com.esri.core.geometry.Point.getX()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 其他  
字(9.2k)|赞(0)|评价(0)|浏览(168)

本文整理了Java中com.esri.core.geometry.Point.getX()方法的一些代码示例，展示了Point.getX()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。Point.getX()方法的具体详情如下：
包路径：com.esri.core.geometry.Point
类名称：Point
方法名：getX

Point.getX介绍

[英]Returns the X coordinate of the point.
[中]返回点的X坐标。

代码示例

代码示例来源：origin: prestodb/presto

  1. private static boolean withinDistance(GreatCircleDistanceToPoint distanceFunction, double maxDistance, Point point)
  2. {
  3.   return distanceFunction.distance(point.getY(), point.getX()) <= maxDistance;
  4. }

代码示例来源：origin: prestodb/presto

  1. private static Point getPolygonSansHolesCentroid(Polygon polygon)
  2. {
  3.   int pointCount = polygon.getPointCount();
  4.   double xSum = 0;
  5.   double ySum = 0;
  6.   double signedArea = 0;
  7.   for (int i = 0; i < pointCount; i++) {
  8.     Point current = polygon.getPoint(i);
  9.     Point next = polygon.getPoint((i + 1) % polygon.getPointCount());
  10.     double ladder = current.getX() * next.getY() - next.getX() * current.getY();
  11.     xSum += (current.getX() + next.getX()) * ladder;
  12.     ySum += (current.getY() + next.getY()) * ladder;
  13.     signedArea += ladder / 2;
  14.   }
  15.   return new Point(xSum / (signedArea * 6), ySum / (signedArea * 6));
  16. }

代码示例来源：origin: prestodb/presto

  1. private static Point computeLineCentroid(Polyline polyline)
  2. {
  3.   double xSum = 0;
  4.   double ySum = 0;
  5.   double weightSum = 0;
  6.   for (int i = 0; i < polyline.getPathCount(); i++) {
  7.     Point startPoint = polyline.getPoint(polyline.getPathStart(i));
  8.     Point endPoint = polyline.getPoint(polyline.getPathEnd(i) - 1);
  9.     double dx = endPoint.getX() - startPoint.getX();
  10.     double dy = endPoint.getY() - startPoint.getY();
  11.     double length = sqrt(dx * dx + dy * dy);
  12.     weightSum += length;
  13.     xSum += (startPoint.getX() + endPoint.getX()) * length / 2;
  14.     ySum += (startPoint.getY() + endPoint.getY()) * length / 2;
  15.   }
  16.   return new Point(xSum / weightSum, ySum / weightSum);
  17. }

代码示例来源：origin: prestodb/presto

  1. private static Envelope tileToEnvelope(BingTile tile)
  2. {
  3.   Point upperLeftCorner = tileXYToLatitudeLongitude(tile.getX(), tile.getY(), tile.getZoomLevel());
  4.   Point lowerRightCorner = tileXYToLatitudeLongitude(tile.getX() + 1, tile.getY() + 1, tile.getZoomLevel());
  5.   return new Envelope(upperLeftCorner.getX(), lowerRightCorner.getY(), lowerRightCorner.getX(), upperLeftCorner.getY());
  6. }

代码示例来源：origin: prestodb/presto

  1. private static Point computePointsCentroid(MultiVertexGeometry multiVertex)
  2. {
  3.   double xSum = 0;
  4.   double ySum = 0;
  5.   for (int i = 0; i < multiVertex.getPointCount(); i++) {
  6.     Point point = multiVertex.getPoint(i);
  7.     xSum += point.getX();
  8.     ySum += point.getY();
  9.   }
  10.   return new Point(xSum / multiVertex.getPointCount(), ySum / multiVertex.getPointCount());
  11. }

代码示例来源：origin: prestodb/presto

  1. @SqlNullable
  2. @Description("Returns the great-circle distance in meters between two SphericalGeography points.")
  3. @ScalarFunction("ST_Distance")
  4. @SqlType(DOUBLE)
  5. public static Double stSphericalDistance(@SqlType(SPHERICAL_GEOGRAPHY_TYPE_NAME) Slice left, @SqlType(SPHERICAL_GEOGRAPHY_TYPE_NAME) Slice right)
  6. {
  7.   OGCGeometry leftGeometry = deserialize(left);
  8.   OGCGeometry rightGeometry = deserialize(right);
  9.   if (leftGeometry.isEmpty() || rightGeometry.isEmpty()) {
  10.     return null;
  11.   }
  12.   // TODO: support more SphericalGeography types.
  13.   validateSphericalType("ST_Distance", leftGeometry, EnumSet.of(POINT));
  14.   validateSphericalType("ST_Distance", rightGeometry, EnumSet.of(POINT));
  15.   Point leftPoint = (Point) leftGeometry.getEsriGeometry();
  16.   Point rightPoint = (Point) rightGeometry.getEsriGeometry();
  17.   // greatCircleDistance returns distance in KM.
  18.   return greatCircleDistance(leftPoint.getY(), leftPoint.getX(), rightPoint.getY(), rightPoint.getX()) * 1000;
  19. }

