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Revision as of 18:25, 26 November 2022

Random Walk SSS Sculpture

Taking a look at the new random walk SSS model recently added to Redshift

Latest Redshift Release Features Random Walk and Volumetric Anisotropy.

Scene File

2022_09_11_greeble_techniques.hiplc

Lot Subdivision

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

Below are some examples of techniques using the lot subdivision node.

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

0:00:00 SSS random walk example render
0:00:52 SOP modeling begins
0:06:00 remesh to grid SOP
0:07:00 VOP pattern generation
0:09:00 displace mesh using VOP
0:14:10 modeling the plinth
0:18:20 placing the camera
0:19:00 redshift render and lighting
0:20:00 redshift shader building
0:21:00 SSS random walk settings
0:26:00 iterative displacement using for loop
0:27:40 fix penetrations using detangle SOP
0:47:40 add rectangle area light
1:11:25 adding another rect light
1:14:00 building shader for the plinth
1:18:50 copying rest coordinates initial geo
1:19:50 adding shader noise based on rest coords
1:28:30 layering materials in the shader
1:34:00 adjusting render postFX
1:40:30 final render

@@ Line 32: / Line 32: @@
 == Video On Demand ==
-<embedvideo service="youtube" dimensions="960x540" urlargs="modestbranding=1&showinfo=0">https://youtu.be/sX3KTZrpHgI</embedvideo>
+<embedvideo service="youtube" dimensions="960x540" urlargs="modestbranding=1&showinfo=0">https://youtu.be/5VIX70RdT0k</embedvideo>
-* 00:02:05 Instancing methods in Solaris
+* 0:00:00 SSS random walk example render
-* 00:03:55 Instancing using the copy to points LOP node
+* 0:00:52 SOP modeling begins
-* 00:04:56 Editing the instance points inside of the copy LOP node
+* 0:06:00 remesh to grid SOP
-* 00:07:00 Instances and Prototypes
+* 0:07:00 VOP pattern generation
-* 00:07:45 Directing the orientation of copies using the normal attribute
+* 0:09:00 displace mesh using VOP
-* 00:09:00 Adding ground plane, lights, etc.
+* 0:14:10 modeling the plinth
-* 00:14:45 Starting the second example
+* 0:18:20 placing the camera
-* 00:15:21 Labs Lot Subdivision SOP
+* 0:19:00 redshift render and lighting
-* 00:16:46 Insetting surfaces using polyexpand node and a for loop block
+* 0:20:00 redshift shader building
-* 00:19:27 Local control over extrusion using randomized zscale attribute
+* 0:21:00 SSS random walk settings
-* 00:20:22 Scale faces independently using primitive properties SOP node
+* 0:26:00 iterative displacement using for loop
-* 00:27:30 Using hscript expression to randomize the face rotations
+* 0:27:40 fix penetrations using detangle SOP
-* 00:28:31 Beveling edges
+* 0:47:40 add rectangle area light
-* 00:35:00 Extracting a transform matrix from each box
+* 1:11:25 adding another rect light
-* 00:38:32 Adding labeled output nodes
+* 1:14:00 building shader for the plinth
-* 00:43:25 Importing packed prims into Solaris as instances
+* 1:18:50 copying rest coordinates initial geo
-* 00:45:06 Adding lights to the scene
+* 1:19:50 adding shader noise based on rest coords
-* 00:46:00 Adding a camera
+* 1:28:30 layering materials in the shader
-* 00:50:35 Adjusting spotlight parameters on the light
+* 1:34:00 adjusting render postFX
-* 00:53:40 Adding a dome environment light
+* 1:40:30 final render
-* 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