Softimage Nvidia Flex
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Flex to Si
updated March 2023 — (from the zip's readme) Flex to Si is a connector to Flex (NVidia's hardware accelerated physics framework).
Not all flex features are enabled, only calculation of fluids and their collision
with static and dynamic geometry.
Installation : put in the same directory e.g. c:\Users\alex\Autodesk\Softimage_2015_R2-SP2\Application\Plugins\nt-x86-64\flextest\ Needs DirectX!!!
Configurable parameters include (see the archive readme for some more explanation): Fluid Mode, Max Particles, Substeps, NumIterations, Speed, Max Particle Speed, Fluid Resolution Multiplier, Fluid resolution, Collision distace, Rest offset, Shape collision margin, Particle collision margin, World Gravity, Adhesion Strength, Cohesion Force, Surface Tension, Viscosity, Vorticity, Dynamic Friction, Static Friction, Particle Friction, Drag, Lift, Damping, Static triangle mesh, Static SDF mesh, Kinematic substeps, Kinematic triangle mesh, Plane Null, Use Ground Plane.
local backup: flex_to_xsi_2.06_1_17_2023.zip
Installation : put in the same directory e.g. c:\Users\alex\Autodesk\Softimage_2015_R2-SP2\Application\Plugins\nt-x86-64\flextest\ Needs DirectX!!!
Configurable parameters include (see the archive readme for some more explanation): Fluid Mode, Max Particles, Substeps, NumIterations, Speed, Max Particle Speed, Fluid Resolution Multiplier, Fluid resolution, Collision distace, Rest offset, Shape collision margin, Particle collision margin, World Gravity, Adhesion Strength, Cohesion Force, Surface Tension, Viscosity, Vorticity, Dynamic Friction, Static Friction, Particle Friction, Drag, Lift, Damping, Static triangle mesh, Static SDF mesh, Kinematic substeps, Kinematic triangle mesh, Plane Null, Use Ground Plane.
local backup: flex_to_xsi_2.06_1_17_2023.zip
Re: Softimage Nvidia Flex
The dll libraries from 2.06 are relatively new and they don't work with PCTools. PCTools uses older dll versions. In fact, the PCTools build was just missing a few dlls. This may be because the author of PCTools had a C++ project configured so that not all the necessary libraries were in one place (like mine).
Re: Softimage Nvidia Flex
Ah !mr_alca wrote: ↑04 Aug 2023, 23:24 The dll libraries from 2.06 are relatively new and they don't work with PCTools. PCTools uses older dll versions. In fact, the PCTools build was just missing a few dlls. This may be because the author of PCTools had a C++ project configured so that not all the necessary libraries were in one place (like mine).
I thought you were saying the opposite !
( that pcTools worked by adding 2.06 dlls to it's folder )
so if I got you right, flex 2.06 can be installed concurrently with PCTools that has flex 2.05 DLL's added to it ?
I didn't try reinstalling Flex after uninstalling everything Flex related, and installing PcTools,
so I'll try to reinstall Flex 2.06
Re: Softimage Nvidia Flex
Hi Mr.Alca,
I can corroborate / confirm everything that you said !
So if anybody wants, here's a pcTools
( with all required DLL libraries & "VizUpdated" sample scenes )
also along with latest flexFluids 2.06
( all working without having to mess-around copying files )
pcTools-with-Flex-2.06.zip
( extract in your "Addons" folder, and the samples where you want )
And here's also some documentation for Flex itself,
https://gameworksdocs.nvidia.com/FleX/1 ... anual.html
... and 1.10 + 1.20 release notes
https://gameworksdocs.nvidia.com/FleX/1 ... notes.html
Fluids in 1.20 ( the version in SItoFlex 2.06 ) should have more reliable deforming obstacles, and other things. ( if exposed )
Cheers !
Re: Softimage Nvidia Flex
Thanks again!FXDude wrote: ↑10 Aug 2023, 22:16Hi Mr.Alca,
I can corroborate / confirm everything that you said !
So if anybody wants, here's a pcTools
( with all required DLL libraries & "VizUpdated" sample scenes )
also along with latest flexFluids 2.06
( all working without having to mess-around copying files )
pcTools-with-Flex-2.06.zip
( extract in your "Addons" folder, and the samples where you want )
And here's also some documentation for Flex itself,
https://gameworksdocs.nvidia.com/FleX/1 ... anual.html
... and 1.10 + 1.20 release notes
https://gameworksdocs.nvidia.com/FleX/1 ... notes.html
Fluids in 1.20 ( the version in SItoFlex 2.06 ) should have more reliable deforming obstacles, and other things. ( if exposed )
Cheers !
Re: Softimage Nvidia Flex
Hi,
I need some help..
I'm trying to simplify (sort of) the SItoFlex scenes Pedrito gave us and I'm stuck animating a pin constraint with a cloth or softbody. I'm looking for something similar to XSI's Syflex constraints.
Any advice is much appreciated.
Thx!
I need some help..
I'm trying to simplify (sort of) the SItoFlex scenes Pedrito gave us and I'm stuck animating a pin constraint with a cloth or softbody. I'm looking for something similar to XSI's Syflex constraints.
Any advice is much appreciated.
Thx!
Re: Softimage Nvidia Flex
Hi !
sorry about the delay, I found where the pins were defined in the "FLEX_POURING_CLOTH.scn" sample scene ,
---> by a weightmap on the cloth modeling stack
but couldn't find where they were referenced-back in !
Yet I eventually found the weightmap reference in the "PC_Flex Object Data to Array" node in the pointcloud modeling stack
( see selected nodes in picture )
So to animate pins ... the weightmap could perhaps be defined by little spheres that set weightmap values to 1 for the points inside the spheres ?
It also goes without saying that the node setups for "multiphysics" can be somewhat more involving relative to the very simple "flexToXSI" single node for fluids,
yet also aren't -that- bad to figure-out.
In any event, let us know, & cheers !
Re: Softimage Nvidia Flex
Hi FXDude,
Thanks a lot for the tips. I've had quite a busy time and haven't had time to do any more research.
Thank you very much once again for the answer. I'll be back as soon as I find something
Thanks a lot for the tips. I've had quite a busy time and haven't had time to do any more research.
Thank you very much once again for the answer. I'll be back as soon as I find something
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