Skeletonized Heightmap Erosion Pipeline POC

Skeleton settings

Skeleton anchors, 16 levels Skeleton anchors, 32 levels Skeleton anchors, 256 source levels Every pixel as an anchor

Surface settings

Iterative B-spline Spectral regularized B-spline WebGL Gaussian scale-space surface Terrace-aware Gaussian surface Multiscale Gaussian surface Gaussian octaves surface Dual pixel/image Gaussian Quintic B-spline surface Spectral screened thin-plate surface

Gaussian sigma 0.010 Terrace sigma 0.035 Terrace clamp 1.00 Gaussian detail 0.35 Gaussian octaves 2 Thin-plate scale 0.030 B-spline smoothing scale 0.013 Pixel Gaussian 1.00

Anchor height filter Amount 0.00 Gamma 1.60

Surface height filter Amount 0.00 Gamma 1.60

Surface noise Amount 0.0000 Scale 16 Octaves 1 Height weight off Seed 0

Surface brush Amount 0.030 Radius 0.050

Erosion settings Strength 0.22 Scale 0.15 Gully weight 0.50 Detail 1.50 Octaves 5 Cell scale 0.70 Slope frequency off Slope freq amt 1.00 Normalization 0.50

Fade target

Laplacian fade Heuristic fade Slope x Laplacian fade Neutral

Default height 0.45 Fade curvature 25

Simple render Water height 0.47

Inspection preview

Source heightmap

Quantized terraces

Skeleton pixels

Skeleton overlay

Reconstructed surface height

Mouse edit layer

Eroded height

Reconstructed heightAndSlope RGB

Initial slope magnitude

Initial erosion fade target

Final ridge/crease map

Simple terrain render

ShaderToy-style 2D terrain render

Eroded bump map

ErosionFilter diff RGBA

ErosionFilter R grayscale (height delta)

Choose an 8-bit heightmap image to begin.