File:Hyperbolic orbit.gif
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Hyperbolic_orbit.gif (300 × 300 pixels, file size: 12 KB, MIME type: image/gif, looped, 90 frames, 4.2 s)
File information
Structured data
Captions
This image was created with POV-Ray.
a | Semimajor axis |
---|---|
rp | Periapsis' Radius |
υ∞ | Divergence angle |
Summary
[edit]DescriptionHyperbolic orbit.gif | Animation showing the motion of a small body (green) in an hyperbolic orbit around a much more massive body (blue). |
Date | |
Source | Own work. Rendered with PovRay-3.0, animated with gifsicle. |
Author | Brandir |
Permission (Reusing this file) |
Brandir put it under the GFCL and the CC-BY-SA |
Licensing
[edit]I, the copyright holder of this work, hereby publish it under the following licenses:
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | ||
| ||
This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue |
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Spain license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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You may select the license of your choice.
POV-Ray Scene description
[edit]POV-ray image description:
/*
--------------------------
Hyperbolic Orbit Animation
--------------------------
Created 7 Mar. 2006
*/
#include "colors.inc"
//Orbit Definition
#declare OrbitA=30;
#declare OrbitE=1.38;
//Scene Constants
#declare EarthRadius=6.356;
#declare SatRadius=1.2;
#declare OrbitWidth=0.5;
#declare LineWidth=0.5/3;
#declare Crosslength=1.5;
#declare Textscale=9;
#declare TextColor=rgb<0,0,0>;
#declare xinit=-35;
//Variables
#declare Minit=OrbitE*sinh(acosh(-(xinit/OrbitA-OrbitE)))-acosh(-(xinit/OrbitA-OrbitE));
#declare M=Minit-2*clock*Minit;
#declare PI=3.14159265359;
#declare Angleinf=180-acos(-1/OrbitE)*(180/PI);
//Anomaly Determination - Solves the equation M=e*sinh(H)-H by the iterative method
#declare Index=0;
#declare prevAnomaly=0;
#declare Anomaly=0;
#while (Index<30)
#declare Anomaly=asinh((M+prevAnomaly)/OrbitE);
#declare prevAnomaly=Anomaly;
#declare Index=Index+1;
#end
//General settings
global_settings{
ambient_light 1
}
light_source { <-50, 0, -70> color White }
camera {
orthographic
location <-10, 0, -10>
look_at <-10, 0, 0>
up <0,100,0>
right <100,0,0>
}
plane { <0, 0, 1>, 8
pigment {White}
finish{ambient 1 brilliance 0}
}
//Earth
sphere {
<0, 0, 0>, EarthRadius
pigment { Blue }
finish{ ambient 0.3 brilliance 1.2 diffuse 0.8}
}
//Orbit
intersection{
box{
<-100,-100,-OrbitWidth>, <100,100,OrbitWidth>
}
quadric{
<1/(OrbitA*OrbitA),-1/(OrbitA*OrbitA*(OrbitE*OrbitE-1)),0>,<0,0,0>,<2*OrbitE/OrbitA,0,0>,OrbitE*OrbitE-1
translate x*OrbitWidth/2
}
quadric{
<-1/(OrbitA*OrbitA),1/(OrbitA*OrbitA*(OrbitE*OrbitE-1)),0>,<0,0,0>,<-2*OrbitE/OrbitA,0,0>,1-OrbitE*OrbitE
translate -x*OrbitWidth/2
}
pigment{ rgb<0.8,0,0> }
finish{ ambient 1 brilliance 0 diffuse 0}
rotate 2.2*y
no_shadow
}
//Satellite
sphere {
<0, 0, -10>, SatRadius
pigment { SeaGreen }
finish{ ambient 1 brilliance 0 diffuse 0}
no_shadow
translate <-OrbitA*(OrbitE-cosh(Anomaly)),OrbitA*sqrt(OrbitE*OrbitE-1)*sinh(Anomaly),0>
}
//Lines
#declare crossBars=
object{
union{
box{
<-LineWidth,-Crosslength,-LineWidth-7>, <LineWidth,Crosslength,LineWidth-7>
}
box{
<-Crosslength,-LineWidth,-LineWidth-7>, <Crosslength,LineWidth,LineWidth-7>
}
rotate z*45
pigment{ TextColor }
finish{ ambient 1 brilliance 0 diffuse 0}
no_shadow
}
}
box{
<-OrbitA*OrbitE-3,-LineWidth,-LineWidth-7>, <0,LineWidth,LineWidth-7>
pigment{ TextColor }
finish{ ambient 1 brilliance 0 diffuse 0}
no_shadow
}
box{
<0,-LineWidth,-LineWidth-7>, <300,LineWidth,LineWidth-7>
pigment{ TextColor }
finish{ ambient 1 brilliance 0 diffuse 0}
rotate z*Angleinf
translate -x*OrbitA*OrbitE
no_shadow
}
box{
<0,-LineWidth,-LineWidth-7>, <300,LineWidth,LineWidth-7>
pigment{ TextColor }
finish{ ambient 1 brilliance 0 diffuse 0}
rotate -z*Angleinf
translate -x*OrbitA*OrbitE
no_shadow
}
difference{
torus{
4,LineWidth
rotate x*90
}
box {
<-5,0,-5>,<5,5,5>
}
box {
<-5,-5,-5>,<5,0,5>
rotate -z*Angleinf
}
pigment{ TextColor }
finish{ ambient 1 brilliance 0 diffuse 0}
translate -z*7
translate -x*OrbitA*OrbitE
no_shadow
}
object{
crossBars
}
object{
crossBars
translate -x*OrbitA*(OrbitE-1)
}
object{
crossBars
translate -x*OrbitA*OrbitE
}
//Text
text {
ttf "timesi.ttf" "a" 1, 0
pigment{ TextColor }
finish{ ambient 1 brilliance 0 diffuse 0}
scale Textscale
translate <OrbitA*(0.5-OrbitE)-Textscale/4,Textscale/4,-7>
no_shadow
}
union{
text {
ttf "timesi.ttf" "r" 1, 0
}
text {
ttf "timesi.ttf" "p" 1, 0
scale 0.5
translate 0.2*x
}
pigment{ TextColor }
finish{ ambient 1 brilliance 0 diffuse 0}
scale Textscale
translate <-(EarthRadius+0.3*(OrbitA*(OrbitE-1)-EarthRadius))-Textscale/4,Textscale/4,-7>
no_shadow
}
union{
text {
ttf "symbol.ttf" "u" 1, 0
matrix
< 1, 0, 0,
0.3, 1, 0,
0, 0, 1,
0, 0, 0 >
}
text {
ttf "symbol.ttf" chr(165) 1, 0
scale 0.5
translate <0.6,-0.1,0>
}
pigment{ TextColor }
finish{ ambient 1 brilliance 0 diffuse 0}
scale Textscale
translate <-OrbitA*OrbitE-Textscale/4+9,-0.6*Textscale,-7>
no_shadow
}
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 00:01, 8 March 2006 | 300 × 300 (12 KB) | Brandir~commonswiki (talk | contribs) | {{Information| |Description = Animation showing the motion of a small body (green) in an hyperbolic orbit around a much more massive body (blue). |Source = Own work. Rendered with ''PovRay-3.0'', animated with ''gifsicle''. |Date = Created 7. Mar. 2006. |
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