Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
// This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
// To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ or send a
// letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
// Persistence of Vision Raytracer Scene Description File
// File: float5.pov
// Description: Demonstrates various new float math functions and #while loop
// Modified for 3.5: changed "log()" to "ln()".
//
// -w320 -h240
// -w800 -h600 +a0.3
#version 3.6;
global_settings {
assumed_gamma 1.0
}
#include "colors.inc"
#declare Rad=1/8;
#declare Font="cyrvetic.ttf"
#declare Xval=-6.0;
#while (Xval <= 6.0)
sphere{<Xval,exp(Xval),0>,Rad pigment{color rgb<1,0.2,0>}}
#if (Xval != 0.0)
sphere{<Xval,pow(Xval,-1),0>,Rad pigment{color rgb<0.2,0.7,0>}}
#end
sphere{<Xval,pow(Xval,2),0>,Rad pigment{Blue}}
sphere{<Xval,pow(Xval,3),0>,Rad pigment{Cyan}}
#if (Xval > 0.0)
sphere{<Xval,ln(Xval),0>,Rad pigment{Magenta}}
#end
#declare Xval=Xval+0.02;
#end
text{ttf Font "Y=exp(X)",0.1,0 translate <-6.5, 0.5,0> pigment{color rgb<1,0.2,0>}}
text{ttf Font "Y=pow(X,-1)",0.1,0 translate <-6.5,-1.5,0> pigment{color rgb<0.2,0.7,0>}}
text{ttf Font "Y=pow(X,2)",0.1,0 translate <-6.5, 3,0> pigment{Blue}}
text{ttf Font "Y=pow(X,3)",0.1,0 translate <-6.5,-4,0> pigment{Cyan}}
text{ttf Font "Y=ln(X)",0.1,0 translate < 2.5, 2,0> pigment{Magenta}}
camera {
location <0, 0, -120>
angle 7 // direction <0, 0, 12>
right x*image_width/image_height
look_at <0, 0, 0>
}
light_source { <5000, 10000, -20000> color White}
light_source { <-500, -1000, 2000> color White}
plane { -z, -Rad pigment {checker color rgb <1,1,1>*1.2 color rgb <1,1,.8>} }
union{ // X-axis
cylinder{-x*5.5,x*5.5,.1}
cone{-x*6.5,0,-x*5.5,.2}
cone{ x*6.5,0, x*5.5,.2}
translate z*Rad
pigment{rgb<1,.8,1>}
}
union{ // Y-axis
cylinder{-y*4,y*4,.1}
cone{-y*5,0,-y*4,.2}
cone{ y*5,0, y*4,.2}
translate z*Rad
pigment{rgb<.8,1,1>}
}
union{ // Axes labels
text{ttf Font "X",0.1,0 translate <5.5,-1,0>}
text{ttf Font "Y",0.1,0 translate <-.75,4,0>}
pigment{rgb<1,.4,0>}
}