Package com.vividsolutions.jts.util

Examples of com.vividsolutions.jts.util.GeometricShapeFactory

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      //  http://docs.codehaus.org/display/GEOTDOC/01+How+to+Create+a+Geometry#01HowtoCreateaGeometry-CreatingaCircle
      //TODO This should ideally have a geodetic version
      Circle circle = (Circle)shape;
      if (circle.getBoundingBox().getCrossesDateLine())
        throw new IllegalArgumentException("Doesn't support dateline cross yet: "+circle);//TODO
      GeometricShapeFactory gsf = new GeometricShapeFactory(geometryFactory);
      gsf.setSize(circle.getBoundingBox().getWidth());
      gsf.setNumPoints(4*25);//multiple of 4 is best
      gsf.setCentre(new Coordinate(circle.getCenter().getX(), circle.getCenter().getY()));
      return gsf.createCircle();
    }
    //TODO add BufferedLineString
    throw new InvalidShapeException("can't make Geometry from: " + shape);
  }
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  }

  Geometry randomGeometry(int points) {
    //a circle
    JtsSpatialContext ctx = (JtsSpatialContext)super.ctx;
    GeometricShapeFactory gsf = new GeometricShapeFactory(ctx.getGeometryFactory());
    gsf.setCentre(new Coordinate(0, 0));
    gsf.setSize(180);//diameter
    gsf.setNumPoints(points);
    return gsf.createCircle();
  }
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  }

 
  public static Geometry supercircle(Geometry g, int nPts, double pow)
  {
    GeometricShapeFactory gsf = new GeometricShapeFactory();
    gsf.setNumPoints(nPts);
    if (g != null)
      gsf.setEnvelope(g.getEnvelopeInternal());
    else
      gsf.setEnvelope(new Envelope(0, 1, 0, 1));
    return gsf.createSupercircle(pow);
  }
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    return gsf.createSupercircle(pow);
  }
 
  public static Geometry ellipse(Geometry g, int nPts)
  {
    GeometricShapeFactory gsf = new GeometricShapeFactory();
    gsf.setNumPoints(nPts);
    if (g != null)
      gsf.setEnvelope(g.getEnvelopeInternal());
    else
      gsf.setEnvelope(new Envelope(0, 1, 0, 1));
    return gsf.createCircle();
  }
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      gsf.setEnvelope(new Envelope(0, 1, 0, 1));
    return gsf.createCircle();
  }
  public static Geometry ellipseRotate(Geometry g, int nPts, double ang)
  {
    GeometricShapeFactory gsf = new GeometricShapeFactory();
    gsf.setNumPoints(nPts);
    gsf.setRotation(ang);
    if (g != null)
      gsf.setEnvelope(g.getEnvelopeInternal());
    else
      gsf.setEnvelope(new Envelope(0, 1, 0, 1));
    return gsf.createCircle();
  }
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    return geoms;
  }
 
  Geometry createPoly(Coordinate base, double size, int nPts)
  {
    GeometricShapeFactory gsf = new GeometricShapeFactory(factory);
    gsf.setCentre(base);
    gsf.setSize(size);
    gsf.setNumPoints(nPts);
   
    Geometry poly = gsf.createCircle();
//    Geometry poly = gsf.createRectangle();
   
//    System.out.println(circle);
    return poly;
  }
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      throws Exception
  {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);

    GeometricShapeFactory gsf = new GeometricShapeFactory(fact);
    Geometry g = gsf.createCircle();
    oos.writeObject(g);
  }
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    }
    return GeometryFactory.toGeometryArray(rectList);
  }
 
  Geometry createRectangle(Coordinate origin, double size) {
    GeometricShapeFactory gsf = new GeometricShapeFactory();
    gsf.setCentre(origin);
    gsf.setSize(size);
    gsf.setNumPoints(4);
    Geometry g = gsf.createRectangle();
    // Polygon gRect = gsf.createRectangle();
    // Geometry g = gRect.getExteriorRing();
    return g;
  }
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    }
  }
 
  Geometry[] createCircles(int nPts)
  {
    GeometricShapeFactory gsf = new GeometricShapeFactory();
    gsf.setCentre(new Coordinate(0, 0));
    gsf.setSize(100);
    gsf.setNumPoints(nPts);
   
    Polygon gRect = gsf.createCircle();
   
    gsf.setCentre(new Coordinate(0, separationDist));

    Polygon gRect2 = gsf.createCircle();
   
    return new Geometry[] { gRect, gRect2 };
   
  }
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  {
    this.testDim = testDim;
  }
 
  public Geometry createCircle(int nPts) {
    GeometricShapeFactory gsf = new GeometricShapeFactory();
    gsf.setCentre(origin);
    gsf.setSize(size);
    gsf.setNumPoints(nPts);
    Geometry circle = gsf.createCircle();
    // Polygon gRect = gsf.createRectangle();
    // Geometry g = gRect.getExteriorRing();
    return circle;
  }
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Related Classes of com.vividsolutions.jts.util.GeometricShapeFactory

  • com.spatial4j.core.context.jts.JtsSpatialContext
  • com.spatial4j.core.io.JtsBinaryCodecTest
  • com.vividsolutions.jts.geom.util.AffineTransformation
  • com.vividsolutions.jtstest.function.CreateShapeFunctions
  • test.jts.junit.geom.prep.PreparedPolygonIntersectsStressTest
  • test.jts.junit.geom.prep.StressTestHarness
  • test.jts.junit.io.SerializabilityTest
  • test.jts.perf.geom.prep.PreparedPolygonIntersectsPerfTest
  • test.jts.perf.geom.prep.TestDataBuilder
  • test.jts.perf.operation.distance.TestPerfDistanceGeomPair
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