Rendering学習日記

• python cgkit
• 2010.11.26 Friday

cgkitとPrmanを組み合わせる。どうも3Delightとprmanでは、RiPointの仕様がちがうようです。
3Delightのマニュアルはこちらになりますが、blobbyが使えて、遊べそうです。

さてさてPrmanだと以下の通りになります。

#point2.py - Create a simple Particle System

import random, math

import cgkit.cri

from cgkit.cgtypes import *

from random import uniform as ru





# Load the RenderMan API.

# Replace the library name with whatever renderer you want to use.

ri = cgkit.cri.loadRI("C:\Program Files (x86)\Pixar\RenderManProServer-14.4\lib\libprman")

cgkit.cri.importRINames(ri, globals())



points=[]

width=[]

colour=[]

normals=[]

pappend=points.append

wappend=width.append

cappend=colour.append

nappend=normals.append



for i in range(0,1500):

    for ix in range(0,3):

        cappend(ru(0,1))

        pappend(ru(-2,2))

        nappend(ru(0,1))

    wappend(ru(0.01,0.2))

    



RiBegin(RI_NULL)

RiImager("background", "color background",(.2,.4,.6))

RiDisplay ("point2_pr.tif","file","rgb",RI_NULL)

RiFormat(512, 384, -1.0)

RiPixelSamples( 4, 4)

RiShadingRate(1)

RiProjection ("perspective","fov",30,RI_NULL)

RiWorldBegin()

RiLightSource("ambientlight","intensity",0.4)

RiLightSource("distantlight", "from",[0,0,1])

RiTranslate(0,0,6)

RiSurface("plastic")

RiPoints("P",points,"Cs",colour,"width",width,"N",normals,RI_NULL)

RiWorldEnd()

RiEnd()

実行方法は、

>point2_pr.py |prman


ありがとうございます。調べて納得して、繰り返し繰り返しですね。

• -
• -