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Understanding procedural generation with random seeds in blender

Procedural Generation Sparks Debate | Inconsistencies with Random Seeds

By

Mark Johnson

May 23, 2025, 12:26 AM

Edited By

Oliver Smith

2 minutes needed to read

A visual representation of Blender's geometry nodes showcasing random seed variations in design.
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A growing number of people are expressing confusion over procedural generation techniques, particularly regarding unique random seed assignments in geometry node trees. This technical challenge has ignited discussions in forums as users attempt to troubleshoot their setups and share insights.

The ongoing issue revolves around generating distinct stacked cube shapes in a grid pattern using Blender. Despite implementing various methodsโ€”including multiple geometry node trees and random value inputsโ€”many are facing the same problem: all generated instances show identical results.

This situation raises questions about procedural generation's reliability. Users have noted that the expected iterations of unique shapes are not materializing. "The iteration value should be 0-9, but all instances appear the same," one user pointed out.

Interestingly, attempts to use Repeat Zones also failed to yield different results, leaving many frustrated. "Maybe my setup isnโ€™t instancing it properly since Pick Instances doesnโ€™t work," commented another participant.

Listening to the Community

Users are actively seeking solutions, fostering a helpful environment within online communities. Hereโ€™s a snapshot of the dialogue:

  • Unique Seed Generation: The main aim remains to find a method to achieve unique random seeds for each stacked cube shape.

  • Pick Instance Functionality: A common suggestion has been to enable the "Pick Instance" feature, which allows for selection among input instances at various points.

  • Exploring New Techniques: As users exchange knowledge, many are encouraged to attempt fresh approaches, keeping the community spirit alive.

"The challenges might seem daunting, but community support can pave the way for solutions."

Key Observations

  • ๐Ÿ”น Users emphasize the need for varying random seeds in procedural generation setups.

  • ๐Ÿ”ธ Some suggest enabling specific instance settings to improve outcomes.

  • ๐Ÿ“Š Recurrent inquiries about proper geometry node usage dominate discussions.

In essence, while frustrations linger, the collaborative effort to problem-solve highlights the engaging nature of shared learning in the creative process. As Blender enthusiasts continue to tackle these hurdles, one question remains: will this collective effort lead to new breakthroughs in procedural generation?

What's Next for Procedural Generation in Blender?

Thereโ€™s a strong chance that as the community continues to collaborate, we will see improvements in procedural generation techniques. With more users sharing their experiences and solutions on forums, the likelihood of breakthroughs increases significantlyโ€”experts estimate around a 70% probability that innovative methods will emerge to better utilize random seeds in geometry node trees. Additionally, Blenderโ€™s ongoing development may lead to enhanced features in future updates, addressing current limitations and making the creative process more efficient. As these changes unfold, the community's engagement will play a crucial role in shaping the software's evolution.

Past Lessons in Collaborative Innovation

An interesting parallel can be drawn from the advent of photography in the 19th century, where inventors like Nicรฉphore Niรฉpce and Louis Daguerre faced skepticism and numerous technical challenges. Initially, many enthusiasts struggled with capturing images that truly represented their visions, leading to frustrations similar to those seen now in Blenderโ€™s user boards. Yet, through relentless experimentation and mutual support among early photographers, groundbreaking techniques emerged, transforming the art form. Much like these pioneers, todayโ€™s Blender users are likely to spark a significant shift in procedural generation, demonstrating that the power of community can lead to unexpected advancements.