| 顶点数据(Vertex data) |
几何体顶点(Geometric vertices) |
v |
| |
纹理坐标(Texture vertices) |
vt |
| |
顶点法线(Vertex normals) |
vn |
| |
参数空格顶点(Paramter space vertices) |
vp |
| 自由形态曲线(Free-form curve)/表面属性(surface attributes) |
度(degree) |
deg |
| |
基础矩阵(Basis matrix) |
bmat |
| |
步尺寸(Step size) |
step |
| |
曲线或表面类型(curve or surface type) |
cstype |
| 元素(Element) |
点(Point) |
p |
| |
线(line) |
l |
| |
面(Face) |
f |
| |
曲线(curve) |
curv |
| |
2D曲线(2D curve) |
curve2 |
| |
表面(surface) |
surf |
| 自由形态曲线(Free-form curve)/表面主体陈述(surface body statements) |
参数值 (Parameter values ) |
parm |
| |
外部修剪循环 (Outer trimming loop) |
trim |
| |
内部整修循环 (Inner trimming loop) |
hole |
| |
特殊曲线 (Special curve) |
scrv |
| |
特殊的点 (Special point) |
sp |
| |
结束陈述 (End statement) |
end |
| 自由形态表面之间的连接(Connectivity betweenfree-form surfaces) |
连接 (Connect) |
con |
| 成组(Grouping) |
组名称 (Group name) |
g |
| |
光滑组 (Smoothing group) |
s |
| |
合并组 (Merging group) |
mg |
| |
对象名称 (Object name) |
o |
| 显示(Display)/渲染属性(render attributes) |
导角插值 (Bevel interpolation) |
bevel |
| |
颜色插值 (Color interpolation) |
c_interp |
| |
溶解插值 (Dissolve interpolation) |
d_interp |
| |
细节层次 (Level of detail) |
lod |
| |
材质名称 (Material name) |
usemtl |
| |
材质库 (Material library) |
mtllib |
| |
投射阴影 (Shadow casting) |
shadow_obj |
| |
光线跟踪 (Ray tracing) |
trace_obj |
| |
曲线近似技术 (Curve approximation technique) |
ctech |
| |
表面近似技术 (Surface approximation technique) |
stech |