PRT Loader Culling Distance

[JohnnyRandom]

The PRT Loader Culling Distance parameter is always active when the parameters checkbox is checked.

It seems this parameter should be disabled when Particle Culling is turned off.

[Bobo]

The PRT Loader Culling Distance parameter is always active when the parameters checkbox is checked.

It seems this parameter should be disabled when Particle Culling is turned off.

Not necessarily, as it can be used to acquire normals without culling.
But I get the point, when it does nothing, it should be grayed out.
Will look closer.

[JohnnyRandom]

Hmm ok I see, it was still affecting it though

Case:

Create a volume (sphere) create a PRT Volume add sphere and save particles

Create PRT Loader, load particle stream

Create Box the intersects the loader half way, create a selection set for the Cull Objects list

Goto the Cull parameters and choose the cull object selection set, enable the Culling Distance param

Move the Spinner and/or the PRT or box objects

Result: Object is culled box expanded bounds of the box object, when Culling is off

It is like some strange cull, it is kind of a cool bug, seems that is is taking the bounds of the cull object and expanding them and using that as a cull region.
max2010_PRT_L_Cullissue.zip (28.2 KB)

[Bobo]

I don’t see the problem. From the docs:
software.primefocusworld.com/sof … _Threshold

Culling By Distance Threshold

Available in Krakatoa v1.1.0 and higher

* Culling Dist - when the checkbox is checked, only particles within the given distance to the culling surface will be loaded.
      o When Culling is OFF but a valid selection set of culling volumes is specified, particles on BOTH sides of the culling surface within the specified threshold will be loaded.
      o When Culling is ON, only particles inside the culling volume AND within the threshold distance will be loaded.
      o When Culling is ON and INVERTED, only particles outside of the culling volume AND within the threshold distance will be loaded. 

So when Culling is off but Culling Dist is on, it removes particles that are farther than the culling surface on either side.
When Culling is on and Culling Dist is on, it culls on the one side only, depending on the Invert option…

As Designed

[JohnnyRandom]

Ahaa, ok, very good then

I triedd looking it up the other day to make sure before I posted this, but the link I had to the manual wasn’t working Works now, thankfully

Thanks for checking