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алгоритм переноса излучения радиосити.

Тема в разделе "Визуализация", создана пользователем Евгений Сорокин, 12 дек 2007.

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  1. Евгений Сорокин

    Евгений Сорокин Активный участник

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    Можно ли в нем рендерить анимацию? Или же он предназначен только для статичных композиций.
     
  2. Banzay

    Banzay Знаток

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    Да, можно.

    Animation with Radiosity
    By default, a radiosity solution is calculated at the current frame. If you are animating objects and you want to perform a radiosity solution at every frame, select Compute Advanced Lighting When Required in the Render Scene dialog > Render panel > Common Parameters rollout > Advanced Lighting group.

    Once the renderer starts processing each frame of your animation, the radiosity solution will be computed for each frame as required. This occurs, for example, when an object moves, or a light intensity changes. If nothing changes in the scene from one frame to the next, the radiosity engine will not recalculate the solution.


    Note: Due to the random statistical sampling used by the radiosity engine, there might be some flickering between frames. If this occurs, increase the value of Initial Quality or the number of Refine Iterations to solve the problem.

    Tip: Before launching a lengthy animation with radiosity, you should process a radiosity solution manually for a single frame to make sure the results are acceptable.

    Tip: If you animate only your camera (as in an architectural walkthrough) then you can calculate a radiosity solution for only the first frame of the animation, and reuse it in all subsequently rendered frames by turning off Compute Advanced Lighting When Required on the Common Parameters rollout of the Render Scene dialog.

    Avoid using the Automatic Exposure Control for animations. This exposure control can change from frame to frame, creating a flickering effect.


    Object Animation
    The radiosity solution is calculated for each frame if any object is animated in the scene (the default is to calculate the current frame only). You specify the parameters (goals/quality) you want to reach on the Advanced Lighting panel. It is recommended to run a solution first and verify if it’s successful before proceeding to the whole animation. These parameters will then be reprocessed for each frame.

    You go to the render dialog, Common Parameters rollout, and enable the option Compute Advanced Lighting When Required, and then render the scene. The radiosity is processed for the first frame and then rendered. 3ds Max then moves to the next frame, processes radiosity, renders, and so on.

    Camera Animation
    If objects remain static in the scene and only the camera moves, you can solve radiosity at frame 0, and when you render the animation, turn off Compute Advanced Lighting When Required.

     
  3. Евгений Сорокин

    Евгений Сорокин Активный участник

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    спасибо очень большое,разобрался :)
     
  4. Евгений Сорокин

    Евгений Сорокин Активный участник

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    только мерцания накак не могу убрать...
     
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