9.5.2

190 • CHAPTER 7
OBJECTS MENU • PRIMITIVES • 191
Radius
Use this to dene the size of the sphere.
Segments
Denes the degree of the subdivision of the sphere. The sphere is divided along its latitude and
longitude. However, like any other parametric object, until you convert a sphere into a polygon
object with Make Editable, a sphere is always generated by calculation, no matter by how much you
subdivide it.
Original sphere (center), segments set to 6 (left)
and original sphere made editable (right).
Type
With this drop-down list you choose of which surfaces, and in which arrangement, a sphere is to be
composed. With Standard the sphere surface is made up of triangles and quadrangles, Hexahedron
uses only quadrangles and Icosahedron only triangles, whereas “Hemisphere” will create a standard
hemisphere, open at the bottom.
Render Perfect
If you enable this option, a perfect sphere is generated by the math (if the sphere was not already
distorted or deformed). This type of sphere has the advantage that it looks truly round and smooth.
In addition, it renders faster than a polygon sphere.
The Perfect Sphere stays perfect only as long as the object is not distorted
(e.g. by scaling about an axis). If the Perfect Sphere is distorted it is converted
to a polygon object before rendering. It then uses the number of segments
dened on the Object Properties page.