Rendering学習日記

FramBegin〜Endを使ってAqsisサンプルのSoftshadowをguile-rmanで生成してみました。

#!/usr/bin/guile -s

!#

(use-modules (rman rispec))

(use-modules (rman utilities))



(RiBegin "illum3.rib")

;;(RiOption "limits" (list "bucketsize" #f32(32 32)))

(RiOption "limits" (list "eyesplits" 10))

(RiDeclare "bias" "float")

(RiHider "hidden" (list "depthfilter" "midpoint"))

(RiDisplay "softshadow.zfile" "zfile" "z")

(RiClipping 0.01 10)

(RiSides 2)

  (RiFormat 512 512 1)

  (RiPixelFilter RiBoxFilter 2 2)

(RiPixelSamples 1 1)

(RiShadingRate 2)



(RiFrameBegin 1)

(RiProjection "perspective" '("fov" 57.30))

(RiRotate -35.26 1.00 0.00 0.00)

(RiRotate 45.00 0.00 1.00 0.00)

(RiTranslate -5.00 -5.00 5.00)



(RiWorldBegin)

  (RiSurface "null")

  (RiSphere 1 -1 1 360)

(RiWorldEnd)

(RiFrameEnd)



(RiMakeShadow "softshadow.zfile" "softshadow.shad")





(RiDisplay "illum3.tif" "file" "rgba")

(RiFormat 512 384 1)



(RiPixelFilter RiGaussianFilter 2 2)

(RiPixelSamples 2 2)

(RiClipping 0.2 10)

(RiShadingRate 1)

(RiFrameBegin 2)



  (RiProjection "perspective" '("fov" 45))

  (RiTranslate 0 0 5)

  (RiRotate -25 1 0 0)



(RiWorldBegin)

(RiLightSource "ambientlight" (list "intensity" 0.2))

(RiLightSource "shadowspot" (list "intensity" 80

                              "from" (Point 5 5 -5)

                              "to" (Point 0 0 0)

                              "coneangle" 0.5

                              "float blur" 0.03 

                              "string shadowname" "softshadow.shad"))



(RiColor (Color 0.4 0.4 0.1))

(RiSurface "matte")

(RiSphere 1 -1 1 360)



(RiOrientation "rh")

(RiColor (Color 0.5 0 0))

(RiSurface "matte")

(RiPatch "bilinear" (list "P" #f32(-10 -1 -10

                         10 -1 -10

                        -10 -1  10

                         10 -1  10)))

(RiWorldEnd)

(RiFrameEnd)

(RiEnd)

Max eyesplits for object "unnamed" exceeded
Object "unnamed" spans the epsilon plane
Object "unnamed" spans the epsilon plane
Max eyesplits for object "unnamed" exceeded
Object "unnamed" spans the epsilon plane
Max eyesplits for object "unnamed" exceeded
が出ますがレンダリングできました。