component would:

http://www.dancinghacker.com/code/dataflow/dataflow/signals/components/flow/...

That particular page doesn't mention it (although the example demonstrates it), but junction also has gate functionality (it's mentioned in the component summary). Actually, "gate" would probably be a better name for this component.

Ah, yes, i read the junction page, even opened it through the conditional page, but missed it. And i agree, "gate" would be a better name!

Incidentally, junction is implemented using the conditional component like this:

http://svn.boost.org/trac/boost/browser/sandbox/SOC/2007/signals/boost/dataf...

Best,

Stjepan

Kind regards Manuel

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