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Storing node results in memory?

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BenBeckwith
Posts: 136
Filters: 8
 Why is it that when I change my filter late in the tree it has to rebuild from the beginning? World Machine (similar designed program), for example, give the users the option to have the program store each steps results in memory so that when they're tweaking stuff later in the tree it only rebuilds what it needs to. Is this a possibility? This would be my most wanted feature. Making complicated filters is such a pain otherwise.

I've been making a high quality rock texture that as a whole is incredibly slow (on quad core no less). However, when I split it into multiple filters I feel like the process of rendering each step, saving the result, processing the result into the next step, saving that result, and doing it again for a third time is faster than rendering it all in one filter. Why is this? Maybe I can try a test to see if I'm just imagining it or not.
Posted: December 24, 2009 2:31 pm   Details E-Mail
Vladimir Golovin
Administrator
Filter Forge, Inc.
Posts: 3108
Filters: 54
 It's already implemented for bitmap-based components. As for sample-based components, yes, I think it's is possible as well (to a certain extent), but implementing it is a lot of work, so it's not on our plan for V2.0.
Posted: December 25, 2009 1:44 am   Details E-Mail
BenBeckwith
Posts: 136
Filters: 8
 Well that explains why my split up version works faster as a whole then (being converted to bitmaps for each step). I think a nice intermediate step would be a proxy node that saves a temp file. This would be nice in general so we can choose how much memory we're using rather than one being stored at each node. But maybe that's a lot of work too, though.

Thanks! smile:)
Posted: December 25, 2009 4:02 pm   Details E-Mail

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