Rendering学習日記

• RenderMan
• 2011.11.07 Monday

ri.Begin()の後にOptionのsearchpathは書かないとだめ。
てっきり前に書くもんだと思い込み。

A00002 {WARNING} Unknown unqualified RiOption context: searchpath.

以下は、参考スクリプト

# set PYTHONPATH=C:\Python25;C:\Python25\Scripts;%RMANTREE%\bin # this is where prman.py lives 

import prman

ri = prman.Ri() # create an instance of the RenderMan interface

rendertarget = "helloworld.rib"

ri.Option("rib", {"string asciistyle": "indented"})



ri.Begin(ri.RENDER)  # set rendertarget to ri.RENDER to render pixels

ri.Option("ribparse", {"string varsubst":["$"]})

ri.Option("searchpath", {"string shader": "RC:&"})



#ri.Imager ("background", {"color color":(.2, .4, .6)}) 

ri.Display("teapot4.png", "framebuffer", "rgb")

ri.Format(512,480,1)

ri.Projection(ri.PERSPECTIVE, {ri.FOV: 45}) # standard Ri tokens are available

ri.ShadingRate(0.25)

#ri.Translate(0,0,10)

ri.Rotate(-33.69, 1.00, 0.00, 0.00)

ri.Translate(0.00, -4.00, 8)

ri.WorldBegin()



ri.LightSource("shadowdistant",{ri.HANDLEID:"2", "from": [ -10, 10, -10], "to": [ 0, 0, 0], "intensity":[2.0], "string shadowname": ["raytrace"]}) 

#ri.LightSource( "pointlight",{ri.HANDLEID:"1","from": [-10, 10, -10], "intensity" :[300]})

#ri.LightSource( "pointlight",{ri.HANDLEID:"2","from": [10, 10, -10], "intensity" :[300]})

#ri.LightSource( "pointlight",{ri.HANDLEID:"3","from": [-10, -10, -10], "intensity" :[300]})



ri.AttributeBegin()

size=20.0

ri.Attribute( "visibility", {"trace": [1]})

ri.Attribute( "visibility", {"int transmission": [0]})

ri.TransformBegin()

ri.Color(( .2773, .2855, .6679))

ri.Surface( "DPCloudPlane")

ri.Sphere(size, -size, size,360)

ri.TransformEnd()

ri.AttributeEnd()



ri.AttributeBegin()

ri.Attribute( "visibility", {"trace": [0]})

ri.Attribute( "visibility", {"int transmission": [1]})

ri.TransformBegin()

ri.Color(( 0.9, 0.9, 0.9))

ri.Surface( "shinymetal", {"string texturename": ["raytrace"]})

#ri.Translate( 1, 0, 0)

ri.Translate( -1, -2, 0)

ri.Rotate( -90, 1, 0, 0)

ri.Geometry("teapot")

ri.TransformEnd()

ri.AttributeEnd()



ri.AttributeBegin()

size=1.0

ri.Attribute( "visibility", {"trace": [1]})

ri.Attribute( "visibility", {"int transmission": [1]})

ri.TransformBegin()

ri.Color(( 1, 0.1, 0))

ri.Surface( "plastic")

ri.Translate( 1, -1, -3)

ri.Rotate( -90, 1, 0, 0)

ri.Sphere(size, -size, size,360)

ri.TransformEnd()

ri.AttributeEnd()





ri.AttributeBegin()

ri.Attribute( "visibility", {"trace": [1]})

ri.Attribute( "visibility", {"int transmission": [1]})

ri.TransformBegin()

face=[-5,-2,-5, 5,-2,-5,-5,-2,5, 5,-2,5]

ri.Color(( 0.99, 0.99, 0.99))

#ri.Surface( "checker", {"float Kd":[0.5],"float Ka":[0.1], "float frequency":[6.0], "color blackcolor":[0.2,0.8,0.5]})

ri.Surface( "blue_marble")

ri.Patch("bilinear",{'P':face})

ri.TransformEnd()

ri.AttributeEnd()



ri.WorldEnd()

ri.End()

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