Schema Central > niem40 > geometryPrimitives.xsd > gml:AbstractSurfacePatch
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A surface patch defines a homogenuous portion of a surface. 
The AbstractSurfacePatch element is the abstract head of the substituition group for all surface patch elements describing a continuous portion of a surface.
All surface patches shall have an attribute interpolation (declared in the types derived from gml:AbstractSurfacePatchType) specifying the interpolation mechanism used for the patch using gml:SurfaceInterpolationType.

Element information

Type: gml:AbstractSurfacePatchType

Properties: Global, Qualified, Abstract




Used in

Substitution hierarchy