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  1. S

    Linux playground

    OK, I got it and will look into zip file package. Yes, Martin did that. That is same code (sigma equations) from VSOP87 package. I recongized that additional code is used with Calculus formula. R = f(sum) = cos(term) for position V = f'(sum) = -sin(term) for velocity That is in...
  2. S

    Linux playground

    I found VesselBuilder on GitHub but can't find GeneralVehicle. VB is written in C++ but uses a lot of Windows function calls. It needs to being changed a lot for compatible with cross-platform libraries like Qt, GTK, Gnome, etc. I also am looking some MFD modules for interplanetary, reentry...
  3. S

    Linux playground

    Hmm. That spaghetti debugging is new to me. Which debugger uses that?
  4. S

    Linux playground

    OK, hold on. I tried it on Linux but it did not work. I did try shared module as test program on MinGW and it only worked on MinGW under Windows. I will investiagate it later.
  5. S

    Linux playground

    static void __attribute__ ((constructor)) setup(void) { static bool need_init = true; if(!need_init) { return; } need_init = false; Dl_info info; int ret = dladdr((void *)setup, &info); if(ret == 0) { printf("dladdr failed\n"); assert(false)...
  6. S

    Linux playground

    Color key is not needed for OpenGL but need set up all zeroes in RGBA color for transparent.
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    More vehicle dynamics books

    Folks, Ok, I found more ebooks about vehicle dynamics from CRC press publisher. Road Vehicle Dynamics: Fundamentals and Modeling with MATLAB® (2nd edition) Driveline Systems of Ground Vehicles: Theory and Design Dynamics of Wheel-Soil Systems: A Soil Stress and Deformation-Based Approach I...
  8. S

    Linux playground

    I replied to XR limitation topics and explained about tiny panels. For match egdes, you might take a look on D3D9 client code. I saw match edge routines in D3D9 client code. Did you write OGLClient from scratch or where did you get from? Be aware about jittery issues when round-off errors...
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    Problem Tiny XR2 panels in 4K resolution

    Today there are many 4K HDR monitors on market. That issue still needs to be fixed. I tried Linux version of Orbiter with XR vessels but my panel was still not stretched to fit and its text is too small to read. I have the same problem like that.
  10. S

    Linux playground

    Also I tried that DeltaGlider at moon but some part of landing pad are not on ground. Also I noticed that match edges needs corrected.
  11. S

    Linux playground

    No, Panel get stretched with Delta Glider that came with Orbiter. I tried XR1 but panel was not stretched. Same as XR5. Only Delta-Glider got stretched panel. Update: I checked XRVessels repo and there are XR*InstrumentalPanel.cpp/h files so that you can update codes to fit 4K resolution...
  12. S

    Linux playground

    Yeah. I confirmed that. Panel was still not stretched when I resized and maximize to 4K screen. Yes, resizing is now working so well. I kept getting repeating errors like that: PolyLineSet::Load failed PolyLineSet::Load failed PolyLineSet::Load failed PolyLineSet::Load failed...
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    Aircraft tire dynamics

    Thanks for a link but it only mentions tire modeling, not dynamics. I now found good book called: "The Science of Vehicle Dynamics" 2nd Edition. That is available on Springer.com. I bought it with Back to School coupon (50% off discount). It will be 3rd edition coming out next year. I...
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    Aircraft tire dynamics

    Does anyone have good book about aircraft tire dynamics for landing/taking off and lateral (load) /longitudual (rolling) forces? I checked Aircraft Design books but did not have any information about tire dynamics except in vehicle dynamics books (designed for cars). Thanks, Tim
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    Linux playground

    On Orbiter 2016 edition, I tried set 2560 x 1440 on video tab but got a message said that initializing 3D enviroment with hardware device failed. It only work on Llinux version. Windows version only support up to 1920 x 1080 HD format on GTX 1080 card. Today there are now many 4K and above...
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    Linux playground

    Ok, I now got it. I had changed default resolution in OGLCLient.cpp and got bigger window. However, panel was still not expanded to fit. Text was too small to read. I figured them out by reading Orbiter document. I had to press Ctrl-P to start time and was now able taking off. I had to...
  17. S

    XR Vessels Open-Source Development

    Does anyone plan to create new XR2 mesh and bitmap files under GPLv3 license as replacement?
  18. S

    Linux playground

    Ok, I extracted from XR2 package that I downloaded it before he removed them. I noticed new issues with window resize and time simulation. Time did not start (freeze forever). Instrument panel did not get resized when I tried to resize it to bigger window.
  19. S

    Linux playground

    He removed files from releases due to copyrighted files. He said that they cannot be released.
  20. S

    Project Energia transporter project

    Good job!! How about space shuttle?
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