{
"Description": "Settings for how meandering streams are warped into meanders on the streammap.",
"EnabledChance": 0,
"EnabledChanceDescription": "Percent chance for a stream to be a meandering stream.",
"MeanderIterations": 10,
"MeanderIterationsDescription": "Number of iterative passes for the progressive meandering.
Each iteration applies small displacements that accumulate over the iterations into larger meanders.
Not enough iterations and the streams will be basic, more closely resembling their base bezier curves.
After a certain point the iterations becomes meaningless. You can meander the streams forever.",
"SinuosityAtSource": 1.225,
"SinuosityAtSourceDescription": "Sinuosity at the stream source.
Sinuosity scales the amplitude of the meandering sine-based curves per iteration.
The sinuosity lerps from the source to the anchor based on the distance along the stream.
Super volatile value, completely changes how meandering works with even a tiny change.",
"SinuosityAtAnchor": 1.225,
"SinuosityAtAnchorDescription": "Sinuosity at the anchor point.
Streams longer than anchor length continue extrapolating linearly.
1.0 means a straight line. 1.5+ gives massive meandering.
The sinuosity lerps from the source to the anchor based on the distance along the stream.
Super volatile value, completely changes how meandering works with even a tiny change.",
"SinuosityScalingPower": 1.0,
"SinuosityScalingPowerDescription": "Power curve applied to to the sinuosity as it goes from source to anchor.",
"WavelengthMultiplierAtSource": 6.6,
"WavelengthMultiplierAtSourceDescription": "Wavelength multiplier at the stream source (thin end).
The meander wavelength (meander length down the stream) at each point is the streambed width at that point multiplied by this value.
Higher wavelength multiplier means longer, more gradual meanders.
Lower wavelength multiplier means tighter, more frequent bends.
You can use UseConstantBeltWidthRatio (on by default) instead of this for simpler but less fine tuned meander wavelengths.",
"WavelengthMultiplierAtAnchor": 1.39,
"WavelengthMultiplierAtAnchorDescription": "Wavelength multiplier at the anchor point.
Streams longer than anchor length continue growing the meander wavelength linearly.
The meander wavelength (meander length down the stream) at each point is the streambed width at that point multiplied by this value.
Higher wavelength multiplier means longer, more gradual meanders.
Lower wavelength multiplier means tighter, more frequent bends.
You can use UseConstantBeltWidthRatio (on by default) instead of this for simpler but less fine tuned meander wavelengths.",
"WavelengthScalingPower": 1.0,
"WavelengthScalingPowerDescription": "Power curve applied to the wavelength scaling from source to anchor.",
"UseConstantBeltWidthRatio": true,
"UseConstantBeltWidthRatioDescription": "When true, automatically calculates wavelength multipliers to maintain a constant meander belt width to stream width ratio along all positions in the river.
The ratio is set by BeltWidthToStreamWidthRatio.
When false, the meandering uses the manually set WavelengthMultiplierAtSource and WavelengthMultiplierAtAnchor values instead.",
"BeltWidthToStreamWidthRatio": 3.0,
"BeltWidthToStreamWidthRatioDescription": "Target ratio of meander belt width to stream bed width. Only used when UseConstantBeltWidthRatio is true.
The wavelength multipliers are automatically calculated from this ratio and the sinuosity values.",
"CurvatureDisplacementMultipiler": 1.0,
"CurvatureDisplacementMultipilerDescription": "Higher means stronger growth of the existing bends.",
"MeanderFading": {
"SourceDistanceAtAnchor": 250.0,
"SourceDistanceAtAnchorDescription": "Distance from the stream source (in blocks) when the stream is at the anchor's stream length, over which to fade meandering back to the original path.
This distance scales with stream length: short streams have proportionally shorter fade distances, long streams have proportionally longer fade distances.
Basically, its how big the fadeout of meandering is near the stream source.",
"SourceExponent": 0.8,
"SourceExponentDescription": "Power curve exponent for source fade transition.
