---
title: "Corona Sky Shader"
canonical: "https://documentation.chaos.com/space/CRC4D/124756535/Corona%20Sky%20Shader"
format: markdown
---
This article explains the settings and values for the Corona Sky shader in Cinema 4D.


## **Overview**

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### **Tutorial: Sun and Sky with Chaos Corona for Cinema 4D**

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> Macro (html)


## **Shader Properties**

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![image](media://5bbe9d0b-3d24-44fb-802e-433bea236d73)

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#### **PRG Clear Sky***** - *****Intensity**


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#### **PRG Clear Sky***** - *****Fake Horisont Blur**


![image](media://c72a6b4a-8c74-4bd2-8a83-2ffce7181d44)


## Sky model PRG Clear Sky

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#### **PRG Clear Sky***** - *****Turbidity**


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#### **PRG Clear Sky - Altitude [m]**


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#### **PRG Clear Sky - Volume effect**


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#### **PRG Clear Sky - Scale**



## **Sky model Rawa-fake**

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#### **Rawa-fake***** - *****Horizon color**


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#### **Rawa-fake***** - *****Zenith color**


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#### **Rawa-fake***** - *****Sunside glow**


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#### **Rawa-fake***** - *****Sundisk glow**



## **Sky model Hosek & Wilkie**

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## **Clouds**

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### **Tutorial: Procedural Clouds with Chaos Corona for Cinema 4D **

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> Macro (html)


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#### **Clouds***** -***** Amount**


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#### **Clouds***** -***** Variety**


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#### **Cirrus Amount**


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#### **Clouds Phase**


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#### **Clouds Density Scale**


![image](media://28d9ac22-1f41-4fb6-b06e-a0237904b479)

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#### **Clouds Seed**


![image](media://07ee525f-2dfc-4cdb-94fe-76fe3db87109)


## **Clouds Position**

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#### **Clouds Position***** -***** Height [m]**


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#### **Clouds Position***** -***** Altitude [m]**



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#### **Clouds Position***** -***** Offset X [m]**


#### **Clouds Position***** -***** Offset Z [m]**


## **Contrails**

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#### **Clouds Contrails***** -***** Plane count**


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#### **Clouds Contrails***** -***** Time**


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#### **Clouds Contrails - Strength**


![image](media://f93737bb-f9d9-41df-942c-0063c065bbf6)

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#### **Clouds Contrails - Distortion**




## **Stars** 

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## **Stars Examples** 

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### **Size Mult.**


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### **Size Diff.**


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### **Intensity Mult.**


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### **Milky Way Mult.**