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Maxwell Render 2.5 User Manual

Chapter 9. The core rendering application | 43

9.02 The Render Options Tab: setting up the render

F.01 Render Options

The following options are specic to the core rendering engine:

9.02.01 Scene

The Maxwell Render approach to rendering is quite different from that of other rendering

engines. Because of its physically correct behavior and spectral calculations of light, there

is no concept of a “nished” render. The render will keep calculating until you stop it.

There are two ways to stop a render in Maxwell Render: by setting a Sampling Level (SL:

level of quality) or by setting a Render Time (in minutes). If you set both parameters, the

render will stop when one of them is reached. This double approach gives you a lot of

exibility to control the quality.

Setting the Sampling Level is useful to ensure that all the frames of your sequence will

reach the same quality level, regardless of the time needed for each specic frame. I.e. set

SL to 10 and Render Time to 10.000 to ensure that the rst condition to be reached is SL.

Setting the Render Time is useful if you want to get results within a specic time frame.

I.e. set you SL to 30 and the Render Time to 5 (minutes) to make sure that your render

will stop in 5 minutes. If you are not sure what SL or Render Time to put to reach the

desired quality, just put in high numbers for both so that the image keeps rendering. You

can then check every once in a while to see if you are pleased with the quality of the image

and stop the render anytime.

• Scene File: Specify the location of the MXS le.

• Camera: Choose which camera in the MXS should be used for rendering.

• Time (min): Set the maximum render time (in minutes) for the render. The longer

the time, the cleaner and more accurate your image will be.

• Sampling Level: Maximum sampling level required. The render will stop when this

SL is reached. As with the “render time” parameter, a higher sampling level will give

a cleaner and more accurate image. It is important to know that there is no standard

SL value to get an acceptable quality level, because it depends entirely on the scene.

Some scenes can be completely noise-free at SL=8 or even earlier, while others may

need to get to SL=16 or higher. It is important to remark that the Sampling Level

standards were re-written for Maxwell Render version 2, so it cannot be used as a

quality comparing parameter for images created in version 1.x and version 2.x. In

fact, the same Sampling Levels in Maxwell 2 show a much higher quality than those

in Maxwell 1.x.

• Frames: Specify a range of MXS frames to be rendered. For example: 5,8,9 will

render frames name0005.mxs, name0008.mxs and name0009.mxs. To render frames

1 through 10, type in 1-10.

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 166 167

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Arrow Group Industries LM86 Manual do Utilizador Página 43