org.locationtech.jts.geom.Geometry.getFactory()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中org.locationtech.jts.geom.Geometry.getFactory()方法的一些代码示例，展示了Geometry.getFactory()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Geometry.getFactory()方法的具体详情如下：
包路径：org.locationtech.jts.geom.Geometry
类名称：Geometry
方法名：getFactory

Geometry.getFactory介绍

[英]Gets the factory which contains the context in which this geometry was created.
[中]获取包含创建此几何体的上下文的工厂。

代码示例

代码示例来源：origin: geotools/geotools

  1. public GeometryFactory getFactory() {
  2.   return geometry.getFactory();
  3. }

代码示例来源：origin: geotools/geotools

  1. private GeometryCollection wrap(Geometry geometry) {
  2.     if (geometry instanceof Point) {
  3.       return geometry.getFactory().createMultiPoint(new Point[] {(Point) geometry});
  4.     } else if (geometry instanceof LineString) {
  5.       return geometry.getFactory()
  6.           .createMultiLineString(new LineString[] {(LineString) geometry});
  7.     } else if (geometry instanceof Polygon) {
  8.       return geometry.getFactory().createMultiPolygon(new Polygon[] {(Polygon) geometry});
  9.     }
  11.     throw new IllegalArgumentException("Unable to create multi geometry from " + geometry);
  12.   }
  13. }

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Tests if a specified {@link Point2D}is inside the boundary of the <code>Shape</code>.
  3.  *
  4.  * @param p a specified <code>Point2D</code>
  5.  * @return <code>true</code> if the specified <code>Point2D</code> is inside the boundary of the
  6.  *     <code>Shape</code>; <code>false</code> otherwise.
  7.  */
  8. public boolean contains(Point2D p) {
  9.   Coordinate coord = new Coordinate(p.getX(), p.getY());
  10.   Geometry point = geometry.getFactory().createPoint(coord);
  11.   return geometry.contains(point);
  12. }

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Tests if a specified {@link Point2D} is inside the boundary of the <code>Shape</code>.
  3.  *
  4.  * @param p a specified <code>Point2D</code>
  5.  * @return <code>true</code> if the specified <code>Point2D</code> is inside the boundary of the
  6.  *     <code>Shape</code>; <code>false</code> otherwise.
  7.  */
  8. public boolean contains(Point2D p) {
  9.   Coordinate coord = new Coordinate(p.getX(), p.getY());
  10.   Geometry point = geometry.getFactory().createPoint(coord);
  11.   return geometry.contains(point);
  12. }

代码示例来源：origin: geotools/geotools

  1. public static Geometry octagonalEnvelope(Geometry arg0) {
  2.   if (arg0 == null) return null;
  3.   OctagonalEnvelope env = new OctagonalEnvelope(arg0);
  4.   return env.toGeometry(arg0.getFactory());
  5. }

代码示例来源：origin: geotools/geotools

  1. private Geometry adaptGeometry(final Geometry value, Class<? extends Geometry> targetType) {
  2.   final Class<? extends Geometry> currentClass = value.getClass();
  3.   final GeometryFactory factory = value.getFactory();
  4.   Geometry adapted;
  5.   if (MultiPoint.class == targetType && Point.class == currentClass) {
  6.     adapted = factory.createMultiPoint(value.getCoordinates());
  7.   } else if (MultiLineString.class == targetType && LineString.class == currentClass) {
  8.     adapted = factory.createMultiLineString(new LineString[] {(LineString) value});
  9.   } else if (MultiPolygon.class == targetType && Polygon.class == currentClass) {
  10.     adapted = factory.createMultiPolygon(new Polygon[] {(Polygon) value});
  11.   } else {
  12.     throw new IllegalArgumentException(
  13.         "Don't know how to adapt "
  14.             + currentClass.getName()
  15.             + " to "
  16.             + targetType.getName());
  17.   }
  18.   return adapted;
  19. }

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Return L as defined by SDO_GTYPE (either 3,4 or 0).
  3.  *
  4.  * <p>L represents support for LRS (Liniar Referencing System?). JTS Geometry objects do not
  5.  * support LRS so this will be 0.
  6.  *
  7.  * <p>Subclasses may override as required.
  8.  *
  9.  * @param geom
  10.  * @return <code>0</code>
  11.  */
  12. public static int L(Geometry geom) {
  13.   CoordinateSequenceFactory f = geom.getFactory().getCoordinateSequenceFactory();
  14.   if (f instanceof CoordinateAccessFactory) {
  15.     return ((CoordinateAccessFactory) f).getDimension();
  16.   } else {
  17.     return 0;
  18.   }
  19. }

