Addendum_81_US.pdf

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R8.1 ADDENDUM
2 Views and Viewports
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CINEMA 4D R8.1 ADDENDUM
3 Configuration
Preferences
Viewport
OpenGL Shading, p.54
New option: OpenGL Lighting
If this option is enabled, OpenGL will be used to light your scene instead of CINEMA 4D’s software
shading. This will usually result in faster display in the viewport. OpenGL lighting supports the following
features:
Environment Object
- Environment color
- Fog (3D view only)
Light
- Light types: Omni, Spot, Distance, Parallel
- Color and brightness
- The No Diffuse and No Specular options
Materials
- Luminance
- Specular, incl. Width and Height
- Specular Color
- Texture in the Color channel with Specular
Restrictions:
- Some light parameters are not supported.
- Only the first eight light sources are used.
✔
You can test the performance of your graphics card using CINEBENCH 2003, the free benchmarking
tool that is based on CINEMA 4D. CINEBENCH 2003 is included with the R8.1 update.
CINEMA 4D R8.1 ADDENDUM
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Import/Export
Shockwave 3D Export, p.66
Bones
You can now export any number of bones. However, only the nine most influential bones will be used per
point. The reference position of the bones will determine which bones have the most influence.
Lights
A maximum of eight lights can be used for the current view. Additional lights will be ignored.
VRML1 Import, VRML2 Import, Wavefront Import, p.75
These three import filters now have an additional option: Import Normals. So what is this new option for?
Some NURBS modeling applications tend to export mesh that is prone to software shading errors. With
the VRML 1, VRML 2 and Wavefront formats, you can now include vertex normals in the file (provided
that you have activated vertex normals in the modeling application). Vertex normals are normals for
points.
Depending on how many surfaces are involved, a point may even have several normals. With the help of
these vertex normals, CINEMA 4D is then able to produce good results despite the sub-optimal mesh. The
vertex normals are stores in a Normal tag, which is displayed in the Object manager:
These Normal tags enable the imported objects to be displayed and rendered correctly. Keep in mind
that if you edit the points of these imported objects, the Normal tags will no longer work properly and
the objects will be shaded incorrectly. However, you can move, rotate and scale the object as a whole
without ruining its shading. If you delete the Normal tag, the usual shading will be used instead.
6 Edit Menu
The drawing pipeline
Use Expressions, p.120
✔
You can also switch off XPresso expressions by clicking this icon.
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CINEMA 4D R8.1 ADDENDUM
7 Objects Menu
Lighting
Sun Light, p.297
Contrary to the description in the reference manual, north is represented by the positive Z-axis, south by
the negative Z-axis, east by the positive X-axis and west by the negative X-axis.
Managing your environment
Foreground Object, Background Object, p.383
You can now scale and move background pictures interactively, by adjusting the Offset and Length
settings in the Attribute manager (Texture tag selected).
Selection Object, p.386
When you create a Selection object, the objects that are currently selected will be assigned to it. This
gives you a new, third way to assign objects to a Selection object.
CINEMA 4D R8.1 ADDENDUM
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10 Structure Menu
Edge Melt
Using this new tool, you can ‘melt’ the shared edge of two neighboring triangles. This will convert the
triangles into a single quadrangle. If this quadrangle is non-planar, shading anomalies may appear in the
viewport. However, the anomalies will disappear when you render (the render engine treats each non-
planar quadrangle as two triangles).
New Phong Shading commands
Break Phong Shading
Phong shading is broken for the selected edges (see ‘Phong Tag’, later in this addendum). The Phong
tag’s Angle Limit option will be enabled automatically if it isn’t already.
Unbreak Phong Shading
Phong shading is restored for the selected edges. If you are not working in Edge mode, Phong shading
will be restored for all broken Phong edges.
Select Broken Phong Edges
Selects all broken Phong edges.
Structure Context Menu
Snap Settings, p.493
You can now switch snapping on or off without exiting the Spline mode. To do this, first assign a shortcut
for snapping in the Command manager. Then when you are working in Spline mode, press the shortcut
to toggle snapping on or off.
12 Plugins
FlashEx, p.514
FlashEx has been optimized. It now offers faster export and uses less memory. In addition, FlashEx is
better able to cope with high numbers of polygons and defective polygons.

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