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The clipped_by
statement is technically an object modifier but it provides a type of CSG similar to CSG intersection. The syntax is:
- clipped_by
{
UNTEXTURED_SOLID_OBJECT... }
| clipped_by
{
bounded_by
}
Where UNTEXTURED_SOLID_OBJECT is one or more solid objects which have had no texture applied. For example:
object { My_Thing clipped_by{plane{y,0}} }
Every part of the object My_Thing
that is inside the plane is retained while the remaining part is clipped off and discarded. In an intersection
object the hole is closed off. With clipped_by
it leaves an opening. For example the following figure shows object A
being clipped by object B
.
An object clipped by another object.
You may use clipped_by
to slice off portions of any shape. In many cases it will also result in faster rendering times than other methods of altering a shape. Occasionally you will want to use the clipped_by
and bounded_by
options with the same object. The following shortcut saves typing and uses less memory.
object { My_Thing bounded_by { box { <0,0,0>, <1,1,1> } } clipped_by { bounded_by } }
This tells POV-Ray to use the same box as a clip that was used as a bounds.
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