Creating specific stone wall pattern

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Hello

I'm trying to create a specific stone wall pattern but so far I've been struggling to get the result I'm looking for.

This is the stone pattern I'm trying to create:


While somewhat random there is some logic logic in this pattern.
The bricks here are mostly square or rectangular and the space in between follows a horizontal line where some split off, creating two new ones. As for the holes left after the bigger stones, these are filled with smaller rocks or pebbles.

The main thing I've tried so far is creating specific fractures by manipulating points and then fracturing a grid but the results I get are too random and erratic and I'd like to have some control over it.
I've also looked for resources online but what I found either uses the classic brick pattern or fractures which from what I've tried doesn't get me the desired result.

This is what I've ended up with so far:


Does anyone have some advice on how I could approach this?
Edited by tomgro - Sept. 26, 2024 12:37:03

Attachments:
stone_wall.jpg (5.1 MB)
wip.png (1.7 MB)

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Try this.
Edited by cncverkstad - Sept. 26, 2024 12:44:35

Attachments:
justideA.hipnc (243.2 KB)
id.jpg (141.0 KB)

Conservation of Momentum
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Wow, this is very impressive. I never thought of doing it like this.
This should help me progress a lot further towards the result I'm looking for.

Thanks a lot
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Hi tomgro,

you could also

  1. point relax and resample curves to create the horizontal pattern.
  2. voronoi fracture to cut out the stones.
  3. remap and clip the distance to the stones' outlines for the chinking.
Edited by Konstantin Magnus - Sept. 26, 2024 23:13:09

Attachments:
stone_wall_pattern_straight.jpg (144.7 KB)
stone_wall.hip (363.1 KB)

https://procegen.konstantinmagnus.de/ [procegen.konstantinmagnus.de]
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Hi Konstantin,

I appreciate your response. I like the result here and it's nice that it creates some of the smaller pebble shapes.

For the past few days, I've been trying to see how far I can bring it, but no matter what I try here, I can't get the red horizontal lines I'm looking for.



Is there a way to control the fractures to allow for those lines while keeping the unique shapes?

Attachments:
Rock_pattern.jpg (5.9 MB)

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Hi tomgro,

glad you like it.

I've added a primitive node called 'flatten'. Bring its 'scale Y' parameter closer to 0.0 for strictly horizontal lines.

Is this what you meant?

Attachments:
stone_wall.hip (390.6 KB)
stone_wall_horizontal.png (211.5 KB)

https://procegen.konstantinmagnus.de/ [procegen.konstantinmagnus.de]
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Yeah, I notice I'm not really good at explaining this.

The main thing I'm currently missing is a way to control the shapes and their placements.

With how it's currently set up, the shapes and placements are decided based on the point's placements before fracturing.
I get that the points here can be altered by changing the scatter and noise values. That said, you don't seem to have a lot of control over the difference in size and shape from rock to rock. For example: You want around 30% of the rocks to be smaller in size while keeping the size of the bigger rocks the same.
Unless I'm missing someone, there's no way to influence this with the fractures.

This however is most likely just a natural result of how the Voronoi fracture handles points in general.
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tomgro
You want around 30% of the rocks to be smaller in size while keeping the size of the bigger rocks the same.

What is supposed to appear around smaller sized stones? more pebbles?
https://procegen.konstantinmagnus.de/ [procegen.konstantinmagnus.de]
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Mainly more small and big rocks. While it would be nice to do it all with the pebbles in one go, they are primarily in the crevices so it seems better to do them separately later.
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