Houdini Python - 05 Arnold Look-dev HDA Part - I

Part - 1 'Set Asset & Light'

Brief Thought:

"The process begins with the creation of the HDA, followed by setting up the camera inside it and seamlessly importing the asset/geometry object, ensuring a smooth workflow. The methodology revolves around focusing the camera on the asset/geometry using Python."

Set Asset & Light Section:

Details :

• Set Geo Path - takes a SOP input of the Asset, in most cases OUT (null) node after having applied for properties like smoothness, materials, object properties, deletion etc.

• Set / Frame Asset to Camera - focus a camera onto the asset which helps in turntable.

• Frame Reset - resets the position of camera to initial value of 0.

• Set Light - the Arnold light is already connected here, so with help of Jump to Operator you can tweak all the parameters of light , connect HDRI for rendering etc.

Dive in HDA :

Main elements needed to start HDA are Camera, Light and Asset.

1. Camera is connected with transform which can help to do transform on behalf of camera to set values to fit camera over object.

2. Light will be used to set parameters like exposure, samples , contribution , HDRI maps etc.

3. Asset will be imported with help of 'object_merge' node and referencing of Set Geo Path Attribute Name, this will help frame asset to camera and render it.

All can be viewed and understand with the help of video and HDA provided below.

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