I suggest before simulating for hours/days try a test first with Fetchs. Select the last node, click on the purple flag, choose Node by node in the Order option. Keep in mind that you have to select the render(parm) (when you click the + icon near the filecache it is visible)option of the filecaches not the filecache itself. You can place as many Fetch ROPs as you need, plug them into each other step by step (for example you shouldn't plug the white water before the flip sim since the white water is based on the flip particles.) You need to select the file cache's of your simulations inside the Fetch ROPs source. If you want the Flip sim to simulate particles then turn it into a mesh, then simulate the white water step by step you can use the Fetch node inside ROPs. But it shouldn't be that big of a burden since you have to export mesh and whitewater, which means just two alembic files. I am not sure if you can export the mesh and white water together into one alembic. Again try with a simple object from Blender, like a box or a sphere. Happy that Space+G is useful but sorry to hear that the alembic is nowhere to be found. maybe I'll also figure that one out and update this post, but if anyone has some help to offer in the meantime, that'd be great! I was placing the alembic ROP output after the merge node in the white_water import network, but it had to be placed right after the "import_whitewater" node, the first one of the network So really now I am just having troubles importing an alembic in houdini from blender. To export the alembic it was enough to select the option "render frame range" in the ROP alembic output node EDIT2: I also managed to export the white water. EDIT: I managed to export the fluid surface as alembic, but I am still having some trouble with the whitewater particles. I also created a simple fluid sim in houdini (I'll probably have more questions here later!) and I am now trying to export it in blender with alembic. I tried importing an alembic from blender to houdini and the file seems empty, although when I try to import the alembic in back in blender all seems fine. my problem is about importing-exporting alembics. I have fiddled with houdini apprendice before a few times, but I consider myself ahoudini total beginner. I am new here, yesterday I bought a one year license for houdini indie because I would like to use it for fluid sims together with blender.
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