Rendering学習日記

• RenderMan
• 2013.11.17 Sunday

sin、cosを利用した。半径１の円周上に球体を12個、配置した。
色は乱数を発生させた。

#!/usr/bin/guile -s

!#



(use-modules (rman rispec))

(use-modules (rman utilities))



(RiBegin "test8.rib")

  (RiDisplay "sphere8.tif" "file" "rgb")

  (RiFormat 640 480 1)

  (RiProjection "perspective" '("fov" 40.0))

  (RiTranslate 0 0 4)

  (RiPixelFilter RiBoxFilter 1 1)

  (RiWorldBegin)

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

      (RiLightSource "distantlight" (list "intensity" 1.2 

                                        "uniform point from"  (Point 3 3 -3)))



(define (test x)

    (define N1 12)

    (define PI 3.141592)

    (set! *random-state* (random-state-from-platform))

    (let ((n 0))

        (while (< n x)

    (RiTransformBegin)

    (RiTranslate (sin (* 2 (/ PI N1) n))  (cos (* 2 (/ PI N1) n))  0 )

    (RiColor (Color (random 1.0) (random 1.0) (random 1.0)))

    (RiSurface "plastic")

    (RiSphere 0.25 -0.25 0.25 360)

    (set! n (+ n 1))

 (RiTransformEnd)

)))



(test 12)



  (RiWorldEnd)

(RiEnd)

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• Fujiyama Renderer
• 2013.11.20 Wednesday

Fujiyama Renderer 0.2.1がリリースされました。既にmulti threadsでのレンダリングで速くなっている。
バンプ・マッピングができるようになりました。

sphere_uv.plyを利用してます。TextureはFujiyama RendererのDownloadsからのリンクを利用しました。以下はPython APIを利用、例です。ありがとうございます。

#!/usr/bin/env python



# 4 textured spheres with 1 dome light with an HDRI

# Copyright (c) 2011-2013 Hiroshi Tsubokawa



import fujiyama



si = fujiyama.SceneInterface()



#Plugins

si.OpenPlugin('ConstantShader')

si.OpenPlugin('PlasticShader')



#Camera

si.NewCamera('cam1', 'PerspectiveCamera')

si.SetProperty3('cam1', 'translate', 0, 0, 10)



# Rotation of dome light and dome object used for background iamge.

rot = 110



#Texture

si.NewTexture('env_tex1', '../mip/pisa.mip')

si.NewTexture('rock_tex1', '../mip/rock.mip')

si.NewTexture('rust_tex1', '../mip/rust.mip')

si.NewTexture('concrete_tex1', '../mip/concrete.mip')

si.NewTexture('pattern_tex1', '../mip/pattern.mip')



#Light

si.NewLight('light1', 'DomeLight')

si.SetProperty3('light1', 'rotate', 0, rot, 0)

# You chang the number of samples on the env map. the default is 16.

#si.SetProperty1('light1', 'sample_count', 256)

si.SetProperty1('light1', 'sample_count', 32)

si.AssignTexture('light1', 'environment_map', 'env_tex1');



#Shader

si.NewShader('sphere_shader1', 'PlasticShader')

si.AssignTexture('sphere_shader1', 'diffuse_map', 'rock_tex1')

si.AssignTexture('sphere_shader1', 'bump_map', 'rock_tex1')

si.SetProperty1('sphere_shader1', 'bump_amplitude', 1)



si.NewShader('sphere_shader2', 'PlasticShader')

si.AssignTexture('sphere_shader2', 'diffuse_map', 'rust_tex1')

si.AssignTexture('sphere_shader2', 'bump_map', 'rust_tex1')

si.SetProperty1('sphere_shader2', 'bump_amplitude', 1)



si.NewShader('sphere_shader3', 'PlasticShader')

si.AssignTexture('sphere_shader3', 'diffuse_map', 'concrete_tex1')

si.AssignTexture('sphere_shader3', 'bump_map', 'concrete_tex1')

si.SetProperty1('sphere_shader3', 'bump_amplitude', 1)



si.NewShader('sphere_shader4', 'PlasticShader')

si.AssignTexture('sphere_shader4', 'diffuse_map', 'pattern_tex1')

si.AssignTexture('sphere_shader4', 'bump_map', 'pattern_tex1')

si.SetProperty1('sphere_shader4', 'bump_amplitude', -1)



si.SetProperty3('sphere_shader4', 'diffuse', .5, .5, .5)

si.SetProperty1('sphere_shader4', 'ior', 10)



si.NewShader('dome_shader', 'ConstantShader')

si.AssignTexture('dome_shader', 'texture', 'env_tex1')



