Here you can adjust which part of the fluid you want to mesh. This feature comes in very handy when you have complex meshes, but you only want to see how your settings will affect parts of the mesh, not the entire polygon hull. To do this, simply activate “Bounded” and transform the viewport gizmo to your needs. Then, create the mesh inside this volume.
Build
This option tells RealFlow whether the mesh should be generated during the simulation process or not. We do recommend you set it to “No”, because meshing should always be a post process. There are so many settings that it would actually be impossible to create a convincing mesh on the fly simultaneously with the particle simulation.
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When this option is set to “No” the entire fluid will be meshed and you do not have access to the greyed out parameters below. With “Yes”, a helper gizmo appears in RealFlow's viewport that can be positionpositioned, scaled, and rotated. Only particles inside this box will be meshed.
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