Spatial Operation Functions

GM_SpatialCenter - Create a center point for each feature or collection of features

GM_SpatialCentroid - Create a center point for each feature or collection of features

GM_SpatialCircle - Create a circle around each feature or collection of features.

GM_SpatialConcaveHull - Create a concave hull around each feature or collection of features

GM_SpatialConvexHull - Create a convex hull around each feature or collection of features

GM_SpatialBuffer - Create a buffer polygon around each feature or collection of features

GM_SpatialDissolve - Single-layer dissolve operation

GM_SpatialIntersects - Performs the Intersects spatial predicate

GM_SpatialMBR - Create an MBR for each feature or collection of features

GM_SpatialRelate - Two-layer relate predicate

GM_SpatialTransform - General spatial transform function

GM_SpatialWithin - Two-layer within predicate

GM_DistanceInit - GM_Distance_t initialization

GM_SpatialOpsParameterInit - Initializes a GM_SpatialOps_Params_t struct members to their default values.

GM_SpatialOperation - General spatial operation

GM_SpatialUnion - Two-layer union operation

GM_SpatialUnionSingle - Single-layer union operation

GM_SpatialIntersection - Two-layer intersection operation

GM_SpatialDifference - Two-layer difference operation

GM_SpatialSymmetricDifference - Two-layer symmetric difference operation

GM_SpatialPredicate - General predicate function

GM_SpatialIntersects - Two-layer intersects predicate

GM_SpatialOverlaps - Two-layer overlaps predicate

GM_SpatialTouches - Two-layer touches predicate

GM_SpatialContains - Two-layer contains predicate

GM_SpatialEquals - Two-layer equals predicate

GM_SpatialWithin - Two-layer within predicate

GM_SpatialDisjoint - Two-layer disjoint predicate

GM_SpatialCrosses - Two-layer crosses predicate

GM_SpatialCovers - Two-layer covers predicate

GM_SpatialCoveredBy - Two-layer covered-by predicate

GM_RunSpatialScript - Run GM spatial script