#Mesh

si.NewMesh('sphere_mesh', '../mesh/sphere_uv.mesh')

si.NewMesh('dome_mesh', '../mesh/dome.mesh')



#ObjectInstance

si.NewObjectInstance('sphere1', 'sphere_mesh')

si.SetProperty3('sphere1', 'translate', -1.7, 1.2, 0)

si.AssignShader('sphere1', 'sphere_shader1')



si.NewObjectInstance('sphere2', 'sphere_mesh')

si.SetProperty3('sphere2', 'translate', 1.7, 1.2, 0)

si.SetProperty3('sphere2', 'rotate', 0, 20, 0)

si.AssignShader('sphere2', 'sphere_shader2')



si.NewObjectInstance('sphere3', 'sphere_mesh')

si.SetProperty3('sphere3', 'translate', -1.7, -1.2, 0)

si.SetProperty3('sphere3', 'rotate', 0, 20, 0)

si.AssignShader('sphere3', 'sphere_shader3')



si.NewObjectInstance('sphere4', 'sphere_mesh')

si.SetProperty3('sphere4', 'translate', 1.7, -1.2, 0)

si.AssignShader('sphere4', 'sphere_shader4')



si.NewObjectInstance('dome1', 'dome_mesh')

si.SetProperty3('dome1', 'rotate', 0, rot, 0)

si.SetProperty3('dome1', 'scale', -.5, .5, .5)

si.AssignShader('dome1', 'dome_shader')



#ObjectGroup

# Create shadow_target for sphere1.

# Since 'DomeLight' has infinite distance, we need to exclude

# 'dome1' object which is for just background image.

si.NewObjectGroup('shadow_target1')

si.AddObjectToGroup('shadow_target1', 'sphere1')

si.AssignObjectGroup('sphere1', 'shadow_target', 'shadow_target1')

# and each sphere reacts to only 'dome1' and itself, not to the other spheres

si.NewObjectGroup('reflect_target1')

si.AddObjectToGroup('reflect_target1', 'dome1')

si.AddObjectToGroup('reflect_target1', 'sphere1')

si.AssignObjectGroup('sphere1', 'reflect_target', 'reflect_target1')



si.NewObjectGroup('shadow_target2')

si.AddObjectToGroup('shadow_target2', 'sphere2')

si.AssignObjectGroup('sphere2', 'shadow_target', 'shadow_target2')

si.NewObjectGroup('reflect_target2')

si.AddObjectToGroup('reflect_target2', 'dome1')

si.AddObjectToGroup('reflect_target2', 'sphere2')

si.AssignObjectGroup('sphere2', 'reflect_target', 'reflect_target2')



si.NewObjectGroup('shadow_target3')

si.AddObjectToGroup('shadow_target3', 'sphere3')

si.AssignObjectGroup('sphere3', 'shadow_target', 'shadow_target3')

si.NewObjectGroup('reflect_target3')

si.AddObjectToGroup('reflect_target3', 'dome1')

si.AddObjectToGroup('reflect_target3', 'sphere3')

si.AssignObjectGroup('sphere3', 'reflect_target', 'reflect_target3')



si.NewObjectGroup('shadow_target4')

si.AddObjectToGroup('shadow_target4', 'sphere4')

si.AssignObjectGroup('sphere4', 'shadow_target', 'shadow_target4')

si.NewObjectGroup('reflect_target4')

si.AddObjectToGroup('reflect_target4', 'dome1')

si.AddObjectToGroup('reflect_target4', 'sphere4')

si.AssignObjectGroup('sphere4', 'reflect_target', 'reflect_target4')



#FrameBuffer

si.NewFrameBuffer('fb1', 'rgba')



#Renderer

si.NewRenderer('ren1')

si.AssignCamera('ren1', 'cam1')

si.AssignFrameBuffer('ren1', 'fb1')

si.SetProperty2('ren1', 'resolution', 640, 480)

#si.SetProperty2('ren1', 'resolution', 160, 120)



#Rendering

si.RenderScene('ren1')



#Output

si.SaveFrameBuffer('fb1', '../bump_mapping.fb')



