rdf4j-postgis  Version 0.1.0.0
MinimumBoundingCircle Class Reference

Returns the minimum bounding circle around the given geometry. More...

Inheritance diagram for MinimumBoundingCircle:
Collaboration diagram for MinimumBoundingCircle:

Public Member Functions

String getURI ()
 
Value evaluate (ValueFactory valueFactory, Value... args) throws ValueExprEvaluationException
 

Protected Member Functions

Geometry operation (Geometry geom)
 

Detailed Description

Returns the minimum bounding circle around the given geometry.

Member Function Documentation

◆ evaluate()

Value evaluate ( ValueFactory  valueFactory,
Value...  args 
) throws ValueExprEvaluationException
inherited
16  {
17  if (args.length != 1) {
18  throw new ValueExprEvaluationException(getURI() + " requires exactly 1 argument, got " + args.length);
19  }
20 
21  LiteralType l=LiteralRegistry.getLiteral(((Literal)args[0]).getDatatype().toString());
22  if(l instanceof VectorLiteral) {
23  Geometry geom=((VectorLiteral)l).read(args[0].stringValue());
24  Geometry result = operation(geom);
25  return valueFactory.createLiteral(((VectorLiteral) l).unparse(result),((Literal)args[0]).getDatatype());
26  }
27  throw new ValueExprEvaluationException("Argument given is not a geometry literal");
28  }

References LiteralRegistry.getLiteral(), and GeometricUnaryFunction.operation().

Referenced by BoundaryTest.testBoundary(), BoundingDiagonalTest.testBoundingDiagonal(), CentroidTest.testCentroid(), StartPointTest.testCircularString(), CircumcentreTest.testCircumcentre1(), CollectionHomogenizeTest.testCollectionHomogenize(), FlipCoordinatesTest.testFlipCoordinates(), Force2DTest.testForce2D(), Force3DTest.testForce3D(), Force3DMTest.testForce3DM(), Force3DMTest.testForce3DM2(), Force4DTest.testForce4D(), ForceCollectionTest.testForceCollection(), ForceCollectionTest.testForceCollectionZ(), ForcePolygonCCWTest.testForcePolygonCCW(), ForcePolygonCWTest.testForcePolygonCW(), EndPointTest.testLineString2D(), StartPointTest.testLineString2D(), EndPointTest.testLineString3D(), StartPointTest.testLineString3D(), MinimumBoundingCircleCenterTest.testMinimumBoundingCircle(), MinimumBoundingCircleTest.testMinimumBoundingCircle(), MinimumClearanceLineTest.testMinimumClearanceLine(), MinimumDiameterLineTest.testMinimumDiameterLine(), MinimumRectangleTest.testMinimumRectangle(), MultiTest.testMulti2D(), MultiTest.testMulti3D(), SelfIntersectionsTest.testNoSelfIntersections(), EndPointTest.testPoint(), StartPointTest.testPoint(), PointsTest.testPoints(), PointsTest.testPoints3D(), ReverseTest.testReverse(), SelfIntersectionsTest.testSelfIntersections(), ShiftLongitudeTest.testShiftLongitude(), SimplifyPreserveTopologyTest.testSimplifyVW(), and TransScaleTest.testTransScale().

◆ getURI()

String getURI ( )
14  {
15  return POSTGIS.st_minimumBoundingCircle.stringValue();
16  }

References POSTGIS.st_minimumBoundingCircle.

◆ operation()

Geometry operation ( Geometry  geom)
protected

Reimplemented from GeometricUnaryFunction.

19  {
20  org.locationtech.jts.algorithm.MinimumBoundingCircle minCircle = new org.locationtech.jts.algorithm.MinimumBoundingCircle(geom);
21  return minCircle.getCircle();
22  }