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Spatial DataBlade JAVA API v8.21 |
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public interface MultiSurface
A MultiSurface is a two-dimensional geometric collection whose elements are surfaces. The interiors of any two surfaces in a MultiSurface may not intersect. The boundaries of any two elements in a MultiSurface may intersect at most at a finite number of points.
MultiSurface is a non-instantiable class in this specification, it defines a set of methods for its subclasses and is included for reasons of extensibility. The instantiable subclass of MultiSurface is MultiPolygon, corresponding to a collection of Polygons.
GeometryCollection
,
Surface
Method Summary | |
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double |
area()
The area of this MultiSurface (the sum of the areas of all constituent surfaces), as measured in the coordinate system of this MultiSurface. |
Point |
centroid()
The mathematical centroid for this MultiSurface. |
double |
perimeter()
Computes the total perimeter of this surface collection, as measured in the coordinate system of this MultiSurface. |
Point |
pointOnSurface()
A Point guaranteed to be on this MultiSurface. |
Methods inherited from interface com.ibm.spatial.geom.GeometryCollection |
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geometryN, numGeometries |
Methods inherited from interface com.ibm.spatial.geom.Geometry |
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asBinary, asText, boundary, buffer, contains, convexHull, crosses, difference, dimension, disjoint, distance, envelope, envelopesIntersect, equals, extent, exterior, interior, intersection, intersects, is3D, isEmpty, isMeasured, isSimple, isValid, locateAlong, locateBetween, numPoints, overlaps, srid, symmetricDiff, touches, union, within |
Method Detail |
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double area()
Point centroid() throws SpatialException
SpatialException
- if an error occurs during the calculation
of the point coordinatesPoint pointOnSurface() throws SpatialException
SpatialException
- if an error occurs during the calculation
of the point coordinatesdouble perimeter()
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Spatial DataBlade JAVA API v8.21 |
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