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Hello everyone,
I was trying to create a grid of 4x4 using bicubic_patch but unfortunately, I
was unable to figure out how to achieve that. I was able to follow up with the
documentation and created a 3x3 grid, Any suggestion on how that can be achieved
would be really helpful.
I have attached the rendered image of the 3x3 grid along with the code.
//code
global_settings {assumed_gamma 1.0}
background {rgb <1,0.9,0.9>}
camera { location <3.1,7,-8> look_at <3,-2,1.5> angle 40 }
light_source {<500,500,-500> rgb 1 }
#declare B11=<0,0,3>; #declare B12=<1,0,3>; #declare B13=<2,0,3>; #declare
B14=<3,0,3>;// row 1
#declare B21=<0,0,2>; #declare B22=<1,0,2>; #declare B23=<2,0,2>; #declare
B24=<3,0,2>; // row 2
#declare B31=<0,0,1>; #declare B32=<1,0,1>; #declare B33=<2,0,1>; #declare
B34=<3,0,1>; // row 3
#declare B41=<0,0,0>; #declare B42=<1,0,0>; #declare B43=<2,0,0>; #declare
B44=<3,0,0>; // row 4
bicubic_patch {
type 1 flatness 0.001
u_steps 128 v_steps 128
uv_vectors
<0,0> <1,0> <1,1> <0,1>
B11, B12, B13, B14//, B14
B21, B22, B23, B24//, B25
B31, B32, B33, B34//, B35
B41, B42, B43, B44//, B45
uv_mapping
texture {
pigment {
checker
color rgbf <1,1,1,0.5>
color rgbf <0,0,1,0.7>
scale 1/3
}
finish {phong 0.6 phong_size 20}
}
no_shadow
}
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Attachments:
Download 'learning_patch.png' (18 KB)
Preview of image 'learning_patch.png'
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