Preview Faces – Allows you to specify how many faces are going to be used to show a preview of the proxy in the viewport. Starting Object Path – Allows you to specify a starting path in the Alembic file; only objects below that path are rendered. The path may start with ABC/ or it may be omitted. Instancing – When enabled, if there are multiple instances of an object it is loaded once and the memory is reused. Recompute Bounding Box – Enabling this check box forces V-Ray to recompute the bounding box for the geometry before rendering. When this is off, V-Ray uses the bounding box specified in the Alembic file. However, sometimes these bounding boxes are not correct, and in that case the rendering is also incorrect. To avoid such issues, enable this option. Note that this option might slow down the rendering. Compute Normals – This option allows you to force smooth normals on the geometry in case they are not originally smoothed. Smooth Angle – When the Compute normals option is enabled, this specifies the angle, below which normals are smoothed. Flip Normals – Reverses the direction of the normals. Hair Width Multiplier – This multiplier allows you to control the hair width during rendering. Particle Width Multiplier – Controls the size of the particles when rendering. Velocity Multiplier – Controls the length of the motion blur when rendering.
Geometry
Subdivide All Meshes – Subdivide the meshes before rendering using the OpenSubdiv library. Subdiv Type – Subdivision Level – The number of subdivision levels. Subdivide UVs – Allows you to choose whether or not the UVs of the object are subdivided at the borders. Preserve Geometry Borders – Specifies whether geometry borders are preserved or not. Preserve Map Borders – Specifies how to handle subdivisions of UV coordinates at UV seams, when Subdivide UVs is enabled. The possible values are: None – UVs are always subdivided, regardless of whether they are on a UV seam or not. Internal – Only preserve UVs if they are on an internal UV seam. All – Does not subdivide UVs on UV seams. Use Alembic Transform –
Layers
The Alembic layers feature allows modification of a selected alembic proxy by adding layer files on top of it. Each layer transforms the proxy with a different set of properties. These transformations include adding properties to a shape (e.g. UV mapping of an object that has no UVs), overriding properties, adding new objects, pruning objects or properties, replacing an object's (or properties') hierarchy with a new one, etc. You can combine different cache files. Whenever the same object is found in a layer, all of its properties are considered.
|