代码示例来源：origin: geotools/geotools

  1. @Override
  2. protected void visitLiteralGeometry(Literal expression) throws IOException {
  3.   Geometry g = (Geometry) evaluateLiteral(expression, Geometry.class);
  4.   if (g instanceof LinearRing) {
  5.     // WKT does not support linear rings
  6.     g = g.getFactory().createLineString(((LinearRing) g).getCoordinateSequence());
  7.   }
  8.   out.write("ST_GeomFromText('" + g.toText() + "', " + currentSRID + ")");
  9. }

代码示例来源：origin: geotools/geotools

  1. @Override
  2. protected void visitLiteralGeometry(Literal expression) throws IOException {
  3.   Geometry g = (Geometry) evaluateLiteral(expression, Geometry.class);
  4.   if (g instanceof LinearRing) {
  5.     // WKT does not support linear rings
  6.     g = g.getFactory().createLineString(((LinearRing) g).getCoordinateSequence());
  7.   }
  8.   out.write("geometry::STGeomFromText('" + g.toText() + "', " + currentSRID + ")");
  9. }

代码示例来源：origin: geotools/geotools

  1. @Override
  2. protected void visitLiteralGeometry(Literal expression) throws IOException {
  3.   Geometry g = (Geometry) evaluateLiteral(expression, Geometry.class);
  4.   if (g instanceof LinearRing) {
  5.     // WKT does not support linear rings
  6.     g = g.getFactory().createLineString(((LinearRing) g).getCoordinateSequence());
  7.   }
  8.   out.write("GeomFromText('" + g.toText() + "', " + currentSRID + ")");
  9. }

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Tests if the specified coordinates are inside the boundary of the <code>Shape</code>.
  3.  *
  4.  * @param x the specified coordinates, x value
  5.  * @param y the specified coordinates, y value
  6.  * @return <code>true</code> if the specified coordinates are inside the <code>Shape</code>
  7.  *     boundary; <code>false</code> otherwise.
  8.  */
  9. public boolean contains(double x, double y) {
  10.   Coordinate coord = new Coordinate(x, y);
  11.   Geometry point = geometry.getFactory().createPoint(coord);
  12.   return geometry.contains(point);
  13. }

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Tests if the specified coordinates are inside the boundary of the <code>Shape</code>.
  3.  *
  4.  * @param x the specified coordinates, x value
  5.  * @param y the specified coordinates, y value
  6.  * @return <code>true</code> if the specified coordinates are inside the <code>Shape</code>
  7.  *     boundary; <code>false</code> otherwise.
  8.  */
  9. public boolean contains(double x, double y) {
  10.   Coordinate coord = new Coordinate(x, y);
  11.   Geometry point = geometry.getFactory().createPoint(coord);
  12.   return geometry.contains(point);
  13. }

代码示例来源：origin: geotools/geotools

  1. @Override
  2. public void setGeometryValue(
  3.     Geometry g, int dimension, int srid, Class binding, PreparedStatement ps, int column)
  4.     throws SQLException {
  5.   if (g != null && !g.isEmpty()) {
  6.     if (g instanceof LinearRing) {
  7.       // postgis does not handle linear rings, convert to just a line string
  8.       g = g.getFactory().createLineString(((LinearRing) g).getCoordinateSequence());
  9.     }
  10.     byte[] bytes = new WKBWriter(dimension).write(g);
  11.     ps.setBytes(column, bytes);
  12.   } else {
  13.     ps.setNull(column, Types.OTHER, "Geometry");
  14.   }
  15. }

代码示例来源：origin: geotools/geotools

  1. @Override
  2. public void encodeGeometryValue(Geometry value, int dimension, int srid, StringBuffer sql)
  3.     throws IOException {
  4.   if (value == null || value.isEmpty()) {
  5.     sql.append("NULL");
  6.   } else {
  7.     if (value instanceof LinearRing && !(value instanceof CurvedRing)) {
  8.       // postgis does not handle linear rings, convert to just a line string
  9.       value =
  10.           value.getFactory()
  11.               .createLineString(((LinearRing) value).getCoordinateSequence());
  12.     }
  13.     WKTWriter writer = new WKTWriter2(dimension);
  14.     String wkt = writer.write(value);
  15.     sql.append("ST_GeomFromText('" + wkt + "', " + srid + ")");
  16.   }
  17. }

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Creates a jts Geometry object representing a rectangle with the given parameters
  3.  *
  4.  * @param x left coordinate
  5.  * @param y bottom coordinate
  6.  * @param w width
  7.  * @param h height
  8.  * @return a rectangle with the specified position and size
  9.  */
  10. private Geometry createRectangle(double x, double y, double w, double h) {
  11.   Coordinate[] coords = {
  12.     new Coordinate(x, y), new Coordinate(x, y + h),
  13.     new Coordinate(x + w, y + h), new Coordinate(x + w, y),
  14.     new Coordinate(x, y)
  15.   };
  16.   LinearRing lr = geometry.getFactory().createLinearRing(coords);
  17.   return geometry.getFactory().createPolygon(lr, null);
  18. }

