Rendering学習日記

• Metasequoia
• 2010.09.14 Tuesday

メタセコイアのPythonを使ってUVマップ座標を算出、RIBのst座標として記述した。また3Delightでレンダリングするので、テクスチャを変換。

MakeTexture "grade.tif" "grade.tdl" "periodic" "periodic" "gaussian" 1 1


以下、サンプルRIBです。ライトが明るすぎてテクスチャが白くなりすぎていました。

##Renderman RIB-Structure 1.0

Display "men.tif" "file" "rgba"

Display "+men.tif" "framebuffer" "rgba"



Format 640 480 1

PixelSamples 4 4

PixelFilter "catmull-rom" 3 3

ShadingRate 1



Imager "background" "background" [0.500 0.500 0.600]



Sides 1

Orientation "lh"

Projection "perspective" "fov" [9.52728338145235]

Rotate -40.8862682605356 1 0 0	# pich

Rotate 52.9183819582828 0 1 0	# head

Translate -90.469199 -98.183947 68.375702

Scale 0.1 0.1 0.1

WorldBegin

	Attribute "visibility" "trace" [1]

	Attribute "visibility" "transmission" ["Os"]

	Attribute "visibility" "transmission" "opaque"

	Attribute "light" "shadows" "on"

	Attribute "trace" "displacements" [1]

	LightSource "ambientlight" 0 "intensity" [ 0.1 ] "lightcolor" [ 1 1 1 ]

	LightSource "distantlight" 1 "intensity" [ 3 ] "lightcolor" [ 1 1 1 ] "from" [ -1 1 -1 ] "to" [ 0 0 0 ]

	LightSource "distantlight" 2 "intensity" [ 3 ] "lightcolor" [ 1 1 1 ] "from" [ 1 1 2.5 ] "to" [ 0 0 0 ]

	ReadArchive "men_mdl.rib"

WorldEnd

##Renderman RIB-Structure 1.0

## filename: men_mdl.rib



MakeTexture "grade.tif" "grade.tdl" "periodic" "periodic" "gaussian" 1 1

AttributeBegin

Attribute "identifier" "name" ["obj1"]

	Declare "st" "facevarying float[2]"

	### MaterialName: Default

	Surface  "supertexmap"  "string Csmapname" "grade.tdl" 

	#Surface "paintedplastic" "uniform float Ks" 0.5 "uniform float Kd" 0.5

    #"uniform float Ka" 1 "uniform float roughness" 0.1 "uniform color specularcolor" [1 1 1] "uniform string texturename" "grade.tdl"

	PointsPolygons

		[3 3 3 3]

		[0 1 2 0 2 3 4 5 2 4 2 1]

		"P" [50.000000 0.000000 100.000000 

50.000000 20.000000 0.000000 

-50.000000 20.000000 0.000000 

-50.000000 0.000000 100.000000 

50.000000 0.000000 -100.000000 

-50.000000 0.000000 -100.000000]

		"N" [0.000000 0.980581 0.196116 

0.000000 1.000000 0.000000 

0.000000 1.000000 0.000000 

0.000000 0.980581 0.196116 

0.000000 0.980581 -0.196116 

0.000000 0.980581 -0.196116]

		"st" [0.9982 -0.0019 

0.9982 0.4789 

0.5174 0.4789 

0.9965 -0.0001 

0.4965 0.4905 

0.4965 -0.0001 

0.9916 0.9968 

0.4916 0.9968 

0.4916 0.4905 

0.9965 0.9968 

0.4965 0.4905 

0.9949 0.4889]

AttributeEnd

何とかなりそう。面白いです。ありがとうございます。

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