You can think of it this way: "Put cache #( Cache Origin ) on timeline frame #( Timeline Origin )".
You can think of it this way: "Put cache #( Cache Origin ) on timeline frame #( Timeline Origin )".Ĭache Origin | inpoffset – An offset specifying which cache file from the sequence will be placed on the timeline at frame Timeline Origin. Timeline Origin | playat – An offset specifying which timeline frame the starting cache will be placed on. In Loop mode this parameter shows the loop length.Īuto Origin | autoOrigin – When enabled, if there are any loaded cache files, automatically set the Timeline Origin and the Cache Origin to the first frame of the cache sequence, so changing the Play Speed will stretch the sequence relative to this frame. In Linear mode, when this parameter is larger than 0, the sequence length is limited to its value. Play Length | inplength – The duration in timeline frames. Note that Play Speed is not keyable - you should switch to Cache Index mode and animate the Direct Cache Index. If you want to blend particles, you must have exported their ID channel during simulation (this can be done from the PHX Source or Foam/ Splash rollouts, depending on the way you create your particles). If the play speed is not exactly 1.0, frames will be blended between by using the method specified by the Grid Blend parameter. Value of 1 means that each timeline frame corresponds exactly to one cache file index.
Play Speed | play_speed – A multiplier for the playback speed. Can be animated in order to achieve more interesting time-bend effects. When looping particles, make sure to export the particle ID channel in the Output rollout.ĭirect Cache Index | t2f – Used in Cache Index mode, specifies the cache file index for the current timeline frame. Note that you need to have simulated at least Cache Origin + Length + Loop Overlap cached frames for this mode to work correctly. In this mode, the Cache Origin parameter specifies the beginning of the looped sequence, the Lengthparameter specifies the length of the loop, and Loop Overlap specifies the number of overlapped frames that ensure smooth transition between the end and the start of the loop. Can be used for flowing and repeated effects such as fireplaces, campfires or torch fires, water in fountains, waterfalls or boiling liquid. Loop – A specified piece of the simulated sequence is looped. Can be used to either show a static simulation, or the Direct Cache Index can be animated in case you want varying play speed, including playing the simulation backwards. Cache Index– The Direct Cache Index specifies which cache file will be loaded for the current timeline frame. The cache sequence is played with a constant speed and can be offset forward or backward on the timeline, as well as sped up or slowed down. Mode | animmode – Chooses between different options for animation control: Some of the settings in this section might require specific grid or particle channels to be saved to the cache files during simulation from the Output rollout. We will refer to the process of creating an intermediate frame from two caches as Blending. When retiming an existing simulation from this section without re-simulating, additional RAM might be used, and loading a new timeline frame may take longer when the frame must be obtained by creating a new one between two adjacent cache files. Using these, you can speed up, slow down or animate the motion of the simulated sequence. This section contains playback options you can use for retiming a simulation after it has already finished. See the Channel Mappings section below for more information. It launches the Channel Mappings dialog for mapping 3rd party cache channels.
#Houdini viscosity index full
Show File Name. – Evaluates the full disk path provided to the Simulation Cache Save Path parameter.ģrd Party Channel Mappings. – This option is available when a.
Reset to Default – Resets the cache path to the default value of $(same_as_output).
#Houdini viscosity index how to
See How to import and render simulations from FumeFX, Houdini and Maya.
#Houdini viscosity index software
Phoenix can import *.f3d and *.vdb files from other fluid simulator software products.
Browse – Opens a dialog for choosing one of several cache file types.
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