Rendering学習日記

• NVIDIA Gelato
• 2009.11.15 Sunday

以下、POV-Rayチュートリアルを参考にNVIDIA Gelatoでつくりました。
ありがとうございます。
これだけで大丈夫　「情報」におけるグラフィック
http://izumi-math.jp/sanae/cg/pov/pov.htm

【第１回】最初のシーンファイル
例題１　基本の３要素
立方体を作成せよ。

#box_kore1.pyg

Output ("box_kore01.tif", "tiff", "rgb", "camera", "float gain", 1, "float gamma",

 1, "string filter", "gaussian", "float[2] filterwidth", (2, 2))

Attribute ("string projection", "perspective")

Attribute ("float fov", 10)

Attribute ("int[2] resolution", (320, 240))

#placecam 0 0 -10 0 0 0

#Rotate (-19.47, 1.00, 0.00, 0.00)

#Rotate (45.00, 0.00, 1.00, 0.00)

Translate (0.00, 0.00, 10.00)

World ()

Light ("light1", "pointlight", "float intensity", 1000, "point from", (-10, 3, -20))



PushTransform ()

Attribute ("color C", (1, 0, 0))

Shader ("surface", "plastic")

Input ("BoxGeom.rib")

PopTransform ()



Render()

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• NVIDIA Gelato
• 2009.11.15 Sunday

例題２　図形の変換(1)　回転
例題１の立方体を回転させよ。

回転した表示が微妙に違います。
rotate <-30,20,0>
X軸、Y軸の順番だと思いましたが、
クォータニオン、オイラー角など
少し厳密にやらないといけないかな。
ありがとうございます。

#box_kore2.pyg

Output ("box_kore02.tif", "tiff", "rgb", "camera", "float gain", 1, "float gamma",

 1, "string filter", "gaussian", "float[2] filterwidth", (2, 2))

Attribute ("string projection", "perspective")

Attribute ("float fov", 10)

Attribute ("int[2] resolution", (320, 240))

#placecam 0 0 -10 0 0 0

#Rotate (-19.47, 1.00, 0.00, 0.00)

#Rotate (45.00, 0.00, 1.00, 0.00)

Translate (0.00, 0.00, 10.00)

World ()

Light ("light1", "pointlight", "float intensity", 800, "point from", (-10, 3, -20))

Light ("light2", "pointlight", "float intensity", 350, "point from", (10, 10, -10))



PushTransform ()

Attribute ("color C", (1, 0, 0))

Shader ("surface", "plastic")

Rotate (20,0,1,0)

Rotate (-30,1,0,0)

Input ("BoxGeom.rib")

PopTransform ()



Render()

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• NVIDIA Gelato
• 2009.11.15 Sunday

「これだけで大丈夫　「情報」におけるグラフィック」を参考にNVIDIA Gelatoでつくりました。
ありがとうございます。
http://izumi-math.jp/sanae/cg/pov/pov_2.htm

【第２回】よりリアルなシーンファイル
例題３　背景と地面
　例題２のシーンに背景と地面を入れよ。

#box_kore3.pyg

Output ("box_kore03.tif", "tiff", "rgb", "camera", "float gain", 1, "float gamma",

 1, "string filter", "gaussian", "float[2] filterwidth", (2, 2))

Attribute ("string projection", "perspective")

Attribute ("float fov", 20)

Attribute ("int[2] resolution", (320, 240))

#placecam 0 0 -10 0 0 0



Translate (0.00, 0.00, 10.00)



Attribute ("string geometryset", "+shadows")



World ()

Light ("light1", "pointlight", "float intensity", 800, "point from", (-10, 3, -20),"string shadowname", "shadows")

Light ("light2", "pointlight", "float intensity", 300, "point from", (10, 10, -10))



PushTransform ()

Attribute ("color C", (0.2, 0.4, 0.75))

Sphere (100, -100, 100, 360)

PopTransform ()



PushTransform ()

Attribute ("color C", (1, 0, 0))

Shader ("surface", "plastic")

Rotate (20,0,1,0)

Rotate (-30,1,0,0)

Input ("BoxGeom.rib")

PopTransform ()



PushTransform ()

Translate (0.00, -1.0, 0.00)

Rotate (90.00, 1.00, 0.00, 0.00)

ShaderGroupBegin ()

Attribute ("color C", (1, 1, 1))

Shader ("surface", "checker", "checklayer","float stilesize",0.05,"float ttilesize",0.05,"color color2", ( 0.0, 1, 0.0 ))

Shader ("surface", "plastic", "plasticlayer")

ConnectShaders ("checklayer", "Cout", "plasticlayer", "C")

ConnectShaders ("checklayer", "fout", "plasticlayer", "Ks")

ShaderGroupEnd ()

Input("PlaneGeom.rib")

PopTransform ()



Render()

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