importing a file to sop by alembic node in Houdini.
but I can't override the file from another software again.

You mean overwrite the file?

On Windows, alembic files are opened with a lock to prevent overwriting. On linux it does not, but Houdini will probably crash if you do.

It's best to save a new file, or close Houdini first.

jsmack
You mean overwrite the file?

On Windows, alembic files are opened with a lock to prevent overwriting. On linux it does not, but Houdini will probably crash if you do.

It's best to save a new file, or close Houdini first.

in 3ds max, vray proxy can load alembic, and houdini can overwrite the alembic file without any problem, so it can be done in windows

windwolfx23
in 3ds max, vray proxy can load alembic, and houdini can overwrite the alembic file without any problem, so it can be done in windows

then it isn't streaming the alembic. houdini opens alembics for display by streaming them to the gpu. This creates an open file handle that windows considers as locking it.

Houdini has an internal Alembic cache. To clear the cache and release the file handle, you can run the following: