Universe SandboxGeneral CategoryUniverse Sandbox v1 Discussion (2009 version)Potentially Hazardous Asteroids
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tony873004

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« on: July 14, 2008, 12:16:28 PM »

In 2007 there were 796 asteroids classified as PHAs or Potentially Hazardous Asteroids.  Here's all of them:
http://orbitsimulator.com/sandbox/PHAsandbox.xml

I can't even find Earth in all this mess, but its there as are the other planets.
This is translated from Gravity Simulator:  http://www.orbitsimulator.com/gravity/articles/pha.html
« Last Edit: July 14, 2008, 12:18:50 PM by tony873004 » Logged
davidpt

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« Reply #1 on: July 14, 2008, 02:52:50 PM »

WOW! what a mess!... lol

super laggy, and super weird shape... also takes a long time to load

is it supposed to look like this?! turned off the labels and cleared the dust casue of the lag.



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Dan Dixon
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« Reply #2 on: July 14, 2008, 03:45:29 PM »

No... that doesn't look right.
Nor should you be seeing that blue logo in the corner.

I just released a new version yesterday. Have you updated?

And yes... Loading times can be slow for systems with lots of bodies.

If you're still having problems... Load up the system and then send my your logs files. Commenting that you are davidpt and this is the Hazardous Asteroids problem. Smiley

I can't even find Earth in all this mess, but its there as are the other planets.

You can find the Earth by pressing "Home" and then Page Down 3 times.
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mattie

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« Reply #3 on: July 14, 2008, 07:34:11 PM »

Tony,

you are a wealth of information Smiley
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davidpt

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« Reply #4 on: July 15, 2008, 04:45:25 AM »

ok, i updated, is working fine now! thnx Dan! Wink
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Dan Dixon
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« Reply #5 on: July 15, 2008, 04:26:13 PM »

Tony,
you are a wealth of information Smiley

This is true... And he's a good guy, no less.
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Alnitak

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« Reply #6 on: July 16, 2008, 04:34:49 AM »

Cool !!

Hey Tony, how you insert so many objects in the simulation Xml file ? One by one ?  Huh


[ ]īs
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tony873004

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« Reply #7 on: July 16, 2008, 10:15:54 AM »

... One by one ?  Huh

 Cheesy Not quite.  That would take forever.  I translated the simulation from Gravity Simulator.  For Gravity Simulator I have a few stand-alone applications that build Gravity Simulator simulation files (*.gsim) for me.  So I get a list of objects, feed them to the stand-alone project, which then contacts JPL Horizons for data, then uses this data to build a simulation file for Gravity Simulator.  Then I use Gravity Simulator to save the simulation as a Sandbox-readable xml file.
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Alnitak

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« Reply #8 on: July 16, 2008, 12:48:01 PM »

... One by one ?  Huh

 Cheesy Not quite.  That would take forever.  I translated the simulation from Gravity Simulator.  For Gravity Simulator I have a few stand-alone applications that build Gravity Simulator simulation files (*.gsim) for me.  So I get a list of objects, feed them to the stand-alone project, which then contacts JPL Horizons for data, then uses this data to build a simulation file for Gravity Simulator.  Then I use Gravity Simulator to save the simulation as a Sandbox-readable xml file.

Hi Tony !

I use the Gravity Simulator at some time (I used to obtain the orbit of asteroid 2008 BT18 for simulation in the Universe Sandbox however enter the data manually).

What I would like to know, from your information, is how you set the output data from Gravity to the format that is used in XML files of the Universe Sandbox.

Thank you!
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tony873004

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« Reply #9 on: July 16, 2008, 08:13:20 PM »

I just coded it a few days ago, so its not available yet, as I continue to tinker with it.  If you want a copy early, send me an e-mail.  Otherwise I'll probably release a new beta version in the next week or two.
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boblambnightsky

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« Reply #10 on: July 23, 2008, 09:01:37 PM »

I am new to Universe Sandbox, Tony. How do I download your PHA file into my Universe Sandbox application?
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atomic7732
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« Reply #11 on: November 07, 2008, 07:45:48 PM »

When I open the file it wont work. It gives me the script though.
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atomic7732
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« Reply #12 on: November 07, 2008, 09:28:42 PM »

I tried to make it work but it wold not get it.
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Dan Dixon
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« Reply #13 on: November 07, 2008, 10:44:25 PM »

I just tested it again... And it worked.

To open this file in Universe Sandbox, put it here:
My Documents\Universe Sandbox\Systems

Let me know if you're still having trouble.
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atomic7732
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« Reply #14 on: November 07, 2008, 11:09:54 PM »

I still have trouble.
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Dan Dixon
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« Reply #15 on: November 09, 2008, 12:04:44 PM »

Just save the file into this folder on your computer:
My Documents\Universe Sandbox\Systems

Then in Universe Sandbox from the main menu:
Click on Open, then click on 'My Systems', and it should show up in the list.

It's not obvious that this is how it works. I plan to address this problem in the future.
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atomic7732
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« Reply #16 on: November 11, 2008, 11:46:12 AM »

i did that and It shows up. But it is nothing at all.
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atomic7732
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« Reply #17 on: November 11, 2008, 11:54:04 AM »

I made an XML file I copied the info into Systems and nothing exists. Can we just make a downloadable file?
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Dan Dixon
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« Reply #18 on: November 12, 2008, 12:01:39 PM »

It is a download-able file.

Download this file:
http://orbitsimulator.com/sandbox/PHAsandbox.xml

And move or save that file here:
My Documents\Universe Sandbox\Systems

Then in Universe Sandbox from the main menu:
Click on Open, then click on 'My Systems', and it should show up in the list. Click on PHAsandbox to open the file.

Does that help?
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atomic7732
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« Reply #19 on: November 12, 2008, 07:49:35 PM »

Well, it pops up with the script not a downloadable file. So uhh... not really.
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Dan Dixon
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« Reply #20 on: November 12, 2008, 08:31:42 PM »

Right click the XML link and select "Save link as" or "Save target as"

This will let you save the file.

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atomic7732
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« Reply #21 on: November 12, 2008, 08:54:44 PM »

Thanks
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