Q109：用PBRT渲染Blender导出的模型 （2）

前续：Q109：用PBRT渲染Blender导出的模型

这里只是小编自己练习用Blender建模的笔记。

还是参考：台湾大神的blender教程全集
对应内容是其中“小狗玩具模型”部分。

理论部分和“前续”是一样的，后面主要是小编看视频学习时做的笔记。还有就是，将模型导出后，用PBRT渲染时的脚本机器输出图形。

笔记

PBRT脚本

#sharp.pbrt -- a simple pbrt input file that displays a cone, sphere#              and refletive plane#Richard P. Sharp - CIS782 Fall 2004#first we set up the eyeLookAt 1 5 10   0 0 -3  0 1 0 #ex ey ez lx ly lz ux uy uz#the cameraCamera "perspective" "float fov" [30]#this is the filter used for antialiasingPixelFilter "mitchell" "float xwidth" [2] "float ywidth" [2]#name the fileFilm "image" "string filename" ["doggie.exr"]     "integer xresolution" [400] "integer yresolution" [400]Sampler "sobol" "integer pixelsamples" [64]Integrator "directlighting"#begin describing sceneWorldBegin#light sourceAttributeBegin  CoordSysTransform "camera"  LightSource "distant"               "point from" [0 0 0] "point to"   [0 0 1]              "color L"    [3 3 3]AttributeEnd#transform the worldAttributeBegin  Translate 0 -1 0  Rotate 35 0 1 0  AttributeBegin    Scale 1.5 1.5 1.5    Translate 1.5 1.5 -1.5    Rotate -90 0 1 0    Material "plastic" "color Kd" [.4 .2 .2] "color Ks" [.5 .5 .5]        "float roughness" [.025]    Shape "plymesh" "string filename" "geometry/mesh_00001.ply"   AttributeEnd  AttributeBegin    Scale 1.5 1.5 1.5    Translate 1.5 1.5 -1.5    Rotate -90 0 1 0    Material "plastic" "color Kd" [.4 .2 .2] "color Ks" [.5 .5 .5]        "float roughness" [.025]    Shape "plymesh" "string filename" "geometry/mesh_00002.ply"   AttributeEnd  AttributeBegin    Scale 1.5 1.5 1.5    Translate 1.5 1.5 -1.5    Rotate -90 0 1 0    Material "plastic" "color Kd" [.4 .2 .2] "color Ks" [.5 .5 .5]        "float roughness" [.025]    Shape "plymesh" "string filename" "geometry/mesh_00003.ply"   AttributeEnd  AttributeBegin    Scale 1.5 1.5 1.5    Translate 1.5 1.5 -1.5    Rotate -90 0 1 0    Material "plastic" "color Kd" [.4 .2 .2] "color Ks" [.5 .5 .5]        "float roughness" [.025]    Shape "plymesh" "string filename" "geometry/mesh_00004.ply"   AttributeEnd  #define a reflective ground plane  AttributeBegin    Scale 20 20 20    Material "matte" "color Kd" [0.1 1 1]    #this is a triangle mesh, the first set of points define four xyz     #coordinates, the second set defines the mesh by indexing into    #those points    Shape "trianglemesh" "point P" [ -1 0 -1  1 0 -1  1 0 1  -1 0 1 ]      "integer indices" [ 0 1 2 2 3 0 ]  AttributeEndAttributeEndWorldEnd

输出图形

45度角：

90度角：

丑晕了啦，对不起大神的教学视频。

原图：