Live 2022.09.11

Greeble Techniques

Taking a look at some methods to quickly build out geometric detail using greebles.

Scene File

2022_09_11_greeble_techniques.hiplc

Lot Subdivision

The Labs Lot Subdivision node is quite useful to quickly build detail to geometry.

2022_09_11_labs_lot_subd.hiplc

2022_09_11_extract_face_transform_labs_lot_subd.hiplc

References

For more inspiration on how this type of workflow could be extended, check out Holden Haotian Zhang's Houdini Greeble Tool

Video On Demand

• 00:02:05 Instancing methods in Solaris
• 00:03:55 Instancing using the copy to points LOP node
• 00:04:56 Editing the instance points inside of the copy LOP node
• 00:07:00 Instances and Prototypes
• 00:07:45 Directing the orientation of copies using the normal attribute
• 00:09:00 Adding ground plane, lights, etc.
• 00:14:45 Starting the second example
• 00:15:21 Labs Lot Subdivision SOP
• 00:16:46 Insetting surfaces using polyexpand node and a for loop block
• 00:19:27 Local control over extrusion using randomized zscale attribute
• 00:20:22 Scale faces independently using primitive properties SOP node
• 00:27:30 Using hscript expression to randomize the face rotations
• 00:28:31 Beveling edges
• 00:35:00 Extracting a transform matrix from each box
• 00:38:32 Adding labeled output nodes
• 00:43:25 Importing packed prims into Solaris as instances
• 00:45:06 Adding lights to the scene
• 00:46:00 Adding a camera
• 00:50:35 Adjusting spotlight parameters on the light
• 00:53:40 Adding a dome environment light
• 00:59:00 Creating materials
• 01:10:00 Setting up the physical lens shader for Karma
• 01:19:16 Enabling ACES using the SideFX labs menu
• 01:33:30 Using the image viewport in Solaris
• 01:36:20 Final composition and wrapping up