This controls how quickly the meandering fades into the straight path near the stream source.",
"MouthDistanceAtAnchor": 250.0,
"MouthDistanceAtAnchorDescription": "Distance from the stream drain/connection (in blocks) when the stream is at the anchor's stream length, over which to fade meandering back to a straight connection.
This distance scales with stream length: short streams have proportionally shorter fade distances, long streams have proportionally longer fade distances.
Basically, its how big the fadeout of meandering is near the stream mouth.",
"MouthExponent": 0.8,
"MouthExponentDescription": "Power curve exponent for mouth fade transition.
This controls how quickly the meandering fades into the straight connection to the drain/main stream."
},
"MeanderFadingDescription": "Configuration for fading out meandering into a smooth path at the stream source and mouth, as braiding at the ends of the stream gives low quality results.",
"CurvePointSmoothing": {
"WindowRadius": 8,
"WindowRadiusDescription": "Number of neighboring points on each side to include in smoothing window.
Controls spatial extent of smoothing effect. Applied per iteration.
1 gives a 3-point window (current + 2 neighbors), 2 gives a 5-point window, 3 gives a 7-point window.",
"Strength": 0.8,
"StrengthDescription": "Controls the intensity of the smoothing within the smoothing window.
0.0 to 1.0 is no smoothing to full smoothing, and 1.0+ is even more smoothing.
Adjust together with WindowRadius."
},
"CurvePointSmoothingDescription": "Configuration for smoothing out the stream path (the curve points) inbetween the iterations of meandering.",
"SteepTerrainStraightening": {
"BlendStrength": 0.5,
"BlendStrengthDescription": "Maximum strength of blending the meandered path back to original bezier curve path in and around steep terrain.
0 means no blending (full meandering everywhere). 1 means a hard switch to the bezier curve when the path gets to an area with the max steepness.
This prevents streams from meandering the path into nearby cliffs and hills, and keeps the stream path clean on mountains.
Use with HeightThreshold to define the relationship between terrain height and blend strength",
"HeightThreshold": 30.0,
"HeightThresholdDescription": "Height difference (in blocks) at which steep terrain blending reaches full strength.
The blending lerps from 0 blending at 0 height difference to the full blending strength (BlendStrength) at this configured threshold.
This prevents streams from meandering the path into nearby cliffs and hills, and keeps the stream path clean on mountains.
Use with BlendStrength to define the relationship between terrain height and blend strength",
"BlendPower": 2.0,
"BlendPowerDescription": "Power curve exponent for steep terrain blending. Controls how quickly blending ramps up as the nearby terrain approaches the HeightThreshold.",
"SearchRadius": 1,
"SearchRadiusDescription": "Manhattan distance radius (in chunks) for searching neighboring terrain when calculating max height difference.
0 means only use the current chunk. 1 means include immediate neighbors. 2+ means a larger search area.
A larger radius catches steep/rough terrain that is further from the stream path."
},
"SteepTerrainStraighteningDescription": "Configuration for straightening streams around steep terrain to prevent meandering into cliffs and hills, and to keep mountain streams clean.",
"OxbowCutoff": {
"ProximityThreshold": 1.75,
"ProximityThresholdDescription": "Minimum distance between meander curves as fraction of the local meander's amplitude.
The cutoff distance scales with the stream width, so theres small meanders at the source, large at the mouth.",
"MinWavelengthArcLengthFraction": 0.6,
"MinWavelengthArcLengthFractionDescription": "Minimum arc length gap between segments of the stream path, as a fraction of the local wavelength.
Only segment pairs separated by at least this fraction of the wavelength are checked for oxbow cutoffs.
This prevents cutting normal stream curving, so only true oxbows (where the stream loops back on itself) are cut.
0.5 is half a wavelength, 0.75 is three-quarters. Higher values can cut the curve too early, straightening it out.",
"MaxCutAttempts": 100,
"MaxCutAttemptsDescription": "Maximum attempts to cut oxbows per iteration."
},
"OxbowCutoffDescription": "Configuration for cutting off a stream as it intersects with itself via meandering, creating an oxbow lake on braided rivers."
}