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The following is a scene of a narrow canyon. How do I get the groove do bend
left or right, so I can see the canyon curve to the left and right(and set
the bounding box smaller) ?
// The_Gash.pov
#include "colors.inc"
#include "functions.inc"
#include "math.inc"
#include "transforms.inc"
global_settings {
assumed_gamma 1.0
}
// ----------------------------------------
camera {
location <0.0, 7.0, 40.0>
direction 1.5*z
right x*image_width/image_height
look_at <0.0, 5.0, 0.0>
}
sky_sphere {
pigment { rgb <0.6,0.7,1.0>
}
}
light_source {
<0, 0, 0> // light's position (translated below)
color rgb <1, 1, 1> // light's color
translate <-10, 40, -30>
}
light_source {
<0, 0, 0> // light's position (translated below)
color rgb <1, 1, 1> // light's color
translate <40, 10, 30>
}
// create a isosurface object - the equipotential surface
// of a 3D math function f(x, y, z)
//#declare fn_X = function(x,y,z) { x*x + y*y - 1 + pow(2,abs(x)) } //
cylinder function
isosurface {
function {-pow(2,abs(x))+y-f_noise3d(x*5, y*5, z*5)*2+2-f_noise_generator
(x,y,z, 1)*2 } //open
contained_by { box { <-40,-8,-80>, <40,16,80> } }
accuracy 0.01
max_gradient 4
pigment {Brown}
Shear_Trans(x, y, cos(z))}
plane{
y,3 pigment { rgbf <0,0,1,.1> }
normal{ dents turbulence <5.0, 0.6, 0.1> } interior { ior 1.33 }
finish{ ambient .1 diffuse .9 reflection 0.3 }}
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