So, dividing it into batches didn't help, and i ran into a wall with the projection idea. But thanks for the ideas anyways.
I'm still looking into the "pruning" method, but i don't wanna spend at least a week trying to implement it, if it doesn't result in increased performance. /Thomas On Apr 21, 12:47 am, bildsoe <[email protected]> wrote: > Actually just had an idea, perhaps i could use project instead, don't > know if it is faster, but worth a try. Since all rays emittet is > inside the room, all lines will intersect/project onto some surface. > > /Thomas > > On Apr 21, 12:44 am, bildsoe <[email protected]> wrote: > > > > > I'm doing acoustic indicators for use in architecture, so there are > > quite a bit of irregular surfaces that cannot be substituted by > > planes. > > > It's 200 per line, 40 sec total - i remember playing Quake II just the > > same way :) > > > /Thomas > > > On Apr 20, 11:13 pm, visose <[email protected]> wrote: > > > > Can the surfaces be substituted by planes? That will really speed up > > > the intersect, but since you have 1400 surfaces, i doubt you can > > > substitute them (planes have no boundary). > > > > > The 40 sec result was for the > > > > RhUtil.RhinoCurveBrepIntersect and the IntersectSurface method took > > > > between 200-300 msec depending on how i defined the domain of the > > > > OnLine. > > > > 200 msec per line or total? If it's total, that's pretty much real- > > > time. > > > I remember playing Quake II with 200 msec ping (latency) before > > > broadband and i was able to deliver a fair amount of damage, of course > > > it required some really good predictions skills since you had to aim > > > where the other guy was going to be, not where he was. > > > > On Apr 20, 10:04 pm, bildsoe <[email protected]> wrote: > > > > > Thank you for the replies. > > > > > I think what phildavies is referring to is the disable redraw in > > > > Rhinoscript, as you said visose. It is however important for the > > > > project that it is done in Grasshopper. > > > > > I tried both RhUtil.RhinoCurveBrepIntersect and using the > > > > IntersectSurface method on an OnLine. The 40 sec result was for the > > > > RhUtil.RhinoCurveBrepIntersect and the IntersectSurface method took > > > > between 200-300 msec depending on how i defined the domain of the > > > > OnLine. > > > > > So i'm looking for alternatives. I thought about manually implementing > > > > some sort of intersecting mechanism, i found a paper on a method > > > > called "pruning" i think, but this is way over my head, and i don't > > > > even know if the results will be better than using the ones mentioned > > > > above. > > > > > /Thomas > > > > > On Apr 20, 5:10 pm, visose <[email protected]> wrote: > > > > > > > However, I have found that it runs almost > > > > > > instantly if I minimize rhino after I start the script. > > > > > > Have you tried disabling redraw? > > > > > > You can also create intersections between curves and surfaces in > > > > > vb.net. > > > > > Here's one method using > > > > > "RhUtil":http://en.wiki.mcneel.com/default.aspx/McNeel/IntersectCommandVB > > > > > > Another method is using the member function ".IntersectSurface" for > > > > > OnLine or OnCurve. > > > > > Here's an example using ".IntersectCurve", which is very > > > > > similar:http://en.wiki.mcneel.com/default.aspx/McNeel/SdkIntersectCurves > > > > > > As i understand it, the first method uses the rhino intersect and the > > > > > second method uses openurbs. > > > > > > On Apr 20, 4:29 pm, phildavis17 <[email protected]> wrote: > > > > > > > I have been using a rhino script to do the same thing, but with > > > > > > meshes > > > > > > rather than surfaces. It seems to take roughly the same amount of > > > > > > time that you describe. However, I have found that it runs almost > > > > > > instantly if I minimize rhino after I start the script. I don't > > > > > > know > > > > > > why this is the case, and I don't know how implementable this would > > > > > > be > > > > > > for a script in GH, but I'd give it a shot.- Hide quoted text - > > > > > > - Show quoted text -- Hide quoted text - > > > > - Show quoted text -- Hide quoted text - > > > - Show quoted text -- Hide quoted text - > > - Show quoted text -
