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Thread: Different Conic drawing modes

  1. #1
    Sr. Spacecraft Engineer Rascal Nag's Avatar
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    Different Conic drawing modes

    Title should be self explanatory. I did this in order to make sure everyone could get a nice visual representation of what happens with each mode. I\'ve used a Mun free return as the maneuver to use to demonstrate each type.

    [spoiler][/spoiler]
    Mode 0 (Relative to each body\'s current position). Here, the Mun\'s orbit looks all kinds of messed up. It\'s not, though. As the Mun moves through its orbit as time progresses, this projected orbit will become closer and closer to our Kerbin escape and re-encounter.

    [spoiler][/spoiler]
    Mode 1, the default (Draws orbits relative to their position at SOI entry). Here, the exit point looks severed from the ship\'s path due to the entry point being the point of reference now. When we get into the orbit of the Mun, the exit point will obviously make its way over to the correct point.

    [spoiler][/spoiler]
    Mode 2 (draws orbits relative to their position at SOI exit). This one is a bit weird to look at at first, but it gets clearer as you think about it. Here, the Mun orbit is where it will be when I leave the SOI to go back to Kerbin. This causes the entry point to seemingly be disconnected, but it\'s not.

    [spoiler][/spoiler]
    Here is mode 3 (draws relative to the body you are orbiting). As you can see, it looks like you would expect: No sudden breaks or turns in the lines. I find this to be a very useful tool for maneuvers such as the free-return.

    [spoiler][/spoiler]
    And finally, here is mode 4 (Lerped mode). It\'s... odd. I think that, as my ship closes in on the SOI switch, these orbits will move and match up more. But when you\'re first doing your burn, it\'s a bit confusing.
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  2. #2
    Sr. Spacecraft Engineer Haplap's Avatar
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    Re: Different Conic drawing modes

    I think in gonna stick to mode 1. Thanks for the info, though!
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  3. #3
    Sr. Spacecraft Engineer Jon Tash's Avatar
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    Re: Different Conic drawing modes

    Hm... Interesting, I always thought the mode 4 was the easiest one (I\'m using it at the moment).
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  4. #4
    Bottle Rocketeer
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    Re: Different Conic drawing modes

    I realize this isn\'t quite in the purview of the original post, but - how did you get that purple orbit to show up? When I do it, I only get the blue and yellow lines.

  5. #5

    Re: Different Conic drawing modes

    I think he altered the conic draw patch limit (Or something like that). It is displaying 3 conics.

    I\'ve bookmarked this, it is a useful guide. I think I shall use three from now on.

  6. #6
    Philosopherator vexx32's Avatar
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    Re: Different Conic drawing modes

    I think perhaps 1 and 3 would be the most useful and most used modes. 1 is good for pretty much everything, but 3 is particularly good for FRTs and suchlike.

  7. #7
    Sr. Spacecraft Engineer Rascal Nag's Avatar
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    Re: Different Conic drawing modes

    Quote Originally Posted by Zhent View Post
    I realize this isn\'t quite in the purview of the original post, but - how did you get that purple orbit to show up? When I do it, I only get the blue and yellow lines.
    Just go into the settings.cfg, and right by the conics mode setting (either above or below, not sure) you can set how many conics to draw. Like RC1062 said, I have 3 right now.
    "Somewhere, something incredible is waiting to be known"

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  8. #8

    Re: Different Conic drawing modes

    Question - how do you switch between view modes?

  9. #9
    Rocket Scientist cardgame's Avatar
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    Re: Different Conic drawing modes

    Thanks for the information and explanation!

  10. #10
    Sr. Spacecraft Engineer Rascal Nag's Avatar
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    Re: Different Conic drawing modes

    Quote Originally Posted by deadshot462 View Post
    Question - how do you switch between view modes?
    First, just go to your KSP folder. In the same folder as the application (just KSP.exe) you should see settings.cfg. Go in there, and find these lines:

    Code:
    CONIC_PATCH_DRAW_MODE = <insert number here>
    CONIC_PATCH_LIMIT = <insert number here>
    The CONIC_PATCH_LIMIT will give you more conics (display more orbits). Usually 3 will serve most purposes.
    The CONIC_PATCH_DRAW_MODE determines the mode. It\'s 0, 1, 2, 3, or 4.
    "Somewhere, something incredible is waiting to be known"

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