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Layered sandstone

In your harnessProcedural textureMIT

Generate tileable PBR maps of layered sandstone: wavy strata of uneven thickness, cross-bedding, differential erosion and optional honeycomb weathering. Use for cliffs, canyon walls, building stone and desert rock.

Render of Layered sandstone
The render its check recorded in Godot 4.7.2, 256 by 256 pixels.

What it takes and gives

Entry point
generate
Maps
albedo, normal, roughness, height, ao
Parameters
strata, thickness_variation, waviness, cross_bedding, erosion, honeycomb, hue_shift, saturation and 1 more
Presets
default, buff, tafoni_coast, swirled, grey_flagstone
Tileable
yes
Command line
python sandstone_strata.py --size 1024 --seed 7 --preset NAME --out DIR [--width W --height H] [--set NAME=VALUE] [--directx-normal] [--orm]
Godot material
material.tres
Blender builder
blender_material.build_material(folder)

Limits. Strata run across the tile height, so a wall must be oriented with its bedding horizontal in UV space. Cross-bedding is a periodic lamina pattern, not a sediment simulation. Honeycomb pits are Voronoi cells. Occlusion is a blurred-height estimate.

Details

Kind
Procedural texture
Engine
Python 3.10 or later
Files
12 files, 222.6 KB
Licence
MIT
Declared effects
runs commands, writes files
Checked with
Godot 4.7.2, gl_compatibility
Checks
command line generates declared maps, maps decode, maps have declared size and channels, maps tile without a seam, normal vectors unit length facing out, maps carry detail, godot imports the maps, godot material template loads every map, godot compatibility render, capture shows the textured surface, blender builds the material
Techniques
Banded strata from uneven boundaries and low-frequency boundary waves, Periodic inclined laminae with integer wave numbers, Differential erosion from per-stratum hardness, Worley borders for honeycomb weathering, Height to tangent-space normal by central differences
Tags
texture, pbr, tileable, sandstone, stone, strata, rock, procedural
Identity
library.supply.creative_originals.efd191b119cd2efd018871f7.fa062379f3f4a60a
Version
fa062379f3f4a60a6ba4bd31fcdf7d4e52d566c3bc347595604d81e226a2d09b

The version is the SHA-256 of the item your harness downloads; every file in it names its own checksum.

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