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So...I´m back for more ocean stuff...
We finished our project in time and the client was quite pleased with the result - as were we.
But of course, due to the time constraints, some things need to be corrected.
The biggest issue was with the closeup shots - fluids that look pretty good from a distance suddenly look very "blobby" and thus make the scale look wrong.
The reason for this must be the cell size - at the size of our moving grids we have something like 5 cm with 50m cells.
I know I can´t simply increase the resolution, because the cell count rises exponentially but the cell size doesn´t shrink exponentially.
So my solution would be to simply use a way smaller grid for the close up shots with smaller cell size and then blend the two fluids in post.
I was just wondering, if it would be possible to connect the two fluids and make them interact and thus saving me the trouble of blending in post?
I know it´s possible to create cascading setups (like for a waterfall), what I´m wondering is:
A) Do the grids need to have the same resolution?
B) Do the inertial forces interfere when for example I have one grid moving with the obect (Boat) and another grid stationary covering a target area?
C) How exactly would I need to set those grids up? Can´t find the tutorial for the waterfall right now.
We finished our project in time and the client was quite pleased with the result - as were we.
But of course, due to the time constraints, some things need to be corrected.
The biggest issue was with the closeup shots - fluids that look pretty good from a distance suddenly look very "blobby" and thus make the scale look wrong.
The reason for this must be the cell size - at the size of our moving grids we have something like 5 cm with 50m cells.
I know I can´t simply increase the resolution, because the cell count rises exponentially but the cell size doesn´t shrink exponentially.
So my solution would be to simply use a way smaller grid for the close up shots with smaller cell size and then blend the two fluids in post.
I was just wondering, if it would be possible to connect the two fluids and make them interact and thus saving me the trouble of blending in post?
I know it´s possible to create cascading setups (like for a waterfall), what I´m wondering is:
A) Do the grids need to have the same resolution?
B) Do the inertial forces interfere when for example I have one grid moving with the obect (Boat) and another grid stationary covering a target area?
C) How exactly would I need to set those grids up? Can´t find the tutorial for the waterfall right now.
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