代码示例来源：origin: prestodb/presto

  1. Point point1 = multiVertexGeometry.getPoint(result.m_vertexIndex1);
  2. Point point2 = multiVertexGeometry.getPoint(result.m_vertexIndex2);
  3. return utf8Slice(format("%s at or near (%s %s) and (%s %s)", reasonText, point1.getX(), point1.getY(), point2.getX(), point2.getY()));
  4. return utf8Slice(format("%s at or near (%s %s)", reasonText, point.getX(), point.getY()));

代码示例来源：origin: prestodb/presto

  1. private static Point computeMultiPolygonCentroid(OGCMultiPolygon multiPolygon)
  2. {
  3.   double xSum = 0;
  4.   double ySum = 0;
  5.   double weightSum = 0;
  6.   for (int i = 0; i < multiPolygon.numGeometries(); i++) {
  7.     Point centroid = computePolygonCentroid((Polygon) multiPolygon.geometryN(i).getEsriGeometry());
  8.     Polygon polygon = (Polygon) multiPolygon.geometryN(i).getEsriGeometry();
  9.     double weight = polygon.calculateArea2D();
  10.     weightSum += weight;
  11.     xSum += centroid.getX() * weight;
  12.     ySum += centroid.getY() * weight;
  13.   }
  14.   return new Point(xSum / weightSum, ySum / weightSum);
  15. }

代码示例来源：origin: prestodb/presto

  1. private static Point computePolygonCentroid(Polygon polygon)
  2. {
  3.   int pathCount = polygon.getPathCount();
  4.   if (pathCount == 1) {
  5.     return getPolygonSansHolesCentroid(polygon);
  6.   }
  7.   double xSum = 0;
  8.   double ySum = 0;
  9.   double areaSum = 0;
  10.   for (int i = 0; i < pathCount; i++) {
  11.     int startIndex = polygon.getPathStart(i);
  12.     int endIndex = polygon.getPathEnd(i);
  13.     Polygon sansHoles = getSubPolygon(polygon, startIndex, endIndex);
  14.     Point centroid = getPolygonSansHolesCentroid(sansHoles);
  15.     double area = sansHoles.calculateArea2D();
  16.     xSum += centroid.getX() * area;
  17.     ySum += centroid.getY() * area;
  18.     areaSum += area;
  19.   }
  20.   return new Point(xSum / areaSum, ySum / areaSum);
  21. }

代码示例来源：origin: prestodb/presto

  1. private static BingTile getTileCoveringLowerRightCorner(Envelope envelope, int zoomLevel)
  2. {
  3.   BingTile tile = latitudeLongitudeToTile(envelope.getYMin(), envelope.getXMax(), zoomLevel);
  4.   // If the tile covering the lower right corner of the envelope overlaps the envelope only
  5.   // at the border then return a tile shifted to the left and/or top
  6.   int deltaX = 0;
  7.   int deltaY = 0;
  8.   Point upperLeftCorner = tileXYToLatitudeLongitude(tile.getX(), tile.getY(), tile.getZoomLevel());
  9.   if (upperLeftCorner.getX() == envelope.getXMax()) {
  10.     deltaX = -1;
  11.   }
  12.   if (upperLeftCorner.getY() == envelope.getYMin()) {
  13.     deltaY = -1;
  14.   }
  15.   if (deltaX != 0 || deltaY != 0) {
  16.     return BingTile.fromCoordinates(tile.getX() + deltaX, tile.getY() + deltaY, tile.getZoomLevel());
  17.   }
  18.   return tile;
  19. }

代码示例来源：origin: prestodb/presto

  1. private static void writePoint(DynamicSliceOutput output, OGCGeometry geometry)
  2. {
  3.   Geometry esriGeometry = geometry.getEsriGeometry();
  4.   verify(esriGeometry instanceof Point, "geometry is expected to be an instance of Point");
  5.   Point point = (Point) esriGeometry;
  6.   verify(!point.hasAttribute(VertexDescription.Semantics.Z) &&
  7.           !point.hasAttribute(VertexDescription.Semantics.M) &&
  8.           !point.hasAttribute(VertexDescription.Semantics.ID),
  9.       "Only 2D points with no ID nor M attribute are supported");
  10.   output.appendByte(GeometrySerializationType.POINT.code());
  11.   if (!point.isEmpty()) {
  12.     output.appendDouble(point.getX());
  13.     output.appendDouble(point.getY());
  14.   }
  15.   else {
  16.     output.appendDouble(NaN);
  17.     output.appendDouble(NaN);
  18.   }
  19. }

代码示例来源：origin: apache/drill

  1. for (int i = 0; i < vertexGeom.getPointCount(); i++) {
  2.  com.esri.core.geometry.Point point = vertexGeom.getPoint(i);
  3.  result = transform.transform(new org.osgeo.proj4j.ProjCoordinate(point.getX(), point.getY()), result);
  4.  point.setXY(result.x, result.y);
  5.  vertexGeom.setPoint(i, point);

