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Use Camera scene environment – Controls the override of the global illumination from the camera. When Enabled, the color/map below this control will be used as override. When Disabled, the override will be disabled.

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Use Camera scene environment override is available starting from Corona 12.

Direct Override – Controls override of the environment map visible directly from the camera.
Reflect Override – Controls override of the environment map visible in reflections.
Refract Override – Controls override of the environment map visible in refractions.
Global Volume Override - Enables global volume override for this camera.

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Environment Override Examples

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The below examples come from a single scene:

A camera using a forest HDRI as the scene environment with a reflection override enabled so that there are no tree reflections in the water: 


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Another camera using a daylight HDRI as the scene environment and an evening HDRI as the reflection override:  


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Camera clipping

Enable – Enables camera clipping - only objects between the minimum and maximum distance are visible when looking through the camera both in the viewport and in rendering.

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This applies just to direct visibility rays - it does not affect GI and reflections.

Show in viewport Shows the clipping frame in the viewport.

Near – Only surfaces beyond this distance are visible through the camera.

Far Only surfaces closer than this distance are visible through the camera

Environment Ranges

Show in viewport Shows the environment range in the viewport.

Near/Far Controls the eds Max Environment range. This is used for example by the 3ds Max native Fog effect and to set Z-Depth to render element range.

Camera physical size

Show in viewport – shows camera phisical size in viewport.

Size – Determines the physical size of the camera lenses. With the default value of 0, the camera will always either be competely inside a medium or competely outside of it. In order to render image which is partly in a medium and partly outside of it (e.g. an image that shows both above water and under water parts of the scene), you must set the physical size in such a way that a box of this size centered in the camera origin overlaps the boundary of the medium (e.g. the surface of the water). This imaginary box can also be seen as an objects with a slicer material that removes the part of the medium surrounding the camera.


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To learn more about using the Camera Physical Size, see: New Volume Resolving in Corona 10 at the Chaos Help Center.

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Overrides

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Use Camera scene environment – Enables the global environment map override when rendering from this camera. 

Direct Override – Enables the direct environment map override when rendering from this camera. 

Reflect Override – Enables the reflect environment map override when rendering from this camera. 

Refract Override – Enables the refract environment map override when rendering from this camera. 

Global Volume Override – Enable global volume override for this camera.

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The following renders are from exactly the same scene. The volume is made from a simple water plane with displacement and surrounding walls.

 

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The camera is below the water surface:

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The camera is placed on the water surface:

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