#Run commands

si.Run()

#si.Print()

他、Point Cloudsを試しました。こちらもサンプルPython APIを利用してます。

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• RenderMan
• 2013.11.21 Thursday

Aqsis1.6とguile-rmanでのスクリプトの書き方、ReadArchiveの書式がわかりました。

(RiReadArchive "cone.rib" (list ))

パラメータ部分をlistにしときます。

以下は、Nupatchのcone.ribを保存します。

NuPatch 11 4 [-2 -2 -1

0 1 2 3 4 5 6 7 8 9 10 10] 0 8 4 4 [0 0 0 0 2.23607 2.23607 2.23607 2.23607] 0 2.23607 "Pw" [0.783612 -1 -0.783612 1 1.10819 -1 6.51994e-017 1

0.783612 -1 0.783612 1 3.21127e-016 -1 1.10819 1 -0.783612 -1 0.783612 1

-1.10819 -1 2.72688e-016 1 -0.783612 -1 -0.783612 1 -5.95213e-016 -1 -1.10819 1

0.783612 -1 -0.783612 1 1.10819 -1 6.51994e-017 1 0.783612 -1 0.783612 1

0.522408 -0.333333 -0.522408 1 0.738796 -0.333333 6.3877e-017 1 0.522408 -0.333333 0.522408 1

2.14085e-016 -0.333333 0.738796 1 -0.522408 -0.333333 0.522408 1 -0.738796 -0.333333 2.02203e-016 1

-0.522408 -0.333333 -0.522408 1 -3.96809e-016 -0.333333 -0.738796 1 0.522408 -0.333333 -0.522408 1

0.738796 -0.333333 6.3877e-017 1 0.522408 -0.333333 0.522408 1 0.261204 0.333333 -0.261204 1

0.369398 0.333333 6.25547e-017 1 0.261204 0.333333 0.261204 1 1.07042e-016 0.333333 0.369398 1

-0.261204 0.333333 0.261204 1 -0.369398 0.333333 1.31718e-016 1 -0.261204 0.333333 -0.261204 1

-1.98404e-016 0.333333 -0.369398 1 0.261204 0.333333 -0.261204 1 0.369398 0.333333 6.25547e-017 1

0.261204 0.333333 0.261204 1 0 1 6.12323e-017 1 0 1 6.12323e-017 1

0 1 6.12323e-017 1 0 1 6.12323e-017 1 0 1 6.12323e-017 1

0 1 6.12323e-017 1 0 1 6.12323e-017 1 0 1 6.12323e-017 1

0 1 6.12323e-017 1 0 1 6.12323e-017 1 0 1 6.12323e-017 1]



NuPatch 11 4 [-2 -2 -1

0 1 2 3 4 5 6 7 8 9 10 10] 0 8 4 4 [0 0 0 0 2.23607 2.23607 2.23607 2.23607] 0 2.23607 "Pw" [0.783612 -1 -0.783612 1 1.10819 -1 6.51994e-017 1

0.783612 -1 0.783612 1 3.21127e-016 -1 1.10819 1 -0.783612 -1 0.783612 1

-1.10819 -1 2.72688e-016 1 -0.783612 -1 -0.783612 1 -5.95213e-016 -1 -1.10819 1

0.783612 -1 -0.783612 1 1.10819 -1 6.51994e-017 1 0.783612 -1 0.783612 1

0.522408 -0.333333 -0.522408 1 0.738796 -0.333333 6.3877e-017 1 0.522408 -0.333333 0.522408 1

2.14085e-016 -0.333333 0.738796 1 -0.522408 -0.333333 0.522408 1 -0.738796 -0.333333 2.02203e-016 1

-0.522408 -0.333333 -0.522408 1 -3.96809e-016 -0.333333 -0.738796 1 0.522408 -0.333333 -0.522408 1

0.738796 -0.333333 6.3877e-017 1 0.522408 -0.333333 0.522408 1 0.261204 0.333333 -0.261204 1

0.369398 0.333333 6.25547e-017 1 0.261204 0.333333 0.261204 1 1.07042e-016 0.333333 0.369398 1

-0.261204 0.333333 0.261204 1 -0.369398 0.333333 1.31718e-016 1 -0.261204 0.333333 -0.261204 1

-1.98404e-016 0.333333 -0.369398 1 0.261204 0.333333 -0.261204 1 0.369398 0.333333 6.25547e-017 1

