WWJ in satellite tracking app

shawngano · 10-24-2007, 03:49 AM

Hi I just integrated WWJ with a small 2D java app that I used to predict satellite locations using two line elements. I have a screen shot and a windows download if anyone is interested.

http://www.gano.name/shawn/JSatTrak/

- Shawn

patmurris · 10-24-2007, 08:23 AM

I tried the webstart but couldnt find wwj... i had trouble getting a track to show in 2D either, so it may be just me confused

shawngano · 10-24-2007, 03:23 PM

No, most of it is probably my confusing interface and website :] The webstart is only for my older version (1.1) that doesn't have wwj -- only the windows packaged file under the 2.0 section has wwj. I will post a new webstart version once I get it working. Thanks for trying though!

For future reference, to get a satellite in the scenario using the webstart version you have to choose "Show Satellite Browser" from the Windows menu (then you will get a dialog saying no data was found on the local drive (since you are using the web start), hit yes to download the TLE data directly from the web), after that the Satellite Browser should appear and you can browse through the tree structure to find sats of interest then just drag them over to the "Satellite List" and their ground tracks will be added.

shawngano · 10-24-2007, 03:39 PM

Oh yeah, in the newer version to see the WWJ you have to open a new 3D window from the windows menu. It doesn't open one by default.

shawngano · 10-24-2007, 04:27 PM

Okay, I have a new webstart working:
http://www.gano.name/shawn/JSatTrak/JSatTrak_v2.jnlp

Hopefully that will work better.

m_k · 10-24-2007, 05:26 PM

When I try to drag a satellite (ISS) to the Satellite List I get 'Error reading TLE' and the program stops responding (have to kill it from the Task Manager). This is with version 1.1 and 2 of the webstart.

shawngano · 10-24-2007, 06:22 PM

Doh! Sorry it isn't working for you... I have tried it on a couple of windows and linux boxes and I haven't gotten that error. I will check into it.

shawngano · 10-24-2007, 07:17 PM

Is anyone else having this problem? Or anyone able to run it successfully?

m_k · 10-24-2007, 07:29 PM

Haha... that was easy - regional settings

Works fine with "." as a decimal separator, hangs with ",".

shawngano · 10-24-2007, 07:41 PM

Glad you got it working and that is good to know the cause! I will try to update the app so it will run with different regional settings.

10-24-2007, 03:49 AM	#1
shawngano Member Join Date: Sep 2007 Location: Houston, TX Posts: 71	WWJ in satellite tracking app Hi I just integrated WWJ with a small 2D java app that I used to predict satellite locations using two line elements. I have a screen shot and a windows download if anyone is interested. http://www.gano.name/shawn/JSatTrak/ - Shawn

10-24-2007, 08:23 AM	#2
patmurris WWJ Consultant Join Date: Jun 2005 Location: Saint-Paul de Vence, Alpes Maritimes, France Posts: 3,412	I tried the webstart but couldnt find wwj... i had trouble getting a track to show in 2D either, so it may be just me confused __________________ My World Wind Java Blog & WW.net Plugins page

10-24-2007, 05:26 PM	#6
m_k Bored Explorer Join Date: Nov 2004 Location: Warsaw, Poland Posts: 1,737	When I try to drag a satellite (ISS) to the Satellite List I get 'Error reading TLE' and the program stops responding (have to kill it from the Task Manager). This is with version 1.1 and 2 of the webstart. __________________ Hot stuff: FAQ, forum search, DirectX, .NET, Video Card Compatibility list

10-24-2007, 07:29 PM	#9
m_k Bored Explorer Join Date: Nov 2004 Location: Warsaw, Poland Posts: 1,737	Haha... that was easy - regional settings Works fine with "." as a decimal separator, hangs with ",". __________________ Hot stuff: FAQ, forum search, DirectX, .NET, Video Card Compatibility list

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10-24-2007, 03:23 PM	#3
shawngano Member Join Date: Sep 2007 Location: Houston, TX Posts: 71	No, most of it is probably my confusing interface and website :] The webstart is only for my older version (1.1) that doesn't have wwj -- only the windows packaged file under the 2.0 section has wwj. I will post a new webstart version once I get it working. Thanks for trying though! For future reference, to get a satellite in the scenario using the webstart version you have to choose "Show Satellite Browser" from the Windows menu (then you will get a dialog saying no data was found on the local drive (since you are using the web start), hit yes to download the TLE data directly from the web), after that the Satellite Browser should appear and you can browse through the tree structure to find sats of interest then just drag them over to the "Satellite List" and their ground tracks will be added.

10-24-2007, 03:39 PM	#4
shawngano Member Join Date: Sep 2007 Location: Houston, TX Posts: 71	Oh yeah, in the newer version to see the WWJ you have to open a new 3D window from the windows menu. It doesn't open one by default.

10-24-2007, 04:27 PM	#5
shawngano Member Join Date: Sep 2007 Location: Houston, TX Posts: 71	Okay, I have a new webstart working: http://www.gano.name/shawn/JSatTrak/JSatTrak_v2.jnlp Hopefully that will work better.

10-24-2007, 06:22 PM	#7
shawngano Member Join Date: Sep 2007 Location: Houston, TX Posts: 71	Doh! Sorry it isn't working for you... I have tried it on a couple of windows and linux boxes and I haven't gotten that error. I will check into it.

10-24-2007, 07:17 PM	#8
shawngano Member Join Date: Sep 2007 Location: Houston, TX Posts: 71	Is anyone else having this problem? Or anyone able to run it successfully?

10-24-2007, 07:41 PM	#10
shawngano Member Join Date: Sep 2007 Location: Houston, TX Posts: 71	Glad you got it working and that is good to know the cause! I will try to update the app so it will run with different regional settings.

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