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Addon Development Thread
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| Voekoevaka | Date: Sunday, 22.09.2013, 11:21 | Message # 301 |
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| I added the possibility to swap coordinates of the model, and the program now can directly read on .obj files. If you have a .3ds file, just convert it using anim8tor.
Download
The conversion can be very long.
There's also a small bug on the program, I don't know where it comes from : il creates black dots on white areas. With a little gimp-ing, the problem is solved.
Want some music of mine ? Please go here !
Edited by Voekoevaka - Sunday, 22.09.2013, 11:23 |
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| HarbingerDawn | Date: Sunday, 22.09.2013, 11:21 | Message # 302 |
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| Quote (Voekoevaka) How do they work ? Maybe I can do something with these.
I don't know anything about it, but I can link you to some places that my research has taken me.
http://sbn.psi.edu/pds/archive/shape.html < This is a place where you can download shape models for many different Solar system objects
http://forum.celestialmatters.org/viewtopic.php?t=337 < A thread where Fridger Schrempp talks about a method he devised for converting these shape models directly into CMOD meshes for Celestia. Could be useful for understanding how they work.
https://isis.astrogeology.usgs.gov/IsisSupport/index.php?topic=3711.0 < A different thread where other people talk about making the data useful for a different purpose. Again, could be useful.
I'll keep looking into it also, hopefully one of us finds a way to turn these into either 3D models or height maps.
 That's amazing! I'll look at it immediately!
Success! I found a way to convert CMOD to 3DS using 3D Object Converter and 3D Exploration together.
Voekoevaka, try this model and see if you can make a map from it 
http://yadi.sk/d/EDhP_nsR9gF2M
All forum users, please read this!
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| werdnaforever | Date: Sunday, 22.09.2013, 12:42 | Message # 303 |
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| For converting meshes there's meshlab:
http://meshlab.sourceforge.net/
I don't think it will be of any use for CMOD files, but it should be more useful for SE addons.
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| HarbingerDawn | Date: Sunday, 22.09.2013, 13:16 | Message # 304 |
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Cosmic Curator
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| Quote (werdnaforever) For converting meshes there's meshlab:
Personally I find 3D Exploration more useful.
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| Voekoevaka | Date: Sunday, 22.09.2013, 13:32 | Message # 305 |
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Here's the bump map I obtain for Epimetheus. We can see some pixelated parts corresponding to the points of the mesh.
Note the black spot on the white side.
This is note the case here, but sometimes, there's a point with no purpose outside or inside the model in the obj file, and it makes small problems for calibration of the colors. Bit with the contrast tool of gimp, it dissapear.
I tried to execute it on the Toutatis model, but it crashes during the drawing, I am trying to discover why.
Want some music of mine ? Please go here !
Edited by Voekoevaka - Sunday, 22.09.2013, 13:34 |
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| HarbingerDawn | Date: Sunday, 22.09.2013, 14:14 | Message # 306 |
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| Quote (Voekoevaka) I tried to execute it on the Toutatis model, but it crashes during the drawing, I am trying to discover why.
I was able to get the Toutatis model to work. The only problem I see is that the bump map's detail is much less than the detail of the mesh (I don't know if that can be corrected or not). Aside from that, the png that is generated is in RGBA format with 8-bit channels (which leads to stair-step artifacts in SE). It would be best if it was in grayscale without an alpha channel and in 16-bit (again, I don't know if you can do that or not). The biggest problem with 16-bit is that GIMP does not support it, at least natively.
It's a very cool program though, good work. I will try to work on getting some of those Celestia models into SE soon.
All forum users, please read this!
My SE mods and addons
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Edited by HarbingerDawn - Sunday, 22.09.2013, 14:16 |
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| Voekoevaka | Date: Sunday, 22.09.2013, 14:21 | Message # 307 |
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| Quote (HarbingerDawn) The only problem I see is that the bump map's detail is much less than the detail of the mesh (I don't know if that can be corrected or not).
Try increasing the size of the image, or decreasing the size of spots.
Quote (HarbingerDawn) It would be best if it was in grayscale without an alpha channel and in 16-bit (again, I don't know if you can do that or not).
This is what I'm working on.
Want some music of mine ? Please go here !
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| HarbingerDawn | Date: Sunday, 22.09.2013, 14:36 | Message # 308 |
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| Quote (Voekoevaka) Try increasing the size of the image, or decreasing the size of spots.
I did both, no change.
Quote (Voekoevaka) This is what I'm working on.
Cool
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| RockoRocks | Date: Monday, 23.09.2013, 07:35 | Message # 309 |
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| More Star Wars planets!! I'm now officially done creating all the other planet systems from the original saga.
Bespin
Dagobah
Corellia (still being worked on) + Gus Talon
I will be inactive on this forum for the time being. Might come back eventually
AMD AR-3305M APU w/ Radeon HD 1.90 GHz 6,00 GB RAM
Edited by RockoRocks - Monday, 23.09.2013, 07:47 |
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| SpaceEngineer | Date: Monday, 23.09.2013, 10:48 | Message # 310 |
 Author of Space Engine
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| Quote (HarbingerDawn) All of Celestia's meshes were in Celestia's CMOD format, which we can't use. No software tools exist publicly for converting CMOD to other formats (as far as I know).
cmod is a text format similar to obj, isn't it? And points there are just corresponds to points in a simple cylindrical texture. At least in old Celestia. Many years ago I made a simple program that converts a vertex data from cmod file to a 16-bit grayscale raw texture. The code is in attach, it can be useful.
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| spacer | Date: Monday, 23.09.2013, 13:08 | Message # 311 |
 Star Engineer
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| i need this planets please!
"we began as wanderers, and we are wanderers still"
-carl sagan
-space engine photographer
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| HarbingerDawn | Date: Monday, 23.09.2013, 13:16 | Message # 312 |
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| Quote (spacer) i need this planets please!
spacer, addon developers will release their addons when they are ready to. Do not make demands.
Also, continuing the cmod/asteroid models discussion, SpaceEngineer made a post worth looking at on the bottom of the last page just before spacer posted. Voekoevaka, you'll probably find it more useful than anyone else.
All forum users, please read this!
My SE mods and addons
Phenom II X6 1090T 3.2 GHz, 16 GB DDR3 RAM, GTX 970 3584 MB VRAM
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| RockoRocks | Date: Monday, 23.09.2013, 18:03 | Message # 313 |
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| Quote (spacer) i need this planets please!
spacer, glad to see you're excited for my expansion on Toty's Star Wars addon. It will be released this week, but then I will continue to add more and more planets.
I will be inactive on this forum for the time being. Might come back eventually
AMD AR-3305M APU w/ Radeon HD 1.90 GHz 6,00 GB RAM
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| spacer | Date: Monday, 23.09.2013, 18:14 | Message # 314 |
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| Quote (RockoRocks) spacer, glad to see you're excited for my expansion on Toty's Star Wars addon. It will be released this week, but then I will continue to add more and more planets.
where?
"we began as wanderers, and we are wanderers still"
-carl sagan
-space engine photographer
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| RockoRocks | Date: Monday, 23.09.2013, 18:16 | Message # 315 |
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Here, in this thread, of course. (a mediafire.com link will be provided)
I will be inactive on this forum for the time being. Might come back eventually
AMD AR-3305M APU w/ Radeon HD 1.90 GHz 6,00 GB RAM
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