0.261204 0.333333 0.261204 1 0 1 6.12323e-017 1 0 1 6.12323e-017 1

0 1 6.12323e-017 1 0 1 6.12323e-017 1 0 1 6.12323e-017 1

0 1 6.12323e-017 1 0 1 6.12323e-017 1 0 1 6.12323e-017 1

0 1 6.12323e-017 1 0 1 6.12323e-017 1 0 1 6.12323e-017 1]



NuPatch 11 4 [-2 -2 -1

0 1 2 3 4 5 6 7 8 9 10 10] 0 8 4 4 [0 0 0 0 1 1 1 1] 0 1 "Pw" [0 -1 0 1 0 -1 0 1

0 -1 0 1 0 -1 0 1 0 -1 0 1

0 -1 0 1 0 -1 0 1 0 -1 0 1

0 -1 0 1 0 -1 0 1 0 -1 0 1

0.261204 -1 -0.261204 1 0.369398 -1 -9.12038e-018 1 0.261204 -1 0.261204 1

1.58307e-016 -1 0.369398 1 -0.261204 -1 0.261204 1 -0.369398 -1 1.62571e-016 1

-0.261204 -1 -0.261204 1 -2.49669e-016 -1 -0.369398 1 0.261204 -1 -0.261204 1

0.369398 -1 -9.12038e-018 1 0.261204 -1 0.261204 1 0.522408 -1 -0.522408 1

0.738796 -1 -1.82408e-017 1 0.522408 -1 0.522408 1 3.16613e-016 -1 0.738796 1

-0.522408 -1 0.522408 1 -0.738796 -1 3.25142e-016 1 -0.522408 -1 -0.522408 1

-4.99337e-016 -1 -0.738796 1 0.522408 -1 -0.522408 1 0.738796 -1 -1.82408e-017 1

0.522408 -1 0.522408 1 0.783612 -1 -0.783612 1 1.10819 -1 -2.73611e-017 1

0.783612 -1 0.783612 1 4.7492e-016 -1 1.10819 1 -0.783612 -1 0.783612 1

-1.10819 -1 4.87713e-016 1 -0.783612 -1 -0.783612 1 -7.49006e-016 -1 -1.10819 1

0.783612 -1 -0.783612 1 1.10819 -1 -2.73611e-017 1 0.783612 -1 0.783612 1]



NuPatch 11 4 [-2 -2 -1

0 1 2 3 4 5 6 7 8 9 10 10] 0 8 4 4 [0 0 0 0 1 1 1 1] 0 1 "Pw" [0 -1 0 1 0 -1 0 1

0 -1 0 1 0 -1 0 1 0 -1 0 1

0 -1 0 1 0 -1 0 1 0 -1 0 1

0 -1 0 1 0 -1 0 1 0 -1 0 1

0.261204 -1 -0.261204 1 0.369398 -1 -9.12038e-018 1 0.261204 -1 0.261204 1

1.58307e-016 -1 0.369398 1 -0.261204 -1 0.261204 1 -0.369398 -1 1.62571e-016 1

-0.261204 -1 -0.261204 1 -2.49669e-016 -1 -0.369398 1 0.261204 -1 -0.261204 1

0.369398 -1 -9.12038e-018 1 0.261204 -1 0.261204 1 0.522408 -1 -0.522408 1

0.738796 -1 -1.82408e-017 1 0.522408 -1 0.522408 1 3.16613e-016 -1 0.738796 1

-0.522408 -1 0.522408 1 -0.738796 -1 3.25142e-016 1 -0.522408 -1 -0.522408 1

-4.99337e-016 -1 -0.738796 1 0.522408 -1 -0.522408 1 0.738796 -1 -1.82408e-017 1

0.522408 -1 0.522408 1 0.783612 -1 -0.783612 1 1.10819 -1 -2.73611e-017 1

0.783612 -1 0.783612 1 4.7492e-016 -1 1.10819 1 -0.783612 -1 0.783612 1

-1.10819 -1 4.87713e-016 1 -0.783612 -1 -0.783612 1 -7.49006e-016 -1 -1.10819 1]

続いて、次のスクリプトをguileで実行します。
simple4.scmで保存します。

#!/usr/bin/guile -s

!#



(use-modules (rman rispec))

(use-modules (rman utilities))



(RiBegin "")

