geodalib / core/src / queenWeights
Function: queenWeights()
queenWeights(
geometries,useCentroids?,precisionThreshold?,orderOfContiguity?,includeLowerOrder?):Promise<WeightsMeta>
Defined in: core/src/weights/contiguity-neighbors.ts:208
Description
Create Queen contiguity weights for GeoJSON features.
Queen contiguity defines neighbors as spatial units that share either:
- A common edge (border)
- A common vertex (corner)
This is in contrast to Rook contiguity, which only considers shared edges.
Parameters
geometries
The geometries used to create the queen contiguity weights. See SpatialGeometry for more information.
useCentroids?
boolean = false
If true, uses geometry centroids for calculations
precisionThreshold?
number = 0.0
Distance threshold for determining neighbors. Useful when geometries don't perfectly align
orderOfContiguity?
number = 1
Number of steps to consider for neighbor relationships. 1 means immediate neighbors only
includeLowerOrder?
boolean = false
If true, includes all neighbors from order 1 up to the specified order
Returns
Promise<WeightsMeta>
Spatial weights metadata including neighbor relationships