hey thanks guys, the problem was that I basically didn't understand it the right way. Now all the clouds have cleared up and I was able to write the node.
Cheers Vladimir On Wed, Jul 24, 2013 at 6:03 AM, Julian Johnson <[email protected]>wrote: > On 23/07/2013 17:56, Vladimir Jankijevic wrote: > > Hi list, > > I'm having little trouble here with a custom ICE node. I didn't touch > the subject for a long time so I'm a bit confused :) > What I want basically is a node with an input which takes any context, > loop over all the items from the input and output a single value. Is that > even possible? I've found the BBoxGenerator example and that's basically > what I want but I couldn't get my node to load in Softimage as soon as I > have a different output Context type than what I have as input context > type. > > > Hi Vladimir, > > The only other things I can think of checking are maybe the context > constraints when you define the ports i.e. make sure they're not using the > same constraint map and, possibly, ensuring the node definition is set to > single threaded (like BBoxGenerator). Using single threaded gives you much > more latitude in mixing ports of different contexts whereas multithreading, > by default, seems to enforce stricter rules about input/output port > evaluation...often resulting in mixed input/output ports being evaluated > incorrectly. In fact, almost all the time I find that multithreading > requires that input and output ports be in the same context. > > I tend to use multiphase a lot of the time since it seems to bypass lots > of port context issues (probably because all the initial phases are single > threaded anyway). > > Julian > >