(RiOption "Render" (list "integer multipass" 1))

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

  (RiDisplay "simple4.tif" "file" "rgb")

  (RiFormat 512 384 1)

  (RiProjection "perspective" '("fov" 30))

  (RiTranslate 0 0 3)

  (RiRotate -40 1 0 0)

  (RiRotate -20 0 1 0)

  (RiPixelFilter RiGaussianFilter 2 2)

  (RiWorldBegin)

      (RiLightSource "ambientlight" (list "intensity" 0.3))

  (RiAttributeBegin)

    (RiAttribute "autoshadows" (list "string shadowmapname" "autoshadow.shad" "integer res" 1024))

    (RiTranslate 5 5 -5)

    (RiRotate -45 0.0 1.0 0.0)

    (RiRotate 35 1.0 0.0 0.0)

    (define light1 (RiLightSource "shadowspot" (list "intensity" 300

                                  "coneangle" 0.5 

                                  "string shadowname" "autoshadow.shad"

                                  "float blur" 0.008 )))

  (RiAttributeEnd)

   (RiIlluminate light1 1 )

      (RiAttributeBegin)

      (RiTransformBegin)

      (RiColor (Color 0.8 0.8 0.8))

      (RiSurface "plastic")

      (RiPolygon 4 (list "P" #f32(-1 -0.5 -1 -1 -0.5 1  1 -0.5 1 1 -0.5 -1)))

      (RiTransformEnd)

      (RiTransformBegin)

      (RiColor (Color 0.8 0.4 0.2))

      (RiSurface "plastic")

      ;;(RiRotate -90 1 0 0)

      (RiScale 0.5 0.5 0.5)

      (RiTranslate 0 0.2 0)

      (RiReadArchive "cone.rib" (list ))

      (RiTransformEnd)

      (RiAttributeEnd)

  (RiWorldEnd)

(RiEnd)

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• RenderMan
• 2013.11.24 Sunday

Aqsis1.6とguile-rmanでのサンプルが動くように調整しました。

以下、test0.scmを実行します。
Some deprecated features have been used. Set the environment variable GUILE_WARN_DEPRECATED to "detailed" and rerun the program to get more information. Set it to "no" to suppress this message.

export GUILE_WARN_DEPRECATED="detailed"
を.bashrcに書き加えた方が良いです。

#!/usr/bin/guile -s

!#



(use-modules (rman rispec))

(use-modules (rman utilities))



(define (progress percent frame)

  (display "Percent: ")

  (display percent)

  (display " Frame: ")

  (display frame)

  (newline))



(define (subdiv ptr lod)

  (display "Ptr: ")

  (display ptr)

  (display " Lod: ")

  (display lod)

  (newline))



(define (free ptr)

  (display "Ptr: ")

  (display ptr)

  (newline))



(define bound #f32(0.0 0.0 0.0 10.0 10.0 10.0))



(define data '(some data))



(RiBegin "test0.rib")

  (RiDisplay "sphere_two.tif" "file" "rgb")

  (RiFormat 320 240 1)

  (RiProjection "perspective" '("fov" 45.0))

  (RiTranslate 0 0 6)

  (RiProgressHandler progress)

  (RiWorldBegin)

    (let ((o1 (Object (RiSphere 1 -1 1 360))))

      (RiLightSource "ambientlight" '("intensity" 0.2))

      (RiLightSource "distantlight" '("intensity" 1.2

                                      "from" #f32(0 0 -6)

                                      "to" #f32(0 0 0)))

      (RiColor #f32(1.0 0.0 0.0))

      (RiSurface "plastic")

      (RiTranslate -2.0 0 0)

      (RiObjectInstance o1)

      (RiColor #f32(0.0 1.0 0.0))

      (RiSurface "plastic")

      (RiTranslate 4.0 0 0)

      (RiObjectInstance o1)

      (RiProcedural data bound subdiv free))

  (RiWorldEnd)

(RiEnd)

一歩一歩ですね。ありがとうございます。
RIB出力するようになれば完璧です。
以下は課題？。
configure:11571: checking for RiBegin in -laqsis_core
configure:11606: gcc -o conftest -g -O2 conftest.c -laqsis_core >&5
/usr/lib64/libaqsis_ribparse.so.1: undefined reference to `boost::iostreams::detail::zlib_base::inflate(int)'
collect2: ld returned 1 exit status

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