Open mmp opened 10 years ago
(From mantis bug tracker)
fpsunflower: I've noticed that the EWA filter exhibits strange artifacts under magnification. This is apparent in the two following images (closeup of the lines.exr texture)
Film "image" "integer xresolution" [200] "integer yresolution" [100] "integer xresolution" [800] "integer yresolution" [400] # "integer xresolution" [750] "integer yresolution" [375] # "float cropwindow" [.2 .4 .07 .22] Sampler "lowdiscrepancy" "integer pixelsamples" [1] PixelFilter "box" LookAt 0 0.7 8 0 0.7 0 0 1 0 Camera "perspective" "float fov" [1] SurfaceIntegrator "directlighting" WorldBegin AttributeBegin # LightSource "distant" "color L" [3 3 3] "point from" [0 10 3] "point to" [0 0 0 ] AttributeEnd AttributeBegin CoordSysTransform "camera" AreaLightSource "area" "color L" [6 6 6] "integer nsamples" [32] Translate 0 3 -10 Material "matte" "color Kd" [ 0 0 0 ] Shape "disk" "float radius" [3] AttributeEnd AttributeBegin AreaLightSource "area" "color L" [3.2 3.2 3.2] "integer nsamples" [32] Translate 0 15 0 Rotate 90 1 0 0 Material "matte" "color Kd" [ 0 0 0 ] Shape "disk" "float radius" [20] AttributeEnd AttributeBegin Material "matte" "color Kd" [.1 .1 .1] Shape "trianglemesh" "integer indices" [ 0 1 2 2 0 3 ] "point P" [-10 0 -10 10 0 -10 10 0 10 -10 0 10 ] Shape "trianglemesh" "integer indices" [ 0 1 2 2 0 3 ] "point P" [-10 0 -10 10 0 -10 10 9 -10 -10 9 -10 ] Shape "trianglemesh" "integer indices" [ 0 1 2 2 0 3 ] "point P" [-10 0 -10 -10 0 10 -10 9 10 -10 9 -10 ] AttributeEnd Texture "g-tri" "color" "imagemap" "string filename" "textures/lines.exr" "bool trilinear" ["true"] "float uscale" [1] "float vscale" [1] Texture "g-ewa" "color" "imagemap" "string filename" "textures/lines.exr" "float uscale" [1] "float vscale" [1] AttributeBegin ## switch texture filtering here ## Material "uber" "texture Kd" "g-ewa" "color Ks" [.1 .1 .1] #Material "uber" "texture Kd" "g-tri" "color Ks" [.1 .1 .1] Translate 0 1 6 Rotate 10 0 0 1 Rotate -35 1 0 0 Rotate -20 1 1 1 Shape "sphere" AttributeEnd WorldEnd
(From mantis bug tracker)
fpsunflower: I've noticed that the EWA filter exhibits strange artifacts under magnification. This is apparent in the two following images (closeup of the lines.exr texture)