代码示例来源：origin: geotools/geotools

  1. boolean hasSameValuesAndStructure(Geometry g1, Geometry g2) {
  2.   if (!g1.equalsExact(g2, ORD_TOLERANCE)) return false;
  3.   if (g1.getFactory() != g2.getFactory()) return false;
  4.   CoordinateSequence seq = CoordinateSequenceFinder.find(g1);
  5.   if (!CoordinateSequenceSchemaChecker.check(g2, seq.getClass(), seq.getDimension()))
  6.     return false;
  7.   return true;
  8. }

代码示例来源：origin: geotools/geotools

  1. /**
  2.    * Extracts a {@link CurvedGeometryFactory} from the provided geometry, either by just returning
  3.    * the one that is held by the geometry, if consistent with its tolerance, or by creating a new
  4.    * one
  5.    *
  6.    * @param curved
  7.    * @return
  8.    */
  9.   public static CurvedGeometryFactory getFactory(CurvedGeometry<?> curved) {
  10.     GeometryFactory factory = ((Geometry) curved).getFactory();
  11.     if (factory instanceof CurvedGeometryFactory) {
  12.       CurvedGeometryFactory cf = (CurvedGeometryFactory) factory;
  13.       if (cf.getTolerance() == curved.getTolerance()) {
  14.         return cf;
  15.       }
  16.     }
  17.     return new CurvedGeometryFactory(factory, curved.getTolerance());
  18.   }
  19. }

代码示例来源：origin: geotools/geotools

  1. public Object visit(Literal expression, Object extraData) {
  2.     if (!(expression.getValue() instanceof Geometry)) return super.visit(expression, extraData);
  4.     // check if reprojection is needed
  5.     Geometry geom = (Geometry) expression.getValue();
  6.     if (geom.getUserData() != null && geom.getUserData() instanceof CoordinateReferenceSystem)
  7.       return super.visit(expression, extraData);
  9.     // clone the geometry and assign the new crs
  10.     Geometry clone = geom.getFactory().createGeometry(geom);
  11.     clone.setUserData(defaultCrs);
  13.     // clone
  14.     return ff.literal(clone);
  15.   }
  16. }

代码示例来源：origin: geotools/geotools

  1. @DescribeProcess(
  2.   title = "Polygonize",
  3.   description =
  4.       "Creates a set of polygons from linestrings delineating them.  The linestrings must be correctly noded (i.e. touch only at endpoints)."
  5. )
  6. @DescribeResult(description = "The collection of created polygons")
  7. public static Geometry polygonize(
  8.     @DescribeParameter(name = "geom", description = "Linework to polygonize")
  9.         Geometry geom) {
  10.   @SuppressWarnings("rawtypes")
  11.   List lines = LineStringExtracter.getLines(geom);
  12.   Polygonizer polygonizer = new Polygonizer();
  13.   polygonizer.add(lines);
  14.   @SuppressWarnings("rawtypes")
  15.   Collection polys = polygonizer.getPolygons();
  16.   Polygon[] polyArray = GeometryFactory.toPolygonArray(polys);
  17.   return geom.getFactory().createGeometryCollection(polyArray);
  18. }

代码示例来源：origin: geotools/geotools

  1. public void testGeometryFactoryHint() throws Exception {
  2.   FilterFactory ff = dataStore.getFilterFactory();
  3.   PropertyIsEqualTo filter =
  4.       ff.equals(ff.property(aname("stringProperty")), ff.literal("one"));
  5.   Query query = new Query();
  6.   query.setFilter(filter);
  7.   // check we're respecting the geometry factory hint
  8.   GeometryFactory gf1 = new GeometryFactory();
  9.   query.setHints(new Hints(Hints.JTS_GEOMETRY_FACTORY, gf1));
  10.   SimpleFeature f1 = DataUtilities.first(featureSource.getFeatures(query));
  11.   assertSame(gf1, ((Geometry) f1.getDefaultGeometry()).getFactory());
  12.   // check we're respecting the geometry factory when changing it
  13.   GeometryFactory gf2 = new GeometryFactory();
  14.   query.setHints(new Hints(Hints.JTS_GEOMETRY_FACTORY, gf2));
  15.   SimpleFeature f2 = DataUtilities.first(featureSource.getFeatures(query));
  16.   assertSame(gf2, ((Geometry) f2.getDefaultGeometry()).getFactory());
  17. }

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