代码示例来源：origin: Esri/geometry-api-java

  1. public void centerAt(Point c) {
  2.   double cx = (xmax - xmin) / 2d;
  3.   double cy = (ymax - ymin) / 2d;
  4.   xmin = c.getX() - cx;
  5.   xmax = c.getX() + cx;
  6.   ymin = c.getY() - cy;
  7.   ymax = c.getY() + cy;
  8. }

代码示例来源：origin: bmwcarit/barefoot

  1. @Override
  2. public double intercept(Point a, Point b, Point c) {
  3.   if (a.getX() == b.getX() && a.getY() == b.getY()) {
  4.     return 0;
  5.   }
  6.   Intercept inter = new Intercept(Geodesic.WGS84);
  7.   GeodesicData ci =
  8.       inter.intercept(a.getY(), a.getX(), b.getY(), b.getX(), c.getY(), c.getX());
  9.   GeodesicData ai = Geodesic.WGS84.Inverse(a.getY(), a.getX(), ci.lat2, ci.lon2);
  10.   GeodesicData ab = Geodesic.WGS84.Inverse(a.getY(), a.getX(), b.getY(), b.getX());
  11.   return (Math.abs(ai.azi1 - ab.azi1) < 1) ? ai.s12 / ab.s12 : (-1) * ai.s12 / ab.s12;
  12. }

代码示例来源：origin: Esri/geometry-api-java

  1. static double geodesicDistanceOnWGS84Impl(Point ptFrom, Point ptTo) {
  2.   double a = 6378137.0; // radius of spheroid for WGS_1984
  3.   double e2 = 0.0066943799901413165; // ellipticity for WGS_1984
  4.   double rpu = Math.PI / 180.0;
  5.   PeDouble answer = new PeDouble();
  6.   GeoDist.geodesic_distance_ngs(a, e2, ptFrom.getX() * rpu,
  7.       ptFrom.getY() * rpu, ptTo.getX() * rpu, ptTo.getY()
  8.           * rpu, answer, null, null);
  9.   return answer.val;
  10. }

代码示例来源：origin: Esri/geometry-api-java

  1. static boolean non_empty_points_need_to_cluster(double tolerance, Point pt1, Point pt2)
  2. {
  3.  double tolerance_for_clustering = InternalUtils.adjust_tolerance_for_TE_clustering(tolerance);
  4.  return Clusterer.isClusterCandidate_(pt1.getX(), pt1.getY(), pt2.getX(), pt2.getY(), MathUtils.sqr(tolerance_for_clustering));
  5. }

代码示例来源：origin: bmwcarit/barefoot

  1. @Override
  2.   public Envelope2D envelope(Point c, double radius) {
  3.     Envelope2D env = new Envelope2D();
  5.     double ymax = Geodesic.WGS84.Direct(c.getY(), c.getX(), 0, radius).lat2;
  6.     double ymin = Geodesic.WGS84.Direct(c.getY(), c.getX(), -180, radius).lat2;
  7.     double xmax = Geodesic.WGS84.Direct(c.getY(), c.getX(), 90, radius).lon2;
  8.     double xmin = Geodesic.WGS84.Direct(c.getY(), c.getX(), -90, radius).lon2;
  10.     env.setCoords(xmin, ymin, xmax, ymax);
  12.     return env;
  13.   }
  14. }

代码示例来源：origin: com.esri.geometry/esri-geometry-api

  1. static boolean non_empty_points_need_to_cluster(double tolerance, Point pt1, Point pt2)
  2. {
  3.  double tolerance_for_clustering = InternalUtils.adjust_tolerance_for_TE_clustering(tolerance);
  4.  return Clusterer.isClusterCandidate_(pt1.getX(), pt1.getY(), pt2.getX(), pt2.getY(), MathUtils.sqr(tolerance_for_clustering));
  5. }

代码示例来源：origin: com.esri.geometry/esri-geometry-api

  1. /**
  2.  * Checks if this envelope contains (covers) the specified point.
  3.  * 
  4.  * @param p
  5.  *            The Point to be tested for coverage.
  6.  * @return TRUE if this envelope contains (covers) the specified point.
  7.  */
  8. public boolean contains(Point p) {
  9.   if (p.isEmpty())
  10.     return false;
  11.   return m_envelope.contains(p.getX(), p.getY());
  12. }

代码示例来源：origin: bmwcarit/barefoot

  1. @Override
  2. public Point interpolate(Point a, Point b, double f) {
  3.   GeodesicData inv = Geodesic.WGS84.Inverse(a.getY(), a.getX(), b.getY(), b.getX());
  4.   GeodesicData pos = Geodesic.WGS84.Line(inv.lat1, inv.lon1, inv.azi1).Position(inv.s12 * f);
  5.   return new Point(pos.lon2, pos.lat2);
  6. }

内容来源于网络，如有侵权，请联系作者删除！

Point

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多
    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com